Temperatures in January
It's warm in January in French Guiana with an average temperature of 29°C. Temperatures this month range from a low of 29°C to a high of 30°C. At night, you can expect temperatures between 23°C and 24°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for French Guiana in January. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of January
The month of January starts in French Guiana with hot temperatures, averaging around 30°C during the day and nights close to 24°C. Plenty of days with a chance of precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Mid-January
By mid-January, the average daytime temperature stays the same at 30°C, with nights close to 24°C. The chance of precipitation is high during this period. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
End of January
By the end of January, the average daytime temperature in French Guiana will be around 29°C, with nights close to 24°C. There’s a significant chance of many days with precipitation.
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Precipitation in January
In January, there is an average of 284 mm of precipitation, spread over 23 days. The wind speed is around 4 Bft, mostly coming from the Northeast.
There’s an average 74% chance of precipitation per day this month. Though that seems frequent, there are also a few days with lower precipitation chances.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in January for French Guiana. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
French Guiana in January |
UK | ||
|---|---|---|---|
 Average Temperature |
29°C | 8°C | |
 High Temp |
30°C | 9°C | |
| Low Temp |
29°C | 6°C | |
 Total Precipitation |
284 mm | 58 mm | |
| Rainy Days |
23 days | 9 days | |
December
UV index
The UV index is a maximum of 8 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 January a good time to visit French Guiana?
After some sun? Then January isn’t the best time to be in French Guiana. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for French Guiana in January
With 33°C, French Guiana hit the highest temperature in the last 10 years in January 2021. The lowest daytime temperature in this month was 22°C in 2023. The extreme night temperatures ranged from a low of 17°C to a high of 26°C.
Check out the climate of French Guiana for all months and discover the best travel time
The climate of French Guiana is based on weather data from Cayenne. Other locations might have different weather. You can check out all destinations in French Guiana for a full picture of the climate.
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Daily Temperature in January in French Guiana
This chart shows the average daily temperatures, both day and night, for each day in January in French Guiana, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in January in French Guiana
The chart below shows the average daily precipitation in January for French Guiana, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for January, you can expect around 23 days of rain in French Guiana.
Daily UV Index in January in French Guiana
This chart shows the average daily UV index in January 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.
Temperature in January in French Guiana Over the Years
This chart shows the average temperature in January in French Guiana, measured in degrees Celsius, over the past years.
Total Precipitation in January in French Guiana Over the Years
This chart shows the average precipitation in January in French Guiana, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in January for French Guiana
Click on a specific day in January for detailed info on the typical 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 January in French Guiana
Have you been to French Guiana in January?
Share your weather experience in January in French Guiana.
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
