Kuhmo climate — normals and trends
Kuhmo (Finland) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 1.7 °C and it receives 634 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 (15.8 °C on average) and the coldest is January (-11.2 °C). Rainfall peaks in August.
Kuhmo averages 188 frost days, 0 hot days (≥ 30 °C) and 136 rainy days per year.
Kuhmo has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 197 to 179 per year over the period.
The hottest day of the period reached 32.7 °C (on 29 July 2010) and the coldest -39.6 °C (on 7 January 1985).
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
KuhmoKainuu
- coords
- 64.13°, 29.52°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
1.7°C
Average daily high
4.6°C
Average daily low
-1.3°C
Annual rainfall
634mm
Sunshine / day
6.2h
Mean relative humidity
81%
Average peak wind
15.8km/h
Seasonal range
27.0°C
Frost days (< 0 °C)
188 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
136 d/yr
Annual snowfall
166.1 cm
Average feels-like high
1.2 °C
Average feels-like low
-5.1 °C
Average peak gust
33.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
8.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.25 · 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
32.7 °C
29 July 2010
Coldest day
-39.6 °C
7 January 1985
Wettest day
52 mm
3 July 1943
Windiest day
43.4 km/h
26 December 1992
Strongest gust
97.6 km/h
4 February 1971
Hottest feels-like
33.2 °C
29 July 2010
Coldest feels-like
-45.4 °C
7 January 1985
Snowiest day
16.4 cm
24 November 1994
Sunniest day
20.0 h
16 June 1940
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 | -4.9 °C | +3.7 °C | 43 mm | +8 mm |
| Feb | -4.1 °C | +3.9 °C | 14 mm | -16 mm |
| Mar | 1.4 °C | +3.9 °C | 40 mm | +8 mm |
| Apr | 5.6 °C | +1.9 °C | 13 mm | -25 mm |
| May | 11.3 °C | +0.6 °C | 56 mm | +6 mm |
| Jun | 15.9 °C | -0.6 °C | 75 mm | +5 mm |
| Jul | 23.6 °C | +4.3 °C | 47 mm | -32 mm |
| Aug | 18.3 °C | +1.3 °C | 73 mm | -8 mm |
| Sep | 15.4 °C | +4.3 °C | 76 mm | +6 mm |
| Oct | 6.4 °C | +2.3 °C | 51 mm | -5 mm |
| Nov | 1.1 °C | +2.9 °C | 67 mm | +15 mm |
| Dec | -1.9 °C | +3.8 °C | 76 mm | +32 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 Kuhmo?
Kuhmo has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 1.7 °C and it receives 634 mm of precipitation per year.
What is the hottest day ever recorded in Kuhmo?
The hottest day measured in Kuhmo between 1940 and 2025 was 29 July 2010, reaching 32.7 °C.
What is the coldest day in Kuhmo?
The coldest day measured in Kuhmo between 1940 and 2025 was 7 January 1985, at -39.6 °C.
Does it snow in Kuhmo?
Yes. Kuhmo gets on average 166.1 cm of snow per year and has around 188 frost days.
Has the climate of Kuhmo warmed?
Yes: Kuhmo warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kuhmo?
The wettest day measured in Kuhmo between 1940 and 2025 was 3 July 1943, with 52 mm of rain in 24 hours.
What was the windiest day in Kuhmo?
The windiest day measured in Kuhmo between 1940 and 2025 was 26 December 1992, with winds reaching 43.4 km/h.
What is the warmest month in Kuhmo?
The warmest month in Kuhmo is July (15.8 °C on average); the coldest is January (-11.2 °C).
How much does it rain in Kuhmo?
Kuhmo receives on average 634 mm of precipitation per year, spread over about 136 rainy days.
Is it sunny in Kuhmo?
Kuhmo 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 Kuhmo?
The heaviest 24-hour snowfall measured in Kuhmo between 1940 and 2025 was 24 November 1994, with 16.4 cm.
Are there tropical nights in Kuhmo?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Kuhmo.
What was the most extreme apparent temperature in Kuhmo?
In Kuhmo, between 1940 and 2025, the highest apparent temperature reached 33.2 °C on 29 July 2010, and the lowest was -45.4 °C on 7 January 1985.
Compare Kuhmo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Kuhmo