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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Arlanda Threshold Days by Year (SWE00139060)

10 fixed thresholds counted per year at Arlanda (SWE00139060): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Arlanda Thresholds

  • Arlanda: days with a maximum temperature at or below 0 C (32 F) in 41 years, most in 2010 with 99.
  • Arlanda: nights with a minimum temperature at or below 0 C (32 F) in 41 years, most in 1968 with 177.
  • Arlanda: nights with a minimum temperature at or below -10 C (14 F) in 41 years, most in 1985 with 61.
  • Arlanda: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 2012 with 24.
  • 10 fixed thresholds have at least one qualifying day at Arlanda.
17 years with a qualifying day
Days at or above 30 C (86 F) per year at Arlanda Days per year at Arlanda with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 1994. 024681968: 11969: 21970: 21972: 11973: 41975: 61976: 11982: 51983: 51986: 11989: 31991: 11994: 82007: 12008: 12009: 12010: 4196819701973197619831989199420082010
Days per year at Arlanda with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 1994.
Days at or above 30 C (86 F) per year at Arlanda
YearDaysDecade average
196811.5
196921.5
197022.8
197212.8
197342.8
197562.8
197612.8
198253.5
198353.5
198613.5
198933.5
199114.5
199484.5
200711
200811
200911
201044
First to last qualifying date each year at Arlanda For each year, a bar from the first to the last day at Arlanda meeting 30 C (86 F). 1968: 18 June 1968 to 18 June 19681969: 31 July 1969 to 1 August 19691970: 19 June 1970 to 20 June 19701972: 28 June 1972 to 28 June 19721973: 24 June 1973 to 7 July 19731975: 4 August 1975 to 9 August 19751976: 26 June 1976 to 26 June 19761982: 5 June 1982 to 8 August 19821983: 8 July 1983 to 9 August 19831986: 26 June 1986 to 26 June 19861989: 5 July 1989 to 8 July 19891991: 7 July 1991 to 7 July 19911994: 12 July 1994 to 5 August 19942007: 9 June 2007 to 9 June 20072008: 26 July 2008 to 26 July 20082009: 28 June 2009 to 28 June 20092010: 11 July 2010 to 14 August 2010196819721976198619942009JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Arlanda meeting 30 C (86 F).
First to last qualifying date each year at Arlanda
YearFirst dateLast date
19681968-06-181968-06-18
19691969-07-311969-08-01
19701970-06-191970-06-20
19721972-06-281972-06-28
19731973-06-241973-07-07
19751975-08-041975-08-09
19761976-06-261976-06-26
19821982-06-051982-08-08
19831983-07-081983-08-09
19861986-06-261986-06-26
19891989-07-051989-07-08
19911991-07-071991-07-07
19941994-07-121994-08-05
20072007-06-092007-06-09
20082008-07-262008-07-26
20092009-06-282009-06-28
20102010-07-112010-08-14

Every Fixed Threshold

Fixed thresholds at Arlanda
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days17819944
35 C (95 F): Days1119751
90 F (32.2 C): Days4419751
0 C (32 F): Ice days (max4199201055
0 C (32 F): Frost days (min411771968129
-10 C (14 F): Days with min4161198519
-20 C (-4 F): Days with min221919855
20 C (68 F): Tropical nights (min2119941
10 mm (0.39 in): Days with 10 mm or more rain4124201224
25 mm (0.98 in): Days with 25 mm or more rain27519804

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.

Download the Data

  • Data for Arlanda 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). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).