Rainfall in Thory trails that of 83% of mainland French towns: 648 mm a year
On a normal July day the thermometer tops out near 24.5°C. Of all months, December brings the most rain and February the least. Days of 25°C are scarce: about 39 a year, fewer than in 81% of mainland French towns. Long walks are most pleasant from June to September, when afternoons reach 21–25°C.
These are the figures of Météo-France’s Rouvroy-les-Merles station, 8.8 km south-west.
A year in Thory at a glance
Each month’s typical high and low in °C, at the Rouvroy-les-Merles station.
What a year in Thory feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Rouvroy-les-Merles.
About 648 mm of rain a year
December is the wettest month and February the driest. About 16 days a year bring 10 mm or more. 10th wettest of 24 towns of 2,500+ in Somme.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Amiens-Glisy
A frosty town: 58 frosts and 39 days of 25°C a year
On about 58 nights a year the air drops to 0°C or below, and on about 5 days it stays below freezing all day. About 39 days a year reach 25°C, and 9 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Rouvroy-les-Merles: 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 Rouvroy-les-Merles
Rouvroy-les-Merles is 8.8 km south-west of Thory. Every figure on this page is the station’s, not a measurement in Thory itself.
| Station (Météo-France number) | Rouvroy-les-Merles (60555002) |
| Distance from the town | 8.8 km south-west |
| Station altitude | 94 m |
| Town altitude (its center) | 112 m |
| Period | 1991–2020 |
| Sunshine measured at | Amiens-Glisy, 17 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 Thory 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 |
|---|---|---|---|---|
| Thory | Rouvroy-les-Merles | 24.5°C | 1.2°C | 648 mm |
| Ailly-sur-Noye 6.2 km | same station | 24.5°C about the same | 1.2°C about the same | 648 mm |
| Moreuil 7.3 km | Amiens-Glisy | 23.9°C 0.6°C cooler | 1.6°C about the same | 647 mm |
| Montdidier 13 km | Godenvillers | 25.4°C 0.9°C warmer | 1.1°C about the same | 702 mm |
| Breteuil 14 km | same station | 24.5°C about the same | 1.2°C about the same | 648 mm |
| Boves 15 km | Amiens-Glisy | 23.9°C 0.6°C cooler | 1.6°C about the same | 647 mm |
| Longueau 18 km | Amiens-Glisy | 23.9°C 0.6°C cooler | 1.6°C about the same | 647 mm |
Thory weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Rouvroy-les-Merles station; sunshine at Amiens-Glisy.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.6°C | 1.2°C | 3.9°C | 52 mm | 64 |
| February | 7.7°C | 1.1°C | 4.4°C | 43 mm | 87 |
| March | 11.5°C | 2.6°C | 7.0°C | 46 mm | 147 |
| April | 15.2°C | 3.9°C | 9.5°C | 43 mm | 206 |
| May | 18.6°C | 7.2°C | 12.9°C | 57 mm | 203 |
| June | 21.9°C | 10.0°C | 16.0°C | 54 mm | 220 |
| July | 24.5°C | 12.0°C | 18.2°C | 60 mm | 224 |
| August | 24.5°C | 12.0°C | 18.2°C | 58 mm | 188 |
| September | 20.6°C | 9.5°C | 15.1°C | 49 mm | 168 |
| October | 15.6°C | 7.3°C | 11.5°C | 58 mm | 117 |
| November | 10.3°C | 4.2°C | 7.2°C | 57 mm | 71 |
| December | 7.0°C | 1.8°C | 4.4°C | 70 mm | 67 |
| Year | 15.3°C | 6.1°C | 10.7°C | 648 mm | 1,761 |
Where Thory’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Rouvroy-les-Merles, 8.8 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, 17 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 Thory’s climate
How warm does Thory get in summer?
July is the warmest month, with average highs of 24.5°C. About 39 days a year reach 25°C, fewer than 81% of mainland French towns, and about 9 reach 30°C.
How cold does Thory get in winter?
February nights average 1.1°C. The air drops to 0°C or below on about 58 nights a year, and about 5 days a year stay below freezing all day.
How much rain does Thory get?
About 648 mm a year, less than 83% of mainland French towns. December is the wettest month (70 mm) and February the driest (43 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Amiens-Glisy (17 km away), averages 1,761 hours of sunshine a year.
Are these figures for Thory itself?
No: they are the normals of the Météo-France station matched to Thory, Rouvroy-les-Merles, 8.8 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 ROUVROY-LES-MERLES, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Thory →
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.