# Cayenne in February: weather

Cayenne, French Guiana (South America). Ten-year climatology (2015-2024), not a forecast. Page: https://beaufixe.net/en/weather/cayenne/february

## Key figures

| Indicator | Value |
|---|---|
| Afternoon (mean daily max) | 27.5 °C |
| Night (mean daily min) | 23.6 °C |
| Sea (surface) | 27.3 °C |
| Rainy days (≥ 1 mm) | 24 / month |
| Relative humidity | 85 % |
| Probability of a 25 °C+ afternoon | 94 % |

## Month by month

| Month | Afternoon | Night | Sea | Rain (d) |
|---|---|---|---|---|
| January | 27.5 °C | 23.6 °C | 27.3 °C | 27 |
| February | 27.5 °C | 23.6 °C | 27.3 °C | 24 |
| March | 28.1 °C | 24.1 °C | 27.6 °C | 27 |
| April | 28 °C | 24 °C | 27.8 °C | 28 |
| May | 28 °C | 23.7 °C | 28.1 °C | 30 |
| June | 28.2 °C | 23.3 °C | 28.5 °C | 29 |
| July | 28.9 °C | 23.3 °C | 28.6 °C | 29 |
| August | 30.1 °C | 23.8 °C | 28.5 °C | 22 |
| September | 31.1 °C | 24.3 °C | 28.4 °C | 15 |
| October | 31 °C | 24.7 °C | 28.5 °C | 15 |
| November | 29.5 °C | 24.4 °C | 28.3 °C | 23 |
| December | 28 °C | 23.8 °C | 27.8 °C | 29 |

Best months : October, September, August.

## Before you go

- **Safety** : No specific restrictions. Usual precautions apply. (official advice updated 11 August 2026 — https://www.gov.uk/foreign-travel-advice/france)
- **Entry** (British passport) : No visa needed for stays of up to 90 days. Passport valid for at least 3 months. FCDO applies the France (Schengen) page: passport issued less than 10 years before arrival and valid 3 months after leaving; EES biometrics at the border. (per the UK Foreign Office, 11 August 2026)
- **Vaccines** : hepatitis A and hepatitis B if you are not already vaccinated; chikungunya depending on activities and areas visited. Routine vaccines up to date (measles in particular).
- **Yellow fever** : Vaccine recommended for the whole country. Vaccination certificate required on entry for all travellers.
- **Malaria** : Present. Areas: Areas associated with gold mining, primarily the communes near the border with Brazil and Suriname, especially Régina and Saint-Georges-de-l’Oyapock; also, the communes of Kourou, Matoury, and Saint-Élie No malaria transmission in coastal areas west of Kourou No malaria transmission in Cayenne City (the capital). Preventive medication recommended: Atovaquone-proguanil, doxycycline, mefloquine, tafenoquine — prescribed before departure.
- **Mosquitoes** : dengue and Zika reported: protect yourself from bites.
  (per the CDC, page reviewed 3 September 2026 — https://wwwnc.cdc.gov/travel/destinations/traveler/none/french-guiana)

## Sources

Air, rain, humidity: ERA5-Land reanalysis (Copernicus) served by Open-Meteo (CC BY 4.0). Sea: NOAA OISST. Safety: FCDO (OGL v3), zones reviewed by Beau Fixe. Entry: France Diplomatie (Licence Ouverte 2.0) / FCDO. Health: CDC (public domain). Details: https://beaufixe.net/en/legal#sources

Beau Fixe — https://beaufixe.net — not a forecast; only the authorities are authoritative for safety, entry rules and health.