Northeim climate — normals and trends
Northeim (Germany) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.5 °C and it receives 778 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 (17.1 °C on average) and the coldest is January (-0.2 °C). Rainfall peaks in July.
Northeim averages 77 frost days, 3 hot days (≥ 30 °C) and 154 rainy days per year.
Northeim has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The number of frost days there went from about 93 to 61 per year over the period.
The hottest day of the period reached 36.9 °C (on 20 July 2022) and the coldest -29.8 °C (on 27 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
NortheimLower Saxony
- coords
- 51.71°, 10.00°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.5°C
Average daily high
12.0°C
Average daily low
5.1°C
Annual rainfall
778mm
Sunshine / day
7.0h
Mean relative humidity
80%
Average peak wind
16.6km/h
Seasonal range
17.3°C
Frost days (< 0 °C)
77 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
154 d/yr
Annual snowfall
57.6 cm
Average feels-like high
9.4 °C
Average feels-like low
2.2 °C
Average peak gust
36.4 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
+2.2 °C
since 1940
+0.3 °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
36.9 °C
20 July 2022
Coldest day
-29.8 °C
27 January 1942
Wettest day
54 mm
4 June 1958
Windiest day
50.1 km/h
13 November 1972
Strongest gust
122.0 km/h
18 January 2007
Hottest feels-like
38.8 °C
14 August 2025
Coldest feels-like
-34.8 °C
27 January 1942
Snowiest day
16.8 cm
2 March 1987
Sunniest day
15.8 h
21 June 2025
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 | 4.2 °C | +2.3 °C | 108 mm | +44 mm |
| Feb | 4.4 °C | +1.2 °C | 25 mm | -31 mm |
| Mar | 11.9 °C | +4.6 °C | 11 mm | -49 mm |
| Apr | 16.0 °C | +3.9 °C | 38 mm | -20 mm |
| May | 18.6 °C | +2.0 °C | 55 mm | -14 mm |
| Jun | 23.5 °C | +3.8 °C | 59 mm | -16 mm |
| Jul | 23.4 °C | +1.9 °C | 85 mm | +9 mm |
| Aug | 24.3 °C | +2.9 °C | 51 mm | -19 mm |
| Sep | 19.7 °C | +2.0 °C | 54 mm | -4 mm |
| Oct | 12.5 °C | 0.0 °C | 79 mm | +22 mm |
| Nov | 8.0 °C | +1.4 °C | 47 mm | -18 mm |
| Dec | 5.9 °C | +2.7 °C | 29 mm | -42 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 Northeim?
Northeim has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.5 °C and it receives 778 mm of precipitation per year.
What is the hottest day ever recorded in Northeim?
The hottest day measured in Northeim between 1940 and 2025 was 20 July 2022, reaching 36.9 °C.
What is the coldest day in Northeim?
The coldest day measured in Northeim between 1940 and 2025 was 27 January 1942, at -29.8 °C.
Does it snow in Northeim?
Yes. Northeim gets on average 57.6 cm of snow per year and has around 77 frost days.
Has the climate of Northeim warmed?
Yes: Northeim warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Northeim?
The wettest day measured in Northeim between 1940 and 2025 was 4 June 1958, with 54 mm of rain in 24 hours.
What was the windiest day in Northeim?
The windiest day measured in Northeim between 1940 and 2025 was 13 November 1972, with winds reaching 50.1 km/h.
What is the warmest month in Northeim?
The warmest month in Northeim is July (17.1 °C on average); the coldest is January (-0.2 °C).
How much does it rain in Northeim?
Northeim receives on average 778 mm of precipitation per year, spread over about 154 rainy days.
Is it sunny in Northeim?
Northeim gets on average 7.0 hours of sunshine per day, roughly 2,555 hours per year over 1940-2025.
What is the biggest single-day snowfall in Northeim?
The heaviest 24-hour snowfall measured in Northeim between 1940 and 2025 was 2 March 1987, with 16.8 cm.
Are there tropical nights in Northeim?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Northeim.
What was the most extreme apparent temperature in Northeim?
In Northeim, between 1940 and 2025, the highest apparent temperature reached 38.8 °C on 14 August 2025, and the lowest was -34.8 °C on 27 January 1942.
Compare Northeim with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Northeim