Kaleva climate — normals and trends
Kaleva (Finland) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 4.3 °C and it receives 640 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 (-7.1 °C). Rainfall peaks in August.
Kaleva averages 156 frost days, 0 hot days (≥ 30 °C) and 128 rainy days per year.
Kaleva has warmed by +2.3 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 174 to 138 per year over the period.
The hottest day of the period reached 31.0 °C (on 22 June 2021) and the coldest -36.0 °C (on 10 January 1987).
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
KalevaPirkanmaa
- coords
- 61.50°, 23.81°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
4.3°C
Average daily high
7.3°C
Average daily low
1.2°C
Annual rainfall
640mm
Sunshine / day
6.9h
Mean relative humidity
82%
Average peak wind
16.1km/h
Seasonal range
23.9°C
Frost days (< 0 °C)
156 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
128 d/yr
Annual snowfall
124.5 cm
Average feels-like high
4.1 °C
Average feels-like low
-2.2 °C
Average peak gust
34.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
8.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.34 · 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
31.0 °C
22 June 2021
Coldest day
-36.0 °C
10 January 1987
Wettest day
49 mm
9 August 1941
Windiest day
41.6 km/h
26 October 1985
Strongest gust
92.2 km/h
14 January 1984
Hottest feels-like
31.7 °C
8 August 2010
Coldest feels-like
-42.1 °C
10 January 1987
Snowiest day
18.4 cm
18 April 1972
Sunniest day
19.0 h
23 June 2010
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -0.3 °C | +4.5 °C | 52 mm | +13 mm |
| Feb | -1.3 °C | +3.3 °C | 20 mm | -11 mm |
| Mar | 4.4 °C | +4.2 °C | 28 mm | -4 mm |
| Apr | 8.9 °C | +2.7 °C | 48 mm | +9 mm |
| May | 12.3 °C | -1.1 °C | 44 mm | -3 mm |
| Jun | 17.0 °C | -1.2 °C | 104 mm | +38 mm |
| Jul | 24.0 °C | +3.7 °C | 70 mm | -15 mm |
| Aug | 18.3 °C | -0.3 °C | 102 mm | +15 mm |
| Sep | 16.4 °C | +3.2 °C | 80 mm | +19 mm |
| Oct | 8.4 °C | +1.4 °C | 63 mm | +7 mm |
| Nov | 4.7 °C | +3.2 °C | 66 mm | +14 mm |
| Dec | 2.9 °C | +5.1 °C | 64 mm | +17 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 Kaleva?
Kaleva has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 4.3 °C and it receives 640 mm of precipitation per year.
What is the hottest day ever recorded in Kaleva?
The hottest day measured in Kaleva between 1940 and 2025 was 22 June 2021, reaching 31.0 °C.
What is the coldest day in Kaleva?
The coldest day measured in Kaleva between 1940 and 2025 was 10 January 1987, at -36.0 °C.
Does it snow in Kaleva?
Yes. Kaleva gets on average 124.5 cm of snow per year and has around 156 frost days.
Has the climate of Kaleva warmed?
Yes: Kaleva warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kaleva?
The wettest day measured in Kaleva between 1940 and 2025 was 9 August 1941, with 49 mm of rain in 24 hours.
What was the windiest day in Kaleva?
The windiest day measured in Kaleva between 1940 and 2025 was 26 October 1985, with winds reaching 41.6 km/h.
What is the warmest month in Kaleva?
The warmest month in Kaleva is July (16.8 °C on average); the coldest is January (-7.1 °C).
How much does it rain in Kaleva?
Kaleva receives on average 640 mm of precipitation per year, spread over about 128 rainy days.
Is it sunny in Kaleva?
Kaleva gets on average 6.9 hours of sunshine per day, roughly 2,519 hours per year over 1940-2025.
What is the biggest single-day snowfall in Kaleva?
The heaviest 24-hour snowfall measured in Kaleva between 1940 and 2025 was 18 April 1972, with 18.4 cm.
Are there tropical nights in Kaleva?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Kaleva.
What was the most extreme apparent temperature in Kaleva?
In Kaleva, between 1940 and 2025, the highest apparent temperature reached 31.7 °C on 8 August 2010, and the lowest was -42.1 °C on 10 January 1987.
Compare Kaleva with another city
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Nearby cities
The climate around Kaleva