Frosty mornings in Son outnumber those of 81% of mainland French towns
Expect July afternoons of about 25.1°C. By warm days alone, it ranks cooler than 74% of mainland French towns. Wet weather is most frequent in December and least in April. Radiators earn their keep from November to April, the months that average under 10°C.
Figures from Météo-France’s Nizy-le-Comte station, 17 km west.
A year in Son at a glance
Each month’s typical high and low in °C, at the Nizy-le-Comte station.
What a year in Son feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Nizy-le-Comte.
About 711 mm of rain a year
December is the wettest month and April the driest. About 19 days a year bring 10 mm or more. 13th 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: 60 frosts and 45 days of 25°C a year
On about 60 nights a year the air drops to 0°C or below, and on about 6 days it stays below freezing all day. About 45 days a year reach 25°C, and 10 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Nizy-le-Comte: 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 Nizy-le-Comte
Nizy-le-Comte is 17 km west of Son. Every figure on this page is the station’s, not a measurement in Son itself.
| Station (Météo-France number) | Nizy-le-Comte (02705001) |
| Distance from the town | 17 km west |
| Station altitude | 90 m |
| Town altitude (its center) | 115 m |
| Period | 1991–2020 |
| Nearest station of any kind | 10 km |
| Sunshine measured at | Charleville-Mez, 35 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 Son 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 |
|---|---|---|---|---|
| Son | Nizy-le-Comte | 25.1°C | 0.6°C | 711 mm |
| Rethel 10 km | Juniville | 25.5°C about the same | 0.1°C 0.5°C colder | 704 mm |
| Warmeriville 26 km | Juniville | 25.5°C about the same | 0.1°C 0.5°C colder | 704 mm |
| Villeneuve-sur-Aisne 27 km | same station | 25.1°C about the same | 0.6°C about the same | 711 mm |
Son weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Nizy-le-Comte station; sunshine at Charleville-Mez.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.2°C | 0.6°C | 3.4°C | 60 mm | 50 |
| February | 7.4°C | 0.5°C | 3.9°C | 52 mm | 69 |
| March | 11.7°C | 2.4°C | 7.1°C | 53 mm | 128 |
| April | 15.5°C | 4.3°C | 9.9°C | 47 mm | 177 |
| May | 19.2°C | 7.9°C | 13.6°C | 61 mm | 197 |
| June | 22.4°C | 10.8°C | 16.6°C | 54 mm | 203 |
| July | 25.1°C | 12.7°C | 18.9°C | 64 mm | 214 |
| August | 24.8°C | 12.5°C | 18.7°C | 68 mm | 199 |
| September | 20.7°C | 9.6°C | 15.1°C | 51 mm | 153 |
| October | 15.6°C | 7.0°C | 11.3°C | 63 mm | 97 |
| November | 9.8°C | 3.6°C | 6.7°C | 62 mm | 48 |
| December | 6.5°C | 1.4°C | 3.9°C | 76 mm | 41 |
| Year | 15.4°C | 6.1°C | 10.8°C | 711 mm | 1,576 |
Where Son’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Nizy-le-Comte, 17 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, 35 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 Son’s climate
How warm does Son get in summer?
July is the warmest month, with average highs of 25.1°C. About 45 days a year reach 25°C, fewer than 74% of mainland French towns, and about 10 reach 30°C.
How cold does Son get in winter?
February nights average 0.5°C. The air drops to 0°C or below on about 60 nights a year, and about 6 days a year stay below freezing all day.
How much rain does Son get?
About 711 mm a year, less than 65% of mainland French towns. December is the wettest month (76 mm) and April the driest (47 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Charleville-Mez (35 km away), averages 1,576 hours of sunshine a year.
Are these figures for Son itself?
No: they are the normals of the Météo-France station matched to Son, Nizy-le-Comte, 17 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 NIZY-LE-COMTE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Son →
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.