Keuruu climate — normals and trends
Keuruu (Finland) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 3.5 °C and it receives 647 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 (16.4 °C on average) and the coldest is January (-8.3 °C). Rainfall peaks in August.
Keuruu averages 173 frost days, 0 hot days (≥ 30 °C) and 131 rainy days per year.
Keuruu has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The number of frost days there went from about 184 to 162 per year over the period.
The hottest day of the period reached 33.2 °C (on 29 July 2010) and the coldest -36.1 °C (on 12 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
KeuruuCentral Finland
- coords
- 62.27°, 24.70°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.5°C
Average daily high
6.8°C
Average daily low
0.1°C
Annual rainfall
647mm
Sunshine / day
6.7h
Mean relative humidity
81%
Average peak wind
16.2km/h
Seasonal range
24.7°C
Frost days (< 0 °C)
173 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
131 d/yr
Annual snowfall
144.0 cm
Average feels-like high
3.5 °C
Average feels-like low
-3.6 °C
Average peak gust
35.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
8.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.31 · 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
33.2 °C
29 July 2010
Coldest day
-36.1 °C
12 January 1968
Wettest day
53 mm
8 August 1943
Windiest day
42.4 km/h
22 September 1975
Strongest gust
104.8 km/h
26 October 1985
Hottest feels-like
33.6 °C
8 August 2010
Coldest feels-like
-41.6 °C
12 January 1968
Snowiest day
19.8 cm
25 January 2002
Sunniest day
19.0 h
17 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 | -1.9 °C | +3.9 °C | 46 mm | +7 mm |
| Feb | -2.1 °C | +3.3 °C | 23 mm | -9 mm |
| Mar | 3.8 °C | +4.2 °C | 40 mm | +7 mm |
| Apr | 8.9 °C | +3.0 °C | 50 mm | +11 mm |
| May | 12.7 °C | -0.9 °C | 55 mm | +9 mm |
| Jun | 17.3 °C | -1.0 °C | 104 mm | +38 mm |
| Jul | 24.9 °C | +4.4 °C | 58 mm | -23 mm |
| Aug | 18.7 °C | +0.2 °C | 78 mm | -7 mm |
| Sep | 16.3 °C | +3.5 °C | 77 mm | +15 mm |
| Oct | 7.9 °C | +1.7 °C | 54 mm | -5 mm |
| Nov | 3.5 °C | +3.1 °C | 58 mm | +4 mm |
| Dec | 1.4 °C | +4.7 °C | 73 mm | +24 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 Keuruu?
Keuruu has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 3.5 °C and it receives 647 mm of precipitation per year.
What is the hottest day ever recorded in Keuruu?
The hottest day measured in Keuruu between 1940 and 2025 was 29 July 2010, reaching 33.2 °C.
What is the coldest day in Keuruu?
The coldest day measured in Keuruu between 1940 and 2025 was 12 January 1968, at -36.1 °C.
Does it snow in Keuruu?
Yes. Keuruu gets on average 144.0 cm of snow per year and has around 173 frost days.
Has the climate of Keuruu warmed?
Yes: Keuruu warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Keuruu?
The wettest day measured in Keuruu between 1940 and 2025 was 8 August 1943, with 53 mm of rain in 24 hours.
What was the windiest day in Keuruu?
The windiest day measured in Keuruu between 1940 and 2025 was 22 September 1975, with winds reaching 42.4 km/h.
What is the warmest month in Keuruu?
The warmest month in Keuruu is July (16.4 °C on average); the coldest is January (-8.3 °C).
How much does it rain in Keuruu?
Keuruu receives on average 647 mm of precipitation per year, spread over about 131 rainy days.
Is it sunny in Keuruu?
Keuruu gets on average 6.7 hours of sunshine per day, roughly 2,446 hours per year over 1940-2025.
What is the biggest single-day snowfall in Keuruu?
The heaviest 24-hour snowfall measured in Keuruu between 1940 and 2025 was 25 January 2002, with 19.8 cm.
Are there tropical nights in Keuruu?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Keuruu.
What was the most extreme apparent temperature in Keuruu?
In Keuruu, between 1940 and 2025, the highest apparent temperature reached 33.6 °C on 8 August 2010, and the lowest was -41.6 °C on 12 January 1968.
Compare Keuruu with another city
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Nearby cities
The climate around Keuruu