Hardly any mainland French towns log fewer warm days than Santec
Nights in January average 4.4°C. The year changes little: the coldest month’s nights and the warmest month’s afternoons are only 17°C apart. Only about 14 nights a year bring a frost, fewer than in 96% of mainland French towns. An umbrella earns its place on about 160 days a year with 1 mm of rain or more.
Figures from Météo-France’s Landivisiau station, 21 km south-west.
A year in Santec at a glance
Each month’s typical high and low in °C, at the Landivisiau station.
What a year in Santec feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Landivisiau.
About 1,160 mm of rain a year
December is the wettest month and June the driest. About 36 days a year bring 10 mm or more. 26th wettest of 91 towns of 2,500+ in Finistère.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Landivisiau
14 frosts and 10 days of 25°C a year
On about 14 nights a year the air drops to 0°C or below; days that stay below freezing are rare. About 10 days a year reach 25°C, and under 1 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Landivisiau: 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 Landivisiau
Landivisiau is 21 km south-west of Santec. Every figure on this page is the station’s, not a measurement in Santec itself.
| Station (Météo-France number) | Landivisiau (29264001) |
| Distance from the town | 21 km south-west |
| Station altitude | 109 m |
| Town altitude (its center) | 14 m |
| Period | 1991–2020 |
| Sunshine measured at | the same station |
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 Santec 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 Finistère.
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 |
|---|---|---|---|---|
| Santec | Landivisiau | 20.7°C | 4.4°C | 1,160 mm |
| Saint-Pol-de-Léon 4.1 km | same station | 20.7°C about the same | 4.4°C about the same | 1,160 mm |
| Roscoff 4.1 km | same station | 20.7°C about the same | 4.4°C about the same | 1,160 mm |
| Cléder 7 km | same station | 20.7°C about the same | 4.4°C about the same | 1,160 mm |
| Plouénan 9.3 km | same station | 20.7°C about the same | 4.4°C about the same | 1,160 mm |
| Carantec 9.8 km | Pleyber-Christ Sa | 21.9°C 1.2°C warmer | 4.1°C about the same | 1,102 mm |
| Plouescat 12 km | same station | 20.7°C about the same | 4.4°C about the same | 1,160 mm |
Santec weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Landivisiau station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.4°C | 4.4°C | 6.9°C | 140 mm | 60 |
| February | 9.8°C | 4.1°C | 6.9°C | 116 mm | 74 |
| March | 11.7°C | 5.1°C | 8.4°C | 78 mm | 110 |
| April | 13.7°C | 6.1°C | 9.9°C | 85 mm | 143 |
| May | 16.5°C | 8.7°C | 12.6°C | 72 mm | 171 |
| June | 18.9°C | 11.2°C | 15.1°C | 63 mm | 183 |
| July | 20.7°C | 13.0°C | 16.9°C | 64 mm | 169 |
| August | 20.9°C | 13.1°C | 17.0°C | 66 mm | 165 |
| September | 19.2°C | 11.5°C | 15.3°C | 73 mm | 154 |
| October | 15.9°C | 9.5°C | 12.7°C | 118 mm | 105 |
| November | 12.3°C | 6.9°C | 9.6°C | 135 mm | 68 |
| December | 10.0°C | 4.9°C | 7.5°C | 151 mm | 62 |
| Year | 14.9°C | 8.2°C | 11.6°C | 1,160 mm | 1,463 |
Where Santec’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Landivisiau, 21 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, Landivisiau, 21 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 Finistère.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Santec’s climate
How warm does Santec get in summer?
August is the warmest month, with average highs of 20.9°C. About 10 days a year reach 25°C, fewer than almost every mainland French town, and about under 1 reach 30°C.
How cold does Santec get in winter?
February nights average 4.1°C. The air drops to 0°C or below on about 14 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Santec get?
About 1,160 mm a year, more than 94% of mainland French towns. December is the wettest month (151 mm) and June the driest (63 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Landivisiau (21 km away), averages 1,463 hours of sunshine a year.
Are these figures for Santec itself?
No: they are the normals of the Météo-France station matched to Santec, Landivisiau, 21 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 LANDIVISIAU, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Santec →
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.