Bourbourg climate — normals and trends
Bourbourg (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.7 °C and it receives 643 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 (17.6 °C on average) and the coldest is January (4.2 °C). Rainfall peaks in November.
Bourbourg averages 27 frost days, 2 hot days (≥ 30 °C) and 132 rainy days per year.
Bourbourg has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 41 to 13 per year over the period.
The hottest day of the period reached 38.6 °C (on 25 July 2019) and the coldest -16.5 °C (on 6 January 1979).
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
BourbourgHauts-de-France
- coords
- 50.95°, 2.20°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.7°C
Average daily high
13.6°C
Average daily low
8.0°C
Annual rainfall
643mm
Sunshine / day
8.3h
Mean relative humidity
80%
Average peak wind
22.8km/h
Seasonal range
13.4°C
Frost days (< 0 °C)
27 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
132 d/yr
Annual snowfall
10.4 cm
Average feels-like high
10.9 °C
Average feels-like low
4.9 °C
Average peak gust
42.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.47 · 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
38.6 °C
25 July 2019
Coldest day
-16.5 °C
6 January 1979
Wettest day
51 mm
7 July 1969
Windiest day
73.6 km/h
25 January 1990
Strongest gust
136.1 km/h
25 January 1990
Hottest feels-like
40.2 °C
25 July 2019
Coldest feels-like
-21.3 °C
6 January 1979
Snowiest day
13.9 cm
11 December 2017
Sunniest day
16.0 h
16 June 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 | 6.4 °C | +0.2 °C | 98 mm | +44 mm |
| Feb | 7.4 °C | +0.6 °C | 44 mm | -1 mm |
| Mar | 12.3 °C | +2.7 °C | 8 mm | -40 mm |
| Apr | 15.9 °C | +3.4 °C | 23 mm | -24 mm |
| May | 17.3 °C | +1.3 °C | 28 mm | -25 mm |
| Jun | 22.1 °C | +3.2 °C | 53 mm | +2 mm |
| Jul | 22.5 °C | +1.6 °C | 80 mm | +27 mm |
| Aug | 22.4 °C | +1.3 °C | 23 mm | -32 mm |
| Sep | 19.2 °C | +0.5 °C | 49 mm | -5 mm |
| Oct | 15.3 °C | +0.5 °C | 66 mm | +6 mm |
| Nov | 11.5 °C | +1.5 °C | 61 mm | -3 mm |
| Dec | 9.2 °C | +1.9 °C | 32 mm | -25 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 Bourbourg?
Bourbourg has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.7 °C and it receives 643 mm of precipitation per year.
What is the hottest day ever recorded in Bourbourg?
The hottest day measured in Bourbourg between 1940 and 2025 was 25 July 2019, reaching 38.6 °C.
What is the coldest day in Bourbourg?
The coldest day measured in Bourbourg between 1940 and 2025 was 6 January 1979, at -16.5 °C.
Does it snow in Bourbourg?
Yes. Bourbourg gets on average 10.4 cm of snow per year and has around 27 frost days.
Has the climate of Bourbourg warmed?
Yes: Bourbourg warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bourbourg?
The wettest day measured in Bourbourg between 1940 and 2025 was 7 July 1969, with 51 mm of rain in 24 hours.
What was the windiest day in Bourbourg?
The windiest day measured in Bourbourg between 1940 and 2025 was 25 January 1990, with winds reaching 73.6 km/h.
What is the warmest month in Bourbourg?
The warmest month in Bourbourg is August (17.6 °C on average); the coldest is January (4.2 °C).
How much does it rain in Bourbourg?
Bourbourg receives on average 643 mm of precipitation per year, spread over about 132 rainy days.
Is it sunny in Bourbourg?
Bourbourg gets on average 8.3 hours of sunshine per day, roughly 3,030 hours per year over 1940-2025.
What is the biggest single-day snowfall in Bourbourg?
The heaviest 24-hour snowfall measured in Bourbourg between 1940 and 2025 was 11 December 2017, with 13.9 cm.
Are there tropical nights in Bourbourg?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Bourbourg.
What was the most extreme apparent temperature in Bourbourg?
In Bourbourg, between 1940 and 2025, the highest apparent temperature reached 40.2 °C on 25 July 2019, and the lowest was -21.3 °C on 6 January 1979.
Compare Bourbourg with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bourbourg