French Guiana Climate Guides

The French Guiana Climate Guide is perfect for planning your holiday. Monthly weather averages give the best indication of what the weather is usually like for every month of the year including figures for temperature, rainfall and sunshine.

French Guiana Weather French Guiana Summary French Guiana Climate French Guiana Today French Guiana Forecast French Guiana When Best
French Guiana Weather French Guiana Summary French Guiana Climate French Guiana Today French Guiana Forecast French Guiana When Best
J F M A M J J A S O N D
Max Daytime Temperature (°C) 28°C (82°F) Max Daytime Temperature in January in French Guiana (Cayenne) 28°C (82°F) Max Daytime Temperature in February in French Guiana (Cayenne) 28°C (82°F) Max Daytime Temperature in March in French Guiana (Cayenne) 29°C (84°F) Max Daytime Temperature in April in French Guiana (Cayenne) 29°C (84°F) Max Daytime Temperature in May in French Guiana (Cayenne) 29°C (84°F) Max Daytime Temperature in June in French Guiana (Cayenne) 30°C (86°F) Max Daytime Temperature in July in French Guiana (Cayenne) 30°C (86°F) Max Daytime Temperature in August in French Guiana (Cayenne) 31°C (88°F) Max Daytime Temperature in September in French Guiana (Cayenne) 31°C (88°F) Max Daytime Temperature in October in French Guiana (Cayenne) 30°C (86°F) Max Daytime Temperature in November in French Guiana (Cayenne) 29°C (84°F) Max Daytime Temperature in December in French Guiana (Cayenne)
Min Night-time Temperature (°C) 22°C (72°F) Min Night-time Temperature in January in French Guiana (Cayenne) 22°C (72°F) Min Night-time Temperature in February in French Guiana (Cayenne) 22°C (72°F) Min Night-time Temperature in March in French Guiana (Cayenne) 22°C (72°F) Min Night-time Temperature in April in French Guiana (Cayenne) 22°C (72°F) Min Night-time Temperature in May in French Guiana (Cayenne) 21°C (70°F) Min Night-time Temperature in June in French Guiana (Cayenne) 21°C (70°F) Min Night-time Temperature in July in French Guiana (Cayenne) 21°C (70°F) Min Night-time Temperature in August in French Guiana (Cayenne) 22°C (72°F) Min Night-time Temperature in September in French Guiana (Cayenne) 22°C (72°F) Min Night-time Temperature in October in French Guiana (Cayenne) 22°C (72°F) Min Night-time Temperature in November in French Guiana (Cayenne) 22°C (72°F) Min Night-time Temperature in December in French Guiana (Cayenne)
Hours of Sunshine (Daily) 4 Hours of Bright Sunshine per day (34% of Daylight Hours) in January in French Guiana (Cayenne) 4 Hours of Bright Sunshine per day (37% of Daylight Hours) in February in French Guiana (Cayenne) 5 Hours of Bright Sunshine per day (37% of Daylight Hours) in March in French Guiana (Cayenne) 5 Hours of Bright Sunshine per day (41% of Daylight Hours) in April in French Guiana (Cayenne) 4 Hours of Bright Sunshine per day (36% of Daylight Hours) in May in French Guiana (Cayenne) 5 Hours of Bright Sunshine per day (43% of Daylight Hours) in June in French Guiana (Cayenne) 7 Hours of Bright Sunshine per day (56% of Daylight Hours) in July in French Guiana (Cayenne) 8 Hours of Bright Sunshine per day (64% of Daylight Hours) in August in French Guiana (Cayenne) 8 Hours of Bright Sunshine per day (68% of Daylight Hours) in September in French Guiana (Cayenne) 8 Hours of Bright Sunshine per day (70% of Daylight Hours) in October in French Guiana (Cayenne) 7 Hours of Bright Sunshine per day (62% of Daylight Hours) in November in French Guiana (Cayenne) 5 Hours of Bright Sunshine per day (45% of Daylight Hours) in December in French Guiana (Cayenne)
