Sodankylä climate — normals and trends
Sodankylä (Finland) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 0.1 °C and it receives 575 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (14.6 °C on average) and the coldest is January (-12.7 °C). Rainfall peaks in July.
Sodankylä averages 213 frost days, 0 hot days (≥ 30 °C) and 125 rainy days per year.
Sodankylä has warmed by +1.3 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The number of frost days there went from about 219 to 207 per year over the period.
The hottest day of the period reached 30.7 °C (on 29 June 1972) and the coldest -45.6 °C (on 28 January 1999).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
SodankyläLapland
- coords
- 67.42°, 26.60°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
0.1°C
Average daily high
3.3°C
Average daily low
-3.4°C
Annual rainfall
575mm
Sunshine / day
6.2h
Mean relative humidity
80%
Average peak wind
15.1km/h
Seasonal range
27.3°C
Frost days (< 0 °C)
213 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
125 d/yr
Annual snowfall
164.7 cm
Average feels-like high
-0.4 °C
Average feels-like low
-7.4 °C
Average peak gust
32.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
7.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.12 · p = 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
30.7 °C
29 June 1972
Coldest day
-45.6 °C
28 January 1999
Wettest day
40 mm
12 August 1992
Windiest day
39.5 km/h
3 March 1953
Strongest gust
94.3 km/h
10 March 1993
Hottest feels-like
31.3 °C
31 July 2018
Coldest feels-like
-50.7 °C
28 January 1999
Snowiest day
16.5 cm
28 April 1970
Sunniest day
22.9 h
23 June 1998
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -8.7 °C | +1.1 °C | 50 mm | +20 mm |
| Feb | -3.5 °C | +5.6 °C | 27 mm | +1 mm |
| Mar | -0.8 °C | +2.7 °C | 35 mm | +8 mm |
| Apr | 2.8 °C | +0.3 °C | 22 mm | -13 mm |
| May | 9.2 °C | +0.3 °C | 37 mm | -7 mm |
| Jun | 14.1 °C | -1.3 °C | 66 mm | -3 mm |
| Jul | 22.7 °C | +4.3 °C | 68 mm | -10 mm |
| Aug | 16.6 °C | +0.8 °C | 102 mm | +27 mm |
| Sep | 13.8 °C | +4.0 °C | 75 mm | +16 mm |
| Oct | 5.2 °C | +3.0 °C | 86 mm | +33 mm |
| Nov | -5.7 °C | -1.8 °C | 61 mm | +19 mm |
| Dec | -5.5 °C | +1.9 °C | 76 mm | +40 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Sodankylä?
Sodankylä has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 0.1 °C and it receives 575 mm of precipitation per year.
What is the hottest day ever recorded in Sodankylä?
The hottest day measured in Sodankylä between 1940 and 2025 was 29 June 1972, reaching 30.7 °C.
What is the coldest day in Sodankylä?
The coldest day measured in Sodankylä between 1940 and 2025 was 28 January 1999, at -45.6 °C.
Does it snow in Sodankylä?
Yes. Sodankylä gets on average 164.7 cm of snow per year and has around 213 frost days.
Has the climate of Sodankylä warmed?
Yes: Sodankylä warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sodankylä?
The wettest day measured in Sodankylä between 1940 and 2025 was 12 August 1992, with 40 mm of rain in 24 hours.
What was the windiest day in Sodankylä?
The windiest day measured in Sodankylä between 1940 and 2025 was 3 March 1953, with winds reaching 39.5 km/h.
What is the warmest month in Sodankylä?
The warmest month in Sodankylä is July (14.6 °C on average); the coldest is January (-12.7 °C).
How much does it rain in Sodankylä?
Sodankylä receives on average 575 mm of precipitation per year, spread over about 125 rainy days.
Is it sunny in Sodankylä?
Sodankylä gets on average 6.2 hours of sunshine per day, roughly 2,263 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sodankylä?
The heaviest 24-hour snowfall measured in Sodankylä between 1940 and 2025 was 28 April 1970, with 16.5 cm.
Are there tropical nights in Sodankylä?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Sodankylä.
What was the most extreme apparent temperature in Sodankylä?
In Sodankylä, between 1940 and 2025, the highest apparent temperature reached 31.3 °C on 31 July 2018, and the lowest was -50.7 °C on 28 January 1999.
Compare Sodankylä with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sodankylä