Umeå climate — normals and trends
Umeå (Sweden) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 3.6 °C and it receives 678 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 (15.3 °C on average) and the coldest is February (-6.8 °C). Rainfall peaks in August.
Umeå averages 158 frost days, 0 hot days (≥ 30 °C) and 125 rainy days per year.
Umeå has warmed by +2.1 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 172 to 144 per year over the period.
The hottest day of the period reached 27.1 °C (on 23 July 2025) and the coldest -31.0 °C (on 7 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
UmeåVästerbotten County
- coords
- 63.83°, 20.26°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.6°C
Average daily high
5.7°C
Average daily low
1.3°C
Annual rainfall
678mm
Sunshine / day
7.7h
Mean relative humidity
81%
Average peak wind
22.2km/h
Seasonal range
22.1°C
Frost days (< 0 °C)
158 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
125 d/yr
Annual snowfall
153.9 cm
Average feels-like high
1.8 °C
Average feels-like low
-2.9 °C
Average peak gust
34.8 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
+0.2 °C per decade · r² = 0.30 · 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
27.1 °C
23 July 2025
Coldest day
-31.0 °C
7 January 1987
Wettest day
61 mm
6 August 1967
Windiest day
61.2 km/h
23 March 1986
Strongest gust
101.5 km/h
2 November 2020
Hottest feels-like
27.9 °C
23 July 2025
Coldest feels-like
-37.0 °C
7 January 1987
Snowiest day
28.2 cm
18 December 1966
Sunniest day
19.2 h
18 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 | -1.6 °C | +2.4 °C | 82 mm | +33 mm |
| Feb | -1.6 °C | +3.1 °C | 27 mm | -9 mm |
| Mar | 2.8 °C | +4.1 °C | 12 mm | -24 mm |
| Apr | 6.4 °C | +3.1 °C | 13 mm | -24 mm |
| May | 8.7 °C | 0.0 °C | 52 mm | +11 mm |
| Jun | 13.7 °C | +0.3 °C | 82 mm | +31 mm |
| Jul | 21.0 °C | +3.5 °C | 71 mm | +2 mm |
| Aug | 17.3 °C | +0.6 °C | 89 mm | +5 mm |
| Sep | 14.5 °C | +2.2 °C | 114 mm | +42 mm |
| Oct | 8.9 °C | +2.6 °C | 107 mm | +38 mm |
| Nov | 2.1 °C | +0.6 °C | 52 mm | -19 mm |
| Dec | 2.0 °C | +3.3 °C | 98 mm | +36 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 Umeå?
Umeå has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 3.6 °C and it receives 678 mm of precipitation per year.
What is the hottest day ever recorded in Umeå?
The hottest day measured in Umeå between 1940 and 2025 was 23 July 2025, reaching 27.1 °C.
What is the coldest day in Umeå?
The coldest day measured in Umeå between 1940 and 2025 was 7 January 1987, at -31.0 °C.
Does it snow in Umeå?
Yes. Umeå gets on average 153.9 cm of snow per year and has around 158 frost days.
Has the climate of Umeå warmed?
Yes: Umeå warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Umeå?
The wettest day measured in Umeå between 1940 and 2025 was 6 August 1967, with 61 mm of rain in 24 hours.
What was the windiest day in Umeå?
The windiest day measured in Umeå between 1940 and 2025 was 23 March 1986, with winds reaching 61.2 km/h.
What is the warmest month in Umeå?
The warmest month in Umeå is July (15.3 °C on average); the coldest is February (-6.8 °C).
How much does it rain in Umeå?
Umeå receives on average 678 mm of precipitation per year, spread over about 125 rainy days.
Is it sunny in Umeå?
Umeå 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 Umeå?
The heaviest 24-hour snowfall measured in Umeå between 1940 and 2025 was 18 December 1966, with 28.2 cm.
Are there tropical nights in Umeå?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Umeå.
What was the most extreme apparent temperature in Umeå?
In Umeå, between 1940 and 2025, the highest apparent temperature reached 27.9 °C on 23 July 2025, and the lowest was -37.0 °C on 7 January 1987.
Compare Umeå with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Umeå