French Guiana weather forecast

Get the latest coronavirus (Covid-19) updates for French Guiana with current travel advice and statistics on new cases per 100,000 and vaccine.

Last updated at 04:02 on Wednesday 28th July 2021 GMT

  • Save on return flights to worldwide destinations with KLM
  • Book flights to Abu Dhabi, Jo'burg, Tokyo & more
  • Plus more flights to the Americas, Middle East & Europe

Recommended for French Guiana

  • Top deals & discounts
  • French Guiana weather overview
  • French Guiana climate averages by month
  • More destinations
  • Best time to go to French Guiana
  • French Guiana weather today - current conditions (last 24-hours)

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The 5-day weather forecast for French Guiana is provided by the Swiss meteorological agency, MeteoBlue. Find out more about our data sources.

French Guiana weather forecast by day

Below are the detailed weather forecasts for French Guiana for the next 5 days. The forecasts shown are for Cayenne and may not represent the whole of French Guiana. Browse more destinations in French Guiana to view more weather forecasts.

French Guiana weather for Wednesday 28th July 2021

Below is the French Guiana weather forecast for Wednesday 28th July 2021. Expect isolated thunderstorms in French Guiana with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 65% chance of some rain and a light breeze of 9 kph from the east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 65% chance of some rain65
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 9 kph from the East9
    kph wind from E

Back to top

French Guiana weather for Thursday 29th July 2021

Below is the French Guiana weather forecast for Thursday 29th July 2021. Expect isolated thunderstorms in French Guiana with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 79% chance of some rain and little or no wind of 6 kph from the east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 79% chance of some rain79
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 6 kph from the East6
    kph wind from E

Back to top

French Guiana weather for Friday 30th July 2021

Below is the French Guiana weather forecast for Friday 30th July 2021. Expect isolated thunderstorms in French Guiana with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 81% chance of some rain and a light breeze of 7 kph from the north-east.

  • 30°C maximum temperature30
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 81% chance of some rain81
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 7 kph from the North-East7
    kph wind from NE

Back to top

French Guiana weather for Saturday 31st July 2021

Below is the French Guiana weather forecast for Saturday 31st July 2021. Expect isolated thunderstorms in French Guiana with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 51% chance of some rain and little or no wind of 6 kph from the south.

  • 31°C maximum temperature31
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 51% chance of some rain51
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 6 kph from the South6
    kph wind from S

Back to top

French Guiana weather for Sunday 1st August 2021

Below is the French Guiana weather forecast for Sunday 1st August 2021. Expect isolated thunderstorms in French Guiana with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 71% chance of some rain and a light breeze of 8 kph from the south-west.

  • 31°C maximum temperature31
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 71% chance of some rain71
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 8 kph from the South-West8
    kph wind from SW

Back to top

  • Save EXTRA 10% on cheap car hire worldwide
  • With this exclusive Holiday Autos discount code
  • Travel before 31st December 2021 (inclusive)
Show discount codeShow discount code ******vel

Expires at 23:59 on Friday 31st Dec 2021 · View all Holiday Autos offers

Holiday AutosCar hire finder

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.