Haapsalu climate — normals and trends
Haapsalu (Estonia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 6.2 °C and it receives 709 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 August (17.1 °C on average) and the coldest is February (-3.3 °C). Rainfall peaks in August.
Haapsalu averages 93 frost days, 0 hot days (≥ 30 °C) and 139 rainy days per year.
Haapsalu has warmed by +2.7 °C between 1940 and 2025, or +0.32 °C per decade. This trend is statistically significant.
The number of frost days there went from about 115 to 71 per year over the period.
The hottest day of the period reached 26.3 °C (on 4 August 2014) and the coldest -26.4 °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
HaapsaluLääne
- coords
- 58.94°, 23.54°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
6.2°C
Average daily high
7.4°C
Average daily low
5.1°C
Annual rainfall
709mm
Sunshine / day
7.8h
Mean relative humidity
83%
Average peak wind
31.8km/h
Seasonal range
20.4°C
Frost days (< 0 °C)
93 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
139 d/yr
Annual snowfall
98.5 cm
Average feels-like high
3.4 °C
Average feels-like low
-0.1 °C
Average peak gust
43.3 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
10.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.46 · 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
26.3 °C
4 August 2014
Coldest day
-26.4 °C
10 January 1987
Wettest day
53 mm
12 August 1972
Windiest day
87.7 km/h
6 August 1967
Strongest gust
122.0 km/h
23 January 1995
Hottest feels-like
29.6 °C
15 July 2021
Coldest feels-like
-35.7 °C
10 January 1987
Snowiest day
15.2 cm
9 March 1969
Sunniest day
17.1 h
17 June 1940
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 | 2.4 °C | +3.2 °C | 93 mm | +42 mm |
| Feb | -0.2 °C | +1.7 °C | 24 mm | -14 mm |
| Mar | 3.8 °C | +3.8 °C | 24 mm | -11 mm |
| Apr | 6.5 °C | +2.3 °C | 44 mm | +7 mm |
| May | 10.2 °C | +1.5 °C | 33 mm | -2 mm |
| Jun | 15.3 °C | +1.9 °C | 122 mm | +75 mm |
| Jul | 19.3 °C | +1.2 °C | 60 mm | -8 mm |
| Aug | 18.1 °C | 0.0 °C | 105 mm | +13 mm |
| Sep | 16.6 °C | +2.3 °C | 80 mm | -7 mm |
| Oct | 10.2 °C | +1.5 °C | 71 mm | -11 mm |
| Nov | 6.8 °C | +2.1 °C | 77 mm | +3 mm |
| Dec | 4.7 °C | +2.9 °C | 59 mm | -4 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 Haapsalu?
Haapsalu has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 6.2 °C and it receives 709 mm of precipitation per year.
What is the hottest day ever recorded in Haapsalu?
The hottest day measured in Haapsalu between 1940 and 2025 was 4 August 2014, reaching 26.3 °C.
What is the coldest day in Haapsalu?
The coldest day measured in Haapsalu between 1940 and 2025 was 10 January 1987, at -26.4 °C.
Does it snow in Haapsalu?
Yes. Haapsalu gets on average 98.5 cm of snow per year and has around 93 frost days.
Has the climate of Haapsalu warmed?
Yes: Haapsalu warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Haapsalu?
The wettest day measured in Haapsalu between 1940 and 2025 was 12 August 1972, with 53 mm of rain in 24 hours.
What was the windiest day in Haapsalu?
The windiest day measured in Haapsalu between 1940 and 2025 was 6 August 1967, with winds reaching 87.7 km/h.
What is the warmest month in Haapsalu?
The warmest month in Haapsalu is August (17.1 °C on average); the coldest is February (-3.3 °C).
How much does it rain in Haapsalu?
Haapsalu receives on average 709 mm of precipitation per year, spread over about 139 rainy days.
Is it sunny in Haapsalu?
Haapsalu gets on average 7.8 hours of sunshine per day, roughly 2,847 hours per year over 1940-2025.
What is the biggest single-day snowfall in Haapsalu?
The heaviest 24-hour snowfall measured in Haapsalu between 1940 and 2025 was 9 March 1969, with 15.2 cm.
Are there tropical nights in Haapsalu?
Yes: Haapsalu has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Haapsalu?
In Haapsalu, between 1940 and 2025, the highest apparent temperature reached 29.6 °C on 15 July 2021, and the lowest was -35.7 °C on 10 January 1987.
Compare Haapsalu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Haapsalu