Ice on the ground: Guilly sees more frosts than 76% of mainland French towns
Peak summer warmth arrives in July, with afternoons near 26.8°C. Its yearly rainfall falls short of 74% of mainland French towns. Temperatures cover 26°C across the year, low to high. Homes need heating from November to March, the months averaging under 10°C.
Figures from Météo-France’s Saint-Benoît/Loire station, 2.9 km east.
A year in Guilly at a glance
Each month’s typical high and low in °C, at the Saint-Benoît/Loire 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 Saint-Benoît/Loire.
About 687 mm of rain a year
May is the wettest month and March the driest. About 17 days a year bring 10 mm or more. 36th 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 71 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 71 days a year reach 25°C, and 22 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Saint-Benoît/Loire: 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 Saint-Benoît/Loire
Saint-Benoît/Loire is 2.9 km east of Guilly. Every figure on this page is the station’s, not a measurement in Guilly itself.
| Station (Météo-France number) | Saint-Benoît/Loire (45270002) |
| Distance from the town | 2.9 km east |
| Station altitude | 112 m |
| Town altitude (its center) | 110 m |
| Period | 1991–2020 |
| Sunshine measured at | Orleans, 42 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 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 |
|---|---|---|---|---|
| Guilly | Saint-Benoît/Loire | 26.8°C | 1.4°C | 687 mm |
| Châteauneuf-sur-Loire 8.3 km | same station | 26.8°C about the same | 1.4°C about the same | 687 mm |
| Sully-sur-Loire 8.5 km | same station | 26.8°C about the same | 1.4°C about the same | 687 mm |
| Jargeau 13 km | same station | 26.8°C about the same | 1.4°C about the same | 687 mm |
| Saint-Denis-de-l'Hôtel 13 km | same station | 26.8°C about the same | 1.4°C about the same | 687 mm |
| Ouzouer-sur-Loire 16 km | same station | 26.8°C about the same | 1.4°C about the same | 687 mm |
| Donnery 17 km | Loury | 26.7°C about the same | 1.6°C about the same | 757 mm |
Guilly weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Saint-Benoît/Loire station; sunshine at Orleans.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.5°C | 1.4°C | 4.5°C | 55 mm | 64 |
| February | 9.0°C | 1.0°C | 5.0°C | 51 mm | 91 |
| March | 13.3°C | 3.2°C | 8.2°C | 47 mm | 146 |
| April | 16.9°C | 5.0°C | 11.0°C | 55 mm | 186 |
| May | 20.8°C | 8.9°C | 14.8°C | 70 mm | 215 |
| June | 24.3°C | 12.3°C | 18.3°C | 50 mm | 220 |
| July | 26.8°C | 14.0°C | 20.4°C | 56 mm | 232 |
| August | 26.8°C | 13.6°C | 20.2°C | 49 mm | 229 |
| September | 22.4°C | 10.3°C | 16.4°C | 53 mm | 185 |
| October | 17.2°C | 7.9°C | 12.5°C | 62 mm | 121 |
| November | 11.3°C | 4.3°C | 7.8°C | 68 mm | 74 |
| December | 7.9°C | 1.9°C | 4.9°C | 70 mm | 61 |
| Year | 17.0°C | 7.0°C | 12.0°C | 687 mm | 1,823 |
Where Guilly’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Saint-Benoît/Loire, 2.9 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, 42 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 Guilly’s climate
How warm does Guilly get in summer?
July is the warmest month, with average highs of 26.8°C. About 71 days a year reach 25°C, more than 65% of mainland French towns, and about 22 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 687 mm a year, less than 74% of mainland French towns. May is the wettest month (70 mm) and March the driest (47 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Orleans (42 km away), averages 1,823 hours of sunshine a year.
Are these figures for Guilly itself?
No: they are the normals of the Météo-France station matched to Guilly, Saint-Benoît/Loire, 2.9 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 ST-BENOIT/LOIRE, 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.