Rainfall in Semoussac tops that of 82% of mainland French towns: 931 mm a year
Expect July afternoons of about 26.5°C. In January, nights here are milder than in 80% of mainland French towns. Wet weather is most frequent in November and least in July. Keep the boiler serviced for the months from November to March, which average under 10°C.
These are the figures of Météo-France’s Saint-Germain-de-Lusignan station, 19 km north-east.
A year in Semoussac at a glance
Each month’s typical high and low in °C, at the Saint-Germain-de-Lusignan station.
What a year in Semoussac feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Saint-Germain-de-Lusignan.
About 931 mm of rain a year
November is the wettest month and July the driest. About 30 days a year bring 10 mm or more. The wettest of 54 towns of 2,500+ in Charente-Maritime.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Pauillac
29 frosts and 72 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 72 days a year reach 25°C, and 21 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Saint-Germain-de-Lusignan: 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-Germain-de-Lusignan
Saint-Germain-de-Lusignan is 19 km north-east of Semoussac. Every figure on this page is the station’s, not a measurement in Semoussac itself.
| Station (Météo-France number) | Saint-Germain-de-Lusignan (17339002) |
| Distance from the town | 19 km north-east |
| Station altitude | 71 m |
| Town altitude (its center) | 57 m |
| Period | 1991–2020 |
| Nearest station of any kind | 4.3 km |
| Sunshine measured at | Pauillac, 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 Semoussac 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 |
|---|---|---|---|---|
| Semoussac | Saint-Germain-de-Lusignan | 26.5°C | 3.3°C | 931 mm |
| Saint-Ciers-sur-Gironde 11 km | Pauillac | 26.7°C about the same | 4.0°C 0.7°C milder | 857 mm |
| Jonzac 16 km | same station | 26.5°C about the same | 3.3°C about the same | 931 mm |
| Gémozac 20 km | Saintes | 26.4°C about the same | 3.5°C about the same | 907 mm |
| Montendre 21 km | Montlieu | 27.2°C 0.7°C warmer | 2.4°C 0.9°C colder | 929 mm |
| Pons 22 km | same station | 26.5°C about the same | 3.3°C about the same | 931 mm |
| Pauillac 23 km | Pauillac | 26.7°C about the same | 4.0°C 0.7°C milder | 857 mm |
Semoussac weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Saint-Germain-de-Lusignan station; sunshine at Pauillac.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.4°C | 3.3°C | 6.4°C | 94 mm | 84 |
| February | 11.0°C | 3.1°C | 7.0°C | 67 mm | 126 |
| March | 14.6°C | 5.2°C | 9.9°C | 64 mm | 171 |
| April | 17.3°C | 7.2°C | 12.3°C | 73 mm | 205 |
| May | 21.1°C | 10.7°C | 15.9°C | 71 mm | 232 |
| June | 24.5°C | 13.5°C | 19.0°C | 74 mm | 251 |
| July | 26.5°C | 15.0°C | 20.8°C | 49 mm | 273 |
| August | 26.9°C | 15.0°C | 20.9°C | 62 mm | 255 |
| September | 23.5°C | 12.2°C | 17.8°C | 73 mm | 223 |
| October | 18.9°C | 9.9°C | 14.4°C | 91 mm | 158 |
| November | 13.3°C | 6.2°C | 9.8°C | 107 mm | 106 |
| December | 10.2°C | 3.9°C | 7.0°C | 107 mm | 92 |
| Year | 18.1°C | 8.8°C | 13.4°C | 931 mm | 2,175 |
Where Semoussac’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Saint-Germain-de-Lusignan, 19 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, Pauillac, 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 Charente-Maritime.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Semoussac’s climate
How warm does Semoussac get in summer?
August is the warmest month, with average highs of 26.9°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 Semoussac 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 Semoussac get?
About 931 mm a year, more than 82% of mainland French towns. November is the wettest month (107 mm) and July the driest (49 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Pauillac (23 km away), averages 2,175 hours of sunshine a year.
Are these figures for Semoussac itself?
No: they are the normals of the Météo-France station matched to Semoussac, Saint-Germain-de-Lusignan, 19 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 GERMAIN DE LUSIGNAN, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Semoussac →
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.