Warm afternoons come to Trun less often than to 85% of mainland French towns
Nights in January average 2.0°C. Of all months, December brings the most rain and March the least. By rainfall alone, it ranks drier than 76% of mainland French towns. Waterproofs come out on about 122 days a year, each with 1 mm of rain or more.
These are the figures of Météo-France’s L Oudon Lieury station, 17 km north.
A year in Trun at a glance
Each month’s typical high and low in °C, at the L Oudon Lieury station.
What a year in Trun feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at L Oudon Lieury.
About 677 mm of rain a year
December is the wettest month and March the driest. About 17 days a year bring 10 mm or more. 21st wettest of 20 towns of 2,500+ in Orne.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Alençon
A frosty town: 53 frosts and 37 days of 25°C a year
On about 53 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 37 days a year reach 25°C, and 8 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at L Oudon Lieury: 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 L Oudon Lieury
L Oudon Lieury is 17 km north of Trun. Every figure on this page is the station’s, not a measurement in Trun itself.
| Station (Météo-France number) | L Oudon Lieury (14624001) |
| Distance from the town | 17 km north |
| Station altitude | 52 m |
| Town altitude (its center) | 83 m |
| Period | 1991–2020 |
| Nearest station of any kind | 14 km |
| Sunshine measured at | Alençon, 45 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 Trun 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 Orne.
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 |
|---|---|---|---|---|
| Trun | L Oudon Lieury | 24.2°C | 2.0°C | 677 mm |
| Gouffern en Auge 8.9 km | Argentan | 24.4°C about the same | 1.7°C about the same | 692 mm |
| Argentan 12 km | Argentan | 24.4°C about the same | 1.7°C about the same | 692 mm |
| Vimoutiers 15 km | Ticheville | 22.9°C 1.3°C cooler | 1.9°C about the same | 826 mm |
| Falaise 18 km | Damblainville | 23.6°C 0.6°C cooler | 2.5°C 0.5°C milder | 717 mm |
| Saint-Pierre-en-Auge 19 km | same station | 24.2°C about the same | 2.0°C about the same | 677 mm |
| Livarot-Pays-d'Auge 22 km | Ticheville | 22.9°C 1.3°C cooler | 1.9°C about the same | 826 mm |
Trun weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the L Oudon Lieury station; sunshine at Alençon.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 8.3°C | 2.0°C | 5.2°C | 53 mm | 60 |
| February | 9.4°C | 1.6°C | 5.5°C | 45 mm | 89 |
| March | 12.5°C | 2.8°C | 7.7°C | 45 mm | 134 |
| April | 15.5°C | 3.9°C | 9.7°C | 51 mm | 174 |
| May | 18.7°C | 7.4°C | 13.0°C | 63 mm | 198 |
| June | 21.9°C | 10.3°C | 16.1°C | 56 mm | 215 |
| July | 24.2°C | 12.1°C | 18.1°C | 53 mm | 222 |
| August | 24.3°C | 12.2°C | 18.2°C | 58 mm | 214 |
| September | 21.2°C | 9.7°C | 15.5°C | 55 mm | 174 |
| October | 16.7°C | 7.9°C | 12.3°C | 66 mm | 112 |
| November | 12.0°C | 4.6°C | 8.3°C | 64 mm | 73 |
| December | 8.8°C | 2.3°C | 5.6°C | 68 mm | 63 |
| Year | 16.1°C | 6.4°C | 11.3°C | 677 mm | 1,727 |
Where Trun’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for L Oudon Lieury, 17 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, Alençon, 45 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 Orne.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Trun’s climate
How warm does Trun get in summer?
August is the warmest month, with average highs of 24.3°C. About 37 days a year reach 25°C, fewer than 85% of mainland French towns, and about 8 reach 30°C.
How cold does Trun get in winter?
February nights average 1.6°C. The air drops to 0°C or below on about 53 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Trun get?
About 677 mm a year, less than 76% of mainland French towns. December is the wettest month (68 mm) and March the driest (45 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Alençon (45 km away), averages 1,727 hours of sunshine a year.
Are these figures for Trun itself?
No: they are the normals of the Météo-France station matched to Trun, L Oudon Lieury, 17 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 L OUDON LIEURY_SAPC, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Trun →
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.