For weather, Poursay-Garnaud is about as ordinary as mainland French towns get
January nights average 2.9°C, July afternoons 26.8°C, and a year brings 849 mm of rain. Winters are mild: January nights here are milder than in 72% of mainland French towns. Winter and summer sit 25°C apart. Plan for rain on about 120 days a year, the days with 1 mm or more.
These are the figures of Météo-France’s Nuaille sur Boutonne station, 8.4 km north-east.
A year in Poursay-Garnaud at a glance
Each month’s typical high and low in °C, at the Nuaille sur Boutonne station.
What a year in Poursay-Garnaud feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Nuaille sur Boutonne.
About 849 mm of rain a year
December is the wettest month and July the driest. About 27 days a year bring 10 mm or more. 19th wettest of 54 towns of 2,500+ in Charente-Maritime.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Cognac
42 frosts and 73 days of 25°C a year
On about 42 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 73 days a year reach 25°C, and 22 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Nuaille sur Boutonne: 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 Nuaille sur Boutonne
Nuaille sur Boutonne is 8.4 km north-east of Poursay-Garnaud. Every figure on this page is the station’s, not a measurement in Poursay-Garnaud itself.
| Station (Météo-France number) | Nuaille sur Boutonne (17268002) |
| Distance from the town | 8.4 km north-east |
| Station altitude | 36 m |
| Town altitude (its center) | 22 m |
| Period | 1991–2020 |
| Sunshine measured at | Cognac, 34 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 Poursay-Garnaud 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 |
|---|---|---|---|---|
| Poursay-Garnaud | Nuaille sur Boutonne | 26.8°C | 2.9°C | 849 mm |
| Saint-Jean-d'Angély 4.8 km | same station | 26.8°C about the same | 2.9°C about the same | 849 mm |
| Val-de-Cognac 24 km | Cognac | 27.0°C about the same | 3.3°C about the same | 772 mm |
| Chaniers 26 km | Saintes | 26.4°C about the same | 3.5°C 0.6°C milder | 907 mm |
| Saintes 27 km | Saintes | 26.4°C about the same | 3.5°C 0.6°C milder | 907 mm |
| Saint-Georges-des-Coteaux 28 km | Saintes | 26.4°C about the same | 3.5°C 0.6°C milder | 907 mm |
| Surgères 28 km | Prin-Deyrançon | 27.0°C about the same | 2.8°C about the same | 837 mm |
Poursay-Garnaud weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Nuaille sur Boutonne station; sunshine at Cognac.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.3°C | 2.9°C | 6.1°C | 80 mm | 82 |
| February | 10.8°C | 2.1°C | 6.4°C | 66 mm | 116 |
| March | 14.4°C | 4.1°C | 9.3°C | 66 mm | 166 |
| April | 17.3°C | 5.8°C | 11.6°C | 68 mm | 187 |
| May | 21.1°C | 9.4°C | 15.2°C | 65 mm | 221 |
| June | 24.6°C | 12.3°C | 18.5°C | 59 mm | 237 |
| July | 26.8°C | 13.6°C | 20.2°C | 47 mm | 257 |
| August | 26.9°C | 13.3°C | 20.1°C | 52 mm | 250 |
| September | 23.7°C | 10.7°C | 17.2°C | 67 mm | 204 |
| October | 18.8°C | 8.9°C | 13.8°C | 87 mm | 141 |
| November | 13.2°C | 5.3°C | 9.3°C | 95 mm | 97 |
| December | 9.9°C | 3.2°C | 6.5°C | 99 mm | 85 |
| Year | 18.1°C | 7.6°C | 12.9°C | 849 mm | 2,043 |
Where Poursay-Garnaud’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Nuaille sur Boutonne, 8.4 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, 34 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 Poursay-Garnaud’s climate
How warm does Poursay-Garnaud get in summer?
August is the warmest month, with average highs of 26.9°C. About 73 days a year reach 25°C, more than 67% of mainland French towns, and about 22 reach 30°C.
How cold does Poursay-Garnaud get in winter?
February nights average 2.1°C. The air drops to 0°C or below on about 42 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Poursay-Garnaud get?
About 849 mm a year, more than 70% of mainland French towns. December is the wettest month (99 mm) and July the driest (47 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Cognac (34 km away), averages 2,043 hours of sunshine a year.
Are these figures for Poursay-Garnaud itself?
No: they are the normals of the Météo-France station matched to Poursay-Garnaud, Nuaille sur Boutonne, 8.4 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 NUAILLE SUR BOUTONNE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Poursay-Garnaud →
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.