Westervoort climate — normals and trends
Westervoort (The Netherlands) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.9 °C and it receives 748 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 (2.3 °C). Rainfall peaks in July.
Westervoort averages 49 frost days, 3 hot days (≥ 30 °C) and 145 rainy days per year.
Westervoort has warmed by +2.0 °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 63 to 35 per year over the period.
The hottest day of the period reached 39.1 °C (on 25 July 2019) and the coldest -22.3 °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
WestervoortGelderland
- coords
- 51.96°, 5.97°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.9°C
Average daily high
13.3°C
Average daily low
6.7°C
Annual rainfall
748mm
Sunshine / day
7.5h
Mean relative humidity
80%
Average peak wind
19.2km/h
Seasonal range
15.4°C
Frost days (< 0 °C)
49 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
145 d/yr
Annual snowfall
19.9 cm
Average feels-like high
10.7 °C
Average feels-like low
3.8 °C
Average peak gust
38.2 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.45 · 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
39.1 °C
25 July 2019
Coldest day
-22.3 °C
27 January 1942
Wettest day
67 mm
12 August 1958
Windiest day
61.5 km/h
27 November 1983
Strongest gust
130.0 km/h
25 January 1990
Hottest feels-like
40.6 °C
25 July 2019
Coldest feels-like
-27.6 °C
27 January 1942
Snowiest day
16.7 cm
7 February 2021
Sunniest day
15.8 h
25 June 2023
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 | 5.2 °C | +0.9 °C | 99 mm | +38 mm |
| Feb | 6.6 °C | +1.2 °C | 36 mm | -17 mm |
| Mar | 12.9 °C | +3.9 °C | 8 mm | -49 mm |
| Apr | 17.0 °C | +3.9 °C | 44 mm | -7 mm |
| May | 19.9 °C | +2.6 °C | 41 mm | -22 mm |
| Jun | 23.3 °C | +3.2 °C | 73 mm | +5 mm |
| Jul | 23.7 °C | +2.0 °C | 102 mm | +25 mm |
| Aug | 24.2 °C | +2.6 °C | 33 mm | -37 mm |
| Sep | 19.5 °C | +1.0 °C | 91 mm | +33 mm |
| Oct | 14.3 °C | +0.3 °C | 96 mm | +38 mm |
| Nov | 10.1 °C | +1.5 °C | 59 mm | -6 mm |
| Dec | 8.0 °C | +2.5 °C | 28 mm | -38 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 Westervoort?
Westervoort has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.9 °C and it receives 748 mm of precipitation per year.
What is the hottest day ever recorded in Westervoort?
The hottest day measured in Westervoort between 1940 and 2025 was 25 July 2019, reaching 39.1 °C.
What is the coldest day in Westervoort?
The coldest day measured in Westervoort between 1940 and 2025 was 27 January 1942, at -22.3 °C.
Does it snow in Westervoort?
Yes. Westervoort gets on average 19.9 cm of snow per year and has around 49 frost days.
Has the climate of Westervoort warmed?
Yes: Westervoort warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Westervoort?
The wettest day measured in Westervoort between 1940 and 2025 was 12 August 1958, with 67 mm of rain in 24 hours.
What was the windiest day in Westervoort?
The windiest day measured in Westervoort between 1940 and 2025 was 27 November 1983, with winds reaching 61.5 km/h.
What is the warmest month in Westervoort?
The warmest month in Westervoort is July (17.7 °C on average); the coldest is January (2.3 °C).
How much does it rain in Westervoort?
Westervoort receives on average 748 mm of precipitation per year, spread over about 145 rainy days.
Is it sunny in Westervoort?
Westervoort 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 Westervoort?
The heaviest 24-hour snowfall measured in Westervoort between 1940 and 2025 was 7 February 2021, with 16.7 cm.
Are there tropical nights in Westervoort?
Yes: Westervoort has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Westervoort?
In Westervoort, between 1940 and 2025, the highest apparent temperature reached 40.6 °C on 25 July 2019, and the lowest was -27.6 °C on 27 January 1942.
Compare Westervoort with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Westervoort