Summer warmth: Mailly-Raineval logs fewer 25-degree days than 86% of mainland French towns
On a normal January night the air cools to about 1.6°C. Its yearly rainfall falls short of 84% of mainland French towns. Rain peaks in December and eases off in April. Expect about 45 frosty starts a year, nights when the air falls below freezing.
These are the figures of Météo-France’s Amiens-Glisy station, 15 km north.
A year in Mailly-Raineval at a glance
Each month’s typical high and low in °C, at the Amiens-Glisy station.
What a year in Mailly-Raineval feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Amiens-Glisy.
About 647 mm of rain a year
December is the wettest month and April the driest. About 16 days a year bring 10 mm or more. 12th wettest of 24 towns of 2,500+ in Somme.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Amiens-Glisy
45 frosts and 35 days of 25°C a year
On about 45 nights a year the air drops to 0°C or below, and on about 5 days it stays below freezing all day. About 35 days a year reach 25°C, and 8 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Amiens-Glisy: 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 Amiens-Glisy
Amiens-Glisy is 15 km north of Mailly-Raineval. Every figure on this page is the station’s, not a measurement in Mailly-Raineval itself.
| Station (Météo-France number) | Amiens-Glisy (80379002) |
| Distance from the town | 15 km north |
| Station altitude | 60 m |
| Town altitude (its center) | 57 m |
| Period | 1991–2020 |
| Nearest station of any kind | 12 km |
| Sunshine measured at | the same station |
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 Mailly-Raineval 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 Somme.
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 |
|---|---|---|---|---|
| Mailly-Raineval | Amiens-Glisy | 23.9°C | 1.6°C | 647 mm |
| Moreuil 4 km | same station | 23.9°C about the same | 1.6°C about the same | 647 mm |
| Ailly-sur-Noye 6.4 km | Rouvroy-les-Merles | 24.5°C 0.6°C warmer | 1.2°C about the same | 648 mm |
| Boves 12 km | same station | 23.9°C about the same | 1.6°C about the same | 647 mm |
| Montdidier 14 km | Godenvillers | 25.4°C 1.5°C warmer | 1.1°C 0.5°C colder | 702 mm |
| Villers-Bretonneux 14 km | same station | 23.9°C about the same | 1.6°C about the same | 647 mm |
| Longueau 16 km | same station | 23.9°C about the same | 1.6°C about the same | 647 mm |
Mailly-Raineval weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Amiens-Glisy station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.7°C | 1.6°C | 4.2°C | 49 mm | 64 |
| February | 7.8°C | 1.6°C | 4.7°C | 45 mm | 87 |
| March | 11.5°C | 3.4°C | 7.5°C | 45 mm | 147 |
| April | 15.2°C | 5.1°C | 10.1°C | 39 mm | 206 |
| May | 18.5°C | 8.4°C | 13.5°C | 56 mm | 203 |
| June | 21.6°C | 11.4°C | 16.5°C | 55 mm | 220 |
| July | 23.9°C | 13.4°C | 18.7°C | 59 mm | 224 |
| August | 24.0°C | 13.3°C | 18.7°C | 60 mm | 188 |
| September | 20.5°C | 10.7°C | 15.6°C | 48 mm | 168 |
| October | 15.6°C | 8.0°C | 11.8°C | 58 mm | 117 |
| November | 10.5°C | 4.7°C | 7.6°C | 60 mm | 71 |
| December | 7.1°C | 2.2°C | 4.7°C | 72 mm | 67 |
| Year | 15.2°C | 7.0°C | 11.1°C | 647 mm | 1,761 |
Where Mailly-Raineval’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Amiens-Glisy, 15 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, Amiens-Glisy, 15 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 Somme.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Mailly-Raineval’s climate
How warm does Mailly-Raineval get in summer?
August is the warmest month, with average highs of 24.0°C. About 35 days a year reach 25°C, fewer than 86% of mainland French towns, and about 8 reach 30°C.
How cold does Mailly-Raineval get in winter?
January nights average 1.6°C. The air drops to 0°C or below on about 45 nights a year, and about 5 days a year stay below freezing all day.
How much rain does Mailly-Raineval get?
About 647 mm a year, less than 84% of mainland French towns. December is the wettest month (72 mm) and April the driest (39 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Amiens-Glisy (15 km away), averages 1,761 hours of sunshine a year.
Are these figures for Mailly-Raineval itself?
No: they are the normals of the Météo-France station matched to Mailly-Raineval, Amiens-Glisy, 15 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 AMIENS-GLISY, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Mailly-Raineval →
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.