Vlaardingen climate — normals and trends
Vlaardingen (The Netherlands) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.3 °C and it receives 749 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 August (17.4 °C on average) and the coldest is January (3.5 °C). Rainfall peaks in November.
Vlaardingen averages 32 frost days, 1 hot days (≥ 30 °C) and 148 rainy days per year.
Vlaardingen has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 46 to 18 per year over the period.
The hottest day of the period reached 36.6 °C (on 25 July 2019) and the coldest -17.7 °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
VlaardingenSouth Holland
- coords
- 51.91°, 4.34°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.3°C
Average daily high
12.8°C
Average daily low
7.7°C
Annual rainfall
749mm
Sunshine / day
8.2h
Mean relative humidity
81%
Average peak wind
24.3km/h
Seasonal range
13.9°C
Frost days (< 0 °C)
32 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
148 d/yr
Annual snowfall
13.9 cm
Average feels-like high
10.0 °C
Average feels-like low
4.3 °C
Average peak gust
42.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.44 · 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
36.6 °C
25 July 2019
Coldest day
-17.7 °C
27 January 1942
Wettest day
52 mm
14 July 2011
Windiest day
76.8 km/h
25 January 1990
Strongest gust
135.4 km/h
25 January 1990
Hottest feels-like
37.0 °C
25 July 2019
Coldest feels-like
-23.3 °C
27 January 1942
Snowiest day
13.1 cm
27 December 2014
Sunniest day
16.0 h
1 July 1940
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 | 6.1 °C | +0.9 °C | 79 mm | +18 mm |
| Feb | 6.7 °C | +1.0 °C | 35 mm | -14 mm |
| Mar | 11.5 °C | +3.0 °C | 4 mm | -48 mm |
| Apr | 15.0 °C | +3.3 °C | 25 mm | -22 mm |
| May | 17.1 °C | +1.6 °C | 36 mm | -19 mm |
| Jun | 21.1 °C | +2.8 °C | 56 mm | -0 mm |
| Jul | 21.9 °C | +1.8 °C | 87 mm | +16 mm |
| Aug | 22.0 °C | +1.6 °C | 34 mm | -37 mm |
| Sep | 19.1 °C | +1.0 °C | 61 mm | -11 mm |
| Oct | 14.7 °C | +0.6 °C | 112 mm | +40 mm |
| Nov | 10.6 °C | +1.2 °C | 74 mm | -1 mm |
| Dec | 8.6 °C | +2.1 °C | 29 mm | -40 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 Vlaardingen?
Vlaardingen has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.3 °C and it receives 749 mm of precipitation per year.
What is the hottest day ever recorded in Vlaardingen?
The hottest day measured in Vlaardingen between 1940 and 2025 was 25 July 2019, reaching 36.6 °C.
What is the coldest day in Vlaardingen?
The coldest day measured in Vlaardingen between 1940 and 2025 was 27 January 1942, at -17.7 °C.
Does it snow in Vlaardingen?
Yes. Vlaardingen gets on average 13.9 cm of snow per year and has around 32 frost days.
Has the climate of Vlaardingen warmed?
Yes: Vlaardingen warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Vlaardingen?
The wettest day measured in Vlaardingen between 1940 and 2025 was 14 July 2011, with 52 mm of rain in 24 hours.
What was the windiest day in Vlaardingen?
The windiest day measured in Vlaardingen between 1940 and 2025 was 25 January 1990, with winds reaching 76.8 km/h.
What is the warmest month in Vlaardingen?
The warmest month in Vlaardingen is August (17.4 °C on average); the coldest is January (3.5 °C).
How much does it rain in Vlaardingen?
Vlaardingen receives on average 749 mm of precipitation per year, spread over about 148 rainy days.
Is it sunny in Vlaardingen?
Vlaardingen gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.
What is the biggest single-day snowfall in Vlaardingen?
The heaviest 24-hour snowfall measured in Vlaardingen between 1940 and 2025 was 27 December 2014, with 13.1 cm.
Are there tropical nights in Vlaardingen?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Vlaardingen.
What was the most extreme apparent temperature in Vlaardingen?
In Vlaardingen, between 1940 and 2025, the highest apparent temperature reached 37.0 °C on 25 July 2019, and the lowest was -23.3 °C on 27 January 1942.
Compare Vlaardingen with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Vlaardingen