Andelain gets fewer days of 25 degrees or more than 78% of mainland French towns
On a normal January night the air cools to about 1.5°C. Only 23°C separates winter nights from summer afternoons. By rainfall alone, it ranks drier than 65% of mainland French towns. Picnics, hikes and garden evenings come into their own from May to September, with highs of 19–25°C.
Figures from Météo-France’s Chauny station, 13 km west.
A year in Andelain at a glance
Each month’s typical high and low in °C, at the Chauny station.
What a year in Andelain feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Chauny.
About 710 mm of rain a year
December is the wettest month and April the driest. About 19 days a year bring 10 mm or more. 11th wettest of 24 towns of 2,500+ in Aisne.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Saint-Quentin
44 frosts and 43 days of 25°C a year
On about 44 nights a year the air drops to 0°C or below, and on about 6 days it stays below freezing all day. About 43 days a year reach 25°C, and 9 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Chauny: 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 Chauny
Chauny is 13 km west of Andelain. Every figure on this page is the station’s, not a measurement in Andelain itself.
| Station (Météo-France number) | Chauny (02173002) |
| Distance from the town | 13 km west |
| Station altitude | 83 m |
| Town altitude (its center) | 85 m |
| Period | 1991–2020 |
| Sunshine measured at | Saint-Quentin, 23 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 Andelain 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 Aisne.
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 |
|---|---|---|---|---|
| Andelain | Chauny | 24.9°C | 1.5°C | 710 mm |
| La Fère 2.2 km | same station | 24.9°C about the same | 1.5°C about the same | 710 mm |
| Beautor 2.8 km | same station | 24.9°C about the same | 1.5°C about the same | 710 mm |
| Tergnier 5.9 km | same station | 24.9°C about the same | 1.5°C about the same | 710 mm |
| Chauny 11 km | same station | 24.9°C about the same | 1.5°C about the same | 710 mm |
| Laon 20 km | Aulnois-Ss-Laon | 25.0°C about the same | 1.3°C about the same | 686 mm |
| Gauchy 21 km | Saint-Quentin | 24.0°C 0.9°C cooler | 1.1°C about the same | 683 mm |
Andelain weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Chauny station; sunshine at Saint-Quentin.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.3°C | 1.5°C | 3.9°C | 57 mm | 62 |
| February | 7.4°C | 1.6°C | 4.5°C | 54 mm | 79 |
| March | 11.5°C | 3.4°C | 7.5°C | 55 mm | 135 |
| April | 15.5°C | 5.2°C | 10.4°C | 44 mm | 183 |
| May | 18.9°C | 8.5°C | 13.7°C | 62 mm | 206 |
| June | 22.1°C | 11.3°C | 16.7°C | 60 mm | 208 |
| July | 24.9°C | 13.4°C | 19.1°C | 61 mm | 214 |
| August | 24.6°C | 13.3°C | 18.9°C | 69 mm | 207 |
| September | 20.6°C | 10.6°C | 15.6°C | 52 mm | 167 |
| October | 15.6°C | 8.0°C | 11.8°C | 64 mm | 116 |
| November | 10.0°C | 4.5°C | 7.2°C | 58 mm | 67 |
| December | 6.7°C | 2.1°C | 4.4°C | 75 mm | 54 |
| Year | 15.3°C | 7.0°C | 11.1°C | 710 mm | 1,696 |
Where Andelain’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Chauny, 13 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-Quentin, 23 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 Aisne.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Andelain’s climate
How warm does Andelain get in summer?
July is the warmest month, with average highs of 24.9°C. About 43 days a year reach 25°C, fewer than 78% of mainland French towns, and about 9 reach 30°C.
How cold does Andelain get in winter?
January nights average 1.5°C. The air drops to 0°C or below on about 44 nights a year, and about 6 days a year stay below freezing all day.
How much rain does Andelain get?
About 710 mm a year, less than 65% of mainland French towns. December is the wettest month (75 mm) and April the driest (44 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Saint-Quentin (23 km away), averages 1,696 hours of sunshine a year.
Are these figures for Andelain itself?
No: they are the normals of the Météo-France station matched to Andelain, Chauny, 13 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 CHAUNY, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Andelain →
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.