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Overkalix-Svartbyn_A Weather Records (SWE00140692)

Record envelope, standing records and threshold days for Overkalix-Svartbyn_A (SWE00140692), Sweden, with 32 years of record.

Key Facts for Overkalix-Svartbyn_A

  • Overkalix-Svartbyn_A (SWE00140692) is a weather station in Sweden at 66.26 latitude and 22.85 longitude, 61 m (200 ft) above sea level.
  • The station reports from 1995 to 2026, 32 years of record.
  • 1,464 records set at Overkalix-Svartbyn_A still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Overkalix-Svartbyn_A tied a daily record high minimum temperature of 14.4 C (57.9 F) on 31 August 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

  • Location: Sweden, 66.26 latitude, 22.85 longitude.
  • Elevation: 61 m (200 ft).
  • Period of record: 1995 to 2026, 32 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

14 days at or beyond a record
Daily record high and record low at Overkalix-Svartbyn_A, with 2026 drawn through them The band shows the record high and record low for each calendar day at Overkalix-Svartbyn_A. The lines show the 2026 daily maximum and minimum. 14 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -60-40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Overkalix-Svartbyn_A. The lines show the 2026 daily maximum and minimum. 14 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Overkalix-Svartbyn_A, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan8.6 C (47.5 F)-46.0 C (-50.8 F)0.4 C (32.7 F)-36.3 C (-33.3 F)
Feb9.0 C (48.2 F)-38.5 C (-37.3 F)-2.7 C (27.1 F)-33.2 C (-27.8 F)
Mar11.8 C (53.2 F)-32.5 C (-26.5 F)10.3 C (50.5 F)-19.0 C (-2.2 F)
Apr19.6 C (67.3 F)-23.8 C (-10.8 F)16.3 C (61.3 F)-7.4 C (18.7 F)
May29.5 C (85.1 F)-7.9 C (17.8 F)22.8 C (73.0 F)-4.4 C (24.1 F)
Jun33.1 C (91.6 F)-1.4 C (29.5 F)23.7 C (74.7 F)5.8 C (42.4 F)
Jul34.3 C (93.7 F)1.3 C (34.3 F)25.1 C (77.2 F)5.6 C (42.1 F)
Aug30.7 C (87.3 F)-1.4 C (29.5 F)21.6 C (70.9 F)2.0 C (35.6 F)
Sep24.7 C (76.5 F)-6.8 C (19.8 F)n/an/a
Oct15.5 C (59.9 F)-22.6 C (-8.7 F)n/an/a
Nov12.4 C (54.3 F)-29.5 C (-21.1 F)n/an/a
Dec7.3 C (45.1 F)-34.4 C (-29.9 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Overkalix-Svartbyn_A by the year they were set 1,464 records at Overkalix-Svartbyn_A still stand. 2024 holds the most, with 85. 02550751001995: 151996: 461997: 421998: 451999: 562000: 482001: 422002: 652003: 432004: 402005: 392006: 702007: 392008: 302009: 292010: 532011: 552012: 342013: 402014: 692015: 372016: 362017: 432018: 462019: 602020: 422021: 322022: 382023: 552024: 852025: 562026: 3419951999200320072011201520192023
1,464 records at Overkalix-Svartbyn_A still stand. 2024 holds the most, with 85.
Standing records at Overkalix-Svartbyn_A by the year they were set
Year setStanding records
199515
199646
199742
199845
199956
200048
200142
200265
200343
200440
200539
200670
200739
200830
200929
201053
201155
201234
201340
201469
201537
201636
201743
201846
201960
202042
202132
202238
202355
202485
202556
202634

