For weather, Marais-Vernier is about as ordinary as mainland French towns get
A typical year brings 844 mm of rain, with July afternoons around 25.2°C and January nights around 2.7°C. Wet weather is most frequent in December and least in April. Rain is plentiful here, more than falls on 69% of mainland French towns. Homes need heating from November to March, the months averaging under 10°C.
Figures from Météo-France’s Jumièges station, 26 km east: at that distance, read them as the area’s climate rather than the town’s.
A year in Marais-Vernier at a glance
Each month’s typical high and low in °C, at the Jumièges station.
What a year in Marais-Vernier feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Jumièges.
About 844 mm of rain a year
December is the wettest month and April the driest. About 24 days a year bring 10 mm or more. 4th wettest of 39 towns of 2,500+ in Eure.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Saint-Gatien des B
37 frosts and 52 days of 25°C a year
On about 37 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 52 days a year reach 25°C, and 14 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Jumièges: 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 Jumièges
Jumièges is 26 km east of Marais-Vernier. Every figure on this page is the station’s, not a measurement in Marais-Vernier itself.
| Station (Météo-France number) | Jumièges (76378001) |
| Distance from the town | 26 km east |
| Station altitude | 30 m |
| Town altitude (its center) | 6 m |
| Period | 1991–2020 |
| Nearest station of any kind | 7.8 km |
| Sunshine measured at | Saint-Gatien des B, 22 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 Marais-Vernier 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 |
|---|---|---|---|---|
| Marais-Vernier | Jumièges | 25.2°C | 2.7°C | 844 mm |
| Pont-Audemer 8.2 km | same station | 25.2°C about the same | 2.7°C about the same | 844 mm |
| Beuzeville 12 km | Saint-Gatien des B | 21.6°C 3.6°C cooler | 2.5°C about the same | 920 mm |
| Port-Jérôme-sur-Seine 13 km | same station | 25.2°C about the same | 2.7°C about the same | 844 mm |
| Lillebonne 13 km | same station | 25.2°C about the same | 2.7°C about the same | 844 mm |
| La Rivière-Saint-Sauveur 14 km | Saint-Gatien des B | 21.6°C 3.6°C cooler | 2.5°C about the same | 920 mm |
| Saint-Romain-de-Colbosc 14 km | Octeville | 21.2°C 4°C cooler | 3.5°C 0.8°C milder | 791 mm |
Marais-Vernier weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Jumièges station; sunshine at Saint-Gatien des B.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 8.5°C | 2.7°C | 5.6°C | 77 mm | 67 |
| February | 9.6°C | 2.5°C | 6.1°C | 65 mm | 81 |
| March | 13.0°C | 4.1°C | 8.6°C | 61 mm | 128 |
| April | 16.5°C | 5.6°C | 11.1°C | 56 mm | 178 |
| May | 19.9°C | 8.8°C | 14.3°C | 63 mm | 190 |
| June | 23.1°C | 11.8°C | 17.4°C | 57 mm | 203 |
| July | 25.2°C | 13.8°C | 19.5°C | 66 mm | 205 |
| August | 25.3°C | 13.7°C | 19.5°C | 68 mm | 196 |
| September | 21.9°C | 11.2°C | 16.6°C | 63 mm | 160 |
| October | 17.2°C | 8.9°C | 13.0°C | 81 mm | 113 |
| November | 12.1°C | 5.6°C | 8.8°C | 82 mm | 71 |
| December | 8.8°C | 3.2°C | 6.0°C | 105 mm | 58 |
| Year | 16.8°C | 7.7°C | 12.2°C | 844 mm | 1,651 |
Where Marais-Vernier’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Jumièges, 26 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, Saint-Gatien des B, 22 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 Marais-Vernier’s climate
How warm does Marais-Vernier get in summer?
August is the warmest month, with average highs of 25.3°C. About 52 days a year reach 25°C, fewer than 66% of mainland French towns, and about 14 reach 30°C.
How cold does Marais-Vernier get in winter?
February nights average 2.5°C. The air drops to 0°C or below on about 37 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Marais-Vernier get?
About 844 mm a year, more than 69% of mainland French towns. December is the wettest month (105 mm) and April the driest (56 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Saint-Gatien des B (22 km away), averages 1,651 hours of sunshine a year.
Are these figures for Marais-Vernier itself?
No: they are the normals of the Météo-France station matched to Marais-Vernier, Jumièges, 26 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 JUMIEGES, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Marais-Vernier →
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.