Andernach climate — normals and trends
Andernach (Germany) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.3 °C and it receives 759 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 (17.7 °C on average) and the coldest is January (0.9 °C). Rainfall peaks in July.
Andernach averages 65 frost days, 4 hot days (≥ 30 °C) and 148 rainy days per year.
Andernach has warmed by +2.2 °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 82 to 48 per year over the period.
The hottest day of the period reached 38.2 °C (on 25 July 2019) and the coldest -25.6 °C (on 18 January 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
AndernachRhineland-Palatinate
- coords
- 50.43°, 7.40°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.3°C
Average daily high
12.8°C
Average daily low
5.9°C
Annual rainfall
759mm
Sunshine / day
7.5h
Mean relative humidity
79%
Average peak wind
16.2km/h
Seasonal range
16.8°C
Frost days (< 0 °C)
65 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
148 d/yr
Annual snowfall
36.1 cm
Average feels-like high
10.4 °C
Average feels-like low
3.2 °C
Average peak gust
35.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.7 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
38.2 °C
25 July 2019
Coldest day
-25.6 °C
18 January 1940
Wettest day
62 mm
14 July 2021
Windiest day
50.4 km/h
1 March 1990
Strongest gust
121.7 km/h
18 January 2007
Hottest feels-like
39.4 °C
6 July 1957
Coldest feels-like
-31.4 °C
18 January 1940
Snowiest day
13.4 cm
17 November 1972
Sunniest day
15.2 h
26 June 2001
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 | 5.0 °C | +2.0 °C | 118 mm | +58 mm |
| Feb | 5.6 °C | +1.1 °C | 34 mm | -20 mm |
| Mar | 12.7 °C | +4.0 °C | 10 mm | -49 mm |
| Apr | 16.4 °C | +3.5 °C | 45 mm | -10 mm |
| May | 20.1 °C | +2.9 °C | 46 mm | -22 mm |
| Jun | 25.0 °C | +4.7 °C | 50 mm | -20 mm |
| Jul | 24.7 °C | +2.6 °C | 88 mm | +17 mm |
| Aug | 25.7 °C | +3.8 °C | 34 mm | -34 mm |
| Sep | 19.3 °C | +1.0 °C | 103 mm | +42 mm |
| Oct | 13.1 °C | -0.1 °C | 77 mm | +19 mm |
| Nov | 9.1 °C | +1.7 °C | 44 mm | -22 mm |
| Dec | 6.7 °C | +2.5 °C | 32 mm | -37 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 Andernach?
Andernach has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.3 °C and it receives 759 mm of precipitation per year.
What is the hottest day ever recorded in Andernach?
The hottest day measured in Andernach between 1940 and 2025 was 25 July 2019, reaching 38.2 °C.
What is the coldest day in Andernach?
The coldest day measured in Andernach between 1940 and 2025 was 18 January 1940, at -25.6 °C.
Does it snow in Andernach?
Yes. Andernach gets on average 36.1 cm of snow per year and has around 65 frost days.
Has the climate of Andernach warmed?
Yes: Andernach warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Andernach?
The wettest day measured in Andernach between 1940 and 2025 was 14 July 2021, with 62 mm of rain in 24 hours.
What was the windiest day in Andernach?
The windiest day measured in Andernach between 1940 and 2025 was 1 March 1990, with winds reaching 50.4 km/h.
What is the warmest month in Andernach?
The warmest month in Andernach is July (17.7 °C on average); the coldest is January (0.9 °C).
How much does it rain in Andernach?
Andernach receives on average 759 mm of precipitation per year, spread over about 148 rainy days.
Is it sunny in Andernach?
Andernach 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 Andernach?
The heaviest 24-hour snowfall measured in Andernach between 1940 and 2025 was 17 November 1972, with 13.4 cm.
Are there tropical nights in Andernach?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Andernach.
What was the most extreme apparent temperature in Andernach?
In Andernach, between 1940 and 2025, the highest apparent temperature reached 39.4 °C on 6 July 1957, and the lowest was -31.4 °C on 18 January 1940.
Compare Andernach with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Andernach