Wettest Day of Each Month

Aug: 46.1 mm (1.8 in)
Record daily precipitation for each month at Overkalix-Svartbyn_A The wettest day on record for each calendar month at Overkalix-Svartbyn_A. The most was 46.1 mm (1.8 in) on 21 August 2022. 0204060 Jan: 21.5 mm (0.8 in), 29 January 2000 Jan Feb: 22.7 mm (0.9 in), 16 February 2020 Feb Mar: 17.3 mm (0.7 in), 19 March 2002 Mar Apr: 20.2 mm (0.8 in), 4 April 2000 Apr May: 23.1 mm (0.9 in), 31 May 2011 May Jun: 31.3 mm (1.2 in), 19 June 2010 Jun Jul: 36.6 mm (1.4 in), 5 July 2016 Jul Aug: 46.1 mm (1.8 in), 21 August 2022 Aug Sep: 38.4 mm (1.5 in), 19 September 2023 Sep Oct: 33.2 mm (1.3 in), 14 October 2021 Oct Nov: 39.5 mm (1.6 in), 2 November 2020 Nov Dec: 17.4 mm (0.7 in), 27 December 2020 Dec
The wettest day on record for each calendar month at Overkalix-Svartbyn_A. The most was 46.1 mm (1.8 in) on 21 August 2022.
Record daily precipitation for each month at Overkalix-Svartbyn_A
MonthRecord daily precipitation (mm)Date
Jan21.5 mm (0.8 in)29 January 2000
Feb22.7 mm (0.9 in)16 February 2020
Mar17.3 mm (0.7 in)19 March 2002
Apr20.2 mm (0.8 in)4 April 2000
May23.1 mm (0.9 in)31 May 2011
Jun31.3 mm (1.2 in)19 June 2010
Jul36.6 mm (1.4 in)5 July 2016
Aug46.1 mm (1.8 in)21 August 2022
Sep38.4 mm (1.5 in)19 September 2023
Oct33.2 mm (1.3 in)14 October 2021
Nov39.5 mm (1.6 in)2 November 2020
Dec17.4 mm (0.7 in)27 December 2020

Period of Record Coverage

1995 to 2026
Days with data per year at Overkalix-Svartbyn_A 32 years of record at Overkalix-Svartbyn_A, 1995 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 1995, 2026. 1995: 31 of 365 days1996: 366 of 366 days1997: 365 of 365 days1998: 365 of 365 days1999: 365 of 365 days2000: 366 of 366 days2001: 365 of 365 days2002: 365 of 365 days2003: 365 of 365 days2004: 366 of 366 days2005: 365 of 365 days2006: 365 of 365 days2007: 365 of 365 days2008: 366 of 366 days2009: 365 of 365 days2010: 365 of 365 days2011: 365 of 365 days2012: 366 of 366 days2013: 365 of 365 days2014: 365 of 365 days2015: 365 of 365 days2016: 366 of 366 days2017: 365 of 365 days2018: 356 of 365 days2019: 365 of 365 days2020: 366 of 366 days2021: 365 of 365 days2022: 365 of 365 days2023: 365 of 365 days2024: 366 of 366 days2025: 365 of 365 days2026: 242 of 365 days1995200020052010201520202025
32 years of record at Overkalix-Svartbyn_A, 1995 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 1995, 2026.
Days with data per year at Overkalix-Svartbyn_A
YearDays with dataShare of yearComplete
1995318%No
1996366100%Yes
1997365100%Yes
1998365100%Yes
1999365100%Yes
2000366100%Yes
2001365100%Yes
2002365100%Yes
2003365100%Yes
2004366100%Yes
2005365100%Yes
2006365100%Yes
2007365100%Yes
2008366100%Yes
2009365100%Yes
2010365100%Yes
2011365100%Yes
2012366100%Yes
2013365100%Yes
2014365100%Yes
2015365100%Yes
2016366100%Yes
2017365100%Yes
201835698%Yes
2019365100%Yes
2020366100%Yes
2021365100%Yes
2022365100%Yes
2023365100%Yes
2024366100%Yes
2025365100%Yes
202624266%No

