Nurmes climate — normals and trends
Nurmes (Finland) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 2.4 °C and it receives 796 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 (16.8 °C on average) and the coldest is January (-10.2 °C). Rainfall peaks in August.
Nurmes averages 182 frost days, 0 hot days (≥ 30 °C) and 149 rainy days per year.
Nurmes has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 192 to 172 per year over the period.
The hottest day of the period reached 32.4 °C (on 29 July 2010) and the coldest -35.6 °C (on 13 January 1968).
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
NurmesNorth Karelia
- coords
- 63.54°, 29.14°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
2.4°C
Average daily high
4.9°C
Average daily low
-0.2°C
Annual rainfall
796mm
Sunshine / day
6.5h
Mean relative humidity
81%
Average peak wind
17.8km/h
Seasonal range
27.0°C
Frost days (< 0 °C)
182 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
149 d/yr
Annual snowfall
178.4 cm
Average feels-like high
1.3 °C
Average feels-like low
-4.1 °C
Average peak gust
30.8 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
8.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.29 · 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
32.4 °C
29 July 2010
Coldest day
-35.6 °C
13 January 1968
Wettest day
48 mm
23 September 1983
Windiest day
50.4 km/h
26 December 1992
Strongest gust
90.0 km/h
26 March 2008
Hottest feels-like
33.4 °C
29 July 2010
Coldest feels-like
-40.8 °C
9 February 1966
Snowiest day
15.6 cm
21 November 1980
Sunniest day
19.6 h
22 June 2020
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 | -4.1 °C | +4.0 °C | 52 mm | +11 mm |
| Feb | -4.1 °C | +3.6 °C | 23 mm | -12 mm |
| Mar | 1.1 °C | +3.8 °C | 47 mm | +10 mm |
| Apr | 5.3 °C | +1.9 °C | 17 mm | -27 mm |
| May | 10.7 °C | +0.6 °C | 55 mm | +2 mm |
| Jun | 16.5 °C | -0.3 °C | 97 mm | +15 mm |
| Jul | 23.9 °C | +4.1 °C | 45 mm | -52 mm |
| Aug | 18.5 °C | +1.1 °C | 80 mm | -21 mm |
| Sep | 15.2 °C | +3.8 °C | 87 mm | -5 mm |
| Oct | 6.7 °C | +2.2 °C | 94 mm | +6 mm |
| Nov | 1.9 °C | +3.1 °C | 114 mm | +41 mm |
| Dec | -1.1 °C | +4.0 °C | 96 mm | +42 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 Nurmes?
Nurmes has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 2.4 °C and it receives 796 mm of precipitation per year.
What is the hottest day ever recorded in Nurmes?
The hottest day measured in Nurmes between 1940 and 2025 was 29 July 2010, reaching 32.4 °C.
What is the coldest day in Nurmes?
The coldest day measured in Nurmes between 1940 and 2025 was 13 January 1968, at -35.6 °C.
Does it snow in Nurmes?
Yes. Nurmes gets on average 178.4 cm of snow per year and has around 182 frost days.
Has the climate of Nurmes warmed?
Yes: Nurmes warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nurmes?
The wettest day measured in Nurmes between 1940 and 2025 was 23 September 1983, with 48 mm of rain in 24 hours.
What was the windiest day in Nurmes?
The windiest day measured in Nurmes between 1940 and 2025 was 26 December 1992, with winds reaching 50.4 km/h.
What is the warmest month in Nurmes?
The warmest month in Nurmes is July (16.8 °C on average); the coldest is January (-10.2 °C).
How much does it rain in Nurmes?
Nurmes receives on average 796 mm of precipitation per year, spread over about 149 rainy days.
Is it sunny in Nurmes?
Nurmes gets on average 6.5 hours of sunshine per day, roughly 2,373 hours per year over 1940-2025.
What is the biggest single-day snowfall in Nurmes?
The heaviest 24-hour snowfall measured in Nurmes between 1940 and 2025 was 21 November 1980, with 15.6 cm.
Are there tropical nights in Nurmes?
Yes: Nurmes has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nurmes?
In Nurmes, between 1940 and 2025, the highest apparent temperature reached 33.4 °C on 29 July 2010, and the lowest was -40.8 °C on 9 February 1966.
Compare Nurmes with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nurmes