Less rain falls on Sonzay than on 75% of mainland French towns: 682 mm a year
Sunny July days climb to about 25.9°C. Its January nights stay gentler than in 63% of mainland French towns. Seasons differ by 24°C, from the coldest nights to the warmest afternoons. Long walks are most pleasant from May to October, when afternoons reach 17–26°C.
These are the figures of Météo-France’s Saint-Christophe-sur-Nais station, 10 km north.
A year in Sonzay at a glance
Each month’s typical high and low in °C, at the Saint-Christophe-sur-Nais station.
What a year in Sonzay feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Saint-Christophe-sur-Nais.
About 682 mm of rain a year
December is the wettest month and March the driest. About 19 days a year bring 10 mm or more. 25th wettest of 47 towns of 2,500+ in Indre-et-Loire.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Tours
38 frosts and 56 days of 25°C a year
On about 38 nights a year the air drops to 0°C or below, and on about 3 days it stays below freezing all day. About 56 days a year reach 25°C, and 15 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Saint-Christophe-sur-Nais: 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-Christophe-sur-Nais
Saint-Christophe-sur-Nais is 10 km north of Sonzay. Every figure on this page is the station’s, not a measurement in Sonzay itself.
| Station (Météo-France number) | Saint-Christophe-sur-Nais (37213003) |
| Distance from the town | 10 km north |
| Station altitude | 107 m |
| Town altitude (its center) | 106 m |
| Period | 1992–2020 (the station’s own record) |
| Sunshine measured at | Tours, 22 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 Sonzay 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-et-Loire.
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 |
|---|---|---|---|---|
| Sonzay | Saint-Christophe-sur-Nais | 25.9°C | 2.5°C | 682 mm |
| La Membrolle-sur-Choisille 15 km | Fondettes | 25.9°C about the same | 2.0°C 0.5°C colder | 726 mm |
| Luynes 16 km | Fondettes | 25.9°C about the same | 2.0°C 0.5°C colder | 726 mm |
| Fondettes 17 km | Fondettes | 25.9°C about the same | 2.0°C 0.5°C colder | 726 mm |
| Chanceaux-sur-Choisille 18 km | Tours | 25.9°C about the same | 2.5°C about the same | 678 mm |
| Cinq-Mars-la-Pile 19 km | Lignières-de-T. | 26.0°C about the same | 1.8°C 0.7°C colder | 700 mm |
| Montval-sur-Loir 19 km | same station | 25.9°C about the same | 2.5°C about the same | 682 mm |
Sonzay weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Saint-Christophe-sur-Nais station; sunshine at Tours.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.8°C | 2.5°C | 5.1°C | 62 mm | 68 |
| February | 9.2°C | 2.3°C | 5.8°C | 49 mm | 95 |
| March | 12.8°C | 3.8°C | 8.3°C | 48 mm | 149 |
| April | 16.1°C | 5.6°C | 10.8°C | 53 mm | 187 |
| May | 19.8°C | 9.0°C | 14.4°C | 59 mm | 214 |
| June | 23.5°C | 12.0°C | 17.8°C | 50 mm | 229 |
| July | 25.9°C | 13.8°C | 19.8°C | 52 mm | 247 |
| August | 25.7°C | 13.7°C | 19.7°C | 50 mm | 238 |
| September | 22.0°C | 10.8°C | 16.4°C | 52 mm | 191 |
| October | 17.0°C | 8.6°C | 12.8°C | 67 mm | 123 |
| November | 11.5°C | 5.1°C | 8.3°C | 66 mm | 79 |
| December | 8.3°C | 2.8°C | 5.6°C | 73 mm | 65 |
| Year | 16.6°C | 7.5°C | 12.1°C | 682 mm | 1,885 |
Where Sonzay’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Saint-Christophe-sur-Nais, 10 km away: statistics for 1991–2020 (the station’s own years, 1992–2020, where its record is shorter).
- 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, Tours, 22 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-et-Loire.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Sonzay’s climate
How warm does Sonzay get in summer?
July is the warmest month, with average highs of 25.9°C. About 56 days a year reach 25°C, fewer than 59% of mainland French towns, and about 15 reach 30°C.
How cold does Sonzay get in winter?
February nights average 2.3°C. The air drops to 0°C or below on about 38 nights a year, and about 3 days a year stay below freezing all day.
How much rain does Sonzay get?
About 682 mm a year, less than 75% of mainland French towns. December is the wettest month (73 mm) and March the driest (48 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Tours (22 km away), averages 1,885 hours of sunshine a year.
Are these figures for Sonzay itself?
No: they are the normals of the Météo-France station matched to Sonzay, Saint-Christophe-sur-Nais, 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 ST-CHRISTOPHE-SUR-NAIS, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Sonzay →
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.