Latest Records

20
Latest records at Overkalix-Svartbyn_A
DateStationRecordValueBeat old record byOld record stoodSignificance
31 August 2026Overkalix-Svartbyn_A, SEdaily high min (Tie, Provisional)14.4 C (57.9 F)tie29 years2 of 100 (Routine)
7 August 2026Overkalix-Svartbyn_A, SEdaily low max14.2 C (57.6 F)0.3 C (0.5 F)7 years5 of 100 (Routine)
7 June 2026Overkalix-Svartbyn_A, SEdaily high min13.3 C (55.9 F)0.1 C (0.2 F)24 years10 of 100 (Routine)
6 June 2026Overkalix-Svartbyn_A, SEdaily high min (Tie)13.2 C (55.8 F)tie1 year0 of 100 (Routine)
5 June 2026Overkalix-Svartbyn_A, SEdaily high min13.5 C (56.3 F)1.1 C (2.0 F)12 years9 of 100 (Routine)
22 May 2026Overkalix-Svartbyn_A, SEdaily high min9.7 C (49.5 F)1.4 C (2.5 F)9 years8 of 100 (Routine)
21 May 2026Overkalix-Svartbyn_A, SEdaily high max21.9 C (71.4 F)0.4 C (0.7 F)12 years6 of 100 (Routine)
2 May 2026Overkalix-Svartbyn_A, SEdaily high min6.0 C (42.8 F)2.7 C (4.9 F)8 years12 of 100 (Routine)
15 April 2026Overkalix-Svartbyn_A, SEdaily high max15.2 C (59.4 F)3.0 C (5.4 F)19 years15 of 100 (Routine)
14 April 2026Overkalix-Svartbyn_A, SEdaily high max13.8 C (56.8 F)2.0 C (3.6 F)19 years12 of 100 (Routine)
13 April 2026Overkalix-Svartbyn_A, SEdaily high max12.4 C (54.3 F)0.5 C (0.9 F)19 years9 of 100 (Routine)
12 April 2026Overkalix-Svartbyn_A, SEdaily high max12.3 C (54.1 F)3.0 C (5.4 F)3 years10 of 100 (Routine)
26 March 2026Overkalix-Svartbyn_A, SEdaily high min0.7 C (33.3 F)2.3 C (4.1 F)23 years11 of 100 (Routine)
23 March 2026Overkalix-Svartbyn_A, SEdaily high min0.4 C (32.7 F)1.6 C (2.9 F)7 years7 of 100 (Routine)
22 March 2026Overkalix-Svartbyn_A, SEdaily high min1.1 C (34.0 F)1.4 C (2.5 F)23 years10 of 100 (Routine)
21 March 2026Overkalix-Svartbyn_A, SEdaily high min1.9 C (35.4 F)2.8 C (5.0 F)4 years7 of 100 (Routine)
21 March 2026Overkalix-Svartbyn_A, SEdaily high max10.3 C (50.5 F)0.9 C (1.6 F)4 years5 of 100 (Routine)
19 March 2026Overkalix-Svartbyn_A, SEdaily high min2.8 C (37.0 F)3.7 C (6.7 F)24 years14 of 100 (Routine)
18 March 2026Overkalix-Svartbyn_A, SEdaily high min0.3 C (32.5 F)1.5 C (2.7 F)4 years5 of 100 (Routine)
17 March 2026Overkalix-Svartbyn_A, SEdaily high min0.0 C (32.0 F)1.6 C (2.9 F)8 years7 of 100 (Routine)

