Delle climate — normals and trends
Delle (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.1 °C and it receives 1,285 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 (18.1 °C on average) and the coldest is January (0.1 °C). Rainfall peaks in May.
Delle averages 82 frost days, 4 hot days (≥ 30 °C) and 174 rainy days per year.
Delle has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 101 to 63 per year over the period.
The hottest day of the period reached 36.2 °C (on 5 July 2015) and the coldest -22.7 °C (on 16 January 1966).
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
DelleBourgogne
- coords
- 47.51°, 7.00°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.1°C
Average daily high
13.0°C
Average daily low
5.4°C
Annual rainfall
1,285mm
Sunshine / day
8.2h
Mean relative humidity
79%
Average peak wind
13.5km/h
Seasonal range
18.0°C
Frost days (< 0 °C)
82 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
174 d/yr
Annual snowfall
88.5 cm
Average feels-like high
11.0 °C
Average feels-like low
3.1 °C
Average peak gust
33.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
12.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.52 · 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
36.2 °C
5 July 2015
Coldest day
-22.7 °C
16 January 1966
Wettest day
66 mm
26 September 1987
Windiest day
56.7 km/h
26 December 1999
Strongest gust
143.6 km/h
26 December 1999
Hottest feels-like
38.1 °C
5 July 2015
Coldest feels-like
-28.3 °C
10 February 1956
Snowiest day
28.2 cm
4 March 2006
Sunniest day
15.0 h
16 May 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 | 5.9 °C | +3.1 °C | 138 mm | +40 mm |
| Feb | 6.8 °C | +2.0 °C | 75 mm | -16 mm |
| Mar | 11.9 °C | +2.7 °C | 60 mm | -35 mm |
| Apr | 16.3 °C | +3.2 °C | 89 mm | -11 mm |
| May | 18.6 °C | +1.5 °C | 104 mm | -24 mm |
| Jun | 25.6 °C | +5.0 °C | 119 mm | -6 mm |
| Jul | 23.3 °C | +0.5 °C | 139 mm | +25 mm |
| Aug | 25.1 °C | +2.8 °C | 176 mm | +52 mm |
| Sep | 18.7 °C | 0.0 °C | 178 mm | +75 mm |
| Oct | 13.8 °C | +0.3 °C | 147 mm | +53 mm |
| Nov | 9.1 °C | +1.9 °C | 137 mm | +29 mm |
| Dec | 6.2 °C | +2.6 °C | 34 mm | -71 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 Delle?
Delle has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.1 °C and it receives 1,285 mm of precipitation per year.
What is the hottest day ever recorded in Delle?
The hottest day measured in Delle between 1940 and 2025 was 5 July 2015, reaching 36.2 °C.
What is the coldest day in Delle?
The coldest day measured in Delle between 1940 and 2025 was 16 January 1966, at -22.7 °C.
Does it snow in Delle?
Yes. Delle gets on average 88.5 cm of snow per year and has around 82 frost days.
Has the climate of Delle warmed?
Yes: Delle warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Delle?
The wettest day measured in Delle between 1940 and 2025 was 26 September 1987, with 66 mm of rain in 24 hours.
What was the windiest day in Delle?
The windiest day measured in Delle between 1940 and 2025 was 26 December 1999, with winds reaching 56.7 km/h.
What is the warmest month in Delle?
The warmest month in Delle is July (18.1 °C on average); the coldest is January (0.1 °C).
How much does it rain in Delle?
Delle receives on average 1,285 mm of precipitation per year, spread over about 174 rainy days.
Is it sunny in Delle?
Delle 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 Delle?
The heaviest 24-hour snowfall measured in Delle between 1940 and 2025 was 4 March 2006, with 28.2 cm.
Are there tropical nights in Delle?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Delle.
What was the most extreme apparent temperature in Delle?
In Delle, between 1940 and 2025, the highest apparent temperature reached 38.1 °C on 5 July 2015, and the lowest was -28.3 °C on 10 February 1956.
Compare Delle with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Delle