Midwinter lows in Tanzac stay above those of 85% of mainland French towns
Midsummer highs settle at about 26.4°C. Rain is plentiful here, more than falls on 78% of mainland French towns. December is the wettest month here, with about 2.6 times the rain of July. Windscreens need scraping on about 29 mornings a year, the nights the air drops below 0°C.
These are the figures of Météo-France’s Saintes station, 22 km north.
A year in Tanzac at a glance
Each month’s typical high and low in °C, at the Saintes station.
What a year in Tanzac feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Saintes.
About 907 mm of rain a year
December is the wettest month and July the driest. About 29 days a year bring 10 mm or more. 4th wettest of 54 towns of 2,500+ in Charente-Maritime.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Cognac
29 frosts and 69 days of 25°C a year
On about 29 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 69 days a year reach 25°C, and 20 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Saintes: 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 Saintes
Saintes is 22 km north of Tanzac. Every figure on this page is the station’s, not a measurement in Tanzac itself.
| Station (Météo-France number) | Saintes (17415003) |
| Distance from the town | 22 km north |
| Station altitude | 38 m |
| Town altitude (its center) | 42 m |
| Period | 1991–2020 |
| Nearest station of any kind | 21 km |
| Sunshine measured at | Cognac, 27 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 Tanzac 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 Charente-Maritime.
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 |
|---|---|---|---|---|
| Tanzac | Saintes | 26.4°C | 3.5°C | 907 mm |
| Gémozac 4.2 km | same station | 26.4°C about the same | 3.5°C about the same | 907 mm |
| Pons 6.5 km | Saint-Germain-de-Lusignan | 26.5°C about the same | 3.3°C about the same | 931 mm |
| Jonzac 20 km | Saint-Germain-de-Lusignan | 26.5°C about the same | 3.3°C about the same | 931 mm |
| Chaniers 20 km | same station | 26.4°C about the same | 3.5°C about the same | 907 mm |
| Saintes 20 km | same station | 26.4°C about the same | 3.5°C about the same | 907 mm |
| Semussac 23 km | Royan-Medis | 25.4°C 1°C cooler | 3.7°C about the same | 856 mm |
Tanzac weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Saintes station; sunshine at Cognac.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.6°C | 3.5°C | 6.5°C | 92 mm | 82 |
| February | 11.0°C | 3.1°C | 7.1°C | 68 mm | 116 |
| March | 14.4°C | 5.2°C | 9.8°C | 65 mm | 166 |
| April | 17.1°C | 7.0°C | 12.0°C | 74 mm | 187 |
| May | 20.9°C | 10.4°C | 15.6°C | 66 mm | 221 |
| June | 24.3°C | 13.3°C | 18.8°C | 61 mm | 237 |
| July | 26.4°C | 14.8°C | 20.6°C | 42 mm | 257 |
| August | 26.7°C | 14.7°C | 20.7°C | 53 mm | 250 |
| September | 23.5°C | 12.0°C | 17.7°C | 73 mm | 204 |
| October | 18.9°C | 9.8°C | 14.3°C | 95 mm | 141 |
| November | 13.4°C | 6.1°C | 9.8°C | 108 mm | 97 |
| December | 10.2°C | 3.8°C | 7.0°C | 110 mm | 85 |
| Year | 18.0°C | 8.6°C | 13.3°C | 907 mm | 2,043 |
Where Tanzac’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Saintes, 22 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, Cognac, 27 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 Charente-Maritime.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Tanzac’s climate
How warm does Tanzac get in summer?
August is the warmest month, with average highs of 26.7°C. About 69 days a year reach 25°C, more than 62% of mainland French towns, and about 20 reach 30°C.
How cold does Tanzac get in winter?
February nights average 3.1°C. The air drops to 0°C or below on about 29 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Tanzac get?
About 907 mm a year, more than 78% of mainland French towns. December is the wettest month (110 mm) and July the driest (42 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Cognac (27 km away), averages 2,043 hours of sunshine a year.
Are these figures for Tanzac itself?
No: they are the normals of the Météo-France station matched to Tanzac, Saintes, 22 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 SAINTES, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Tanzac →
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.