Nights stay kind in Saint-Simon each January, milder than in 77% of mainland French towns
In July the day’s top temperature is typically 27.2°C. About 80 days a year reach 25°C, more than in 71% of mainland French towns. A year here swings 25°C from midwinter lows to midsummer highs. Homes need heating from November to February, the months averaging under 10°C.
Figures from Météo-France’s Segonzac station, 12 km west.
A year in Saint-Simon at a glance
Each month’s typical high and low in °C, at the Segonzac station.
What a year in Saint-Simon feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Segonzac.
About 818 mm of rain a year
November is the wettest month and July the driest. About 27 days a year bring 10 mm or more. 22nd wettest of 26 towns of 2,500+ in Charente.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Cognac
30 frosts and 80 days of 25°C a year
On about 30 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 80 days a year reach 25°C, and 24 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Segonzac: 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 Segonzac
Segonzac is 12 km west of Saint-Simon. Every figure on this page is the station’s, not a measurement in Saint-Simon itself.
| Station (Météo-France number) | Segonzac (16366001) |
| Distance from the town | 12 km west |
| Station altitude | 62 m |
| Town altitude (its center) | 26 m |
| Period | 1991–2020 |
| Sunshine measured at | Cognac, 19 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 Saint-Simon 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.
Nearby towns’ climate
The nearest towns of 2,500+ within 29 km, each with its own matched station.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Saint-Simon | Segonzac | 27.2°C | 3.2°C | 818 mm |
| Châteauneuf-sur-Charente 6.1 km | La Couronne | 27.5°C about the same | 2.8°C about the same | 845 mm |
| Jarnac 8.4 km | Cognac | 27.0°C about the same | 3.3°C about the same | 772 mm |
| Roullet-Saint-Estèphe 12 km | La Couronne | 27.5°C about the same | 2.8°C about the same | 845 mm |
| Fléac 13 km | La Couronne | 27.5°C about the same | 2.8°C about the same | 845 mm |
| Saint-Michel 14 km | La Couronne | 27.5°C about the same | 2.8°C about the same | 845 mm |
| La Couronne 15 km | La Couronne | 27.5°C about the same | 2.8°C about the same | 845 mm |
Saint-Simon weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Segonzac station; sunshine at Cognac.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.5°C | 3.2°C | 6.4°C | 78 mm | 82 |
| February | 11.1°C | 2.9°C | 7.0°C | 57 mm | 116 |
| March | 14.8°C | 5.1°C | 10.0°C | 55 mm | 166 |
| April | 17.7°C | 7.1°C | 12.4°C | 62 mm | 187 |
| May | 21.6°C | 10.5°C | 16.1°C | 60 mm | 221 |
| June | 25.0°C | 13.4°C | 19.2°C | 62 mm | 237 |
| July | 27.2°C | 14.9°C | 21.1°C | 52 mm | 257 |
| August | 27.4°C | 14.8°C | 21.1°C | 55 mm | 250 |
| September | 23.8°C | 12.0°C | 17.9°C | 67 mm | 204 |
| October | 19.0°C | 9.8°C | 14.4°C | 83 mm | 141 |
| November | 13.3°C | 6.0°C | 9.7°C | 95 mm | 97 |
| December | 10.2°C | 3.7°C | 6.9°C | 93 mm | 85 |
| Year | 18.4°C | 8.6°C | 13.5°C | 818 mm | 2,043 |
Where Saint-Simon’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Segonzac, 12 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, 19 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.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Saint-Simon’s climate
How warm does Saint-Simon get in summer?
August is the warmest month, with average highs of 27.4°C. About 80 days a year reach 25°C, more than 71% of mainland French towns, and about 24 reach 30°C.
How cold does Saint-Simon get in winter?
February nights average 2.9°C. The air drops to 0°C or below on about 30 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Saint-Simon get?
About 818 mm a year, more than 63% of mainland French towns. November is the wettest month (95 mm) and July the driest (52 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Cognac (19 km away), averages 2,043 hours of sunshine a year.
Are these figures for Saint-Simon itself?
No: they are the normals of the Météo-France station matched to Saint-Simon, Segonzac, 12 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 SEGONZAC_SAPC, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Simon →
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.