Photo: Clémenceau Lauret · CC BY-SA 4.0Afternoons in Petite-Île reach 25 to 30 degrees in every month of the year
Yearly rainfall comes to 949 mm. A year here swings 16°C from midwinter lows to midsummer highs. Set against mainland French towns, none of its figures stands out.
Figures from Météo-France’s Ravine des Cabris - Cirad station, 12 km north-west.
A year in Petite-Île at a glance
Each month’s typical high and low in °C, at the Ravine des Cabris - Cirad station.
What a year in Petite-Île 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 Ravine des Cabris - Cirad.
About 949 mm of rain a year
January is the wettest month and August the driest. About 25 days a year bring 10 mm or more. 19th wettest of 24 towns of 2,500+ in Réunion.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Gillot-Aéroport
63 days of 30°C or more a year
About 303 days a year reach 25°C and 63 reach 30°C. Frost is unknown at the coast.
Day counts are Météo-France’s 1991–2020 normals at Ravine des Cabris - Cirad: 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 Ravine des Cabris - Cirad
Ravine des Cabris - Cirad is 12 km north-west of Petite-Île. Every figure on this page is the station’s, not a measurement in Petite-Île itself.
| Station (Météo-France number) | Ravine des Cabris - Cirad (97416410) |
| Distance from the town | 12 km north-west |
| Station altitude | 310 m |
| Town altitude (its center) | 442 m |
| Period | 1997–2020 (the station’s own record) |
| Nearest station of any kind | 2.3 km |
| Sunshine measured at | Gillot-Aéroport, 51 km away |
Petite-Île sits 132 m higher than the station. Air usually cools by about 0.65°C every 100 m, so expect Petite-Île to run about 0.9°C cooler than these figures.
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 Petite-Île compares
Against the 24 towns of 2,500+ in Réunion (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 |
|---|---|---|---|---|
| Petite-Île | Ravine des Cabris - Cirad | 30.1°C | 14.0°C | 949 mm |
| Saint-Joseph 7 km | same station | 30.1°C about the same | 14.0°C about the same | 949 mm |
| Saint-Pierre 9.2 km | Ligne-Paradis - Cirad | 31.0°C 0.9°C warmer | 15.9°C 1.9°C milder | 956 mm |
| Le Tampon 11 km | Le Tampon - Cirad | 26.8°C 3.3°C cooler | 11.0°C 3°C colder | 1,424 mm |
| Entre-Deux 15 km | Le Gol les Hauts - Cirad | 29.6°C 0.5°C cooler | 14.4°C about the same | 1,162 mm |
| Saint-Louis 17 km | Pierrefonds - Cirad | 31.6°C 1.5°C warmer | 16.0°C 2°C milder | 695 mm |
| Saint-Philippe 20 km | Saint-Joseph | 31.0°C 0.9°C warmer | 18.0°C 4°C milder | 1,661 mm |
Petite-Île weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Ravine des Cabris - Cirad station; sunshine at Gillot-Aéroport.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 29.9°C | 20.6°C | 25.2°C | 206 mm | 218 |
| February | 30.1°C | 20.7°C | 25.4°C | 159 mm | 196 |
| March | 29.8°C | 20.0°C | 24.9°C | 127 mm | 215 |
| April | 28.8°C | 18.7°C | 23.8°C | 93 mm | 216 |
| May | 27.0°C | 16.9°C | 22.0°C | 54 mm | 214 |
| June | 25.3°C | 15.0°C | 20.1°C | 47 mm | 210 |
| July | 24.5°C | 14.0°C | 19.2°C | 55 mm | 222 |
| August | 24.9°C | 14.0°C | 19.5°C | 22 mm | 216 |
| September | 25.4°C | 14.6°C | 20.0°C | 32 mm | 211 |
| October | 26.4°C | 15.9°C | 21.2°C | 28 mm | 211 |
| November | 27.7°C | 17.5°C | 22.6°C | 39 mm | 212 |
| December | 29.0°C | 19.3°C | 24.2°C | 90 mm | 227 |
| Year | 27.4°C | 17.3°C | 22.3°C | 949 mm | 2,567 |
Where Petite-Île’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Ravine des Cabris - Cirad, 12 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, Gillot-Aéroport, 51 km away.
- Comparisons: the towns of 2,500+ in Réunion, read the same way.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Petite-Île’s climate
How warm does Petite-Île get in summer?
February is the warmest month, with average highs of 30.1°C. About 303 days a year reach 25°C, and about 63 reach 30°C.
Does Petite-Île ever get cool?
Not much: the coolest nights, in July, average 14.0°C.
How much rain does Petite-Île get?
About 949 mm a year. January is the wettest month (206 mm) and August the driest (22 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Gillot-Aéroport (51 km away), averages 2,567 hours of sunshine a year.
Are these figures for Petite-Île itself?
No: they are the normals of the Météo-France station matched to Petite-Île, Ravine des Cabris - Cirad, 12 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 RAVINE DES CABRIS - CIRAD, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Petite-Île →
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.