French Guiana weather, climate and best time to visit

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temperature (°C) 28 28 28 28 29 29 30 31 32 32 31 29
Precipitation (mm) 155 168 123 162 192 138 90 47 22 26 65 170
Climate data from city: Cayenne

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 29° till 30° degrees in the next 14 days with every day chance of light rain showers till heavy rain.

The weather forecast for French Guiana is based on the weather conditions in the city of Cayenne.

Weather forecast this week

Sunday 24 Oct Precip Chance Wind UV
27°
24°
33.8 mm 90% 3 m/s 3
Monday 25 Oct Precip Chance Wind UV
29°
24°
19.1 mm 85% 2 m/s 3
Tuesday 26 Oct Precip Chance Wind UV
30°
23°
16.3 mm 85% 2 m/s 4
Wednesday 27 Oct Precip Chance Wind UV
31°
24°
0.7 mm 20% 3 m/s 10
Thursday 28 Oct Precip Chance Wind UV
31°
24°
0.3 mm 10% 2 m/s 9
Friday 29 Oct Precip Chance Wind UV
31°
24°
0.3 mm 10% 2 m/s 10
Saturday 30 Oct Precip Chance Wind UV
30°
24°
5.1 mm 65% 2 m/s 4

Weather forecast next week

Sunday 31 Oct Precip Chance Wind UV
30°
24°
10.7 mm 80% 2 m/s 3
Monday 1 Nov Precip Chance Wind UV
30°
24°
3.3 mm 50% 3 m/s 4
Tuesday 2 Nov Precip Chance Wind UV
30°
24°
2.1 mm 40% 2 m/s 5
Wednesday 3 Nov Precip Chance Wind UV
31°
24°
1.1 mm 25% 3 m/s 3
Thursday 4 Nov Precip Chance Wind UV
30°
23°
5.2 mm 65% 3 m/s 2
Friday 5 Nov Precip Chance Wind UV
29°
22°
15.5 mm 85% 2 m/s 2
Saturday 6 Nov Precip Chance Wind UV
30°
22°
1.2 mm 30% 1 m/s 2

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 155 168 123 162 192 138 90 47 22 26 65 170
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
Climate data from city: Cayenne

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

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Frequently asked questions

Where is French Guiana?

French Guiana lies in a straight line about 13,699 km from New Zealand (Wellington → Cayenne).

How long is the flight to French Guiana?

The flight time from Auckland Airport to French Guiana is approximately 17 h. 30 min.

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 3,5x 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 24 October 2021

  • 1 Euro = 0.58 New Zealand dollar
  • 1 New Zealand dollar = 1.72 Euro
  • 10 Euro = 5.82 New Zealand dollar
  • 10 New Zealand dollar = 17.17 Euro
  • 100 Euro = 58.23 New Zealand dollar
  • 100 New Zealand dollar = 171.72 Euro

What is the area code of French Guiana?

The area code to call French Guiana is +594.