Neither notably warm, cold, wet nor dry, Treis-Sants-en-Ouche sits near the middle of mainland French towns
About 792 mm of rain falls in a typical year; July afternoons reach 25.0°C and January nights drop to 1.7°C. Temperatures cover 24°C across the year, low to high. Its July afternoons stay fresher than in 72% of mainland French towns. Picnics, hikes and garden evenings come into their own from May to September, with highs of 20–25°C.
Figures from Météo-France’s Brionne station, 16 km north-east.
A year in Treis-Sants-en-Ouche at a glance
Each month’s typical high and low in °C, at the Brionne station.
What a year in Treis-Sants-en-Ouche feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Brionne.
About 792 mm of rain a year
December is the wettest month and April the driest. About 21 days a year bring 10 mm or more. 12th wettest of 39 towns of 2,500+ in Eure.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Evreux-Huest
A frosty town: 52 frosts and 50 days of 25°C a year
On about 52 nights a year the air drops to 0°C or below, and on about 3 days it stays below freezing all day. About 50 days a year reach 25°C, and 12 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Brionne: 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 Brionne
Brionne is 16 km north-east of Treis-Sants-en-Ouche. Every figure on this page is the station’s, not a measurement in Treis-Sants-en-Ouche itself.
| Station (Météo-France number) | Brionne (27116001) |
| Distance from the town | 16 km north-east |
| Station altitude | 59 m |
| Town altitude (its center) | 154 m |
| Period | 1991–2020 |
| Nearest station of any kind | 6.3 km |
| Sunshine measured at | Evreux-Huest, 44 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 Treis-Sants-en-Ouche 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 Eure.
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 |
|---|---|---|---|---|
| Treis-Sants-en-Ouche | Brionne | 25.0°C | 1.7°C | 792 mm |
| Bernay 3.9 km | same station | 25.0°C about the same | 1.7°C about the same | 792 mm |
| Mesnil-en-Ouche 8.8 km | Les Bottereaux | 25.2°C about the same | 0.9°C 0.8°C colder | 737 mm |
| Beaumont-le-Roger 11 km | same station | 25.0°C about the same | 1.7°C about the same | 792 mm |
| Brionne 16 km | same station | 25.0°C about the same | 1.7°C about the same | 792 mm |
| Le Neubourg 23 km | same station | 25.0°C about the same | 1.7°C about the same | 792 mm |
| La Ferté-en-Ouche 25 km | L'Aigle | 23.6°C 1.4°C cooler | 1.4°C about the same | 730 mm |
Treis-Sants-en-Ouche weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Brionne station; sunshine at Evreux-Huest.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.9°C | 1.7°C | 4.8°C | 72 mm | 64 |
| February | 9.2°C | 1.5°C | 5.4°C | 60 mm | 80 |
| March | 12.6°C | 3.1°C | 7.8°C | 58 mm | 128 |
| April | 16.0°C | 4.6°C | 10.3°C | 54 mm | 173 |
| May | 19.6°C | 8.0°C | 13.8°C | 62 mm | 194 |
| June | 23.0°C | 11.2°C | 17.1°C | 55 mm | 208 |
| July | 25.0°C | 12.8°C | 18.9°C | 60 mm | 214 |
| August | 24.9°C | 12.7°C | 18.8°C | 63 mm | 206 |
| September | 21.7°C | 9.8°C | 15.7°C | 61 mm | 170 |
| October | 16.6°C | 7.6°C | 12.1°C | 75 mm | 120 |
| November | 11.4°C | 4.2°C | 7.8°C | 79 mm | 72 |
| December | 8.2°C | 2.0°C | 5.1°C | 95 mm | 62 |
| Year | 16.3°C | 6.6°C | 11.5°C | 792 mm | 1,690 |
Where Treis-Sants-en-Ouche’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Brionne, 16 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, Evreux-Huest, 44 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 Eure.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Treis-Sants-en-Ouche’s climate
How warm does Treis-Sants-en-Ouche get in summer?
July is the warmest month, with average highs of 25.0°C. About 50 days a year reach 25°C, fewer than 68% of mainland French towns, and about 12 reach 30°C.
How cold does Treis-Sants-en-Ouche get in winter?
February nights average 1.5°C. The air drops to 0°C or below on about 52 nights a year, and about 3 days a year stay below freezing all day.
How much rain does Treis-Sants-en-Ouche get?
About 792 mm a year, more than 58% of mainland French towns. December is the wettest month (95 mm) and April the driest (54 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Evreux-Huest (44 km away), averages 1,690 hours of sunshine a year.
Are these figures for Treis-Sants-en-Ouche itself?
No: they are the normals of the Météo-France station matched to Treis-Sants-en-Ouche, Brionne, 16 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 BRIONNE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Treis-Sants-en-Ouche →
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.