Boult gets more frosts than 91% of mainland French towns
July afternoons average 27.2°C. By rainfall alone, it ranks wetter than 89% of mainland French towns. Rain is spread evenly through the year: the wettest month, May, gets little more than the driest, February. Plan time outside for May, June, August and September, when highs sit at 21–27°C.
Figures from Météo-France’s Bucey-lès-Gy station, 13 km west.
A year in Boult at a glance
Each month’s typical high and low in °C, at the Bucey-lès-Gy station.
What a year in Boult feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Bucey-lès-Gy.
About 1,033 mm of rain a year
May is the wettest month and February the driest. About 34 days a year bring 10 mm or more. 7th wettest of 11 towns of 2,500+ in Haute-Saône.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Besançon
A frosty town: 69 frosts and 79 days of 25°C a year
On about 69 nights a year the air drops to 0°C or below, and on about 8 days it stays below freezing all day. About 79 days a year reach 25°C, and 28 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Bucey-lès-Gy: 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 Bucey-lès-Gy
Bucey-lès-Gy is 13 km west of Boult. Every figure on this page is the station’s, not a measurement in Boult itself.
| Station (Météo-France number) | Bucey-lès-Gy (70104001) |
| Distance from the town | 13 km west |
| Station altitude | 215 m |
| Town altitude (its center) | 247 m |
| Period | 1991–2020 |
| Nearest station of any kind | 7.9 km |
| Sunshine measured at | Besançon, 15 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 Boult 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 Haute-Saône.
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 |
|---|---|---|---|---|
| Boult | Bucey-lès-Gy | 27.2°C | 0.1°C | 1,033 mm |
| Les Auxons 9.5 km | Besançon | 25.7°C 1.5°C cooler | 0.1°C about the same | 1,157 mm |
| Miserey-Salines 11 km | Besançon | 25.7°C 1.5°C cooler | 0.1°C about the same | 1,157 mm |
| École-Valentin 12 km | Besançon | 25.7°C 1.5°C cooler | 0.1°C about the same | 1,157 mm |
| Thise 12 km | Besançon | 25.7°C 1.5°C cooler | 0.1°C about the same | 1,157 mm |
| Besançon 15 km | Besançon | 25.7°C 1.5°C cooler | 0.1°C about the same | 1,157 mm |
| Saône 20 km | Besançon | 25.7°C 1.5°C cooler | 0.1°C about the same | 1,157 mm |
Boult weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Bucey-lès-Gy station; sunshine at Besançon.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.1°C | 0.1°C | 3.1°C | 81 mm | 68 |
| February | 8.0°C | 0.1°C | 4.0°C | 74 mm | 97 |
| March | 13.0°C | 2.4°C | 7.7°C | 75 mm | 153 |
| April | 17.3°C | 4.9°C | 11.1°C | 75 mm | 184 |
| May | 21.3°C | 9.1°C | 15.2°C | 101 mm | 208 |
| June | 25.0°C | 12.5°C | 18.7°C | 83 mm | 231 |
| July | 27.2°C | 14.3°C | 20.7°C | 93 mm | 249 |
| August | 26.9°C | 14.0°C | 20.4°C | 79 mm | 237 |
| September | 22.0°C | 10.3°C | 16.2°C | 85 mm | 184 |
| October | 16.6°C | 7.4°C | 12.0°C | 95 mm | 132 |
| November | 10.3°C | 3.2°C | 6.8°C | 100 mm | 75 |
| December | 6.6°C | 0.9°C | 3.7°C | 94 mm | 56 |
| Year | 16.7°C | 6.6°C | 11.6°C | 1,033 mm | 1,873 |
Where Boult’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Bucey-lès-Gy, 13 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, Besançon, 15 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 Haute-Saône.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Boult’s climate
How warm does Boult get in summer?
July is the warmest month, with average highs of 27.2°C. About 79 days a year reach 25°C, more than 71% of mainland French towns, and about 28 reach 30°C.
How cold does Boult get in winter?
January nights average 0.1°C. The air drops to 0°C or below on about 69 nights a year, and about 8 days a year stay below freezing all day.
How much rain does Boult get?
About 1,033 mm a year, more than 89% of mainland French towns. May is the wettest month (101 mm) and February the driest (74 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Besançon (15 km away), averages 1,873 hours of sunshine a year.
Are these figures for Boult itself?
No: they are the normals of the Météo-France station matched to Boult, Bucey-lès-Gy, 13 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 BUCEY-LES-GY, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Boult →
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.