Nørresundby climate — normals and trends
Nørresundby (Denmark) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.1 °C and it receives 705 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 (16.5 °C on average) and the coldest is February (0.3 °C). Rainfall peaks in August.
Nørresundby averages 78 frost days, 0 hot days (≥ 30 °C) and 134 rainy days per year.
Nørresundby 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 96 to 60 per year over the period.
The hottest day of the period reached 33.1 °C (on 10 August 1975) and the coldest -20.6 °C (on 5 February 1941).
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
NørresundbyNorth Denmark
- coords
- 57.06°, 9.92°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.1°C
Average daily high
11.0°C
Average daily low
5.1°C
Annual rainfall
705mm
Sunshine / day
8.0h
Mean relative humidity
81%
Average peak wind
20.9km/h
Seasonal range
16.2°C
Frost days (< 0 °C)
78 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
134 d/yr
Annual snowfall
57.9 cm
Average feels-like high
8.0 °C
Average feels-like low
1.7 °C
Average peak gust
41.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.31 · 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
33.1 °C
10 August 1975
Coldest day
-20.6 °C
5 February 1941
Wettest day
54 mm
4 August 2008
Windiest day
65.5 km/h
8 January 2005
Strongest gust
145.4 km/h
8 January 2005
Hottest feels-like
34.3 °C
10 August 1975
Coldest feels-like
-27.0 °C
25 January 1942
Snowiest day
19.0 cm
11 February 1952
Sunniest day
17.0 h
5 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 | +2.2 °C | 78 mm | +23 mm |
| Feb | 3.9 °C | +1.4 °C | 20 mm | -24 mm |
| Mar | 9.2 °C | +3.8 °C | 26 mm | -19 mm |
| Apr | 13.1 °C | +3.1 °C | 30 mm | -16 mm |
| May | 15.2 °C | +0.4 °C | 30 mm | -26 mm |
| Jun | 18.4 °C | +0.1 °C | 89 mm | +24 mm |
| Jul | 22.2 °C | +2.0 °C | 97 mm | +22 mm |
| Aug | 20.3 °C | +0.5 °C | 53 mm | -24 mm |
| Sep | 18.1 °C | +1.8 °C | 51 mm | -12 mm |
| Oct | 12.7 °C | +1.0 °C | 105 mm | +39 mm |
| Nov | 7.7 °C | +0.8 °C | 53 mm | -6 mm |
| Dec | 6.7 °C | +2.8 °C | 56 mm | +1 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 Nørresundby?
Nørresundby has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 8.1 °C and it receives 705 mm of precipitation per year.
What is the hottest day ever recorded in Nørresundby?
The hottest day measured in Nørresundby between 1940 and 2025 was 10 August 1975, reaching 33.1 °C.
What is the coldest day in Nørresundby?
The coldest day measured in Nørresundby between 1940 and 2025 was 5 February 1941, at -20.6 °C.
Does it snow in Nørresundby?
Yes. Nørresundby gets on average 57.9 cm of snow per year and has around 78 frost days.
Has the climate of Nørresundby warmed?
Yes: Nørresundby warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nørresundby?
The wettest day measured in Nørresundby between 1940 and 2025 was 4 August 2008, with 54 mm of rain in 24 hours.
What was the windiest day in Nørresundby?
The windiest day measured in Nørresundby between 1940 and 2025 was 8 January 2005, with winds reaching 65.5 km/h.
What is the warmest month in Nørresundby?
The warmest month in Nørresundby is July (16.5 °C on average); the coldest is February (0.3 °C).
How much does it rain in Nørresundby?
Nørresundby receives on average 705 mm of precipitation per year, spread over about 134 rainy days.
Is it sunny in Nørresundby?
Nørresundby 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 Nørresundby?
The heaviest 24-hour snowfall measured in Nørresundby between 1940 and 2025 was 11 February 1952, with 19.0 cm.
Are there tropical nights in Nørresundby?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Nørresundby.
What was the most extreme apparent temperature in Nørresundby?
In Nørresundby, between 1940 and 2025, the highest apparent temperature reached 34.3 °C on 10 August 1975, and the lowest was -27.0 °C on 25 January 1942.
Compare Nørresundby with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nørresundby