Afternoons in Saint-Joseph reach 28 to 31 degrees in every month of the year
Measured over a year, the rain totals 1,951 mm. Winter and summer sit 9°C apart. Its July, January and rain figures all sit close to those of typical mainland French towns.
These are the figures of Météo-France’s Fort-de-France Desaix station, 6.4 km south-west.
A year in Saint-Joseph at a glance
Each month’s typical high and low in °C, at the Fort-de-France Desaix station.
What a year in Saint-Joseph feels like
Typical highs and lows in the rainier and the drier half of the year, and by month, from Météo-France’s 1991–2020 normals at Fort-de-France Desaix.
About 1,951 mm of rain a year
August is the wettest month and March the driest. About 57 days a year bring 10 mm or more. 14th wettest of 27 towns of 2,500+ in Martinique.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Lamentin-Aéro
The Météo-France station at Fort-de-France Desaix
Fort-de-France Desaix is 6.4 km south-west of Saint-Joseph. Every figure on this page is the station’s, not a measurement in Saint-Joseph itself.
| Station (Météo-France number) | Fort-de-France Desaix (97209004) |
| Distance from the town | 6.4 km south-west |
| Station altitude | 143 m |
| Town altitude (its center) | 225 m |
| Period | 1991–2020 |
| Nearest station of any kind | 4 km |
| Sunshine measured at | Lamentin-Aéro, 9.1 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-Joseph compares
Against the 27 towns of 2,500+ in Martinique (the dots). Mainland France’s towns aren’t a fair comparison for a tropical climate.
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 | Warmest-month high | Coolest-month low | Rain a year |
|---|---|---|---|---|
| Saint-Joseph | Fort-de-France Desaix | 30.5°C | 22.0°C | 1,951 mm |
| Gros-Morne 5.3 km | same station | 30.5°C about the same | 22.0°C about the same | 1,951 mm |
| Le Lamentin 5.7 km | Lamentin-Aéro | 31.7°C 1.2°C warmer | 22.1°C about the same | 2,057 mm |
| Fort-de-France 5.9 km | same station | 30.5°C about the same | 22.0°C about the same | 1,951 mm |
| Schœlcher 8.4 km | Lamentin-Aéro | 31.7°C 1.2°C warmer | 22.1°C about the same | 2,057 mm |
| Le Robert 9.7 km | François-Chopot | 31.2°C 0.7°C warmer | 23.1°C 1.1°C milder | 1,793 mm |
| Case-Pilote 11 km | same station | 30.5°C about the same | 22.0°C about the same | 1,951 mm |
Saint-Joseph weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Fort-de-France Desaix station; sunshine at Lamentin-Aéro.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 27.7°C | 22.2°C | 25.0°C | 114 mm | 202 |
| February | 27.9°C | 22.0°C | 24.9°C | 77 mm | 202 |
| March | 28.5°C | 22.3°C | 25.4°C | 71 mm | 229 |
| April | 29.3°C | 23.1°C | 26.2°C | 109 mm | 218 |
| May | 29.8°C | 23.9°C | 26.8°C | 133 mm | 217 |
| June | 29.6°C | 24.3°C | 27.0°C | 154 mm | 195 |
| July | 29.7°C | 24.2°C | 26.9°C | 206 mm | 216 |
| August | 30.2°C | 24.4°C | 27.3°C | 247 mm | 223 |
| September | 30.5°C | 24.5°C | 27.5°C | 214 mm | 207 |
| October | 30.2°C | 24.2°C | 27.2°C | 243 mm | 205 |
| November | 29.2°C | 23.7°C | 26.4°C | 237 mm | 183 |
| December | 28.2°C | 23.0°C | 25.6°C | 148 mm | 193 |
| Year | 29.2°C | 23.5°C | 26.4°C | 1,951 mm | 2,489 |
Where Saint-Joseph’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Fort-de-France Desaix, 6.4 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, Lamentin-Aéro, 9.1 km away.
- Comparisons: the towns of 2,500+ in Martinique, read the same way.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Saint-Joseph’s climate
How warm does Saint-Joseph get in summer?
September is the warmest month, with average highs of 30.5°C. Météo-France publishes no count of hot days for this station.
Does Saint-Joseph ever get cool?
Not much: the coolest nights, in February, average 22.0°C.
How much rain does Saint-Joseph get?
About 1,951 mm a year. August is the wettest month (247 mm) and March the driest (71 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Lamentin-Aéro (9.1 km away), averages 2,489 hours of sunshine a year.
Are these figures for Saint-Joseph itself?
No: they are the normals of the Météo-France station matched to Saint-Joseph, Fort-de-France Desaix, 6.4 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 FORT-DE-FRANCE DESAIX, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Joseph →
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.