Hours of Daylight (Daily) 12 Hours of Daylight in January in French Guiana (Cayenne) 12 Hours of Daylight in February in French Guiana (Cayenne) 12 Hours of Daylight in March in French Guiana (Cayenne) 12 Hours of Daylight in April in French Guiana (Cayenne) 12 Hours of Daylight in May in French Guiana (Cayenne) 12 Hours of Daylight in June in French Guiana (Cayenne) 12 Hours of Daylight in July in French Guiana (Cayenne) 12 Hours of Daylight in August in French Guiana (Cayenne) 12 Hours of Daylight in September in French Guiana (Cayenne) 12 Hours of Daylight in October in French Guiana (Cayenne) 12 Hours of Daylight in November in French Guiana (Cayenne) 12 Hours of Daylight in December in French Guiana (Cayenne)
Heat and Humidity Discomfort Moderate Heat & Humidity in January in French Guiana (Cayenne) High Heat & Humidity in February in French Guiana (Cayenne) High Heat & Humidity in March in French Guiana (Cayenne) High Heat & Humidity in April in French Guiana (Cayenne) High Heat & Humidity in May in French Guiana (Cayenne) High Heat & Humidity in June in French Guiana (Cayenne) High Heat & Humidity in July in French Guiana (Cayenne) Very High Heat & Humidity in August in French Guiana (Cayenne) Very High Heat & Humidity in September in French Guiana (Cayenne) Very High Heat & Humidity in October in French Guiana (Cayenne) High Heat & Humidity in November in French Guiana (Cayenne) High Heat & Humidity in December in French Guiana (Cayenne)
Days with some Rainfall 21 Days with some Rainfall in January in French Guiana (Cayenne) 18 Days with some Rainfall in February in French Guiana (Cayenne) 23 Days with some Rainfall in March in French Guiana (Cayenne) 23 Days with some Rainfall in April in French Guiana (Cayenne) 27 Days with some Rainfall in May in French Guiana (Cayenne) 24 Days with some Rainfall in June in French Guiana (Cayenne) 19 Days with some Rainfall in July in French Guiana (Cayenne) 10 Days with some Rainfall in August in French Guiana (Cayenne) 5 Days with some Rainfall in September in French Guiana (Cayenne) 6 Days with some Rainfall in October in French Guiana (Cayenne) 12 Days with some Rainfall in November in French Guiana (Cayenne) 18 Days with some Rainfall in December in French Guiana (Cayenne)
Monthly Rainfall (mm) 416 mm (16.4 inches) Monthly Rainfall in January in French Guiana (Cayenne) 330 mm (13.0 inches) Monthly Rainfall in February in French Guiana (Cayenne) 381 mm (15.0 inches) Monthly Rainfall in March in French Guiana (Cayenne) 464 mm (18.3 inches) Monthly Rainfall in April in French Guiana (Cayenne) 565 mm (22.2 inches) Monthly Rainfall in May in French Guiana (Cayenne) 428 mm (16.9 inches) Monthly Rainfall in June in French Guiana (Cayenne) 223 mm (8.8 inches) Monthly Rainfall in July in French Guiana (Cayenne) 135 mm (5.3 inches) Monthly Rainfall in August in French Guiana (Cayenne) 60 mm (2.4 inches) Monthly Rainfall in September in French Guiana (Cayenne) 64 mm (2.5 inches) Monthly Rainfall in October in French Guiana (Cayenne) 141 mm (5.6 inches) Monthly Rainfall in November in French Guiana (Cayenne) 312 mm (12.3 inches) Monthly Rainfall in December in French Guiana (Cayenne)
