Chilly gets more frosts than 95% of mainland French towns
Météo-France’s Charleville-Mez station, 14 km south-east: a typical January night drops to −0.3°C and a July afternoon reaches 24.1°C; 928 mm of rain falls in a year. In July, afternoons here are cooler than in 82% of mainland French towns. Rain is plentiful here, more than falls on 81% of mainland French towns.
A year in Chilly at a glance
Each month’s typical high and low in °C, at the Charleville-Mez station.
What a year in Chilly feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Charleville-Mez.
About 928 mm of rain a year
December is the wettest month and April the driest. About 30 days a year bring 10 mm or more. 2nd wettest of 13 towns of 2,500+ in Ardennes.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Charleville-Mez
A frosty town: 80 frosts and 40 days of 25°C a year
On about 80 nights a year the air drops to 0°C or below, and on about 7 days it stays below freezing all day. About 40 days a year reach 25°C, and 7 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Charleville-Mez: 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 Charleville-Mez
Charleville-Mez is 14 km south-east of Chilly. Every figure on this page is the station’s, not a measurement in Chilly itself.
| Station (Météo-France number) | Charleville-Mez (08105005) |
| Distance from the town | 14 km south-east |
| Station altitude | 145 m |
| Town altitude (its center) | 217 m |
| Period | 1991–2020 |
| Nearest station of any kind | 9.8 km |
| 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 Chilly 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 Ardennes.
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 |
|---|---|---|---|---|
| Chilly | Charleville-Mez | 24.1°C | −0.3°C | 928 mm |
| Revin 16 km | same station | 24.1°C about the same | −0.3°C about the same | 928 mm |
| Charleville-Mézières 19 km | same station | 24.1°C about the same | −0.3°C about the same | 928 mm |
| Nouzonville 20 km | same station | 24.1°C about the same | −0.3°C about the same | 928 mm |
| Bogny-sur-Meuse 20 km | same station | 24.1°C about the same | −0.3°C about the same | 928 mm |
| Villers-Semeuse 22 km | same station | 24.1°C about the same | −0.3°C about the same | 928 mm |
| Fumay 23 km | same station | 24.1°C about the same | −0.3°C about the same | 928 mm |
Chilly weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Charleville-Mez station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 5.6°C | −0.3°C | 2.7°C | 100 mm | 50 |
| February | 6.9°C | −0.6°C | 3.1°C | 78 mm | 69 |
| March | 11.3°C | 1.0°C | 6.2°C | 69 mm | 128 |
| April | 15.3°C | 2.8°C | 9.1°C | 57 mm | 177 |
| May | 19.0°C | 6.6°C | 12.8°C | 68 mm | 197 |
| June | 22.1°C | 9.9°C | 16.0°C | 67 mm | 203 |
| July | 24.1°C | 11.8°C | 18.0°C | 72 mm | 214 |
| August | 23.9°C | 11.2°C | 17.6°C | 74 mm | 199 |
| September | 20.0°C | 8.2°C | 14.1°C | 63 mm | 153 |
| October | 15.0°C | 5.8°C | 10.4°C | 80 mm | 97 |
| November | 9.3°C | 2.8°C | 6.1°C | 84 mm | 48 |
| December | 6.1°C | 0.4°C | 3.3°C | 116 mm | 41 |
| Year | 14.9°C | 5.0°C | 9.9°C | 928 mm | 1,576 |
Where Chilly’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Charleville-Mez, 14 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, Charleville-Mez, 14 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 Ardennes.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Chilly’s climate
How warm does Chilly get in summer?
July is the warmest month, with average highs of 24.1°C. About 40 days a year reach 25°C, fewer than 81% of mainland French towns, and about 7 reach 30°C.
How cold does Chilly get in winter?
February nights average −0.6°C. The air drops to 0°C or below on about 80 nights a year, and about 7 days a year stay below freezing all day.
How much rain does Chilly get?
About 928 mm a year, more than 81% of mainland French towns. December is the wettest month (116 mm) and April the driest (57 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Charleville-Mez (14 km away), averages 1,576 hours of sunshine a year.
Are these figures for Chilly itself?
No: they are the normals of the Météo-France station matched to Chilly, Charleville-Mez, 14 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 CHARLEVILLE-MEZ, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Chilly →
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.