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Average weather for French Guiana in July

It's hot in July in French Guiana with an average temperature of 31°C. Temperatures this month range from a low of 30°C to a high of 32°C. At night, you can expect temperatures between 23°C and 24°C.

Daily Temperature in July in French Guiana

Start of July

The month of July starts in French Guiana with hot temps, averaging around 32°C during the day and nights around 24°C. There are plenty of days with a good chance of precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.

Mid July

By mid-July, daytime temps stay steady at around 32°C, with nights around 24°C. There’s a high chance of precipitation during this time. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.

End of July

By the end of July, the average daytime temperature in French Guiana is around 32°C, while nighttime temps are about 24°C. There’s a significant chance of many days with precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.

In July, there is an average of 290 mm of precipitation, spread over 22 days. The wind speed is around 3 Bft, mostly coming from the East.

French Guiana in July

New York
Temperature Average temperature
31°C 31°C
Sun Max. temperature
32°C 33°C
Sun Min. temperature
30°C -5°C
Rain Total precipitation
290 mm 160 mm
Rain Rainy days
22 days 18 days

UV index

The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Is July a good time to visit French Guiana?

Looking for sun? July isn’t a good month to be in French Guiana. The temperature is nice, but there’s too much chance of rain.

Temperature records

With 33°C in 2019, French Guiana reached the highest temperature in July over the past 10 years. The lowest daytime temperature in this month was 26°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 21°C to a highest value of 25°C.

Check out the climate of French Guiana for all months and discover the best travel time

The climate in French Guiana is based on weather data from Cayenne. Other spots might have different weather. You can check out all destinations in French Guiana to get the full picture of the climate.

Daily Temperature in July in French Guiana

This chart shows the average daily high and low temperatures in July for French Guiana, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Temperature in July in French Guiana

Daily Precipitation in July in French Guiana

The chart below shows the average daily precipitation in July for French Guiana, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for July, you can expect about 22 days of precipitation in French Guiana.

Daily Precipitation in July in French Guiana

Daily UV index in July in French Guiana

This chart shows the average daily UV index in July in French Guiana, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Daily UV Index in July in French Guiana

Temperature in July in French Guiana over the years

This chart shows the average temperature in July in French Guiana, measured in degrees Celsius, over the past few years.

Temperature in July in French Guiana Over the Years

Total precipitation in July in French Guiana over the years

This chart shows the average precipitation in July in French Guiana, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in July in French Guiana over the years

Daily weather in July for French Guiana

Click on any day in July to get detailed info about the usual weather on that day in French Guiana. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in July in French Guiana

The weather in July in French Guiana is rated 2 out of 5 stars by 1 visitor. Have you been to French Guiana? Share your weather experience to help other visitors.

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Weather experience:Bad StarStar

The sun shines relentlessly and it rains heavily. Not ideal for a vacation.— This text is automatically translated to English

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Average weather in French Guiana by month

Click on a month below to see detailed weather info for French Guiana. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.


Or check out the climate of French Guiana for all months at once

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