Frost comes to Corny-Machéroménil more often than to 94% of mainland French towns
On a normal July day the thermometer tops out near 24.7°C. Temperatures cover 25°C across the year, low to high. Of the 13 towns of 2,500+ in Ardennes, it is the wettest. Homes need heating from November to April, the months averaging under 10°C.
These are the figures of Météo-France’s Signy-l'Abbaye station, 12 km north.
A year in Corny-Machéroménil at a glance
Each month’s typical high and low in °C, at the Signy-l'Abbaye station.
What a year in Corny-Machéroménil feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Signy-l'Abbaye.
About 1,061 mm of rain a year
December is the wettest month and April the driest. About 35 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: 79 frosts and 47 days of 25°C a year
On about 79 nights a year the air drops to 0°C or below, and on about 7 days it stays below freezing all day. About 47 days a year reach 25°C, and 11 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Signy-l'Abbaye: 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 Signy-l'Abbaye
Signy-l'Abbaye is 12 km north of Corny-Machéroménil. Every figure on this page is the station’s, not a measurement in Corny-Machéroménil itself.
| Station (Météo-France number) | Signy-l'Abbaye (08419001) |
| Distance from the town | 12 km north |
| Station altitude | 180 m |
| Town altitude (its center) | 92 m |
| Period | 1991–2020 |
| Sunshine measured at | Charleville-Mez, 27 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 Corny-Machéroménil 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 |
|---|---|---|---|---|
| Corny-Machéroménil | Signy-l'Abbaye | 24.7°C | −0.7°C | 1,061 mm |
| Rethel 9.5 km | Juniville | 25.5°C 0.8°C warmer | 0.1°C 0.8°C milder | 704 mm |
| Vouziers 27 km | Cauroy | 25.3°C 0.6°C warmer | 0.3°C 1°C milder | 750 mm |
| Villers-Semeuse 28 km | Charleville-Mez | 24.1°C 0.6°C cooler | −0.3°C about the same | 928 mm |
| Charleville-Mézières 28 km | Charleville-Mez | 24.1°C 0.6°C cooler | −0.3°C about the same | 928 mm |
Corny-Machéroménil weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Signy-l'Abbaye station; sunshine at Charleville-Mez.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 5.5°C | −0.7°C | 2.5°C | 113 mm | 50 |
| February | 6.9°C | −0.7°C | 3.1°C | 90 mm | 69 |
| March | 11.7°C | 1.4°C | 6.5°C | 82 mm | 128 |
| April | 16.0°C | 3.5°C | 9.8°C | 62 mm | 177 |
| May | 19.7°C | 7.4°C | 13.6°C | 77 mm | 197 |
| June | 22.7°C | 10.3°C | 16.5°C | 72 mm | 203 |
| July | 24.7°C | 12.3°C | 18.5°C | 79 mm | 214 |
| August | 24.3°C | 11.9°C | 18.1°C | 84 mm | 199 |
| September | 20.1°C | 8.7°C | 14.4°C | 74 mm | 153 |
| October | 14.9°C | 6.2°C | 10.6°C | 96 mm | 97 |
| November | 9.1°C | 2.7°C | 5.9°C | 100 mm | 48 |
| December | 5.8°C | 0.2°C | 3.0°C | 133 mm | 41 |
| Year | 15.1°C | 5.3°C | 10.2°C | 1,061 mm | 1,576 |
Where Corny-Machéroménil’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Signy-l'Abbaye, 12 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, 27 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 Corny-Machéroménil’s climate
How warm does Corny-Machéroménil get in summer?
July is the warmest month, with average highs of 24.7°C. About 47 days a year reach 25°C, fewer than 73% of mainland French towns, and about 11 reach 30°C.
How cold does Corny-Machéroménil get in winter?
January nights average −0.7°C. The air drops to 0°C or below on about 79 nights a year, and about 7 days a year stay below freezing all day.
How much rain does Corny-Machéroménil get?
About 1,061 mm a year, more than 89% of mainland French towns. December is the wettest month (133 mm) and April the driest (62 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Charleville-Mez (27 km away), averages 1,576 hours of sunshine a year.
Are these figures for Corny-Machéroménil itself?
No: they are the normals of the Météo-France station matched to Corny-Machéroménil, Signy-l'Abbaye, 12 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 SIGNY-L'ABBAYE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Corny-Machéroménil →
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.