May Weather in Apatou, French Guiana

Last updated: August 23, 2025

In May, the average temperature in Apatou, French Guiana is a warm 26°C (79°F), with minimums dipping to 22°C (72°F) and maximums peaking at 33°C (91°F). Visitors should be prepared for significant rainfall, as the area experiences 432 mm (17.0 in) of precipitation over 29 days. The average humidity is a tropical 68%, creating a lush environment that's both inviting and invigorating.

May Temperature in Apatou

In May in Apatou, the average temperature is 26°C (79°F), with maximums reaching 33°C (91°F) and minimums dropping as low as 22°C (72°F). This climate makes it an ideal destination for travelers seeking pleasant weather.

May Weather in Apatou: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Apatou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Apatou, May typically has an average temperature of 26°C (79°F), with highs reaching up to 33°C (91°F) and lows dropping to around 22°C (72°F).

Data source: Temperature data for Apatou generated using information from the Copernicus Climate Change Service.

May Precipitation in Apatou

In Apatou in May, the total precipitation amount is 432 mm (17.0 in) spread over 29 days.

May Precipitation Trends in Apatou

The chart displays monthly precipitation patterns in Apatou, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Apatou, May typically receives around 432 mm (17.0 inches) of precipitation spread over approximately 29 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Apatou

In Apatou in May, humidity is 68%. With an average temperature of 26°C (79°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel a bit stifling unless you stay hydrated and take frequent breaks in the shade.

May Average Humidity in Apatou

This chart illustrates the average monthly humidity levels in Apatou, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Apatou is approximately 68%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Apatou

In Apatou in May, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Apatou, you can check here.

Maximum UV Index Levels in Apatou for May

The chart shows the monthly maximum UV Index (UVI) for Apatou in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Apatou typically reaches 14, which falls under the extreme exposure category.

Data source: Apatou May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How May Weather in Apatou Compares to Other Months

Weather in Apatou varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Apatou, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Apatou, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (78°F)	125 mm (4.9 inches)	70%	extreme
February Weather	26°C (78°F)	102 mm (4.0 inches)	66%	extreme
March Weather	26°C (79°F)	106 mm (4.2 inches)	66%	extreme
April Weather	26°C (79°F)	257 mm (10.1 inches)	66%	extreme
May Weather	26°C (79°F)	432 mm (17.0 inches)	68%	extreme
June Weather	26°C (79°F)	340 mm (13.4 inches)	86%	extreme
July Weather	26°C (79°F)	256 mm (10.1 inches)	76%	extreme
August Weather	27°C (80°F)	132 mm (5.2 inches)	65%	extreme
September Weather	27°C (82°F)	96 mm (3.8 inches)	62%	extreme
October Weather	28°C (82°F)	63 mm (2.5 inches)	63%	extreme
November Weather	27°C (80°F)	165 mm (6.5 inches)	74%	extreme
December Weather	26°C (78°F)	223 mm (8.8 inches)	79%	extreme