Semoy gets more frosts than 75% of mainland French towns
Sunny July days climb to about 26.0°C. December is the wettest month, March the driest. Its yearly rainfall falls short of 60% of mainland French towns. Garden chairs stay out from May to September, the months with highs of 20–26°C.
Figures from Météo-France’s Fleury-les-Aub. station, 2.8 km west.
A year in Semoy at a glance
Each month’s typical high and low in °C, at the Fleury-les-Aub. station.
What a year in Semoy feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Fleury-les-Aub..
About 729 mm of rain a year
December is the wettest month and March the driest. About 21 days a year bring 10 mm or more. 16th wettest of 53 towns of 2,500+ in Loiret.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Orleans
A frosty town: 55 frosts and 61 days of 25°C a year
On about 55 nights a year the air drops to 0°C or below, and on about 5 days it stays below freezing all day. About 61 days a year reach 25°C, and 17 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Fleury-les-Aub.: 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 Fleury-les-Aub.
Fleury-les-Aub. is 2.8 km west of Semoy. Every figure on this page is the station’s, not a measurement in Semoy itself.
| Station (Météo-France number) | Fleury-les-Aub. (45147001) |
| Distance from the town | 2.8 km west |
| Station altitude | 119 m |
| Town altitude (its center) | 123 m |
| Period | 1991–2020 |
| Sunshine measured at | Orleans, 14 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 Semoy 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 Loiret.
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 |
|---|---|---|---|---|
| Semoy | Fleury-les-Aub. | 26.0°C | 1.4°C | 729 mm |
| Fleury-les-Aubrais 2.4 km | same station | 26.0°C about the same | 1.4°C about the same | 729 mm |
| Saint-Jean-de-Braye 2.8 km | same station | 26.0°C about the same | 1.4°C about the same | 729 mm |
| Saran 4.9 km | same station | 26.0°C about the same | 1.4°C about the same | 729 mm |
| Orléans 5.3 km | same station | 26.0°C about the same | 1.4°C about the same | 729 mm |
| Saint-Jean-le-Blanc 5.5 km | same station | 26.0°C about the same | 1.4°C about the same | 729 mm |
| Saint-Denis-en-Val 6 km | same station | 26.0°C about the same | 1.4°C about the same | 729 mm |
Semoy weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Fleury-les-Aub. station; sunshine at Orleans.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.3°C | 1.4°C | 4.3°C | 59 mm | 64 |
| February | 8.7°C | 0.9°C | 4.8°C | 55 mm | 91 |
| March | 12.9°C | 3.0°C | 7.9°C | 52 mm | 146 |
| April | 16.3°C | 5.0°C | 10.6°C | 52 mm | 186 |
| May | 19.9°C | 8.7°C | 14.3°C | 75 mm | 215 |
| June | 23.5°C | 11.9°C | 17.7°C | 53 mm | 220 |
| July | 26.0°C | 13.8°C | 19.9°C | 58 mm | 232 |
| August | 26.1°C | 13.5°C | 19.8°C | 58 mm | 229 |
| September | 21.9°C | 10.2°C | 16.1°C | 56 mm | 185 |
| October | 16.7°C | 7.8°C | 12.3°C | 67 mm | 121 |
| November | 11.0°C | 4.2°C | 7.6°C | 69 mm | 74 |
| December | 7.7°C | 1.9°C | 4.8°C | 75 mm | 61 |
| Year | 16.5°C | 6.9°C | 11.7°C | 729 mm | 1,823 |
Where Semoy’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Fleury-les-Aub., 2.8 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, Orleans, 14 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 Loiret.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Semoy’s climate
How warm does Semoy get in summer?
August is the warmest month, with average highs of 26.1°C. About 61 days a year reach 25°C, fewer than 50% of mainland French towns, and about 17 reach 30°C.
How cold does Semoy get in winter?
February nights average 0.9°C. The air drops to 0°C or below on about 55 nights a year, and about 5 days a year stay below freezing all day.
How much rain does Semoy get?
About 729 mm a year, less than 60% of mainland French towns. December is the wettest month (75 mm) and March the driest (52 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Orleans (14 km away), averages 1,823 hours of sunshine a year.
Are these figures for Semoy itself?
No: they are the normals of the Météo-France station matched to Semoy, Fleury-les-Aub., 2.8 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 FLEURY-LES-AUB., edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Semoy →
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.