May Weather in Mana, French Guiana

Last updated: August 23, 2025

In May, the average temperature in Mana, French Guiana hovers around 26°C (79°F), with daytime highs reaching up to 29°C (84°F) and nighttime lows dipping to 24°C (76°F). Visitors can expect a substantial precipitation amount of 417 mm (16.4 in) spread over 31 days, resulting in an average humidity level of 68%. Prepare for a warm, humid month filled with occasional rain!

May Temperature in Mana

In May in Mana, the average temperature is 26°C (79°F), with maximums reaching 29°C (84°F) and minimums dropping to around 24°C (76°F). This pleasant climate makes it an ideal time for outdoor activities and exploration.

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

The chart illustrates May temperature patterns in Mana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mana, May typically has an average temperature of 26°C (79°F), with highs reaching up to 29°C (84°F) and lows dropping to around 24°C (76°F).

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

May Precipitation in Mana

In Mana in May, the total precipitation amount is 417 mm (16.4 in) over the course of 31 days.

May Precipitation Trends in Mana

The chart displays monthly precipitation patterns in Mana, 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 Mana, May typically receives around 417 mm (16.4 inches) of precipitation spread over approximately 31 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Mana

In Mana 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 Mana

This chart illustrates the average monthly humidity levels in Mana, 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 Mana 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 Mana

In Mana 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 Mana, you can check here.

Maximum UV Index Levels in Mana for May

The chart shows the monthly maximum UV Index (UVI) for Mana 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 Mana typically reaches 14, which falls under the extreme exposure category.

Data source: Mana 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 Mana Compares to Other Months

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

This table compares monthly weather conditions in Mana, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	170 mm (6.7 inches)	70%	extreme
February Weather	26°C (79°F)	125 mm (4.9 inches)	66%	extreme
March Weather	26°C (79°F)	154 mm (6.1 inches)	66%	extreme
April Weather	26°C (80°F)	348 mm (13.7 inches)	66%	extreme
May Weather	26°C (79°F)	417 mm (16.4 inches)	68%	extreme
June Weather	26°C (79°F)	384 mm (15.1 inches)	86%	extreme
July Weather	26°C (80°F)	231 mm (9.1 inches)	76%	extreme
August Weather	27°C (81°F)	86 mm (3.4 inches)	65%	extreme
September Weather	27°C (81°F)	52 mm (2.0 inches)	62%	extreme
October Weather	27°C (82°F)	61 mm (2.4 inches)	63%	extreme
November Weather	27°C (81°F)	172 mm (6.8 inches)	74%	extreme
December Weather	26°C (79°F)	268 mm (10.6 inches)	79%	extreme