Halmstad climate — normals and trends
Halmstad (Sweden) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.6 °C and it receives 824 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 (16.8 °C on average) and the coldest is February (-1.0 °C). Rainfall peaks in August.
Halmstad averages 91 frost days, 1 hot days (≥ 30 °C) and 150 rainy days per year.
Halmstad has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 108 to 74 per year over the period.
The hottest day of the period reached 33.7 °C (on 9 August 1975) and the coldest -26.0 °C (on 10 February 1940).
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
HalmstadHalland County
- coords
- 56.67°, 12.86°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.6°C
Average daily high
10.7°C
Average daily low
4.5°C
Annual rainfall
824mm
Sunshine / day
7.9h
Mean relative humidity
81%
Average peak wind
19.8km/h
Seasonal range
17.8°C
Frost days (< 0 °C)
91 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
150 d/yr
Annual snowfall
63.2 cm
Average feels-like high
7.7 °C
Average feels-like low
1.1 °C
Average peak gust
41.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.31 · 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
9 August 1975
Coldest day
-26.0 °C
10 February 1940
Wettest day
56 mm
13 July 2014
Windiest day
67.5 km/h
8 January 2005
Strongest gust
148.7 km/h
8 January 2005
Hottest feels-like
35.1 °C
9 August 1975
Coldest feels-like
-31.4 °C
10 January 1987
Snowiest day
17.1 cm
20 January 1960
Sunniest day
17.0 h
23 June 2009
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 | 3.7 °C | +2.7 °C | 93 mm | +28 mm |
| Feb | 3.0 °C | +1.7 °C | 22 mm | -27 mm |
| Mar | 8.9 °C | +4.2 °C | 26 mm | -22 mm |
| Apr | 14.2 °C | +4.2 °C | 13 mm | -37 mm |
| May | 15.1 °C | -0.5 °C | 48 mm | -10 mm |
| Jun | 18.9 °C | 0.0 °C | 94 mm | +22 mm |
| Jul | 22.5 °C | +2.0 °C | 129 mm | +37 mm |
| Aug | 20.4 °C | +0.4 °C | 45 mm | -53 mm |
| Sep | 18.3 °C | +2.2 °C | 112 mm | +31 mm |
| Oct | 12.1 °C | +1.0 °C | 87 mm | +12 mm |
| Nov | 6.7 °C | +0.8 °C | 59 mm | -10 mm |
| Dec | 5.6 °C | +2.8 °C | 46 mm | -23 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 Halmstad?
Halmstad has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.6 °C and it receives 824 mm of precipitation per year.
What is the hottest day ever recorded in Halmstad?
The hottest day measured in Halmstad between 1940 and 2025 was 9 August 1975, reaching 33.7 °C.
What is the coldest day in Halmstad?
The coldest day measured in Halmstad between 1940 and 2025 was 10 February 1940, at -26.0 °C.
Does it snow in Halmstad?
Yes. Halmstad gets on average 63.2 cm of snow per year and has around 91 frost days.
Has the climate of Halmstad warmed?
Yes: Halmstad warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Halmstad?
The wettest day measured in Halmstad between 1940 and 2025 was 13 July 2014, with 56 mm of rain in 24 hours.
What was the windiest day in Halmstad?
The windiest day measured in Halmstad between 1940 and 2025 was 8 January 2005, with winds reaching 67.5 km/h.
What is the warmest month in Halmstad?
The warmest month in Halmstad is July (16.8 °C on average); the coldest is February (-1.0 °C).
How much does it rain in Halmstad?
Halmstad receives on average 824 mm of precipitation per year, spread over about 150 rainy days.
Is it sunny in Halmstad?
Halmstad gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.
What is the biggest single-day snowfall in Halmstad?
The heaviest 24-hour snowfall measured in Halmstad between 1940 and 2025 was 20 January 1960, with 17.1 cm.
Are there tropical nights in Halmstad?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Halmstad.
What was the most extreme apparent temperature in Halmstad?
In Halmstad, between 1940 and 2025, the highest apparent temperature reached 35.1 °C on 9 August 1975, and the lowest was -31.4 °C on 10 January 1987.
Compare Halmstad with another city
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Nearby cities
The climate around Halmstad