Hardly any mainland French towns see fresher July days than Porspoder
The depth of winter brings overnight lows near 6.8°C. Of the 91 towns of 2,500+ in Finistère, it has the mildest January nights. Temperatures cover 13°C across the year, low to high. Warm coats and heating bills mark the months from December to March, when means dip under 10°C.
These are the figures of Météo-France’s Ouessant-Stiff station, 22 km west.
A year in Porspoder at a glance
Each month’s typical high and low in °C, at the Ouessant-Stiff station.
What a year in Porspoder feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Ouessant-Stiff.
About 813 mm of rain a year
December is the wettest month and July the driest. About 21 days a year bring 10 mm or more. 90th wettest of 91 towns of 2,500+ in Finistère.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Brest-Guipavas
under 1 frosts and under 1 days of 25°C a year
On about under 1 nights a year the air drops to 0°C or below; days that stay below freezing are rare. About under 1 days a year reach 25°C, and 0 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Ouessant-Stiff: 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 Ouessant-Stiff
Ouessant-Stiff is 22 km west of Porspoder. Every figure on this page is the station’s, not a measurement in Porspoder itself.
| Station (Météo-France number) | Ouessant-Stiff (29155005) |
| Distance from the town | 22 km west |
| Station altitude | 64 m |
| Town altitude (its center) | 32 m |
| Period | 1995–2020 (the station’s own record) |
| Nearest station of any kind | 8.7 km |
| Sunshine measured at | Brest-Guipavas, 28 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 Porspoder 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 |
|---|---|---|---|---|
| Porspoder | Ouessant-Stiff | 19.3°C | 6.8°C | 813 mm |
| Plouarzel 7.6 km | same station | 19.3°C about the same | 6.8°C about the same | 813 mm |
| Ploudalmézeau 8.1 km | Brest-Guipavas | 20.8°C 1.5°C warmer | 4.6°C 2.2°C colder | 1,230 mm |
| Saint-Renan 13 km | Brest-Guipavas | 20.8°C 1.5°C warmer | 4.6°C 2.2°C colder | 1,230 mm |
| Milizac-Guipronvel 15 km | Brest-Guipavas | 20.8°C 1.5°C warmer | 4.6°C 2.2°C colder | 1,230 mm |
| Le Conquet 16 km | same station | 19.3°C about the same | 6.8°C about the same | 813 mm |
| Landéda 17 km | Ploudaniel-Inrae | 21.3°C 2°C warmer | 4.4°C 2.4°C colder | 1,147 mm |
Porspoder weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Ouessant-Stiff station; sunshine at Brest-Guipavas.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 10.4°C | 6.8°C | 8.6°C | 93 mm | 61 |
| February | 10.4°C | 6.4°C | 8.4°C | 75 mm | 82 |
| March | 11.5°C | 7.2°C | 9.3°C | 56 mm | 122 |
| April | 13.2°C | 8.2°C | 10.7°C | 58 mm | 165 |
| May | 15.2°C | 10.2°C | 12.7°C | 50 mm | 188 |
| June | 17.5°C | 12.3°C | 14.9°C | 49 mm | 184 |
| July | 19.3°C | 13.8°C | 16.5°C | 47 mm | 180 |
| August | 19.6°C | 14.1°C | 16.8°C | 61 mm | 172 |
| September | 18.2°C | 13.2°C | 15.7°C | 52 mm | 158 |
| October | 15.9°C | 11.7°C | 13.8°C | 81 mm | 109 |
| November | 13.0°C | 9.4°C | 11.2°C | 95 mm | 72 |
| December | 11.1°C | 7.5°C | 9.3°C | 96 mm | 61 |
| Year | 14.6°C | 10.1°C | 12.3°C | 813 mm | 1,555 |
Where Porspoder’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Ouessant-Stiff, 22 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, Brest-Guipavas, 28 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 Porspoder’s climate
How warm does Porspoder get in summer?
August is the warmest month, with average highs of 19.6°C. About under 1 days a year reach 25°C, fewer than almost every mainland French town, and about 0 reach 30°C.
How cold does Porspoder get in winter?
February nights average 6.4°C. The air drops to 0°C or below on about under 1 nights a year, and about 0 days a year stay below freezing all day.
How much rain does Porspoder get?
About 813 mm a year, more than 62% of mainland French towns. December is the wettest month (96 mm) and July the driest (47 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Brest-Guipavas (28 km away), averages 1,555 hours of sunshine a year.
Are these figures for Porspoder itself?
No: they are the normals of the Météo-France station matched to Porspoder, Ouessant-Stiff, 22 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 OUESSANT-STIFF, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Porspoder →
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.