Nights turn raw in Chailly-sur-Armançon each January, colder than in 88% of mainland French towns
Peak summer warmth arrives in July, with afternoons near 25.2°C. Rain is plentiful here, more than falls on 72% of mainland French towns. The gap between a January night and a July afternoon is 26°C. Comfortable outdoor weather lasts from May to September, with highs of 19–25°C.
Figures from Météo-France’s Pouilly en aux station, 6.2 km east.
A year in Chailly-sur-Armançon at a glance
Each month’s typical high and low in °C, at the Pouilly en aux station.
What a year in Chailly-sur-Armançon feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Pouilly en aux.
About 859 mm of rain a year
November is the wettest month and February the driest. About 25 days a year bring 10 mm or more. 2nd wettest of 21 towns of 2,500+ in Côte-d'Or.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Autun
A frosty town: 65 frosts and 50 days of 25°C a year
On about 65 nights a year the air drops to 0°C or below, and on about 9 days it stays below freezing all day. About 50 days a year reach 25°C, and 13 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Pouilly en aux: 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 Pouilly en aux
Pouilly en aux is 6.2 km east of Chailly-sur-Armançon. Every figure on this page is the station’s, not a measurement in Chailly-sur-Armançon itself.
| Station (Météo-France number) | Pouilly en aux (21501003) |
| Distance from the town | 6.2 km east |
| Station altitude | 412 m |
| Town altitude (its center) | 389 m |
| Period | 1991–2020 |
| Sunshine measured at | Autun, 37 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 Chailly-sur-Armançon 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 Côte-d'Or.
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 |
|---|---|---|---|---|
| Chailly-sur-Armançon | Pouilly en aux | 25.2°C | −0.3°C | 859 mm |
| Semur-en-Auxois 27 km | Semur-en-Auxois | 26.0°C 0.8°C warmer | 0.3°C 0.6°C milder | 778 mm |
Chailly-sur-Armançon weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Pouilly en aux station; sunshine at Autun.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 5.6°C | −0.3°C | 2.6°C | 72 mm | 67 |
| February | 7.1°C | −0.2°C | 3.5°C | 56 mm | 103 |
| March | 11.5°C | 2.2°C | 6.8°C | 59 mm | 162 |
| April | 15.1°C | 4.6°C | 9.9°C | 68 mm | 197 |
| May | 18.9°C | 8.5°C | 13.7°C | 85 mm | 209 |
| June | 22.8°C | 11.8°C | 17.3°C | 71 mm | 245 |
| July | 25.2°C | 13.6°C | 19.4°C | 72 mm | 262 |
| August | 25.1°C | 13.4°C | 19.2°C | 66 mm | 228 |
| September | 20.6°C | 10.0°C | 15.3°C | 67 mm | 192 |
| October | 15.5°C | 7.0°C | 11.2°C | 80 mm | 124 |
| November | 9.6°C | 2.9°C | 6.3°C | 86 mm | 72 |
| December | 6.1°C | 0.4°C | 3.3°C | 78 mm | 59 |
| Year | 15.3°C | 6.2°C | 10.7°C | 859 mm | 1,918 |
Where Chailly-sur-Armançon’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Pouilly en aux, 6.2 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, Autun, 37 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 Côte-d'Or.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Chailly-sur-Armançon’s climate
How warm does Chailly-sur-Armançon get in summer?
July is the warmest month, with average highs of 25.2°C. About 50 days a year reach 25°C, fewer than 68% of mainland French towns, and about 13 reach 30°C.
How cold does Chailly-sur-Armançon get in winter?
January nights average −0.3°C. The air drops to 0°C or below on about 65 nights a year, and about 9 days a year stay below freezing all day.
How much rain does Chailly-sur-Armançon get?
About 859 mm a year, more than 72% of mainland French towns. November is the wettest month (86 mm) and February the driest (56 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Autun (37 km away), averages 1,918 hours of sunshine a year.
Are these figures for Chailly-sur-Armançon itself?
No: they are the normals of the Météo-France station matched to Chailly-sur-Armançon, Pouilly en aux, 6.2 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 POUILLY EN AUX_SAPC, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Chailly-sur-Armançon →
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.