Aron has cooler summers than 79% of mainland French towns
A typical July afternoon reaches 24.4°C, a January night drops to 2.3°C, and 850 mm of rain falls in a year. It is a wet place: more rain falls here than on 70% of mainland French towns. Winters go the other way: nights in January are milder than in 59% of mainland French towns. Figures from Météo-France’s Mayenne station, 5.9 km west.
A year in Aron at a glance
Each month’s typical high and low in °C, at the Mayenne station.
What a year in Aron feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Mayenne.
About 850 mm of rain a year
December is the wettest month and June the driest. About 25 days a year bring 10 mm or more. The wettest of 19 towns of 2,500+ in Mayenne.
Rain by month
Millimeters
42 frosts and 43 days of 25°C a year
On about 42 nights a year the air drops to 0°C or below, and on about 2 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 Mayenne: 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 Mayenne
Mayenne is 5.9 km west of Aron. Every figure on this page is the station’s, not a measurement in Aron itself.
| Station (Météo-France number) | Mayenne (53147001) |
| Distance from the town | 5.9 km west |
| Station altitude | 138 m |
| Town altitude (its center) | 131 m |
| Period | 1991–2020 |
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 Aron 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 Mayenne.
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 |
|---|---|---|---|---|
| Aron | Mayenne | 24.4°C | 2.3°C | 850 mm |
| Mayenne 4.1 km | same station | 24.4°C about the same | 2.3°C about the same | 850 mm |
| Ambrières-les-Vallées 13 km | same station | 24.4°C about the same | 2.3°C about the same | 850 mm |
| Montsûrs 17 km | Argentré | 25.2°C 0.8°C warmer | 2.2°C about the same | 781 mm |
| Évron 20 km | Évron | 25.2°C 0.8°C warmer | 2.1°C about the same | 804 mm |
| Villaines-la-Juhel 21 km | Évron | 25.2°C 0.8°C warmer | 2.1°C about the same | 804 mm |
| Louverné 23 km | Argentré | 25.2°C 0.8°C warmer | 2.2°C about the same | 781 mm |
Aron weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Mayenne station.
| Month | High | Low | Mean | Rain |
|---|---|---|---|---|
| January | 8.1°C | 2.3°C | 5.2°C | 87 mm |
| February | 9.3°C | 2.0°C | 5.7°C | 71 mm |
| March | 12.6°C | 3.7°C | 8.1°C | 63 mm |
| April | 15.7°C | 5.4°C | 10.5°C | 57 mm |
| May | 19.0°C | 8.8°C | 13.9°C | 68 mm |
| June | 22.3°C | 11.7°C | 17.0°C | 55 mm |
| July | 24.4°C | 13.4°C | 18.9°C | 58 mm |
| August | 24.4°C | 13.4°C | 18.9°C | 56 mm |
| September | 21.2°C | 10.7°C | 15.9°C | 65 mm |
| October | 16.5°C | 8.5°C | 12.5°C | 86 mm |
| November | 11.6°C | 5.0°C | 8.3°C | 88 mm |
| December | 8.5°C | 2.6°C | 5.6°C | 98 mm |
| Year | 16.1°C | 7.3°C | 11.7°C | 850 mm |
Where Aron’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Mayenne, 5.9 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.
- Comparisons: every town of 2,500 or more in mainland France, read the same way; the dots are the towns of 2,500+ in Mayenne.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Aron’s climate
How warm does Aron get in summer?
July is the warmest month, with average highs of 24.4°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 Aron get in winter?
February nights average 2.0°C. The air drops to 0°C or below on about 42 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Aron get?
About 850 mm a year, more than 70% of mainland French towns. December is the wettest month (98 mm) and June the driest (55 mm).
Are these figures for Aron itself?
No: they are the normals of the Météo-France station matched to Aron, Mayenne, 5.9 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 MAYENNE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Aron →
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.