Climate Trend

30 complete years, 1996 to 2025
Annual mean temperature at Overkalix-Svartbyn_A as warming stripes, 1996 to 2025 One stripe for each of 30 complete years at Overkalix-Svartbyn_A, 1996 to 2025. Blue stripes are years cooler than the station's own mean of 1.7 C (35.1 F); red stripes are warmer. The coolest year was 2010, at -0.3 C (31.5 F), and the warmest was 2020, at 3.5 C (38.4 F). The strongest colour marks a difference of 2.1 C (3.8 F). 1996: 0.6 C, -1.1 C from the station mean1997: 1.3 C, -0.4 C from the station mean1998: 0.0 C, -1.7 C from the station mean1999: 1.1 C, -0.6 C from the station mean2000: 2.3 C, +0.6 C from the station mean2001: 0.9 C, -0.8 C from the station mean2002: 0.9 C, -0.8 C from the station mean2003: 1.6 C, -0.1 C from the station mean2004: 1.3 C, -0.5 C from the station mean2005: 2.4 C, +0.7 C from the station mean2006: 1.9 C, +0.2 C from the station mean2007: 1.9 C, +0.1 C from the station mean2008: 1.8 C, 0.0 C from the station mean2009: 1.5 C, -0.2 C from the station mean2010: -0.3 C, -2.0 C from the station mean2011: 2.7 C, +1.0 C from the station mean2012: 0.9 C, -0.8 C from the station mean2013: 2.0 C, +0.3 C from the station mean2014: 2.9 C, +1.1 C from the station mean2015: 3.1 C, +1.4 C from the station mean2016: 2.0 C, +0.3 C from the station mean2017: 1.2 C, -0.5 C from the station mean2018: 1.8 C, +0.1 C from the station mean2019: 1.3 C, -0.4 C from the station mean2020: 3.5 C, +1.8 C from the station mean2021: 1.4 C, -0.3 C from the station mean2022: 2.4 C, +0.7 C from the station mean2023: 1.5 C, -0.2 C from the station mean2024: 2.7 C, +1.0 C from the station mean2025: 3.0 C, +1.2 C from the station mean1996200020052010201520202025
One stripe for each of 30 complete years at Overkalix-Svartbyn_A, 1996 to 2025. Blue stripes are years cooler than the station's own mean of 1.7 C (35.1 F); red stripes are warmer. The coolest year was 2010, at -0.3 C (31.5 F), and the warmest was 2020, at 3.5 C (38.4 F). The strongest colour marks a difference of 2.1 C (3.8 F).
Annual mean temperature at Overkalix-Svartbyn_A as warming stripes, 1996 to 2025
YearAnnual mean temperatureDifference from the station mean
19960.6 C-1.08 C
19971.3 C-0.39 C
19980.0 C-1.74 C
19991.1 C-0.64 C
20002.3 C+0.59 C
20010.9 C-0.82 C
20020.9 C-0.82 C
20031.6 C-0.10 C
20041.3 C-0.45 C
20052.4 C+0.66 C
20061.9 C+0.22 C
20071.9 C+0.14 C
20081.8 C+0.04 C
20091.5 C-0.20 C
2010-0.3 C-2.02 C
20112.7 C+0.96 C
20120.9 C-0.78 C
20132.0 C+0.32 C
20142.9 C+1.15 C
20153.1 C+1.42 C
20162.0 C+0.26 C
20171.2 C-0.52 C
20181.8 C+0.08 C
20191.3 C-0.42 C
20203.5 C+1.82 C
20211.4 C-0.33 C
20222.4 C+0.66 C
20231.5 C-0.19 C
20242.7 C+0.97 C
20253.0 C+1.25 C

The annual mean temperature here has risen by 0.5 C (0.2 to 0.8) per decade over 1996 to 2025. In Fahrenheit: 0.9 F (0.3 to 1.5) per decade. The slope is a straight line fitted to 30 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Overkalix-Svartbyn_A
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.5 C (0.2 to 0.8) per decade0.9 F (0.3 to 1.5) per decade1996 to 202530Rise
Mean daily maximum0.5 C (0.2 to 0.8) per decade0.9 F (0.3 to 1.5) per decade1996 to 202530Rise
Mean daily minimum0.5 C (0.2 to 0.9) per decade1.0 F (0.3 to 1.6) per decade1996 to 202530Rise

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1995 to 2026
Yearly extremes at Overkalix-Svartbyn_A: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)34.3 C (93.7 F)201928.6 C (83.4 F)32
Coldest night (TNn)-46.0 C (-50.8 F)1999-34.4 C (-30.0 F)32
Wettest day (Rx1day)46.1 mm (1.8 in)202227.7 mm (1.1 in)30
Wettest five days (Rx5day)98.9 mm (3.9 in)202648.2 mm (1.9 in)30
Longest dry spell (CDD)38 days201322 days30

Hottest day (TXx)

