Hardly any mainland French towns see softer January nights than La Seyne-sur-Mer
Expect July afternoons of about 29.5°C. Rain peaks in October and eases off in July. Warm afternoons come more often than in 92% of mainland French towns. Keep the boiler serviced for the months from January, which average under 10°C.
Figures from Météo-France’s Toulon station, 2.7 km north-east.
A year in La Seyne-sur-Mer at a glance
Each month’s typical high and low in °C, at the Toulon station.
What a year in La Seyne-sur-Mer feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Toulon.
About 633 mm of rain a year
October is the wettest month and July the driest. About 19 days a year bring 10 mm or more. 74th wettest of 85 towns of 2,500+ in Var.
Rain by month
Millimeters
2 frosts and 110 days of 25°C a year
On about 2 nights a year the air drops to 0°C or below; days that stay below freezing are rare. About 110 days a year reach 25°C, and 37 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Toulon: 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 Toulon
Toulon is 2.7 km north-east of La Seyne-sur-Mer. Every figure on this page is the station’s, not a measurement in La Seyne-sur-Mer itself.
| Station (Météo-France number) | Toulon (83137001) |
| Distance from the town | 2.7 km north-east |
| Station altitude | 3 m |
| Town altitude (its center) | 39 m |
| Period | 1991–2020 |
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 La Seyne-sur-Mer 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 Var.
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 |
|---|---|---|---|---|
| La Seyne-sur-Mer | Toulon | 29.5°C | 6.6°C | 633 mm |
| Six-Fours-les-Plages 3.8 km | same station | 29.5°C about the same | 6.6°C about the same | 633 mm |
| Saint-Mandrier-sur-Mer 4.4 km | Cap Cepet | 28.0°C 1.5°C cooler | 6.6°C about the same | 647 mm |
| Ollioules 4.4 km | Le Castellet | 30.8°C 1.3°C warmer | 2.9°C 3.7°C colder | 607 mm |
| Toulon 5.8 km | same station | 29.5°C about the same | 6.6°C about the same | 633 mm |
| Sanary-sur-Mer 7.1 km | same station | 29.5°C about the same | 6.6°C about the same | 633 mm |
| Le Revest-les-Eaux 9.3 km | Cap Cepet | 28.0°C 1.5°C cooler | 6.6°C about the same | 647 mm |
La Seyne-sur-Mer weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Toulon station.
| Month | High | Low | Mean | Rain |
|---|---|---|---|---|
| January | 13.2°C | 6.6°C | 9.9°C | 71 mm |
| February | 13.8°C | 6.3°C | 10.1°C | 47 mm |
| March | 16.4°C | 8.4°C | 12.4°C | 39 mm |
| April | 18.8°C | 10.5°C | 14.7°C | 55 mm |
| May | 22.6°C | 13.9°C | 18.3°C | 40 mm |
| June | 26.8°C | 17.5°C | 22.2°C | 27 mm |
| July | 29.5°C | 19.9°C | 24.7°C | 6 mm |
| August | 29.8°C | 20.2°C | 25.0°C | 13 mm |
| September | 25.9°C | 17.1°C | 21.5°C | 70 mm |
| October | 21.4°C | 14.1°C | 17.8°C | 106 mm |
| November | 16.8°C | 10.1°C | 13.5°C | 93 mm |
| December | 13.9°C | 7.5°C | 10.7°C | 66 mm |
| Year | 20.7°C | 12.7°C | 16.7°C | 633 mm |
Where La Seyne-sur-Mer’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Toulon, 2.7 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.
- Comparisons: every town of 2,500 or more in mainland France, read the same way; the dots are the towns of 2,500+ in Var.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about La Seyne-sur-Mer’s climate
How warm does La Seyne-sur-Mer get in summer?
August is the warmest month, with average highs of 29.8°C. About 110 days a year reach 25°C, more than 92% of mainland French towns, and about 37 reach 30°C.
How cold does La Seyne-sur-Mer get in winter?
February nights average 6.3°C. The air drops to 0°C or below on about 2 nights a year, and about 0 days a year stay below freezing all day.
How much rain does La Seyne-sur-Mer get?
About 633 mm a year, less than 89% of mainland French towns. October is the wettest month (106 mm) and July the driest (6 mm).
Are these figures for La Seyne-sur-Mer itself?
No: they are the normals of the Météo-France station matched to La Seyne-sur-Mer, Toulon, 2.7 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 TOULON, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for La Seyne-sur-Mer →
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.