Guilly gets more frosts than 76% of mainland French towns
Midsummer highs settle at about 26.8°C. About 72 days a year reach 25°C, more than in 66% of mainland French towns. A year here swings 26°C from midwinter lows to midsummer highs. Garden chairs stay out from May to October, the months with highs of 18–27°C.
These are the figures of Météo-France’s Graçay station, 10 km north-east.
A year in Guilly at a glance
Each month’s typical high and low in °C, at the Graçay station.
What a year in Guilly feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Graçay.
About 741 mm of rain a year
May is the wettest month and February the driest. About 21 days a year bring 10 mm or more. 9th wettest of 13 towns of 2,500+ in Indre.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Chateauroux Déols
A frosty town: 55 frosts and 72 days of 25°C a year
On about 55 nights a year the air drops to 0°C or below, and on about 4 days it stays below freezing all day. About 72 days a year reach 25°C, and 21 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Graçay: 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 Graçay
Graçay is 10 km north-east of Guilly. Every figure on this page is the station’s, not a measurement in Guilly itself.
| Station (Météo-France number) | Graçay (18103001) |
| Distance from the town | 10 km north-east |
| Station altitude | 108 m |
| Town altitude (its center) | 135 m |
| Period | 1991–2020 |
| Sunshine measured at | Chateauroux Déols, 23 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 Guilly 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 Indre.
Nearby towns’ climate
The nearest towns of 2,500+ within 29 km, each with its own matched station.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Guilly | Graçay | 26.8°C | 1.5°C | 741 mm |
| Levroux 15 km | Levroux - Treg. | 26.2°C 0.6°C cooler | 1.6°C about the same | 738 mm |
| Chabris 20 km | Romorantin | 26.4°C about the same | 1.1°C about the same | 696 mm |
| Villefranche-sur-Cher 24 km | Romorantin | 26.4°C about the same | 1.1°C about the same | 696 mm |
| Issoudun 25 km | Chateauroux Déols | 26.4°C about the same | 1.7°C about the same | 729 mm |
| Selles-sur-Cher 26 km | Romorantin | 26.4°C about the same | 1.1°C about the same | 696 mm |
| Méreau 27 km | Vierzon - Veves | 27.9°C 1.1°C warmer | 1.2°C about the same | 746 mm |
Guilly weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Graçay station; sunshine at Chateauroux Déols.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.7°C | 1.5°C | 4.6°C | 62 mm | 69 |
| February | 9.3°C | 1.0°C | 5.2°C | 51 mm | 97 |
| March | 13.8°C | 3.0°C | 8.4°C | 53 mm | 158 |
| April | 17.2°C | 4.9°C | 11.1°C | 62 mm | 186 |
| May | 20.9°C | 8.8°C | 14.9°C | 75 mm | 213 |
| June | 24.6°C | 12.2°C | 18.4°C | 54 mm | 218 |
| July | 26.8°C | 13.9°C | 20.3°C | 56 mm | 243 |
| August | 26.7°C | 13.7°C | 20.2°C | 58 mm | 240 |
| September | 22.7°C | 10.4°C | 16.5°C | 59 mm | 195 |
| October | 17.5°C | 8.2°C | 12.9°C | 72 mm | 129 |
| November | 11.6°C | 4.3°C | 7.9°C | 68 mm | 82 |
| December | 8.1°C | 2.0°C | 5.0°C | 71 mm | 63 |
| Year | 17.2°C | 7.0°C | 12.1°C | 741 mm | 1,891 |
Where Guilly’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Graçay, 10 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, Chateauroux Déols, 23 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 Indre.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Guilly’s climate
How warm does Guilly get in summer?
July is the warmest month, with average highs of 26.8°C. About 72 days a year reach 25°C, more than 66% of mainland French towns, and about 21 reach 30°C.
How cold does Guilly get in winter?
February nights average 1.0°C. The air drops to 0°C or below on about 55 nights a year, and about 4 days a year stay below freezing all day.
How much rain does Guilly get?
About 741 mm a year, less than 54% of mainland French towns. May is the wettest month (75 mm) and February the driest (51 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Chateauroux Déols (23 km away), averages 1,891 hours of sunshine a year.
Are these figures for Guilly itself?
No: they are the normals of the Météo-France station matched to Guilly, Graçay, 10 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 GRACAY, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Guilly →
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.