Sankt Augustin climate — normals and trends
Sankt Augustin (Germany) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.7 °C and it receives 857 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 (18.0 °C on average) and the coldest is January (1.5 °C). Rainfall peaks in December.
Sankt Augustin averages 56 frost days, 5 hot days (≥ 30 °C) and 156 rainy days per year.
Sankt Augustin 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 72 to 40 per year over the period.
The hottest day of the period reached 39.6 °C (on 25 July 2019) and the coldest -24.2 °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
Sankt AugustinNorth Rhine-Westphalia
- coords
- 50.78°, 7.20°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.7°C
Average daily high
13.2°C
Average daily low
6.5°C
Annual rainfall
857mm
Sunshine / day
7.5h
Mean relative humidity
78%
Average peak wind
16.8km/h
Seasonal range
16.5°C
Frost days (< 0 °C)
56 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
156 d/yr
Annual snowfall
33.0 cm
Average feels-like high
10.9 °C
Average feels-like low
3.8 °C
Average peak gust
35.4 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.46 · 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
39.6 °C
25 July 2019
Coldest day
-24.2 °C
27 January 1942
Wettest day
90 mm
14 July 2021
Windiest day
54.4 km/h
1 March 1990
Strongest gust
121.3 km/h
18 January 2007
Hottest feels-like
40.1 °C
25 July 2019
Coldest feels-like
-29.3 °C
2 February 1956
Snowiest day
13.9 cm
1 February 1953
Sunniest day
15.3 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 | 5.3 °C | +1.7 °C | 135 mm | +63 mm |
| Feb | 6.2 °C | +1.2 °C | 32 mm | -32 mm |
| Mar | 13.0 °C | +3.9 °C | 9 mm | -59 mm |
| Apr | 16.8 °C | +3.6 °C | 53 mm | -7 mm |
| May | 20.2 °C | +2.7 °C | 66 mm | -4 mm |
| Jun | 24.8 °C | +4.3 °C | 67 mm | -8 mm |
| Jul | 24.8 °C | +2.5 °C | 76 mm | -2 mm |
| Aug | 25.6 °C | +3.5 °C | 40 mm | -36 mm |
| Sep | 19.7 °C | +1.1 °C | 108 mm | +39 mm |
| Oct | 13.4 °C | -0.3 °C | 95 mm | +28 mm |
| Nov | 9.7 °C | +1.8 °C | 60 mm | -18 mm |
| Dec | 7.3 °C | +2.5 °C | 47 mm | -36 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 Sankt Augustin?
Sankt Augustin has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.7 °C and it receives 857 mm of precipitation per year.
What is the hottest day ever recorded in Sankt Augustin?
The hottest day measured in Sankt Augustin between 1940 and 2025 was 25 July 2019, reaching 39.6 °C.
What is the coldest day in Sankt Augustin?
The coldest day measured in Sankt Augustin between 1940 and 2025 was 27 January 1942, at -24.2 °C.
Does it snow in Sankt Augustin?
Yes. Sankt Augustin gets on average 33.0 cm of snow per year and has around 56 frost days.
Has the climate of Sankt Augustin warmed?
Yes: Sankt Augustin warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sankt Augustin?
The wettest day measured in Sankt Augustin between 1940 and 2025 was 14 July 2021, with 90 mm of rain in 24 hours.
What was the windiest day in Sankt Augustin?
The windiest day measured in Sankt Augustin between 1940 and 2025 was 1 March 1990, with winds reaching 54.4 km/h.
What is the warmest month in Sankt Augustin?
The warmest month in Sankt Augustin is July (18.0 °C on average); the coldest is January (1.5 °C).
How much does it rain in Sankt Augustin?
Sankt Augustin receives on average 857 mm of precipitation per year, spread over about 156 rainy days.
Is it sunny in Sankt Augustin?
Sankt Augustin 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 Sankt Augustin?
The heaviest 24-hour snowfall measured in Sankt Augustin between 1940 and 2025 was 1 February 1953, with 13.9 cm.
Are there tropical nights in Sankt Augustin?
Yes: Sankt Augustin has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sankt Augustin?
In Sankt Augustin, between 1940 and 2025, the highest apparent temperature reached 40.1 °C on 25 July 2019, and the lowest was -29.3 °C on 2 February 1956.
Compare Sankt Augustin with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sankt Augustin