Dry weather: only 645 mm a year falls on Châtillon-le-Roi, less than on 84% of mainland French towns
January mornings start at about 1.5°C. A year here swings 25°C from midwinter lows to midsummer highs. By frosts alone, it ranks colder than 77% of mainland French towns. Wet days, with 1 mm of rain or more, come about 112 times a year.
Figures from Météo-France’s Trinay station, 15 km south-west.
A year in Châtillon-le-Roi at a glance
Each month’s typical high and low in °C, at the Trinay station.
What a year in Châtillon-le-Roi feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Trinay.
About 645 mm of rain a year
May is the wettest month and February the driest. About 18 days a year bring 10 mm or more. 42nd wettest of 53 towns of 2,500+ in Loiret.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Orleans
A frosty town: 56 frosts and 57 days of 25°C a year
On about 56 nights a year the air drops to 0°C or below, and on about 6 days it stays below freezing all day. About 57 days a year reach 25°C, and 15 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Trinay: 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 Trinay
Trinay is 15 km south-west of Châtillon-le-Roi. Every figure on this page is the station’s, not a measurement in Châtillon-le-Roi itself.
| Station (Météo-France number) | Trinay (45330001) |
| Distance from the town | 15 km south-west |
| Station altitude | 123 m |
| Town altitude (its center) | 133 m |
| Period | 1991–2020 |
| Sunshine measured at | Orleans, 31 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 Châtillon-le-Roi 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 |
|---|---|---|---|---|
| Châtillon-le-Roi | Trinay | 25.7°C | 1.5°C | 645 mm |
| Pithiviers 11 km | Boigneville | 26.0°C about the same | 1.7°C about the same | 616 mm |
| Neuville-aux-Bois 11 km | Loury | 26.7°C 1°C warmer | 1.6°C about the same | 757 mm |
| Toury 13 km | same station | 25.7°C about the same | 1.5°C about the same | 645 mm |
| Le Mérévillois 17 km | Sainville | 25.9°C about the same | 1.2°C about the same | 656 mm |
| Loury 18 km | Loury | 26.7°C 1°C warmer | 1.6°C about the same | 757 mm |
| Angerville 18 km | Sainville | 25.9°C about the same | 1.2°C about the same | 656 mm |
Châtillon-le-Roi weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Trinay station; sunshine at Orleans.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.0°C | 1.5°C | 4.2°C | 48 mm | 64 |
| February | 8.4°C | 1.0°C | 4.7°C | 43 mm | 91 |
| March | 12.6°C | 2.8°C | 7.7°C | 45 mm | 146 |
| April | 16.1°C | 4.7°C | 10.4°C | 49 mm | 186 |
| May | 19.6°C | 8.3°C | 14.0°C | 67 mm | 215 |
| June | 23.1°C | 11.3°C | 17.2°C | 55 mm | 220 |
| July | 25.7°C | 12.9°C | 19.3°C | 57 mm | 232 |
| August | 25.6°C | 12.9°C | 19.3°C | 52 mm | 229 |
| September | 21.4°C | 9.9°C | 15.7°C | 48 mm | 185 |
| October | 16.2°C | 7.7°C | 11.9°C | 62 mm | 121 |
| November | 10.7°C | 4.2°C | 7.5°C | 60 mm | 74 |
| December | 7.4°C | 1.9°C | 4.7°C | 60 mm | 61 |
| Year | 16.1°C | 6.6°C | 11.4°C | 645 mm | 1,823 |
Where Châtillon-le-Roi’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Trinay, 15 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, 31 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 Châtillon-le-Roi’s climate
How warm does Châtillon-le-Roi get in summer?
July is the warmest month, with average highs of 25.7°C. About 57 days a year reach 25°C, fewer than 56% of mainland French towns, and about 15 reach 30°C.
How cold does Châtillon-le-Roi get in winter?
February nights average 1.0°C. The air drops to 0°C or below on about 56 nights a year, and about 6 days a year stay below freezing all day.
How much rain does Châtillon-le-Roi get?
About 645 mm a year, less than 84% of mainland French towns. May is the wettest month (67 mm) and February the driest (43 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Orleans (31 km away), averages 1,823 hours of sunshine a year.
Are these figures for Châtillon-le-Roi itself?
No: they are the normals of the Météo-France station matched to Châtillon-le-Roi, Trinay, 15 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 TRINAY, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Châtillon-le-Roi →
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.