Olpe climate — normals and trends
Olpe (Germany) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.0 °C and it receives 1,178 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 (16.3 °C on average) and the coldest is January (-0.4 °C). Rainfall peaks in December.
Olpe averages 79 frost days, 2 hot days (≥ 30 °C) and 178 rainy days per year.
Olpe has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 96 to 62 per year over the period.
The hottest day of the period reached 35.8 °C (on 25 July 2019) and the coldest -25.0 °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
OlpeNorth Rhine-Westphalia
- coords
- 51.03°, 7.85°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.0°C
Average daily high
11.3°C
Average daily low
5.0°C
Annual rainfall
1,178mm
Sunshine / day
7.3h
Mean relative humidity
83%
Average peak wind
17.9km/h
Seasonal range
16.7°C
Frost days (< 0 °C)
79 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
178 d/yr
Annual snowfall
104.2 cm
Average feels-like high
8.7 °C
Average feels-like low
1.8 °C
Average peak gust
38.3 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °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
35.8 °C
25 July 2019
Coldest day
-25.0 °C
13 February 1940
Wettest day
78 mm
14 July 2021
Windiest day
55.7 km/h
18 January 2007
Strongest gust
130.7 km/h
24 November 1984
Hottest feels-like
37.4 °C
25 July 2019
Coldest feels-like
-30.0 °C
13 February 1940
Snowiest day
21.0 cm
1 February 1953
Sunniest day
15.4 h
30 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 | 3.1 °C | +1.5 °C | 187 mm | +74 mm |
| Feb | 4.7 °C | +1.8 °C | 37 mm | -56 mm |
| Mar | 11.6 °C | +4.6 °C | 21 mm | -73 mm |
| Apr | 15.4 °C | +4.0 °C | 82 mm | -0 mm |
| May | 18.5 °C | +2.7 °C | 78 mm | -14 mm |
| Jun | 22.7 °C | +4.0 °C | 92 mm | -7 mm |
| Jul | 22.8 °C | +2.4 °C | 101 mm | -6 mm |
| Aug | 23.7 °C | +3.6 °C | 47 mm | -52 mm |
| Sep | 18.0 °C | +1.3 °C | 101 mm | +11 mm |
| Oct | 11.6 °C | -0.2 °C | 138 mm | +50 mm |
| Nov | 7.8 °C | +1.7 °C | 63 mm | -40 mm |
| Dec | 5.8 °C | +2.9 °C | 47 mm | -73 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 Olpe?
Olpe has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.0 °C and it receives 1,178 mm of precipitation per year.
What is the hottest day ever recorded in Olpe?
The hottest day measured in Olpe between 1940 and 2025 was 25 July 2019, reaching 35.8 °C.
What is the coldest day in Olpe?
The coldest day measured in Olpe between 1940 and 2025 was 13 February 1940, at -25.0 °C.
Does it snow in Olpe?
Yes. Olpe gets on average 104.2 cm of snow per year and has around 79 frost days.
Has the climate of Olpe warmed?
Yes: Olpe warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Olpe?
The wettest day measured in Olpe between 1940 and 2025 was 14 July 2021, with 78 mm of rain in 24 hours.
What was the windiest day in Olpe?
The windiest day measured in Olpe between 1940 and 2025 was 18 January 2007, with winds reaching 55.7 km/h.
What is the warmest month in Olpe?
The warmest month in Olpe is July (16.3 °C on average); the coldest is January (-0.4 °C).
How much does it rain in Olpe?
Olpe receives on average 1,178 mm of precipitation per year, spread over about 178 rainy days.
Is it sunny in Olpe?
Olpe gets on average 7.3 hours of sunshine per day, roughly 2,665 hours per year over 1940-2025.
What is the biggest single-day snowfall in Olpe?
The heaviest 24-hour snowfall measured in Olpe between 1940 and 2025 was 1 February 1953, with 21.0 cm.
Are there tropical nights in Olpe?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Olpe.
What was the most extreme apparent temperature in Olpe?
In Olpe, between 1940 and 2025, the highest apparent temperature reached 37.4 °C on 25 July 2019, and the lowest was -30.0 °C on 13 February 1940.
Compare Olpe with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Olpe