Castillon is among the mainland French towns with the fewest days of 25 degrees or more
The depth of winter brings overnight lows near 2.8°C. A year here swings 19°C from midwinter lows to midsummer highs. Frost is rarer than in 84% of mainland French towns: about 24 nights a year drop below freezing. Expect about 24 frosty starts a year, nights when the air falls below freezing.
These are the figures of Météo-France’s Livry station, 11 km south.
A year in Castillon at a glance
Each month’s typical high and low in °C, at the Livry station.
What a year in Castillon feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Livry.
About 914 mm of rain a year
December is the wettest month and July the driest. About 27 days a year bring 10 mm or more. 13th wettest of 53 towns of 2,500+ in Calvados.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Caen-Carpiquet
24 frosts and 18 days of 25°C a year
On about 24 nights a year the air drops to 0°C or below, and on about 3 days it stays below freezing all day. About 18 days a year reach 25°C, and 3 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Livry: 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 Livry
Livry is 11 km south of Castillon. Every figure on this page is the station’s, not a measurement in Castillon itself.
| Station (Météo-France number) | Livry (14372001) |
| Distance from the town | 11 km south |
| Station altitude | 194 m |
| Town altitude (its center) | 87 m |
| Period | 1995–2020 (the station’s own record) |
| Nearest station of any kind | 3 km |
| Sunshine measured at | Caen-Carpiquet, 25 km away |
Castillon sits 107 m lower than the station. Air usually warms by about 0.65°C every 100 m you go down, so expect Castillon to run about 0.7°C warmer than these figures.
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 Castillon 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 Calvados.
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 |
|---|---|---|---|---|
| Castillon | Livry | 22.0°C | 2.8°C | 914 mm |
| Le Molay-Littry 7.2 km | Condé-sur-Vire | 23.6°C 1.6°C warmer | 2.3°C 0.5°C colder | 957 mm |
| Bayeux 11 km | Caen-Carpiquet | 22.9°C 0.9°C warmer | 2.9°C about the same | 740 mm |
| Villers-Bocage 17 km | Saint-Georges D | 22.7°C 0.7°C warmer | 2.7°C about the same | 992 mm |
| Saint-Jean-d'Elle 17 km | same station | 22.0°C about the same | 2.8°C about the same | 914 mm |
| Thue et Mue 20 km | Caen-Carpiquet | 22.9°C 0.9°C warmer | 2.9°C about the same | 740 mm |
| Saint-Amand-Villages 21 km | Condé-sur-Vire | 23.6°C 1.6°C warmer | 2.3°C 0.5°C colder | 957 mm |
Castillon weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Livry station; sunshine at Caen-Carpiquet.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.4°C | 2.8°C | 5.1°C | 85 mm | 71 |
| February | 8.4°C | 3.0°C | 5.7°C | 74 mm | 90 |
| March | 10.8°C | 4.4°C | 7.6°C | 71 mm | 130 |
| April | 13.9°C | 6.2°C | 10.0°C | 62 mm | 179 |
| May | 16.9°C | 8.9°C | 12.9°C | 66 mm | 203 |
| June | 20.0°C | 11.7°C | 15.8°C | 68 mm | 213 |
| July | 22.0°C | 13.4°C | 17.7°C | 54 mm | 219 |
| August | 22.2°C | 13.8°C | 18.0°C | 68 mm | 205 |
| September | 19.5°C | 11.9°C | 15.7°C | 62 mm | 171 |
| October | 15.5°C | 9.5°C | 12.5°C | 93 mm | 117 |
| November | 11.0°C | 5.9°C | 8.5°C | 101 mm | 82 |
| December | 8.1°C | 3.5°C | 5.8°C | 111 mm | 67 |
| Year | 14.6°C | 7.9°C | 11.3°C | 914 mm | 1,746 |
Where Castillon’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Livry, 11 km away: statistics for 1991–2020 (the station’s own years, 1995–2020, 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, Caen-Carpiquet, 25 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 Calvados.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Castillon’s climate
How warm does Castillon get in summer?
August is the warmest month, with average highs of 22.2°C. About 18 days a year reach 25°C, fewer than 96% of mainland French towns, and about 3 reach 30°C.
How cold does Castillon get in winter?
January nights average 2.8°C. The air drops to 0°C or below on about 24 nights a year, and about 3 days a year stay below freezing all day.
How much rain does Castillon get?
About 914 mm a year, more than 79% of mainland French towns. December is the wettest month (111 mm) and July the driest (54 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Caen-Carpiquet (25 km away), averages 1,746 hours of sunshine a year.
Are these figures for Castillon itself?
No: they are the normals of the Météo-France station matched to Castillon, Livry, 11 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 LIVRY, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Castillon →
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.