Varkaus climate — normals and trends
Varkaus (Finland) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 3.5 °C and it receives 637 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 (17.0 °C on average) and the coldest is January (-8.9 °C). Rainfall peaks in July.
Varkaus averages 166 frost days, 0 hot days (≥ 30 °C) and 133 rainy days per year.
Varkaus has warmed by +2.4 °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 181 to 151 per year over the period.
The hottest day of the period reached 32.7 °C (on 29 July 2010) and the coldest -35.9 °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
VarkausNorth Savo
- coords
- 62.32°, 27.87°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.5°C
Average daily high
6.2°C
Average daily low
0.7°C
Annual rainfall
637mm
Sunshine / day
6.7h
Mean relative humidity
82%
Average peak wind
16.2km/h
Seasonal range
25.9°C
Frost days (< 0 °C)
166 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
133 d/yr
Annual snowfall
142.4 cm
Average feels-like high
3.0 °C
Average feels-like low
-2.9 °C
Average peak gust
34.1 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
8.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °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
32.7 °C
29 July 2010
Coldest day
-35.9 °C
10 January 1987
Wettest day
66 mm
30 June 2020
Windiest day
44.1 km/h
1 October 1994
Strongest gust
99.7 km/h
26 October 1985
Hottest feels-like
33.5 °C
27 June 1988
Coldest feels-like
-41.4 °C
10 January 1987
Snowiest day
18.6 cm
3 November 1968
Sunniest day
18.5 h
27 June 2024
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 | -2.1 °C | +4.4 °C | 49 mm | +11 mm |
| Feb | -2.7 °C | +3.5 °C | 17 mm | -13 mm |
| Mar | 3.4 °C | +4.5 °C | 40 mm | +8 mm |
| Apr | 7.6 °C | +2.7 °C | 46 mm | +8 mm |
| May | 12.0 °C | -0.5 °C | 51 mm | +3 mm |
| Jun | 17.5 °C | -0.5 °C | 107 mm | +37 mm |
| Jul | 24.1 °C | +3.9 °C | 66 mm | -17 mm |
| Aug | 19.0 °C | +0.8 °C | 67 mm | -15 mm |
| Sep | 16.5 °C | +4.0 °C | 75 mm | +12 mm |
| Oct | 7.6 °C | +1.7 °C | 59 mm | +2 mm |
| Nov | 3.5 °C | +3.3 °C | 45 mm | -7 mm |
| Dec | 0.8 °C | +4.6 °C | 67 mm | +21 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 Varkaus?
Varkaus has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 3.5 °C and it receives 637 mm of precipitation per year.
What is the hottest day ever recorded in Varkaus?
The hottest day measured in Varkaus between 1940 and 2025 was 29 July 2010, reaching 32.7 °C.
What is the coldest day in Varkaus?
The coldest day measured in Varkaus between 1940 and 2025 was 10 January 1987, at -35.9 °C.
Does it snow in Varkaus?
Yes. Varkaus gets on average 142.4 cm of snow per year and has around 166 frost days.
Has the climate of Varkaus warmed?
Yes: Varkaus warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Varkaus?
The wettest day measured in Varkaus between 1940 and 2025 was 30 June 2020, with 66 mm of rain in 24 hours.
What was the windiest day in Varkaus?
The windiest day measured in Varkaus between 1940 and 2025 was 1 October 1994, with winds reaching 44.1 km/h.
What is the warmest month in Varkaus?
The warmest month in Varkaus is July (17.0 °C on average); the coldest is January (-8.9 °C).
How much does it rain in Varkaus?
Varkaus receives on average 637 mm of precipitation per year, spread over about 133 rainy days.
Is it sunny in Varkaus?
Varkaus 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 Varkaus?
The heaviest 24-hour snowfall measured in Varkaus between 1940 and 2025 was 3 November 1968, with 18.6 cm.
Are there tropical nights in Varkaus?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Varkaus.
What was the most extreme apparent temperature in Varkaus?
In Varkaus, between 1940 and 2025, the highest apparent temperature reached 33.5 °C on 27 June 1988, and the lowest was -41.4 °C on 10 January 1987.
Compare Varkaus with another city
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Nearby cities
The climate around Varkaus