Climate French Guiana
French Guiana has a tropical monsoon climate. You have high temperatures and a lot of rainfall throughout the year. The average annual temperature for French Guiana is 56° degrees and there is about 534 inch 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 French Guiana by month
|
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
| Day temp. (°F) |
82 |
82 |
83 |
83 |
84 |
85 |
86 |
88 |
89 |
89 |
87 |
84 |
| Night temp. (°F) |
75 |
75 |
76 |
76 |
76 |
76 |
75 |
76 |
76 |
77 |
77 |
76 |
|
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
| Precipitation (inch) |
61 |
66 |
48 |
64 |
76 |
54 |
35 |
19 |
9 |
10 |
26 |
67 |
| Days with rain |
28 |
26 |
27 |
27 |
29 |
28 |
26 |
17 |
12 |
11 |
16 |
25 |
| Dry days |
3 |
2 |
4 |
3 |
2 |
2 |
5 |
14 |
18 |
20 |
14 |
6 |
|
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
| 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 |
| UV-index |
6 |
6 |
6 |
6 |
6 |
7 |
7 |
7 |
7 |
7 |
7 |
6 |
View the 14 day weather forecast for French Guiana
Travel and stay French Guiana
If you are planning on visiting French Guiana, check out these well-known travel agencies. They have been rated as the best by travelers and offer great prices for any budget.
Airline tickets
Looking to book a flight to French Guiana? Hop on one of these airlines.
Best time to visit French Guiana
To go to French Guiana, the best time to visit is July through November. In this period you have a warm temperature and little precipitation. In French Guiana, September is the warmest month with 89°F and the most cold month is 82°F in January.
In the table below you can quickly check the average weather in French Guiana per month, the temperature per month or the period with the highest precipitation. Monthly average climate data is based on data from the last 30 years.
Weather data from: Cayenne
French Guiana weather by month
What is the average French Guiana weather like in a given month? 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.
French Guiana weather experiences
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Frequently asked questions
Where is French Guiana?
French Guiana lies in a straight line about 2,853 miles from United States (New York → Cayenne).
How long is the flight to French Guiana?
The flight time from Los Angeles International Airport (LAX) to French Guiana is approximately 10 h. 30 min.
What are the largest airports in French Guiana?
These are the largest airports in French Guiana:
- Cayenne-Rochambeau Airport (CAY)
How many inhabitants does French Guiana have?
French Guiana has 281,612 inhabitants.
How big is French Guiana?
The surface area of French Guiana is 51,908 mi². It is 5x smaller than United States.
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 for payment.
Exchange rates on 2 June 2023
- 1 US dollar = 0.84 Euro
- 1 Euro = 1.19 US dollar
- 100 US dollar = 84.21 Euro
- 100 Euro = 118.75 US dollar
What is the area code of French Guiana?
The area code to call French Guiana is +594.
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Climate French Guiana and best time to visit
