Hardly any mainland French towns see hotter July days than Sampzon
In January the night’s low is typically 0.1°C. Its yearly rainfall tops that of 91% of mainland French towns. Seasons differ by 32°C, from the coldest nights to the warmest afternoons. Wet days, with 1 mm of rain or more, come about 81 times a year.
These are the figures of Météo-France’s Grospierres station, 3.7 km south-west.
A year in Sampzon at a glance
Each month’s typical high and low in °C, at the Grospierres station.
What a year in Sampzon feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Grospierres.
About 1,095 mm of rain a year
October is the wettest month and July the driest. About 31 days a year bring 10 mm or more. 6th wettest of 22 towns of 2,500+ in Ardèche.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Lanas Syn
A frosty town: 59 frosts and 122 days of 25°C a year
On about 59 nights a year the air drops to 0°C or below; days that stay below freezing are rare. About 122 days a year reach 25°C, and 63 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Grospierres: 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 Grospierres
Grospierres is 3.7 km south-west of Sampzon. Every figure on this page is the station’s, not a measurement in Sampzon itself.
| Station (Météo-France number) | Grospierres (07101001) |
| Distance from the town | 3.7 km south-west |
| Station altitude | 127 m |
| Town altitude (its center) | 122 m |
| Period | 1991–2020 |
| Sunshine measured at | Lanas Syn, 13 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 Sampzon 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 Ardèche.
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 |
|---|---|---|---|---|
| Sampzon | Grospierres | 31.9°C | 0.1°C | 1,095 mm |
| Les Vans 17 km | same station | 31.9°C about the same | 0.1°C about the same | 1,095 mm |
| Saint-Étienne-de-Fontbellon 19 km | Aubenas Sa | 30.4°C 1.5°C cooler | 1.0°C 0.9°C milder | 1,061 mm |
| Villeneuve-de-Berg 20 km | Mirabel Sa | 29.5°C 2.4°C cooler | 1.2°C 1.1°C milder | 998 mm |
| Aubenas 22 km | Vals-les-Bains | 29.7°C 2.2°C cooler | 1.6°C 1.5°C milder | 1,250 mm |
| Saint-Ambroix 22 km | Salindres | 30.9°C 1°C cooler | 1.1°C 1°C milder | 1,092 mm |
| Bourg-Saint-Andéol 24 km | Pierrelatte | 30.3°C 1.6°C cooler | 2.3°C 2.2°C milder | 795 mm |
Sampzon weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Grospierres station; sunshine at Lanas Syn.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 10.4°C | 0.1°C | 5.2°C | 90 mm | 131 |
| February | 12.5°C | 0.1°C | 6.3°C | 58 mm | 153 |
| March | 17.0°C | 3.1°C | 10.1°C | 64 mm | 208 |
| April | 19.9°C | 5.9°C | 12.9°C | 84 mm | 208 |
| May | 24.0°C | 9.6°C | 16.8°C | 89 mm | 246 |
| June | 28.6°C | 13.2°C | 20.9°C | 59 mm | 286 |
| July | 31.9°C | 15.3°C | 23.6°C | 50 mm | 314 |
| August | 31.5°C | 14.9°C | 23.2°C | 65 mm | 284 |
| September | 26.0°C | 11.5°C | 18.8°C | 141 mm | 220 |
| October | 20.2°C | 8.7°C | 14.4°C | 153 mm | 154 |
| November | 14.2°C | 4.2°C | 9.2°C | 150 mm | 125 |
| December | 10.5°C | 0.8°C | 5.7°C | 93 mm | 120 |
| Year | 20.6°C | 7.3°C | 13.9°C | 1,095 mm | 2,447 |
Where Sampzon’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Grospierres, 3.7 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, Lanas Syn, 13 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 Ardèche.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Sampzon’s climate
How warm does Sampzon get in summer?
July is the warmest month, with average highs of 31.9°C. About 122 days a year reach 25°C, more than 96% of mainland French towns, and about 63 reach 30°C.
How cold does Sampzon get in winter?
January nights average 0.1°C. The air drops to 0°C or below on about 59 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Sampzon get?
About 1,095 mm a year, more than 91% of mainland French towns. October is the wettest month (153 mm) and July the driest (50 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Lanas Syn (13 km away), averages 2,447 hours of sunshine a year.
Are these figures for Sampzon itself?
No: they are the normals of the Météo-France station matched to Sampzon, Grospierres, 3.7 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 GROSPIERRES, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Sampzon →
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.