Hottest day (TXx) at Overkalix-Svartbyn_A by year The hottest day of the year at Overkalix-Svartbyn_A, 1995 to 2026. The record is 34.3 C (93.7 F) in 2019, marked on the chart; the median year is 28.6 C (83.4 F). 010203040200020102020Record: 34.3 C (93.7 F) in 2019
The hottest day of the year at Overkalix-Svartbyn_A, 1995 to 2026. The record is 34.3 C (93.7 F) in 2019, marked on the chart; the median year is 28.6 C (83.4 F).
Hottest day (TXx) at Overkalix-Svartbyn_A by year
YearHottest day (TXx)
19953.8 C (38.8 F)
199625.1 C (77.2 F)
199729.6 C (85.3 F)
199826.3 C (79.3 F)
199929.7 C (85.5 F)
200027.5 C (81.5 F)
200125.8 C (78.4 F)
200228.0 C (82.4 F)
200330.5 C (86.9 F)
200426.6 C (79.9 F)
200530.8 C (87.4 F)
200628.8 C (83.8 F)
200727.3 C (81.1 F)
200827.2 C (81.0 F)
200929.0 C (84.2 F)
201027.2 C (81.0 F)
201133.1 C (91.6 F)
201225.8 C (78.4 F)
201329.5 C (85.1 F)
201431.5 C (88.7 F)
201526.6 C (79.9 F)
201627.7 C (81.9 F)
201726.8 C (80.2 F)
201832.7 C (90.9 F)
201934.3 C (93.7 F)
202029.9 C (85.8 F)
202131.3 C (88.3 F)
202231.3 C (88.3 F)
202330.2 C (86.4 F)
202428.3 C (82.9 F)
202532.5 C (90.5 F)
202625.1 C (77.2 F)

Coldest night (TNn)

