Holbæk climate — normals and trends
Holbæk (Denmark) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.3 °C and it receives 624 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 (17.0 °C on average) and the coldest is February (0.2 °C). Rainfall peaks in July.
Holbæk averages 76 frost days, 0 hot days (≥ 30 °C) and 130 rainy days per year.
Holbæk 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 98 to 54 per year over the period.
The hottest day of the period reached 33.2 °C (on 9 August 1975) and the coldest -25.0 °C (on 26 January 1942).
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
HolbækZealand
- coords
- 55.72°, 11.71°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.3°C
Average daily high
11.1°C
Average daily low
5.3°C
Annual rainfall
624mm
Sunshine / day
8.0h
Mean relative humidity
81%
Average peak wind
23.1km/h
Seasonal range
16.8°C
Frost days (< 0 °C)
76 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
130 d/yr
Annual snowfall
46.2 cm
Average feels-like high
7.9 °C
Average feels-like low
1.7 °C
Average peak gust
42.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.2 °C per decade · r² = 0.38 · 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
33.2 °C
9 August 1975
Coldest day
-25.0 °C
26 January 1942
Wettest day
62 mm
22 September 1967
Windiest day
71.2 km/h
8 January 2005
Strongest gust
130.0 km/h
28 October 2013
Hottest feels-like
34.5 °C
10 August 1975
Coldest feels-like
-30.1 °C
26 January 1942
Snowiest day
18.8 cm
10 April 1970
Sunniest day
16.8 h
28 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 | 4.5 °C | +2.5 °C | 51 mm | +4 mm |
| Feb | 3.5 °C | +1.2 °C | 12 mm | -25 mm |
| Mar | 9.5 °C | +4.1 °C | 19 mm | -21 mm |
| Apr | 13.5 °C | +3.3 °C | 15 mm | -26 mm |
| May | 15.3 °C | +0.2 °C | 38 mm | -14 mm |
| Jun | 19.6 °C | +1.0 °C | 82 mm | +20 mm |
| Jul | 21.9 °C | +1.3 °C | 162 mm | +91 mm |
| Aug | 20.7 °C | +0.3 °C | 49 mm | -21 mm |
| Sep | 18.8 °C | +2.0 °C | 57 mm | +2 mm |
| Oct | 12.7 °C | +0.8 °C | 89 mm | +38 mm |
| Nov | 7.8 °C | +1.0 °C | 36 mm | -14 mm |
| Dec | 6.5 °C | +2.8 °C | 31 mm | -19 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 Holbæk?
Holbæk has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 8.3 °C and it receives 624 mm of precipitation per year.
What is the hottest day ever recorded in Holbæk?
The hottest day measured in Holbæk between 1940 and 2025 was 9 August 1975, reaching 33.2 °C.
What is the coldest day in Holbæk?
The coldest day measured in Holbæk between 1940 and 2025 was 26 January 1942, at -25.0 °C.
Does it snow in Holbæk?
Yes. Holbæk gets on average 46.2 cm of snow per year and has around 76 frost days.
Has the climate of Holbæk warmed?
Yes: Holbæk warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Holbæk?
The wettest day measured in Holbæk between 1940 and 2025 was 22 September 1967, with 62 mm of rain in 24 hours.
What was the windiest day in Holbæk?
The windiest day measured in Holbæk between 1940 and 2025 was 8 January 2005, with winds reaching 71.2 km/h.
What is the warmest month in Holbæk?
The warmest month in Holbæk is July (17.0 °C on average); the coldest is February (0.2 °C).
How much does it rain in Holbæk?
Holbæk receives on average 624 mm of precipitation per year, spread over about 130 rainy days.
Is it sunny in Holbæk?
Holbæk gets on average 8.0 hours of sunshine per day, roughly 2,920 hours per year over 1940-2025.
What is the biggest single-day snowfall in Holbæk?
The heaviest 24-hour snowfall measured in Holbæk between 1940 and 2025 was 10 April 1970, with 18.8 cm.
Are there tropical nights in Holbæk?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Holbæk.
What was the most extreme apparent temperature in Holbæk?
In Holbæk, between 1940 and 2025, the highest apparent temperature reached 34.5 °C on 10 August 1975, and the lowest was -30.1 °C on 26 January 1942.
Compare Holbæk with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Holbæk