Afternoons in Matoury reach 29 to 33 degrees in every month of the year
Twelve months of showers and storms leave about 3,488 mm. Winter and summer sit 10°C apart. Set against mainland French towns, none of its figures stands out.
Figures from Météo-France’s Cayenne-Matoury station, 4.9 km south-west.
A year in Matoury at a glance
Each month’s typical high and low in °C, at the Cayenne-Matoury station.
What a year in Matoury 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 Cayenne-Matoury.
About 3,488 mm of rain a year
May is the wettest month and October the driest. About 101 days a year bring 10 mm or more. The wettest of 15 towns of 2,500+ in French Guiana.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Cayenne-Matoury
The Météo-France station at Cayenne-Matoury
Cayenne-Matoury is 4.9 km south-west of Matoury. Every figure on this page is the station’s, not a measurement in Matoury itself.
| Station (Météo-France number) | Cayenne-Matoury (97307001) |
| Distance from the town | 4.9 km south-west |
| Station altitude | 4 m |
| Town altitude (its center) | 6 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 Matoury compares
Against the 15 towns of 2,500+ in French Guiana (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 |
|---|---|---|---|---|
| Matoury | Cayenne-Matoury | 32.5°C | 22.4°C | 3,488 mm |
| Remire-Montjoly 8.6 km | same station | 32.5°C about the same | 22.4°C about the same | 3,488 mm |
| Cayenne 9.8 km | same station | 32.5°C about the same | 22.4°C about the same | 3,488 mm |
| Roura 14 km | same station | 32.5°C about the same | 22.4°C about the same | 3,488 mm |
| Montsinéry-Tonnegrande 19 km | same station | 32.5°C about the same | 22.4°C about the same | 3,488 mm |
| Macouria 24 km | same station | 32.5°C about the same | 22.4°C about the same | 3,488 mm |
Matoury weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Cayenne-Matoury station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 29.3°C | 23.4°C | 26.4°C | 399 mm | 102 |
| February | 29.3°C | 23.5°C | 26.4°C | 335 mm | 90 |
| March | 29.7°C | 23.6°C | 26.7°C | 315 mm | 117 |
| April | 30.0°C | 23.8°C | 26.9°C | 443 mm | 121 |
| May | 30.1°C | 23.6°C | 26.8°C | 600 mm | 121 |
| June | 30.5°C | 23.0°C | 26.8°C | 392 mm | 153 |
| July | 31.1°C | 22.5°C | 26.8°C | 262 mm | 200 |
| August | 31.8°C | 22.5°C | 27.2°C | 135 mm | 231 |
| September | 32.4°C | 22.5°C | 27.4°C | 63 mm | 251 |
| October | 32.5°C | 22.4°C | 27.5°C | 55 mm | 257 |
| November | 31.7°C | 22.7°C | 27.2°C | 135 mm | 208 |
| December | 30.3°C | 23.2°C | 26.7°C | 352 mm | 150 |
| Year | 30.7°C | 23.1°C | 26.9°C | 3,488 mm | 2,003 |
Where Matoury’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Cayenne-Matoury, 4.9 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, Cayenne-Matoury, 4.9 km away.
- Comparisons: the towns of 2,500+ in French Guiana, read the same way.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Matoury’s climate
How warm does Matoury get in summer?
October is the warmest month, with average highs of 32.5°C. Météo-France publishes no count of hot days for this station.
Does Matoury ever get cool?
Not much: the coolest nights, in October, average 22.4°C.
How much rain does Matoury get?
About 3,488 mm a year. May is the wettest month (600 mm) and October the driest (55 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Cayenne-Matoury (4.9 km away), averages 2,003 hours of sunshine a year.
Are these figures for Matoury itself?
No: they are the normals of the Météo-France station matched to Matoury, Cayenne-Matoury, 4.9 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 CAYENNE-MATOURY, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Matoury →
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.