Raahe climate — normals and trends
Raahe (Finland) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 2.7 °C and it receives 570 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 (15.4 °C on average) and the coldest is February (-8.6 °C). Rainfall peaks in August.
Raahe averages 169 frost days, 0 hot days (≥ 30 °C) and 119 rainy days per year.
Raahe has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 182 to 156 per year over the period.
The hottest day of the period reached 28.5 °C (on 30 July 2018) and the coldest -34.4 °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
RaaheNorth Ostrobothnia
- coords
- 64.68°, 24.48°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
2.7°C
Average daily high
4.7°C
Average daily low
0.7°C
Annual rainfall
570mm
Sunshine / day
7.5h
Mean relative humidity
82%
Average peak wind
23.8km/h
Seasonal range
24.0°C
Frost days (< 0 °C)
169 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
119 d/yr
Annual snowfall
116.0 cm
Average feels-like high
0.7 °C
Average feels-like low
-3.9 °C
Average peak gust
35.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.27 · 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
28.5 °C
30 July 2018
Coldest day
-34.4 °C
8 January 1987
Wettest day
48 mm
27 August 1959
Windiest day
68.9 km/h
15 January 1982
Strongest gust
110.2 km/h
26 December 1992
Hottest feels-like
30.5 °C
30 July 2018
Coldest feels-like
-40.1 °C
8 January 1987
Snowiest day
16.7 cm
4 November 1968
Sunniest day
20.1 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 | -3.3 °C | +2.6 °C | 48 mm | +16 mm |
| Feb | -3.2 °C | +3.3 °C | 24 mm | -2 mm |
| Mar | 0.2 °C | +3.3 °C | 34 mm | +7 mm |
| Apr | 3.4 °C | +1.3 °C | 13 mm | -20 mm |
| May | 7.7 °C | +0.2 °C | 44 mm | +4 mm |
| Jun | 13.2 °C | +0.6 °C | 81 mm | +30 mm |
| Jul | 20.4 °C | +3.0 °C | 59 mm | -4 mm |
| Aug | 17.7 °C | +1.2 °C | 93 mm | +18 mm |
| Sep | 15.3 °C | +3.5 °C | 116 mm | +49 mm |
| Oct | 8.3 °C | +2.7 °C | 88 mm | +27 mm |
| Nov | 2.8 °C | +1.5 °C | 68 mm | +16 mm |
| Dec | 1.1 °C | +3.6 °C | 66 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 Raahe?
Raahe has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 2.7 °C and it receives 570 mm of precipitation per year.
What is the hottest day ever recorded in Raahe?
The hottest day measured in Raahe between 1940 and 2025 was 30 July 2018, reaching 28.5 °C.
What is the coldest day in Raahe?
The coldest day measured in Raahe between 1940 and 2025 was 8 January 1987, at -34.4 °C.
Does it snow in Raahe?
Yes. Raahe gets on average 116.0 cm of snow per year and has around 169 frost days.
Has the climate of Raahe warmed?
Yes: Raahe warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Raahe?
The wettest day measured in Raahe between 1940 and 2025 was 27 August 1959, with 48 mm of rain in 24 hours.
What was the windiest day in Raahe?
The windiest day measured in Raahe between 1940 and 2025 was 15 January 1982, with winds reaching 68.9 km/h.
What is the warmest month in Raahe?
The warmest month in Raahe is July (15.4 °C on average); the coldest is February (-8.6 °C).
How much does it rain in Raahe?
Raahe receives on average 570 mm of precipitation per year, spread over about 119 rainy days.
Is it sunny in Raahe?
Raahe gets on average 7.5 hours of sunshine per day, roughly 2,738 hours per year over 1940-2025.
What is the biggest single-day snowfall in Raahe?
The heaviest 24-hour snowfall measured in Raahe between 1940 and 2025 was 4 November 1968, with 16.7 cm.
Are there tropical nights in Raahe?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Raahe.
What was the most extreme apparent temperature in Raahe?
In Raahe, between 1940 and 2025, the highest apparent temperature reached 30.5 °C on 30 July 2018, and the lowest was -40.1 °C on 8 January 1987.
Compare Raahe with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Raahe