Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Raasepori Jussaro. The lines show the 2026 daily maximum and minimum. 27 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Raasepori Jussaro, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
7.5 C (45.5 F)
-25.3 C (-13.5 F)
6.1 C (43.0 F)
-8.7 C (16.3 F)
Feb
9.4 C (48.9 F)
-23.6 C (-10.5 F)
3.5 C (38.3 F)
-11.0 C (12.2 F)
Mar
11.2 C (52.2 F)
-17.5 C (0.5 F)
11.2 C (52.2 F)
-6.4 C (20.5 F)
Apr
17.1 C (62.8 F)
-9.6 C (14.7 F)
16.4 C (61.5 F)
-3.5 C (25.7 F)
May
24.6 C (76.3 F)
-1.6 C (29.1 F)
20.6 C (69.1 F)
0.6 C (33.1 F)
Jun
28.2 C (82.8 F)
4.0 C (39.2 F)
21.6 C (70.9 F)
8.9 C (48.0 F)
Jul
29.5 C (85.1 F)
8.1 C (46.6 F)
26.0 C (78.8 F)
10.1 C (50.2 F)
Aug
28.3 C (82.9 F)
6.5 C (43.7 F)
26.3 C (79.3 F)
9.0 C (48.2 F)
Sep
22.4 C (72.3 F)
1.9 C (35.4 F)
20.7 C (69.3 F)
13.4 C (56.1 F)
Oct
16.2 C (61.2 F)
-6.2 C (20.8 F)
n/a
n/a
Nov
13.5 C (56.3 F)
-12.8 C (9.0 F)
n/a
n/a
Dec
9.3 C (48.7 F)
-21.6 C (-6.9 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Raasepori Jussaro still stand. 2020 holds the most, with 106.
Standing records at Raasepori Jussaro by the year they were set
Year set
Standing records
1993
48
1994
50
1995
48
1996
70
1997
32
1998
62
1999
20
2000
27
2001
33
2002
76
2003
68
2004
16
2005
32
2006
68
2007
38
2008
23
2009
17
2010
57
2011
37
2012
27
2013
28
2014
37
2015
38
2016
35
2017
28
2018
51
2019
37
2020
106
2021
52
2022
45
2023
42
2024
71
2025
45
Period of Record Coverage
1993 to 2025
Complete yearUnder 90 percent of days
33 years of record at Raasepori Jussaro, 1993 to 2025. 2 years have data for under 90 percent of days and are left out of rankings: 1993, 2025.
Cooler than the station meanWarmer than the station mean
One stripe for each of 30 complete years at Raasepori Jussaro, 1994 to 2024. Blue stripes are years cooler than the station's own mean of 6.6 C (43.9 F); red stripes are warmer. The coolest year was 1996, at 4.6 C (40.3 F), and the warmest was 2020, at 8.7 C (47.7 F). The strongest colour marks a difference of 2.1 C (3.8 F).
Annual mean temperature at Raasepori Jussaro as warming stripes, 1994 to 2024
Year
Annual mean temperature
Difference from the station mean
1994
5.3 C
-1.28 C
1995
6.2 C
-0.44 C
1996
4.6 C
-2.00 C
1997
6.2 C
-0.43 C
1998
5.4 C
-1.22 C
2000
7.4 C
+0.78 C
2001
6.3 C
-0.36 C
2002
6.3 C
-0.36 C
2003
5.7 C
-0.97 C
2004
6.2 C
-0.45 C
2005
6.7 C
+0.11 C
2006
6.6 C
+0.00 C
2007
7.0 C
+0.35 C
2008
7.6 C
+0.95 C
2009
6.4 C
-0.25 C
2010
4.9 C
-1.75 C
2011
7.0 C
+0.36 C
2012
6.0 C
-0.67 C
2013
6.6 C
-0.02 C
2014
7.3 C
+0.68 C
2015
7.7 C
+1.12 C
2016
6.6 C
-0.01 C
2017
6.7 C
+0.09 C
2018
7.1 C
+0.44 C
2019
7.4 C
+0.73 C
2020
8.7 C
+2.09 C
2021
6.6 C
-0.04 C
2022
7.3 C
+0.72 C
2023
7.2 C
+0.53 C
2024
7.8 C
+1.21 C
The annual mean temperature here has risen by 0.6 C (0.3 to 0.9) per decade over 1994 to 2024. In Fahrenheit: 1.1 F (0.6 to 1.7) 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 Raasepori Jussaro
Measure
Per decade (C)
Per decade (F)
Period
Complete years
Reading
Annual mean temperature
0.6 C (0.3 to 0.9) per decade
1.1 F (0.6 to 1.7) per decade
1994 to 2024
30
Rise
Mean daily maximum
0.7 C (0.4 to 0.9) per decade
1.2 F (0.7 to 1.7) per decade
1994 to 2024
30
Rise
Mean daily minimum
0.6 C (0.3 to 0.9) per decade
1.1 F (0.5 to 1.7) per decade
1994 to 2024
30
Rise
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
1993 to 2025
Yearly extremes at Raasepori Jussaro: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
29.5 C (85.1 F)
2021
26.3 C (79.3 F)
33
Coldest night (TNn)
-25.3 C (-13.5 F)
2003
-17.0 C (1.4 F)
33
Hottest day (TXx)
The hottest day of the year at Raasepori Jussaro, 1993 to 2025. The record is 29.5 C (85.1 F) in 2021, marked on the chart; the median year is 26.3 C (79.3 F).
