Saint-Acheul has cooler summers than 95% of mainland French towns
On a normal January night the air cools to about 1.3°C. None of the 24 towns of 2,500+ in Somme gets more rain. A year here swings 21°C from midwinter lows to midsummer highs. Homes need heating from November to April, the months averaging under 10°C.
Figures from Météo-France’s Bernaville station, 5.7 km south.
A year in Saint-Acheul at a glance
Each month’s typical high and low in °C, at the Bernaville station.
What a year in Saint-Acheul feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Bernaville.
About 877 mm of rain a year
December is the wettest month and April the driest. About 26 days a year bring 10 mm or more. The wettest of 24 towns of 2,500+ in Somme.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Amiens-Glisy
43 frosts and 24 days of 25°C a year
On about 43 nights a year the air drops to 0°C or below, and on about 7 days it stays below freezing all day. About 24 days a year reach 25°C, and 4 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Bernaville: 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 Bernaville
Bernaville is 5.7 km south of Saint-Acheul. Every figure on this page is the station’s, not a measurement in Saint-Acheul itself.
| Station (Météo-France number) | Bernaville (80086002) |
| Distance from the town | 5.7 km south |
| Station altitude | 146 m |
| Town altitude (its center) | 60 m |
| Period | 1991–2020 |
| Sunshine measured at | Amiens-Glisy, 39 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 Saint-Acheul 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 |
|---|---|---|---|---|
| Saint-Acheul | Bernaville | 22.4°C | 1.3°C | 877 mm |
| Auxi-le-Château 5.9 km | same station | 22.4°C about the same | 1.3°C about the same | 877 mm |
| Frévent 13 km | same station | 22.4°C about the same | 1.3°C about the same | 877 mm |
| Doullens 13 km | same station | 22.4°C about the same | 1.3°C about the same | 877 mm |
| Flixecourt 20 km | Abbeville | 22.4°C about the same | 2.2°C 0.9°C milder | 806 mm |
| Hesdin-la-Forêt 22 km | Radinghem | 22.0°C about the same | 1.6°C about the same | 1,038 mm |
| Saint-Pol-sur-Ternoise 24 km | Fiefs | 22.7°C about the same | 1.1°C about the same | 1,071 mm |
Saint-Acheul weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Bernaville station; sunshine at Amiens-Glisy.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.0°C | 1.3°C | 3.7°C | 73 mm | 64 |
| February | 6.9°C | 1.4°C | 4.1°C | 64 mm | 87 |
| March | 10.3°C | 3.3°C | 6.8°C | 67 mm | 147 |
| April | 13.9°C | 4.9°C | 9.4°C | 54 mm | 206 |
| May | 17.1°C | 8.1°C | 12.6°C | 65 mm | 203 |
| June | 20.0°C | 10.8°C | 15.4°C | 61 mm | 220 |
| July | 22.4°C | 12.7°C | 17.6°C | 73 mm | 224 |
| August | 22.6°C | 13.0°C | 17.8°C | 79 mm | 188 |
| September | 19.3°C | 10.6°C | 14.9°C | 66 mm | 168 |
| October | 14.6°C | 7.9°C | 11.2°C | 83 mm | 117 |
| November | 9.7°C | 4.5°C | 7.1°C | 92 mm | 71 |
| December | 6.4°C | 1.9°C | 4.2°C | 103 mm | 67 |
| Year | 14.1°C | 6.7°C | 10.4°C | 877 mm | 1,761 |
Where Saint-Acheul’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Bernaville, 5.7 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, 39 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 Saint-Acheul’s climate
How warm does Saint-Acheul get in summer?
August is the warmest month, with average highs of 22.6°C. About 24 days a year reach 25°C, fewer than 94% of mainland French towns, and about 4 reach 30°C.
How cold does Saint-Acheul get in winter?
January nights average 1.3°C. The air drops to 0°C or below on about 43 nights a year, and about 7 days a year stay below freezing all day.
How much rain does Saint-Acheul get?
About 877 mm a year, more than 74% of mainland French towns. December is the wettest month (103 mm) and April the driest (54 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Amiens-Glisy (39 km away), averages 1,761 hours of sunshine a year.
Are these figures for Saint-Acheul itself?
No: they are the normals of the Météo-France station matched to Saint-Acheul, Bernaville, 5.7 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 BERNAVILLE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Acheul →
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.