Warm afternoons come to Saint-Samson less often than to 91% of mainland French towns
On a normal January night the air cools to about 2.7°C. Temperatures cover 21°C across the year, low to high. Frosty nights are scarcer than in 76% of mainland French towns. Garden chairs stay out from May to September, the months with highs of 18–24°C.
Figures from Météo-France’s Saint-Sylvain station, 15 km south.
A year in Saint-Samson at a glance
Each month’s typical high and low in °C, at the Saint-Sylvain station.
What a year in Saint-Samson feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Saint-Sylvain.
About 681 mm of rain a year
December is the wettest month and February the driest. About 17 days a year bring 10 mm or more. 45th wettest of 53 towns of 2,500+ in Calvados.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Caen-Carpiquet
30 frosts and 31 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 31 days a year reach 25°C, and 6 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Saint-Sylvain: 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 Saint-Sylvain
Saint-Sylvain is 15 km south of Saint-Samson. Every figure on this page is the station’s, not a measurement in Saint-Samson itself.
| Station (Météo-France number) | Saint-Sylvain (14659001) |
| Distance from the town | 15 km south |
| Station altitude | 62 m |
| Town altitude (its center) | 16 m |
| Period | 1997–2020 (the station’s own record) |
| Nearest station of any kind | 4.9 km |
| Sunshine measured at | Caen-Carpiquet, 22 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-Samson 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 |
|---|---|---|---|---|
| Saint-Samson | Saint-Sylvain | 23.9°C | 2.7°C | 681 mm |
| Troarn 1.8 km | same station | 23.9°C about the same | 2.7°C about the same | 681 mm |
| Argences 6.6 km | same station | 23.9°C about the same | 2.7°C about the same | 681 mm |
| Démouville 8 km | same station | 23.9°C about the same | 2.7°C about the same | 681 mm |
| Moult-Chicheboville 8.3 km | same station | 23.9°C about the same | 2.7°C about the same | 681 mm |
| Giberville 9.2 km | Caen-Carpiquet | 22.9°C 1°C cooler | 2.9°C about the same | 740 mm |
| Colombelles 10 km | Caen-Carpiquet | 22.9°C 1°C cooler | 2.9°C about the same | 740 mm |
Saint-Samson weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Saint-Sylvain station; sunshine at Caen-Carpiquet.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 8.1°C | 2.7°C | 5.4°C | 58 mm | 71 |
| February | 9.2°C | 2.8°C | 6.0°C | 46 mm | 90 |
| March | 11.9°C | 3.9°C | 7.9°C | 47 mm | 130 |
| April | 15.1°C | 5.0°C | 10.1°C | 52 mm | 179 |
| May | 18.1°C | 8.1°C | 13.1°C | 58 mm | 203 |
| June | 21.3°C | 10.7°C | 16.0°C | 56 mm | 213 |
| July | 23.9°C | 12.4°C | 18.1°C | 47 mm | 219 |
| August | 23.9°C | 12.9°C | 18.4°C | 54 mm | 205 |
| September | 21.1°C | 10.8°C | 16.0°C | 54 mm | 171 |
| October | 16.5°C | 8.8°C | 12.6°C | 70 mm | 117 |
| November | 11.8°C | 5.6°C | 8.7°C | 67 mm | 82 |
| December | 8.9°C | 3.3°C | 6.1°C | 73 mm | 67 |
| Year | 15.8°C | 7.3°C | 11.5°C | 681 mm | 1,746 |
Where Saint-Samson’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Saint-Sylvain, 15 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, Caen-Carpiquet, 22 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 Saint-Samson’s climate
How warm does Saint-Samson get in summer?
July is the warmest month, with average highs of 23.9°C. About 31 days a year reach 25°C, fewer than 91% of mainland French towns, and about 6 reach 30°C.
How cold does Saint-Samson get in winter?
January nights average 2.7°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-Samson get?
About 681 mm a year, less than 75% of mainland French towns. December is the wettest month (73 mm) and February the driest (46 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Caen-Carpiquet (22 km away), averages 1,746 hours of sunshine a year.
Are these figures for Saint-Samson itself?
No: they are the normals of the Météo-France station matched to Saint-Samson, Saint-Sylvain, 15 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 ST SYLVAIN_SAPC, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Samson →
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.