Chance of Ground Frost No Chance of Ground Frost in January in French Guiana (Cayenne) No Chance of Ground Frost in February in French Guiana (Cayenne) No Chance of Ground Frost in March in French Guiana (Cayenne) No Chance of Ground Frost in April in French Guiana (Cayenne) No Chance of Ground Frost in May in French Guiana (Cayenne) No Chance of Ground Frost in June in French Guiana (Cayenne) No Chance of Ground Frost in July in French Guiana (Cayenne) No Chance of Ground Frost in August in French Guiana (Cayenne) No Chance of Ground Frost in September in French Guiana (Cayenne) No Chance of Ground Frost in October in French Guiana (Cayenne) No Chance of Ground Frost in November in French Guiana (Cayenne) No Chance of Ground Frost in December in French Guiana (Cayenne)
UV Index (Maximum) UV (Maximum) Index 11+ (Extreme) in January in French Guiana (Cayenne) UV (Maximum) Index 11+ (Extreme) in February in French Guiana (Cayenne) UV (Maximum) Index 11+ (Extreme) in March in French Guiana (Cayenne) UV (Maximum) Index 11+ (Extreme) in April in French Guiana (Cayenne) UV (Maximum) Index 11+ (Extreme) in May in French Guiana (Cayenne) UV (Maximum) Index 11+ (Extreme) in June in French Guiana (Cayenne) UV (Maximum) Index 11 (Extreme) in July in French Guiana (Cayenne) UV (Maximum) Index 11+ (Extreme) in August in French Guiana (Cayenne) UV (Maximum) Index 11+ (Extreme) in September in French Guiana (Cayenne) UV (Maximum) Index 11+ (Extreme) in October in French Guiana (Cayenne) UV (Maximum) Index 11+ (Extreme) in November in French Guiana (Cayenne) UV (Maximum) Index 11 (Extreme) in December in French Guiana (Cayenne)
Sea Temperature (°C) 27°C (81°F) Sea Temperature in January in French Guiana (Cayenne) 27°C (81°F) Sea Temperature in February in French Guiana (Cayenne) 27°C (81°F) Sea Temperature in March in French Guiana (Cayenne) 27°C (81°F) Sea Temperature in April in French Guiana (Cayenne) 28°C (82°F) Sea Temperature in May in French Guiana (Cayenne) 28°C (82°F) Sea Temperature in June in French Guiana (Cayenne) 28°C (82°F) Sea Temperature in July in French Guiana (Cayenne) 28°C (82°F) Sea Temperature in August in French Guiana (Cayenne) 28°C (82°F) Sea Temperature in September in French Guiana (Cayenne) 28°C (82°F) Sea Temperature in October in French Guiana (Cayenne) 28°C (82°F) Sea Temperature in November in French Guiana (Cayenne) 27°C (81°F) Sea Temperature in December in French Guiana (Cayenne)
J F M A M J J A S O N D
French Guiana Holidays French Guiana Flights French Guiana Hotels French Guiana Hire Cars French Guiana Villas French Guiana Transfers
French Guiana Holidays French Guiana Flights French Guiana Hotels French Guiana Hire Cars French Guiana Villas French Guiana Transfers

The French Guiana Climate Guide shown above is based on the Cayenne Climate Guide. Please note that the weather may vary across this region. Below is a list of all the destinations in French Guiana with available Climate Guides.

  Cayenne  

French Guiana Weather by Month
Check the weather for a particular month in French Guiana by selecting a month from the list below. Alternatively check which month usually has the Best Weather in French Guiana. If you are not sure where to go, why not try our Holiday Planner.
  · January
  · February
  · March
   · April
  · May
  · June
   · July
  · August
  · September
   · October
  · November
  · December
Popular Climate Guide Regions

1.

Thailand

2.

Maldives

3.

Barbados

4.

Dominican Republic

5.

Cancun and Riviera Maya, Mexico

6.

Cuba

7.

Sri Lanka

8.

Antigua

9.

Goa, India

10.

Jamaica
Popular Climate Guide Destinations

1.

Cape Town, South Africa

2.

Mombasa, Kenya

3.

Sydney, New South Wales, Australia

4.

Bangkok, Thailand

5.

Male, Maldives

6.

Bridgetown, Barbados

7.

Santo Domingo, Dominican Republic

8.

Cancun, Cancun and Riviera Maya, Mexico

9.

Havana, Cuba

10.

Colombo, Sri Lanka