Sommelonne has colder winter nights than 77% of mainland French towns
On a normal July day the thermometer tops out near 26.0°C. No month is much wetter than another: December, the wettest, gets little more than April, the driest. Wet days, with 1 mm of rain or more, come about 125 times a year.
These are the figures of Météo-France’s Saint-Dizier station, 11 km south-west.
A year in Sommelonne at a glance
Each month’s typical high and low in °C, at the Saint-Dizier station.
What a year in Sommelonne feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Saint-Dizier.
About 795 mm of rain a year
December is the wettest month and April the driest. About 23 days a year bring 10 mm or more. 8th wettest of 10 towns of 2,500+ in Meuse.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Saint-Dizier
A frosty town: 54 frosts and 58 days of 25°C a year
On about 54 nights a year the air drops to 0°C or below, and on about 5 days it stays below freezing all day. About 58 days a year reach 25°C, and 16 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Saint-Dizier: 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 Saint-Dizier
Saint-Dizier is 11 km south-west of Sommelonne. Every figure on this page is the station’s, not a measurement in Sommelonne itself.
| Station (Météo-France number) | Saint-Dizier (52448001) |
| Distance from the town | 11 km south-west |
| Station altitude | 139 m |
| Town altitude (its center) | 171 m |
| Period | 1991–2020 |
| Sunshine measured at | the same station |
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 Sommelonne 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 Meuse.
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 |
|---|---|---|---|---|
| Sommelonne | Saint-Dizier | 26.0°C | 0.8°C | 795 mm |
| Ancerville 4.6 km | same station | 26.0°C about the same | 0.8°C about the same | 795 mm |
| Saint-Dizier 6.7 km | same station | 26.0°C about the same | 0.8°C about the same | 795 mm |
| Bar-le-Duc 15 km | same station | 26.0°C about the same | 0.8°C about the same | 795 mm |
| Wassy 20 km | Chevillon | 25.9°C about the same | 0.4°C about the same | 982 mm |
| Ligny-en-Barrois 21 km | Erneville-aux-Bois | 24.7°C 1.3°C cooler | −0.7°C 1.5°C colder | 1,022 mm |
| Joinville 27 km | Chevillon | 25.9°C about the same | 0.4°C about the same | 982 mm |
Sommelonne weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Saint-Dizier station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.5°C | 0.8°C | 3.7°C | 63 mm | 61 |
| February | 8.0°C | 0.8°C | 4.4°C | 61 mm | 81 |
| March | 12.3°C | 2.9°C | 7.6°C | 60 mm | 143 |
| April | 16.4°C | 5.3°C | 10.8°C | 55 mm | 183 |
| May | 20.2°C | 9.3°C | 14.7°C | 68 mm | 216 |
| June | 23.6°C | 12.5°C | 18.1°C | 58 mm | 228 |
| July | 26.0°C | 14.5°C | 20.2°C | 70 mm | 235 |
| August | 25.7°C | 14.2°C | 19.9°C | 65 mm | 224 |
| September | 21.3°C | 10.7°C | 16.0°C | 71 mm | 173 |
| October | 16.2°C | 7.9°C | 12.1°C | 75 mm | 116 |
| November | 10.4°C | 4.1°C | 7.3°C | 71 mm | 63 |
| December | 7.1°C | 1.7°C | 4.4°C | 79 mm | 53 |
| Year | 16.1°C | 7.1°C | 11.6°C | 795 mm | 1,776 |
Where Sommelonne’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Saint-Dizier, 11 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, Saint-Dizier, 11 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 Meuse.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Sommelonne’s climate
How warm does Sommelonne get in summer?
July is the warmest month, with average highs of 26.0°C. About 58 days a year reach 25°C, fewer than 55% of mainland French towns, and about 16 reach 30°C.
How cold does Sommelonne get in winter?
January nights average 0.8°C. The air drops to 0°C or below on about 54 nights a year, and about 5 days a year stay below freezing all day.
How much rain does Sommelonne get?
About 795 mm a year, more than 59% of mainland French towns. December is the wettest month (79 mm) and April the driest (55 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Saint-Dizier (11 km away), averages 1,776 hours of sunshine a year.
Are these figures for Sommelonne itself?
No: they are the normals of the Météo-France station matched to Sommelonne, Saint-Dizier, 11 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 ST-DIZIER, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Sommelonne →
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.