Boulc has some of the coldest winter nights among mainland French towns
July afternoons average 27.4°C. Seasons differ by 32°C, from the coldest nights to the warmest afternoons. Its yearly rainfall tops that of 84% of mainland French towns. Plan for rain on about 94 days a year, the days with 1 mm or more.
Figures from Météo-France’s La Faurie station, 17 km south-east.
A year in Boulc at a glance
Each month’s typical high and low in °C, at the La Faurie station.
What a year in Boulc feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at La Faurie.
About 951 mm of rain a year
November is the wettest month and July the driest. About 33 days a year bring 10 mm or more. 3rd wettest of 40 towns of 2,500+ in Drôme.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Montélimar
A frosty town: 130 frosts and 75 days of 25°C a year
On about 130 nights a year the air drops to 0°C or below, and on about 6 days it stays below freezing all day. About 75 days a year reach 25°C, and 25 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at La Faurie: 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 La Faurie
La Faurie is 17 km south-east of Boulc. Every figure on this page is the station’s, not a measurement in Boulc itself.
| Station (Météo-France number) | La Faurie (05055001) |
| Distance from the town | 17 km south-east |
| Station altitude | 825 m |
| Town altitude (its center) | 824 m |
| Period | 1997–2020 (the station’s own record) |
| Nearest station of any kind | 4.7 km |
| Sunshine measured at | Montélimar, 67 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 Boulc 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 Drôme.
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.
Boulc weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the La Faurie station; sunshine at Montélimar.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.7°C | −4.6°C | 1.1°C | 74 mm | 107 |
| February | 8.2°C | −4.4°C | 1.9°C | 59 mm | 136 |
| March | 12.2°C | −1.3°C | 5.4°C | 68 mm | 200 |
| April | 15.6°C | 1.6°C | 8.6°C | 85 mm | 219 |
| May | 19.7°C | 5.3°C | 12.5°C | 93 mm | 260 |
| June | 24.6°C | 8.4°C | 16.5°C | 65 mm | 300 |
| July | 27.4°C | 10.0°C | 18.7°C | 41 mm | 330 |
| August | 27.1°C | 9.7°C | 18.4°C | 61 mm | 299 |
| September | 22.3°C | 6.7°C | 14.5°C | 81 mm | 231 |
| October | 17.3°C | 3.6°C | 10.4°C | 114 mm | 156 |
| November | 10.6°C | −0.7°C | 5.0°C | 121 mm | 110 |
| December | 7.0°C | −3.7°C | 1.6°C | 91 mm | 95 |
| Year | 16.6°C | 2.5°C | 9.6°C | 951 mm | 2,441 |
Where Boulc’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for La Faurie, 17 km away: statistics for 1991–2020 (the station’s own years, 1997–2020, where its record is shorter).
- 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, Montélimar, 67 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 Drôme.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Boulc’s climate
How warm does Boulc get in summer?
July is the warmest month, with average highs of 27.4°C. About 75 days a year reach 25°C, more than 67% of mainland French towns, and about 25 reach 30°C.
How cold does Boulc get in winter?
January nights average −4.6°C. The air drops to 0°C or below on about 130 nights a year, and about 6 days a year stay below freezing all day.
How much rain does Boulc get?
About 951 mm a year, more than 84% of mainland French towns. November is the wettest month (121 mm) and July the driest (41 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Montélimar (67 km away), averages 2,441 hours of sunshine a year.
Are these figures for Boulc itself?
No: they are the normals of the Météo-France station matched to Boulc, La Faurie, 17 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 LA FAURIE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Boulc →
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.