Few mainland French towns get more rain than Brognon: 1,210 mm a year
On a normal July day the thermometer tops out near 22.6°C. Its July afternoons are the coolest among its 6 nearest neighbors. Winter and summer sit 23°C apart. Keep the boiler serviced for the months from November to April, which average under 10°C.
These are the figures of Météo-France’s Rocroi station, 18 km east.
A year in Brognon at a glance
Each month’s typical high and low in °C, at the Rocroi station.
What a year in Brognon feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Rocroi.
About 1,210 mm of rain a year
December is the wettest month and April the driest. About 41 days a year bring 10 mm or more. The 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: 66 frosts and 27 days of 25°C a year
On about 66 nights a year the air drops to 0°C or below, and on about 14 days it stays below freezing all day. About 27 days a year reach 25°C, and 5 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Rocroi: 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 Rocroi
Rocroi is 18 km east of Brognon. Every figure on this page is the station’s, not a measurement in Brognon itself.
| Station (Météo-France number) | Rocroi (08367002) |
| Distance from the town | 18 km east |
| Station altitude | 382 m |
| Town altitude (its center) | 305 m |
| Period | 1991–2020 |
| Sunshine measured at | Charleville-Mez, 31 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 Brognon 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, each with its own matched station.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Brognon | Rocroi | 22.6°C | −0.4°C | 1,210 mm |
| Saint-Michel 11 km | Fontaine-lès-Vv | 23.4°C 0.8°C warmer | 0.8°C 1.2°C milder | 826 mm |
| Hirson 14 km | Fontaine-lès-Vv | 23.4°C 0.8°C warmer | 0.8°C 1.2°C milder | 826 mm |
| Anor 14 km | Fontaine-lès-Vv | 23.4°C 0.8°C warmer | 0.8°C 1.2°C milder | 826 mm |
| Trélon 19 km | Fontaine-lès-Vv | 23.4°C 0.8°C warmer | 0.8°C 1.2°C milder | 826 mm |
| Fourmies 19 km | Fontaine-lès-Vv | 23.4°C 0.8°C warmer | 0.8°C 1.2°C milder | 826 mm |
| Wignehies 22 km | Fontaine-lès-Vv | 23.4°C 0.8°C warmer | 0.8°C 1.2°C milder | 826 mm |
Brognon weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Rocroi station; sunshine at Charleville-Mez.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 4.0°C | −0.4°C | 1.8°C | 130 mm | 50 |
| February | 5.0°C | −0.2°C | 2.4°C | 105 mm | 69 |
| March | 9.3°C | 2.0°C | 5.7°C | 96 mm | 128 |
| April | 13.4°C | 4.5°C | 9.0°C | 72 mm | 177 |
| May | 17.2°C | 7.8°C | 12.5°C | 86 mm | 197 |
| June | 20.3°C | 10.6°C | 15.4°C | 84 mm | 203 |
| July | 22.6°C | 12.7°C | 17.7°C | 91 mm | 214 |
| August | 22.2°C | 12.6°C | 17.4°C | 98 mm | 199 |
| September | 18.3°C | 9.8°C | 14.1°C | 85 mm | 153 |
| October | 13.3°C | 6.8°C | 10.0°C | 105 mm | 97 |
| November | 7.8°C | 3.1°C | 5.4°C | 112 mm | 48 |
| December | 4.6°C | 0.4°C | 2.5°C | 147 mm | 41 |
| Year | 13.2°C | 5.8°C | 9.5°C | 1,210 mm | 1,576 |
Where Brognon’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Rocroi, 18 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, 31 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 Brognon’s climate
How warm does Brognon get in summer?
July is the warmest month, with average highs of 22.6°C. About 27 days a year reach 25°C, fewer than 93% of mainland French towns, and about 5 reach 30°C.
How cold does Brognon get in winter?
January nights average −0.4°C. The air drops to 0°C or below on about 66 nights a year, and about 14 days a year stay below freezing all day.
How much rain does Brognon get?
About 1,210 mm a year, more than 96% of mainland French towns. December is the wettest month (147 mm) and April the driest (72 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Charleville-Mez (31 km away), averages 1,576 hours of sunshine a year.
Are these figures for Brognon itself?
No: they are the normals of the Météo-France station matched to Brognon, Rocroi, 18 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 ROCROI, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Brognon →
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.