Noormarkku climate — normals and trends
Noormarkku (Finland) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.0 °C and it receives 650 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 February (-5.4 °C). Rainfall peaks in August.
Noormarkku averages 134 frost days, 0 hot days (≥ 30 °C) and 128 rainy days per year.
Noormarkku 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 156 to 112 per year over the period.
The hottest day of the period reached 29.8 °C (on 4 August 2014) and the coldest -33.1 °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
NoormarkkuSatakunta
- coords
- 61.59°, 21.87°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.0°C
Average daily high
7.4°C
Average daily low
2.4°C
Annual rainfall
650mm
Sunshine / day
7.7h
Mean relative humidity
81%
Average peak wind
21.4km/h
Seasonal range
21.8°C
Frost days (< 0 °C)
134 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
128 d/yr
Annual snowfall
102.5 cm
Average feels-like high
3.9 °C
Average feels-like low
-1.6 °C
Average peak gust
38.5 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.37 · 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
29.8 °C
4 August 2014
Coldest day
-33.1 °C
10 January 1987
Wettest day
76 mm
6 August 1967
Windiest day
59.3 km/h
26 December 2011
Strongest gust
113.0 km/h
26 December 2011
Hottest feels-like
31.6 °C
28 June 2022
Coldest feels-like
-39.9 °C
10 January 1987
Snowiest day
17.6 cm
18 December 1966
Sunniest day
18.8 h
15 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 | 1.0 °C | +3.6 °C | 55 mm | +11 mm |
| Feb | -0.1 °C | +3.1 °C | 13 mm | -20 mm |
| Mar | 4.6 °C | +4.3 °C | 23 mm | -10 mm |
| Apr | 8.0 °C | +2.3 °C | 53 mm | +14 mm |
| May | 11.1 °C | -0.5 °C | 51 mm | +9 mm |
| Jun | 15.5 °C | -0.4 °C | 65 mm | +12 mm |
| Jul | 22.9 °C | +3.7 °C | 68 mm | -8 mm |
| Aug | 17.9 °C | -0.4 °C | 100 mm | +14 mm |
| Sep | 16.6 °C | +2.9 °C | 95 mm | +24 mm |
| Oct | 9.6 °C | +1.9 °C | 65 mm | +4 mm |
| Nov | 5.6 °C | +2.7 °C | 67 mm | +7 mm |
| Dec | 4.3 °C | +4.5 °C | 72 mm | +18 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 Noormarkku?
Noormarkku has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.0 °C and it receives 650 mm of precipitation per year.
What is the hottest day ever recorded in Noormarkku?
The hottest day measured in Noormarkku between 1940 and 2025 was 4 August 2014, reaching 29.8 °C.
What is the coldest day in Noormarkku?
The coldest day measured in Noormarkku between 1940 and 2025 was 10 January 1987, at -33.1 °C.
Does it snow in Noormarkku?
Yes. Noormarkku gets on average 102.5 cm of snow per year and has around 134 frost days.
Has the climate of Noormarkku warmed?
Yes: Noormarkku warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Noormarkku?
The wettest day measured in Noormarkku between 1940 and 2025 was 6 August 1967, with 76 mm of rain in 24 hours.
What was the windiest day in Noormarkku?
The windiest day measured in Noormarkku between 1940 and 2025 was 26 December 2011, with winds reaching 59.3 km/h.
What is the warmest month in Noormarkku?
The warmest month in Noormarkku is July (16.4 °C on average); the coldest is February (-5.4 °C).
How much does it rain in Noormarkku?
Noormarkku receives on average 650 mm of precipitation per year, spread over about 128 rainy days.
Is it sunny in Noormarkku?
Noormarkku gets on average 7.7 hours of sunshine per day, roughly 2,811 hours per year over 1940-2025.
What is the biggest single-day snowfall in Noormarkku?
The heaviest 24-hour snowfall measured in Noormarkku between 1940 and 2025 was 18 December 1966, with 17.6 cm.
Are there tropical nights in Noormarkku?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Noormarkku.
What was the most extreme apparent temperature in Noormarkku?
In Noormarkku, between 1940 and 2025, the highest apparent temperature reached 31.6 °C on 28 June 2022, and the lowest was -39.9 °C on 10 January 1987.
Compare Noormarkku with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Noormarkku