December Weather in Bolama, Guinea-Bissau

Last updated: August 23, 2025

In December, the average temperature in Bolama, Guinea-Bissau reaches a warm 27°C (82°F), with minimums dipping to 20°C (69°F) and maximums soaring to 34°C (93°F). You'll enjoy a dry spell with 0 mm (0.0 in) of precipitation across 0 days, while the average humidity sits comfortably at 65%. Perfect weather for outdoor adventures!

December Temperature in Bolama

In December in Bolama, the average temperature is 27°C (82°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 20°C (69°F). This pleasant climate makes it an ideal destination for travelers seeking warm weather and opportunities for outdoor activities.

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

The chart illustrates December temperature patterns in Bolama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bolama, December typically has an average temperature of 27°C (82°F), with highs reaching up to 34°C (93°F) and lows dropping to around 20°C (69°F).

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

December Precipitation in Bolama

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

December Precipitation Trends in Bolama

The chart displays monthly precipitation patterns in Bolama, 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 Bolama, 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 Bolama

In Bolama in December humidity is 65%. With an average temperature of 27°C (82°F), this humidity feels like wearing a warm, heavy blanket that clings to your skin, making outdoor activities somewhat uncomfortable but also offering a unique opportunity to experience the local culture in a slower, more leisurely pace.

December Average Humidity in Bolama

This chart illustrates the average monthly humidity levels in Bolama, 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 Bolama is approximately 65%, 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 Bolama

In Bolama 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 Bolama.

Maximum UV Index Levels in Bolama for December

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

Data source: Bolama 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 Bolama Compares to Other Months

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

This table compares monthly weather conditions in Bolama, 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 (80°F)	0 mm (0.0 inches)	57%	very high
February Weather	27°C (80°F)	0 mm (0.0 inches)	64%	very high
March Weather	27°C (81°F)	0 mm (0.0 inches)	64%	extreme
April Weather	27°C (81°F)	0 mm (0.0 inches)	73%	extreme
May Weather	27°C (81°F)	2 mm (0.1 inches)	76%	extreme
June Weather	28°C (82°F)	60 mm (2.4 inches)	80%	extreme
July Weather	27°C (80°F)	555 mm (21.8 inches)	81%	extreme
August Weather	26°C (80°F)	598 mm (23.5 inches)	86%	extreme
September Weather	27°C (81°F)	388 mm (15.3 inches)	84%	extreme
October Weather	28°C (83°F)	130 mm (5.1 inches)	80%	extreme
November Weather	29°C (84°F)	27 mm (1.1 inches)	73%	very high
December Weather	27°C (82°F)	0 mm (0.0 inches)	65%	very high