Best time to visit French Guiana
The best time to visit in French Guiana is in March and June until November, when you will have a warm temperature and limited till mediocre rainfall. The highest average temperature in in French Guiana is 32°C in September and the lowest is 28°C in January.
French Guiana has the tropical monsoon climate prevailing. If you want to know what the average temperature is in in French Guiana or when most precipitation (rain or snow) falls, you can find a quick overview below. This way, you are well prepared. Our average monthly climate data is based on data from the past 30 years.
Average weather French Guiana by month
Travel and stay French Guiana
Looking to book a flight to French Guiana? Hop on one of these airlines.
14 day weather forecast French Guiana
The weather for in French Guiana will be 31° till 32° degrees in the next 14 days with every day chance of light rain showers or even quite a bit of rain.
The weather forecast for French Guiana is based on the weather conditions in the city of Cayenne.
Weather forecast this week
|Sunday 19 Sep||Precip||Chance||Wind||UV|
|5.3 mm||65%||2 m/s||8|
|Monday 20 Sep||Precip||Chance||Wind||UV|
|0.6 mm||15%||3 m/s||7|
|Tuesday 21 Sep||Precip||Chance||Wind||UV|
|3.1 mm||50%||3 m/s||11|
|Wednesday 22 Sep||Precip||Chance||Wind||UV|
|9.4 mm||75%||2 m/s||7|
|Thursday 23 Sep||Precip||Chance||Wind||UV|
|4.1 mm||60%||2 m/s||4|
|Friday 24 Sep||Precip||Chance||Wind||UV|
|3.4 mm||55%||3 m/s||8|
|Saturday 25 Sep||Precip||Chance||Wind||UV|
|10.9 mm||80%||2 m/s||4|
Weather forecast next week
|Sunday 26 Sep||Precip||Chance||Wind||UV|
|10.4 mm||80%||2 m/s||10|
|Monday 27 Sep||Precip||Chance||Wind||UV|
|2.1 mm||40%||3 m/s||11|
|Tuesday 28 Sep||Precip||Chance||Wind||UV|
|0.4 mm||15%||3 m/s||11|
|Wednesday 29 Sep||Precip||Chance||Wind||UV|
|0.2 mm||20%||2 m/s||5|
|Thursday 30 Sep||Precip||Chance||Wind||UV|
|1.9 mm||40%||3 m/s||5|
|Friday 1 Oct||Precip||Chance||Wind||UV|
|11.9 mm||80%||2 m/s||2|
|Saturday 2 Oct||Precip||Chance||Wind||UV|
|0.6 mm||15%||3 m/s||5|
Climate French Guiana
French Guiana has the tropical monsoon climate prevailing. You have high temperatures and a lot of rainfall throughout the year. The average annual temperature for French Guiana is 29° degrees and there is about 1357 mm of rain in a year. It is dry for 67 days a year with an average humidity of 81% and an UV-index of 7.
Climate table of French Guiana
|Day temp. (°C)||28||28||28||28||29||29||30||31||32||32||31||29|
|Night temp. (°C)||24||24||24||25||25||24||24||24||25||25||25||24|
|Days with rain||28||26||27||27||29||28||26||17||12||11||16||25|
|Sun hours per day||7||6||6||7||8||8||9||9||9||9||9||8|
|Wind force (Bft)||3||3||3||3||2||2||2||2||2||2||2||3|
French Guiana weather by month
What is the average weather like in a given month for French Guiana? Let's find out! Click on a month to check all the monthly averages for sunshine, temperature highs and lows, percentage chance of rain per day, snowfall accumulation and number of rainy days.
Weather experiences French Guiana
Already been to French Guiana?
Share your experience of the French Guiana weather and get a chance to win $150!
Popular places in French Guiana
- Pilipi Wono
- Carrefour de Mana
- Dégrad Corrèze
- Antécume Pata
- Port Inini
- Beau Soleil
- Papi Kondé
- Le Califourchon
- Roche Tablon
- Vieux Assissi
Frequently asked questions
Where is French Guiana?
French Guiana lies in a straight line about 8,570 km from New Zealand (Cape Town → Cayenne).
How long is the flight to French Guiana?
The flight time from Cape Town International Airport to French Guiana is approximately 12 hours.
How many inhabitants are there in French Guiana?
French Guiana has approximately 281,612 inhabitants.
How big is French Guiana?
The area of French Guiana is around 83,534 km². It is 15x smaller than New Zealand.
What is the capital of French Guiana?
The capital of French Guiana is Cayenne.
What is the currency of French Guiana?
In French Guiana the Euro (EUR) is used to pay.
Exchange rates on 19 September 2021
- 1 Euro = 0.055 South African rand
- 1 South African rand = 18.32 Euro
- 10 Euro = 0.546 South African rand
- 10 South African rand = 183.22 Euro
- 100 Euro = 5.46 South African rand
- 100 South African rand = 1,832.19 Euro
What is the area code of French Guiana?
The area code to call French Guiana is +594.