Frederikshavn climate — normals and trends
Frederikshavn (Denmark) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.4 °C and it receives 746 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 (16.3 °C on average) and the coldest is February (1.2 °C). Rainfall peaks in October.
Frederikshavn averages 37 frost days, 0 hot days (≥ 30 °C) and 133 rainy days per year.
Frederikshavn has warmed by +2.0 °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 56 to 18 per year over the period.
The hottest day of the period reached 23.8 °C (on 31 July 2018) and the coldest -14.5 °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
FrederikshavnNorth Denmark
- coords
- 57.44°, 10.54°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.4°C
Average daily high
9.5°C
Average daily low
7.4°C
Annual rainfall
746mm
Sunshine / day
8.4h
Mean relative humidity
82%
Average peak wind
32.5km/h
Seasonal range
15.1°C
Frost days (< 0 °C)
37 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
133 d/yr
Annual snowfall
59.2 cm
Average feels-like high
5.8 °C
Average feels-like low
2.3 °C
Average peak gust
44.3 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
11.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.42 · 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
23.8 °C
31 July 2018
Coldest day
-14.5 °C
10 January 1987
Wettest day
58 mm
19 July 1987
Windiest day
88.3 km/h
8 January 2005
Strongest gust
128.2 km/h
8 January 2005
Hottest feels-like
26.9 °C
20 July 2025
Coldest feels-like
-24.8 °C
25 January 1942
Snowiest day
17.6 cm
11 April 1959
Sunniest day
17.1 h
14 June 2009
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 | 5.1 °C | +2.3 °C | 89 mm | +24 mm |
| Feb | 3.3 °C | +1.0 °C | 40 mm | -8 mm |
| Mar | 6.4 °C | +2.8 °C | 37 mm | -8 mm |
| Apr | 9.5 °C | +2.8 °C | 35 mm | -8 mm |
| May | 12.6 °C | +1.5 °C | 52 mm | +6 mm |
| Jun | 15.4 °C | +0.3 °C | 59 mm | +6 mm |
| Jul | 19.3 °C | +2.0 °C | 56 mm | -4 mm |
| Aug | 17.8 °C | +0.4 °C | 36 mm | -37 mm |
| Sep | 16.5 °C | +1.6 °C | 65 mm | -10 mm |
| Oct | 12.4 °C | +1.2 °C | 115 mm | +27 mm |
| Nov | 8.5 °C | +1.1 °C | 67 mm | -16 mm |
| Dec | 7.5 °C | +3.0 °C | 86 mm | +18 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 Frederikshavn?
Frederikshavn has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 8.4 °C and it receives 746 mm of precipitation per year.
What is the hottest day ever recorded in Frederikshavn?
The hottest day measured in Frederikshavn between 1940 and 2025 was 31 July 2018, reaching 23.8 °C.
What is the coldest day in Frederikshavn?
The coldest day measured in Frederikshavn between 1940 and 2025 was 10 January 1987, at -14.5 °C.
Does it snow in Frederikshavn?
Yes. Frederikshavn gets on average 59.2 cm of snow per year and has around 37 frost days.
Has the climate of Frederikshavn warmed?
Yes: Frederikshavn warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Frederikshavn?
The wettest day measured in Frederikshavn between 1940 and 2025 was 19 July 1987, with 58 mm of rain in 24 hours.
What was the windiest day in Frederikshavn?
The windiest day measured in Frederikshavn between 1940 and 2025 was 8 January 2005, with winds reaching 88.3 km/h.
What is the warmest month in Frederikshavn?
The warmest month in Frederikshavn is August (16.3 °C on average); the coldest is February (1.2 °C).
How much does it rain in Frederikshavn?
Frederikshavn receives on average 746 mm of precipitation per year, spread over about 133 rainy days.
Is it sunny in Frederikshavn?
Frederikshavn gets on average 8.4 hours of sunshine per day, roughly 3,066 hours per year over 1940-2025.
What is the biggest single-day snowfall in Frederikshavn?
The heaviest 24-hour snowfall measured in Frederikshavn between 1940 and 2025 was 11 April 1959, with 17.6 cm.
Are there tropical nights in Frederikshavn?
Yes: Frederikshavn has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Frederikshavn?
In Frederikshavn, between 1940 and 2025, the highest apparent temperature reached 26.9 °C on 20 July 2025, and the lowest was -24.8 °C on 25 January 1942.
Compare Frederikshavn with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Frederikshavn