Heide climate — normals and trends
Heide (Germany) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.8 °C and it receives 785 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 (1.1 °C). Rainfall peaks in August.
Heide averages 62 frost days, 1 hot days (≥ 30 °C) and 152 rainy days per year.
Heide 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 80 to 44 per year over the period.
The hottest day of the period reached 34.3 °C (on 12 July 1941) and the coldest -23.1 °C (on 13 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
HeideSchleswig-Holstein
- coords
- 54.20°, 9.10°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.8°C
Average daily high
11.7°C
Average daily low
5.9°C
Annual rainfall
785mm
Sunshine / day
7.5h
Mean relative humidity
82%
Average peak wind
22.5km/h
Seasonal range
15.6°C
Frost days (< 0 °C)
62 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
152 d/yr
Annual snowfall
30.9 cm
Average feels-like high
8.8 °C
Average feels-like low
2.4 °C
Average peak gust
42.1 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.2 °C per decade · r² = 0.40 · 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
34.3 °C
12 July 1941
Coldest day
-23.1 °C
13 February 1940
Wettest day
58 mm
18 July 2002
Windiest day
72.5 km/h
3 December 1999
Strongest gust
130.7 km/h
3 December 1999
Hottest feels-like
35.7 °C
8 July 1941
Coldest feels-like
-28.5 °C
13 February 1940
Snowiest day
15.8 cm
19 March 2001
Sunniest day
16.9 h
29 June 2018
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 | 4.9 °C | +2.0 °C | 74 mm | +10 mm |
| Feb | 4.6 °C | +1.2 °C | 16 mm | -33 mm |
| Mar | 10.4 °C | +3.8 °C | 12 mm | -42 mm |
| Apr | 13.9 °C | +2.9 °C | 35 mm | -15 mm |
| May | 16.9 °C | +1.4 °C | 44 mm | -16 mm |
| Jun | 20.0 °C | +1.5 °C | 92 mm | +23 mm |
| Jul | 21.5 °C | +1.3 °C | 123 mm | +41 mm |
| Aug | 21.7 °C | +1.3 °C | 45 mm | -38 mm |
| Sep | 18.9 °C | +1.7 °C | 59 mm | -12 mm |
| Oct | 13.4 °C | +0.7 °C | 123 mm | +51 mm |
| Nov | 8.4 °C | +0.8 °C | 61 mm | -7 mm |
| Dec | 6.9 °C | +2.4 °C | 30 mm | -35 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 Heide?
Heide has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 8.8 °C and it receives 785 mm of precipitation per year.
What is the hottest day ever recorded in Heide?
The hottest day measured in Heide between 1940 and 2025 was 12 July 1941, reaching 34.3 °C.
What is the coldest day in Heide?
The coldest day measured in Heide between 1940 and 2025 was 13 February 1940, at -23.1 °C.
Does it snow in Heide?
Yes. Heide gets on average 30.9 cm of snow per year and has around 62 frost days.
Has the climate of Heide warmed?
Yes: Heide warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Heide?
The wettest day measured in Heide between 1940 and 2025 was 18 July 2002, with 58 mm of rain in 24 hours.
What was the windiest day in Heide?
The windiest day measured in Heide between 1940 and 2025 was 3 December 1999, with winds reaching 72.5 km/h.
What is the warmest month in Heide?
The warmest month in Heide is July (16.7 °C on average); the coldest is January (1.1 °C).
How much does it rain in Heide?
Heide receives on average 785 mm of precipitation per year, spread over about 152 rainy days.
Is it sunny in Heide?
Heide gets on average 7.5 hours of sunshine per day, roughly 2,738 hours per year over 1940-2025.
What is the biggest single-day snowfall in Heide?
The heaviest 24-hour snowfall measured in Heide between 1940 and 2025 was 19 March 2001, with 15.8 cm.
Are there tropical nights in Heide?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Heide.
What was the most extreme apparent temperature in Heide?
In Heide, between 1940 and 2025, the highest apparent temperature reached 35.7 °C on 8 July 1941, and the lowest was -28.5 °C on 13 February 1940.
Compare Heide with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Heide