Coldest night (TNn) at Overkalix-Svartbyn_A by year The coldest night of the year at Overkalix-Svartbyn_A, 1995 to 2026. The record is -46.0 C (-50.8 F) in 1999, marked on the chart; the median year is -34.4 C (-30.0 F). -50-40-30-20200020102020Record: -46.0 C (-50.8 F) in 1999
The coldest night of the year at Overkalix-Svartbyn_A, 1995 to 2026. The record is -46.0 C (-50.8 F) in 1999, marked on the chart; the median year is -34.4 C (-30.0 F).
Coldest night (TNn) at Overkalix-Svartbyn_A by year
YearColdest night (TNn)
1995-34.2 C (-29.6 F)
1996-34.4 C (-29.9 F)
1997-32.7 C (-26.9 F)
1998-38.5 C (-37.3 F)
1999-46.0 C (-50.8 F)
2000-32.1 C (-25.8 F)
2001-34.7 C (-30.5 F)
2002-37.6 C (-35.7 F)
2003-37.9 C (-36.2 F)
2004-33.9 C (-29.0 F)
2005-32.0 C (-25.6 F)
2006-32.7 C (-26.9 F)
2007-34.4 C (-29.9 F)
2008-25.7 C (-14.3 F)
2009-31.8 C (-25.2 F)
2010-35.1 C (-31.2 F)
2011-35.7 C (-32.3 F)
2012-36.6 C (-33.9 F)
2013-30.9 C (-23.6 F)
2014-35.1 C (-31.2 F)
2015-32.0 C (-25.6 F)
2016-35.9 C (-32.6 F)
2017-36.6 C (-33.9 F)
2018-34.9 C (-30.8 F)
2019-34.5 C (-30.1 F)
2020-26.5 C (-15.7 F)
2021-34.7 C (-30.5 F)
2022-30.5 C (-22.9 F)
2023-29.3 C (-20.7 F)
2024-36.4 C (-33.5 F)
2025-32.6 C (-26.7 F)
2026-36.3 C (-33.3 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Overkalix-Svartbyn_A by year The wettest day of the year at Overkalix-Svartbyn_A, 1995 to 2026. The record is 46.1 mm (1.8 in) in 2022, marked on the chart; the median year is 27.7 mm (1.1 in). 1020304050200020102020Record: 46.1 mm (1.8 in) in 2022
The wettest day of the year at Overkalix-Svartbyn_A, 1995 to 2026. The record is 46.1 mm (1.8 in) in 2022, marked on the chart; the median year is 27.7 mm (1.1 in).
Wettest day (Rx1day) at Overkalix-Svartbyn_A by year
YearWettest day (Rx1day)
1995n/a
1996n/a
199722.3 mm (0.9 in)
199837.2 mm (1.5 in)
199926.6 mm (1.0 in)
200021.6 mm (0.9 in)
200122.3 mm (0.9 in)
200217.3 mm (0.7 in)
200330.5 mm (1.2 in)
200418.7 mm (0.7 in)
200532.8 mm (1.3 in)
200615.9 mm (0.6 in)
200729.0 mm (1.1 in)
200821.5 mm (0.8 in)
200927.6 mm (1.1 in)
201031.3 mm (1.2 in)
201130.2 mm (1.2 in)
201227.9 mm (1.1 in)
201321.5 mm (0.8 in)
201421.6 mm (0.9 in)
201530.0 mm (1.2 in)
201636.6 mm (1.4 in)
201727.7 mm (1.1 in)
201816.4 mm (0.6 in)
201927.1 mm (1.1 in)
202039.5 mm (1.6 in)
202133.2 mm (1.3 in)
202246.1 mm (1.8 in)
202338.4 mm (1.5 in)
202424.5 mm (1.0 in)
202526.1 mm (1.0 in)
202639.1 mm (1.5 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Overkalix-Svartbyn_A by year The wettest five days of the year at Overkalix-Svartbyn_A, 1995 to 2026. The record is 98.9 mm (3.9 in) in 2026, marked on the chart; the median year is 48.2 mm (1.9 in). 20406080100200020102020Record: 98.9 mm (3.9 in) in 2026
The wettest five days of the year at Overkalix-Svartbyn_A, 1995 to 2026. The record is 98.9 mm (3.9 in) in 2026, marked on the chart; the median year is 48.2 mm (1.9 in).
Wettest five days (Rx5day) at Overkalix-Svartbyn_A by year
YearWettest five days (Rx5day)
1995n/a
1996n/a
199757.3 mm (2.3 in)
199880.5 mm (3.2 in)
199942.8 mm (1.7 in)
200047.8 mm (1.9 in)
200141.2 mm (1.6 in)
200232.6 mm (1.3 in)
200347.2 mm (1.9 in)
200444.0 mm (1.7 in)
200585.5 mm (3.4 in)
200632.7 mm (1.3 in)
200752.1 mm (2.1 in)
200841.6 mm (1.6 in)
200932.6 mm (1.3 in)
201058.3 mm (2.3 in)
201161.8 mm (2.4 in)
201252.3 mm (2.1 in)
201337.5 mm (1.5 in)
201448.1 mm (1.9 in)
201546.4 mm (1.8 in)
201672.4 mm (2.9 in)
201743.0 mm (1.7 in)
201831.5 mm (1.2 in)
201939.9 mm (1.6 in)
202055.3 mm (2.2 in)
202171.5 mm (2.8 in)
202248.8 mm (1.9 in)
202356.5 mm (2.2 in)
202448.3 mm (1.9 in)
202548.2 mm (1.9 in)
202698.9 mm (3.9 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Overkalix-Svartbyn_A by year The longest dry spell of the year at Overkalix-Svartbyn_A, 1995 to 2026. The record is 38 days in 2013, marked on the chart; the median year is 22 days. 10203040200020102020Record: 38 days in 2013
The longest dry spell of the year at Overkalix-Svartbyn_A, 1995 to 2026. The record is 38 days in 2013, marked on the chart; the median year is 22 days.
Longest dry spell (CDD) at Overkalix-Svartbyn_A by year
YearLongest dry spell (CDD)
1995n/a
1996n/a
199722 days
199818 days
199918 days
200027 days
200118 days
200219 days
200330 days
200413 days
200524 days
200636 days
200722 days
200819 days
200917 days
201023 days
201118 days
201215 days
201338 days
201427 days
201517 days
201627 days
201717 days
201829 days
201933 days
202023 days
202121 days
202222 days
202319 days
202424 days
202517 days
202627 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Frost Dates and Growing Season

30 years with a frost

Across 30 years with a frost, the median last spring frost at Overkalix-Svartbyn_A falls on 24 May and the median first autumn frost on 3 September, which leaves a median of 100 days between them.

Fitted over all years, the growing season changes by +5.9 days per decade at this station.

Frost dates and growing season at Overkalix-Svartbyn_A
MeasureMedian, all yearsEarliest periodRecent period (1996 to 2025)Recent against earliestFitted trend
Last spring frost24 Mayn/a24 Mayn/a-0.6 days per decade
First autumn frost3 Septembern/a3 Septembern/a+5.2 days per decade
Growing days100 daysn/a100 daysn/a+5.9 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

  • Data for Overkalix-Svartbyn_A standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Overkalix-Svartbyn_A threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-17).