Hedemora climate — normals and trends
Hedemora (Sweden) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.4 °C and it receives 643 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 (16.7 °C on average) and the coldest is January (-5.0 °C). Rainfall peaks in July.
Hedemora averages 149 frost days, 1 hot days (≥ 30 °C) and 121 rainy days per year.
Hedemora has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 157 to 141 per year over the period.
The hottest day of the period reached 33.7 °C (on 7 August 1975) and the coldest -32.2 °C (on 18 February 1970).
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
HedemoraDalarna County
- coords
- 60.28°, 15.99°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.4°C
Average daily high
9.0°C
Average daily low
1.6°C
Annual rainfall
643mm
Sunshine / day
7.3h
Mean relative humidity
78%
Average peak wind
15.6km/h
Seasonal range
21.7°C
Frost days (< 0 °C)
149 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
121 d/yr
Annual snowfall
115.9 cm
Average feels-like high
5.9 °C
Average feels-like low
-1.8 °C
Average peak gust
35.1 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.23 · 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
33.7 °C
7 August 1975
Coldest day
-32.2 °C
18 February 1970
Wettest day
56 mm
17 August 1975
Windiest day
43.4 km/h
30 December 1988
Strongest gust
104.4 km/h
22 February 2020
Hottest feels-like
35.1 °C
7 August 1975
Coldest feels-like
-36.9 °C
19 February 1970
Snowiest day
18.0 cm
31 October 2006
Sunniest day
18.0 h
23 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 | -0.1 °C | +2.4 °C | 76 mm | +35 mm |
| Feb | 0.8 °C | +2.4 °C | 14 mm | -17 mm |
| Mar | 7.9 °C | +4.9 °C | 4 mm | -26 mm |
| Apr | 12.3 °C | +3.5 °C | 43 mm | +2 mm |
| May | 14.0 °C | -1.1 °C | 53 mm | +1 mm |
| Jun | 18.8 °C | -0.5 °C | 105 mm | +36 mm |
| Jul | 23.3 °C | +2.2 °C | 166 mm | +82 mm |
| Aug | 19.0 °C | -0.6 °C | 57 mm | -26 mm |
| Sep | 17.3 °C | +2.5 °C | 88 mm | +29 mm |
| Oct | 9.9 °C | +1.2 °C | 64 mm | +11 mm |
| Nov | 4.3 °C | +1.7 °C | 44 mm | -9 mm |
| Dec | 3.8 °C | +4.6 °C | 42 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 Hedemora?
Hedemora has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.4 °C and it receives 643 mm of precipitation per year.
What is the hottest day ever recorded in Hedemora?
The hottest day measured in Hedemora between 1940 and 2025 was 7 August 1975, reaching 33.7 °C.
What is the coldest day in Hedemora?
The coldest day measured in Hedemora between 1940 and 2025 was 18 February 1970, at -32.2 °C.
Does it snow in Hedemora?
Yes. Hedemora gets on average 115.9 cm of snow per year and has around 149 frost days.
Has the climate of Hedemora warmed?
Yes: Hedemora warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Hedemora?
The wettest day measured in Hedemora between 1940 and 2025 was 17 August 1975, with 56 mm of rain in 24 hours.
What was the windiest day in Hedemora?
The windiest day measured in Hedemora between 1940 and 2025 was 30 December 1988, with winds reaching 43.4 km/h.
What is the warmest month in Hedemora?
The warmest month in Hedemora is July (16.7 °C on average); the coldest is January (-5.0 °C).
How much does it rain in Hedemora?
Hedemora receives on average 643 mm of precipitation per year, spread over about 121 rainy days.
Is it sunny in Hedemora?
Hedemora gets on average 7.3 hours of sunshine per day, roughly 2,665 hours per year over 1940-2025.
What is the biggest single-day snowfall in Hedemora?
The heaviest 24-hour snowfall measured in Hedemora between 1940 and 2025 was 31 October 2006, with 18.0 cm.
Are there tropical nights in Hedemora?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Hedemora.
What was the most extreme apparent temperature in Hedemora?
In Hedemora, between 1940 and 2025, the highest apparent temperature reached 35.1 °C on 7 August 1975, and the lowest was -36.9 °C on 19 February 1970.
Compare Hedemora with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Hedemora