Hermes gets fewer days of 25 degrees or more than 82% of mainland French towns
Midwinter brings lows of about 1.4°C. From frosty January to warm July, readings climb 23°C. By rainfall alone, it ranks drier than 82% of mainland French towns. Windscreens need scraping on about 53 mornings a year, the nights the air drops below 0°C.
Figures from Météo-France’s Beauvais-Tillé station, 13 km north-west.
A year in Hermes at a glance
Each month’s typical high and low in °C, at the Beauvais-Tillé station.
What a year in Hermes feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Beauvais-Tillé.
About 656 mm of rain a year
December is the wettest month and April the driest. About 16 days a year bring 10 mm or more. 39th wettest of 59 towns of 2,500+ in Oise.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Beauvais-Tillé
A frosty town: 53 frosts and 38 days of 25°C a year
On about 53 nights a year the air drops to 0°C or below, and on about 5 days it stays below freezing all day. About 38 days a year reach 25°C, and 9 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Beauvais-Tillé: 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 Beauvais-Tillé
Beauvais-Tillé is 13 km north-west of Hermes. Every figure on this page is the station’s, not a measurement in Hermes itself.
| Station (Météo-France number) | Beauvais-Tillé (60639001) |
| Distance from the town | 13 km north-west |
| Station altitude | 89 m |
| Town altitude (its center) | 53 m |
| Period | 1991–2020 |
| Sunshine measured at | the same station |
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 Hermes 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 Oise.
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 |
|---|---|---|---|---|
| Hermes | Beauvais-Tillé | 24.4°C | 1.4°C | 656 mm |
| Noailles 4.6 km | same station | 24.4°C about the same | 1.4°C about the same | 656 mm |
| Bresles 5.8 km | same station | 24.4°C about the same | 1.4°C about the same | 656 mm |
| Mouy 6.6 km | Creil | 24.9°C 0.5°C warmer | 1.4°C about the same | 662 mm |
| Sainte-Geneviève 8.2 km | same station | 24.4°C about the same | 1.4°C about the same | 656 mm |
| Bury 8.5 km | Creil | 24.9°C 0.5°C warmer | 1.4°C about the same | 662 mm |
| Agnetz 10 km | Creil | 24.9°C 0.5°C warmer | 1.4°C about the same | 662 mm |
Hermes weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Beauvais-Tillé station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.7°C | 1.4°C | 4.1°C | 54 mm | 60 |
| February | 7.8°C | 1.2°C | 4.5°C | 45 mm | 79 |
| March | 11.6°C | 3.0°C | 7.3°C | 46 mm | 127 |
| April | 15.2°C | 4.4°C | 9.8°C | 45 mm | 179 |
| May | 18.6°C | 7.9°C | 13.2°C | 61 mm | 203 |
| June | 21.8°C | 11.0°C | 16.4°C | 53 mm | 209 |
| July | 24.4°C | 12.8°C | 18.6°C | 54 mm | 220 |
| August | 24.4°C | 12.9°C | 18.6°C | 58 mm | 208 |
| September | 20.6°C | 10.1°C | 15.4°C | 49 mm | 164 |
| October | 15.7°C | 7.6°C | 11.7°C | 58 mm | 112 |
| November | 10.4°C | 4.3°C | 7.4°C | 58 mm | 68 |
| December | 7.1°C | 1.8°C | 4.5°C | 76 mm | 55 |
| Year | 15.4°C | 6.5°C | 11.0°C | 656 mm | 1,682 |
Where Hermes’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Beauvais-Tillé, 13 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, Beauvais-Tillé, 13 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 Oise.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Hermes’s climate
How warm does Hermes get in summer?
July is the warmest month, with average highs of 24.4°C. About 38 days a year reach 25°C, fewer than 82% of mainland French towns, and about 9 reach 30°C.
How cold does Hermes get in winter?
February nights average 1.2°C. The air drops to 0°C or below on about 53 nights a year, and about 5 days a year stay below freezing all day.
How much rain does Hermes get?
About 656 mm a year, less than 82% of mainland French towns. December is the wettest month (76 mm) and April the driest (45 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Beauvais-Tillé (13 km away), averages 1,682 hours of sunshine a year.
Are these figures for Hermes itself?
No: they are the normals of the Météo-France station matched to Hermes, Beauvais-Tillé, 13 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 BEAUVAIS-TILLE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Hermes →
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.