Warm afternoons come to Sommaing less often than to 84% of mainland French towns
On a normal January night the air cools to about 1.3°C. By rainfall alone, it ranks drier than 71% of mainland French towns. Seasons differ by 23°C, from the coldest nights to the warmest afternoons. Homes need heating from November to March, the months averaging under 10°C.
Figures from Météo-France’s Valenciennes station, 7.5 km north.
A year in Sommaing at a glance
Each month’s typical high and low in °C, at the Valenciennes station.
What a year in Sommaing feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Valenciennes.
About 694 mm of rain a year
December is the wettest month and April the driest. About 17 days a year bring 10 mm or more. 134th wettest of 200 towns of 2,500+ in Nord.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Lille-Lesquin
46 frosts and 37 days of 25°C a year
On about 46 nights a year the air drops to 0°C or below, and on about 5 days it stays below freezing all day. About 37 days a year reach 25°C, and 8 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Valenciennes: a frost is a night of 0°C or below, a summer day (jour d’été) 25°C or more, a hot day (forte chaleur) 30°C or more.
The Météo-France station at Valenciennes
Valenciennes is 7.5 km north of Sommaing. Every figure on this page is the station’s, not a measurement in Sommaing itself.
| Station (Météo-France number) | Valenciennes (59606004) |
| Distance from the town | 7.5 km north |
| Station altitude | 50 m |
| Town altitude (its center) | 45 m |
| Period | 1991–2020 |
| Sunshine measured at | Lille-Lesquin, 44 km away |
TownRatings matches each commune to one station with at least 24 years of temperature and rain records: the nearest, counting every 100 m of height difference as 10 km, never across the sea.
How Sommaing compares
Against the 4,385 towns of 2,500 or more in mainland France, each read from its own matched station. The dots are the other towns of 2,500+ in Nord.
Nearby towns’ climate
The nearest towns of 2,500+ within 29 km. Where a neighbor uses the same station its figures are the same: the differences you’d feel over a few kilometers aren’t in the normals.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Sommaing | Valenciennes | 24.0°C | 1.3°C | 694 mm |
| Maing 5 km | same station | 24.0°C about the same | 1.3°C about the same | 694 mm |
| Thiant 5.9 km | same station | 24.0°C about the same | 1.3°C about the same | 694 mm |
| Haspres 6 km | same station | 24.0°C about the same | 1.3°C about the same | 694 mm |
| Trith-Saint-Léger 7.4 km | same station | 24.0°C about the same | 1.3°C about the same | 694 mm |
| Aulnoy-lez-Valenciennes 7.6 km | same station | 24.0°C about the same | 1.3°C about the same | 694 mm |
| Douchy-les-Mines 8.6 km | same station | 24.0°C about the same | 1.3°C about the same | 694 mm |
Sommaing weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Valenciennes station; sunshine at Lille-Lesquin.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.4°C | 1.3°C | 3.9°C | 54 mm | 62 |
| February | 7.6°C | 1.4°C | 4.5°C | 47 mm | 74 |
| March | 11.4°C | 3.3°C | 7.4°C | 51 mm | 127 |
| April | 15.1°C | 5.0°C | 10.1°C | 42 mm | 176 |
| May | 18.8°C | 8.4°C | 13.6°C | 58 mm | 196 |
| June | 21.9°C | 11.4°C | 16.6°C | 63 mm | 202 |
| July | 24.0°C | 13.5°C | 18.7°C | 66 mm | 210 |
| August | 24.0°C | 13.2°C | 18.6°C | 68 mm | 197 |
| September | 20.4°C | 10.7°C | 15.5°C | 52 mm | 155 |
| October | 15.5°C | 8.0°C | 11.7°C | 60 mm | 115 |
| November | 10.2°C | 4.4°C | 7.3°C | 64 mm | 62 |
| December | 6.9°C | 2.0°C | 4.5°C | 69 mm | 53 |
| Year | 15.2°C | 6.9°C | 11.0°C | 694 mm | 1,627 |
Where Sommaing’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Valenciennes, 7.5 km away: statistics for 1991–2020.
- Which station: among stations with at least 24 of the 30 years of temperature and rain, the nearest to the commune’s population-weighted center, counting each 100 m of height difference as 10 km; mainland towns use mainland stations and each overseas département its own.
- Altitudes: the town’s from IGN’s RGE ALTI® at its population-weighted center; the station’s from Météo-France.
- Sunshine: the nearest station with at least 10 years of sunshine records, Lille-Lesquin, 44 km away.
- Comparisons: every town of 2,500 or more in mainland France, read the same way; the dots are the towns of 2,500+ in Nord.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Sommaing’s climate
How warm does Sommaing get in summer?
July is the warmest month, with average highs of 24.0°C. About 37 days a year reach 25°C, fewer than 84% of mainland French towns, and about 8 reach 30°C.
How cold does Sommaing get in winter?
January nights average 1.3°C. The air drops to 0°C or below on about 46 nights a year, and about 5 days a year stay below freezing all day.
How much rain does Sommaing get?
About 694 mm a year, less than 71% of mainland French towns. December is the wettest month (69 mm) and April the driest (42 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Lille-Lesquin (44 km away), averages 1,627 hours of sunshine a year.
Are these figures for Sommaing itself?
No: they are the normals of the Météo-France station matched to Sommaing, Valenciennes, 7.5 km away. France publishes its climate normals by station, not by commune; a valley, a hill or the sea can make a difference over a few kilometers.
Where do these figures come from?
Météo-France’s fiches climatologiques: 30-year averages (1991–2020) for each of its long-running stations, published as open data since 2024. They are normals, not a forecast.
Source: Météo-France, fiches climatologiques, 1991–2020 statistics (station VALENCIENNES, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Sommaing →
Contains public sector information under the Licence Ouverte / Open Licence 2.0 (Etalab): INSEE, DGFiP, the Interior Ministry’s statistics service (SSMSI), the Ministry of Education (DEPP), the Health Ministry’s statistics service (DREES) and the Housing Ministry (Carte des loyers). Commune boundaries: IGN Admin Express.