Hottest day (TXx) at Raasepori Jussaro by year
Year
Hottest day (TXx)
1993
20.9 C (69.6 F)
1994
27.7 C (81.9 F)
1995
26.1 C (79.0 F)
1996
22.6 C (72.7 F)
1997
25.9 C (78.6 F)
1998
19.8 C (67.6 F)
1999
25.2 C (77.4 F)
2000
26.4 C (79.5 F)
2001
28.0 C (82.4 F)
2002
27.2 C (81.0 F)
2003
28.5 C (83.3 F)
2004
23.7 C (74.7 F)
2005
26.1 C (79.0 F)
2006
27.5 C (81.5 F)
2007
23.8 C (74.8 F)
2008
26.2 C (79.2 F)
2009
26.8 C (80.2 F)
2010
27.6 C (81.7 F)
2011
27.5 C (81.5 F)
2012
23.1 C (73.6 F)
2013
24.3 C (75.7 F)
2014
28.1 C (82.6 F)
2015
22.7 C (72.9 F)
2016
23.8 C (74.8 F)
2017
23.1 C (73.6 F)
2018
28.5 C (83.3 F)
2019
28.1 C (82.6 F)
2020
28.2 C (82.8 F)
2021
29.5 C (85.1 F)
2022
26.6 C (79.9 F)
2023
26.6 C (79.9 F)
2024
26.1 C (79.0 F)
2025
26.3 C (79.3 F)
Coldest night (TNn)
The coldest night of the year at Raasepori Jussaro, 1993 to 2025. The record is -25.3 C (-13.5 F) in 2003, marked on the chart; the median year is -17.0 C (1.4 F).
Coldest night (TNn) at Raasepori Jussaro by year
Year
Coldest night (TNn)
1993
-13.6 C (7.5 F)
1994
-19.1 C (-2.4 F)
1995
-18.5 C (-1.3 F)
1996
-18.5 C (-1.3 F)
1997
-16.7 C (1.9 F)
1998
-16.6 C (2.1 F)
1999
-16.0 C (3.2 F)
2000
-12.7 C (9.1 F)
2001
-23.6 C (-10.5 F)
2002
-21.6 C (-6.9 F)
2003
-25.3 C (-13.5 F)
2004
-16.5 C (2.3 F)
2005
-17.5 C (0.5 F)
2006
-21.2 C (-6.2 F)
2007
-20.1 C (-4.2 F)
2008
-9.8 C (14.4 F)
2009
-12.6 C (9.3 F)
2010
-21.3 C (-6.3 F)
2011
-21.9 C (-7.4 F)
2012
-18.4 C (-1.1 F)
2013
-17.4 C (0.7 F)
2014
-13.2 C (8.2 F)
2015
-11.1 C (12.0 F)
2016
-20.5 C (-4.9 F)
2017
-17.0 C (1.4 F)
2018
-18.2 C (-0.8 F)
2019
-14.0 C (6.8 F)
2020
-6.6 C (20.1 F)
2021
-18.6 C (-1.5 F)
2022
-10.6 C (12.9 F)
2023
-11.7 C (10.9 F)
2024
-16.0 C (3.2 F)
2025
-11.0 C (12.2 F)
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 Raasepori Jussaro falls on 24 April and the median first autumn frost on 28 October, which leaves a median of 188 days between them.
Fitted over all years, the growing season changes by -0.3 days per decade at this station.
Frost dates and growing season at Raasepori Jussaro
Measure
Median, all years
Earliest period
Recent period (1994 to 2024)
Recent against earliest
Fitted trend
Last spring frost
24 April
n/a
24 April
n/a
+1.1 days per decade
First autumn frost
28 October
n/a
28 October
n/a
+0.8 days per decade
Growing days
188 days
n/a
188 days
n/a
-0.3 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 Raasepori Jussaro standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Raasepori Jussaro 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.