Pieksämäki climate — normals and trends
Pieksämäki (Finland) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 3.4 °C and it receives 659 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 (-8.9 °C). Rainfall peaks in July.
Pieksämäki averages 168 frost days, 0 hot days (≥ 30 °C) and 135 rainy days per year.
Pieksämäki 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 182 to 154 per year over the period.
The hottest day of the period reached 33.0 °C (on 29 July 2010) and the coldest -36.8 °C (on 8 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
PieksämäkiSouth Savo
- coords
- 62.30°, 27.13°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.4°C
Average daily high
6.3°C
Average daily low
0.5°C
Annual rainfall
659mm
Sunshine / day
6.7h
Mean relative humidity
82%
Average peak wind
15.7km/h
Seasonal range
25.7°C
Frost days (< 0 °C)
168 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
135 d/yr
Annual snowfall
145.3 cm
Average feels-like high
3.1 °C
Average feels-like low
-3.1 °C
Average peak gust
34.3 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
+2.4 °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
33.0 °C
29 July 2010
Coldest day
-36.8 °C
8 January 1987
Wettest day
75 mm
30 June 2020
Windiest day
44.4 km/h
1 October 1994
Strongest gust
98.3 km/h
27 May 1986
Hottest feels-like
32.7 °C
28 June 1988
Coldest feels-like
-42.1 °C
8 January 1987
Snowiest day
19.8 cm
3 November 1968
Sunniest day
18.7 h
26 June 2023
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 | -2.0 °C | +4.5 °C | 49 mm | +11 mm |
| Feb | -2.7 °C | +3.4 °C | 18 mm | -13 mm |
| Mar | 3.6 °C | +4.6 °C | 40 mm | +8 mm |
| Apr | 7.8 °C | +2.7 °C | 47 mm | +8 mm |
| May | 12.1 °C | -0.6 °C | 48 mm | -3 mm |
| Jun | 17.4 °C | -0.5 °C | 111 mm | +37 mm |
| Jul | 24.2 °C | +4.0 °C | 74 mm | -13 mm |
| Aug | 19.0 °C | +0.8 °C | 71 mm | -15 mm |
| Sep | 16.5 °C | +4.0 °C | 76 mm | +12 mm |
| Oct | 7.6 °C | +1.7 °C | 61 mm | +4 mm |
| Nov | 3.5 °C | +3.3 °C | 43 mm | -10 mm |
| Dec | 0.8 °C | +4.6 °C | 70 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 Pieksämäki?
Pieksämäki has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 3.4 °C and it receives 659 mm of precipitation per year.
What is the hottest day ever recorded in Pieksämäki?
The hottest day measured in Pieksämäki between 1940 and 2025 was 29 July 2010, reaching 33.0 °C.
What is the coldest day in Pieksämäki?
The coldest day measured in Pieksämäki between 1940 and 2025 was 8 January 1987, at -36.8 °C.
Does it snow in Pieksämäki?
Yes. Pieksämäki gets on average 145.3 cm of snow per year and has around 168 frost days.
Has the climate of Pieksämäki warmed?
Yes: Pieksämäki warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Pieksämäki?
The wettest day measured in Pieksämäki between 1940 and 2025 was 30 June 2020, with 75 mm of rain in 24 hours.
What was the windiest day in Pieksämäki?
The windiest day measured in Pieksämäki between 1940 and 2025 was 1 October 1994, with winds reaching 44.4 km/h.
What is the warmest month in Pieksämäki?
The warmest month in Pieksämäki is July (16.8 °C on average); the coldest is January (-8.9 °C).
How much does it rain in Pieksämäki?
Pieksämäki receives on average 659 mm of precipitation per year, spread over about 135 rainy days.
Is it sunny in Pieksämäki?
Pieksämäki 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 Pieksämäki?
The heaviest 24-hour snowfall measured in Pieksämäki between 1940 and 2025 was 3 November 1968, with 19.8 cm.
Are there tropical nights in Pieksämäki?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Pieksämäki.
What was the most extreme apparent temperature in Pieksämäki?
In Pieksämäki, between 1940 and 2025, the highest apparent temperature reached 32.7 °C on 28 June 1988, and the lowest was -42.1 °C on 8 January 1987.
Compare Pieksämäki with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Pieksämäki