December Weather in Apatou, French Guiana

Last updated: August 23, 2025

In December, the average temperature in Apatou, French Guiana reaches a comfortable 26°C (78°F). Expect a pleasant range, with minimum temperatures dropping to 20°C (69°F) and maximums rising to 34°C (94°F). This month typically sees 223 mm (8.8 in) of precipitation spread over 28 days, contributing to a lush ambiance and an average humidity of 79%.

December Temperature in Apatou

In December in Apatou, the average temperature is 26°C (78°F), with maximums reaching 34°C (94°F) and minimums dropping to 20°C (69°F). This pleasant climate makes Apatou an ideal destination for travelers seeking a warm and enjoyable getaway.

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

The chart illustrates December 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, December typically has an average temperature of 26°C (78°F), with highs reaching up to 34°C (94°F) and lows dropping to around 20°C (69°F).

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

December Precipitation in Apatou

In Apatou, in December, the precipitation amount is 223 mm (8.8 in) spread over 28 days.

December Precipitation Trends in Apatou

The chart displays monthly precipitation patterns in Apatou, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Apatou, December typically receives around 223 mm (8.8 inches) of precipitation spread over approximately 28 days.

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

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Millimeters (mm) Inches (in)

December Humidity in Apatou

In Apatou in December, humidity is 79%. With an average temperature of 26°C (78°F), this humidity feels like a tropical blanket enveloping you, making outdoor activities less comfortable for traveling.

December Average Humidity in Apatou

This chart illustrates the average monthly humidity levels in Apatou, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Apatou is approximately 79%, offering insight into how humid the weather typically is during this month.

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

December UV Index in Apatou

In Apatou in December, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Apatou.

Maximum UV Index Levels in Apatou for December

The chart shows the monthly maximum UV Index (UVI) for Apatou in December, 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 December, the maximum UV index in Apatou typically reaches 12, which falls under the extreme exposure category.

Data source: Apatou December 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 December 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 December’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 December’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