December Weather in Cacheu, Guinea-Bissau

Last updated: August 23, 2025

In Cacheu, Guinea-Bissau, the average temperature in December is a pleasant 26°C (80°F). Expect a minimum of 18°C (64°F) and a maximum that can soar to 38°C (100°F). With 0 mm (0.0 in) of precipitation over 0 days, this month promises to be dry, complemented by a comfortable average humidity of 49%. Enjoy the ideal weather!

December Temperature in Cacheu

In December, in Cacheu, the average temperature is 26°C (80°F). Maximum temperatures can reach 38°C (100°F), while minimums can drop as low as 18°C (64°F). This pleasant climate makes Cacheu an ideal destination for travelers seeking warm weather and outdoor activities.

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

The chart illustrates December temperature patterns in Cacheu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cacheu, December typically has an average temperature of 26°C (80°F), with highs reaching up to 38°C (100°F) and lows dropping to around 18°C (64°F).

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

December Precipitation in Cacheu

In Cacheu in December, the precipitation amount is 0 mm (0.0 in) during 0 days.

December Precipitation Trends in Cacheu

The chart displays monthly precipitation patterns in Cacheu, 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 Cacheu, December typically receives around 0 mm (0.0 inches) of precipitation spread over approximately 0 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 Cacheu

In Cacheu in December, humidity is 49%. With an average temperature of 26°C (80°F), this humidity feels like a warm, slightly sticky embrace, making it ideal for leisurely strolls while enjoying the local sights, though travelers might want to stay hydrated and take breaks in the shade.

December Average Humidity in Cacheu

This chart illustrates the average monthly humidity levels in Cacheu, 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 Cacheu is approximately 49%, 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 Cacheu

In Cacheu in December, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Cacheu.

Maximum UV Index Levels in Cacheu for December

The chart shows the monthly maximum UV Index (UVI) for Cacheu 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 Cacheu typically reaches 9, which falls under the very high exposure category.

Data source: Cacheu 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 Cacheu Compares to Other Months

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

This table compares monthly weather conditions in Cacheu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	0 mm (0.0 inches)	34%	very high
February Weather	27°C (80°F)	0 mm (0.0 inches)	39%	very high
March Weather	27°C (81°F)	0 mm (0.0 inches)	37%	extreme
April Weather	27°C (82°F)	0 mm (0.0 inches)	49%	extreme
May Weather	27°C (81°F)	1 mm (0.0 inches)	58%	extreme
June Weather	28°C (83°F)	47 mm (1.9 inches)	73%	extreme
July Weather	27°C (82°F)	348 mm (13.7 inches)	80%	extreme
August Weather	27°C (81°F)	451 mm (17.8 inches)	85%	extreme
September Weather	27°C (82°F)	318 mm (12.5 inches)	84%	extreme
October Weather	29°C (84°F)	123 mm (4.8 inches)	82%	extreme
November Weather	28°C (83°F)	17 mm (0.7 inches)	70%	very high
December Weather	26°C (80°F)	0 mm (0.0 inches)	49%	very high