January Weather in Cacheu, Guinea-Bissau

Last updated: August 23, 2025

In Cacheu, Guinea-Bissau, the average temperature in January reaches a pleasant 26°C (79°F). However, be prepared for a range that can drop to a cool 17°C (62°F) and soar to a sizzling 39°C (102°F). Fortunately, you can enjoy the dry weather, as precipitation is a mere 0 mm (0.0 in) over 0 days. With an average humidity of just 34%, it's an ideal time to embrace the warmth!

January Temperature in Cacheu

In January in Cacheu, the average temperature is 26°C (79°F). Maximums can reach 39°C (102°F) and minimums can be as low as 17°C (62°F). It's an ideal time to explore outdoor activities while enjoying the warm weather!

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

The chart illustrates January 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, January typically has an average temperature of 26°C (79°F), with highs reaching up to 39°C (102°F) and lows dropping to around 17°C (62°F).

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

January Precipitation in Cacheu

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

January Precipitation Trends in Cacheu

The chart displays monthly precipitation patterns in Cacheu, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Cacheu, January typically receives around 0 mm (0.0 inches) of precipitation spread over approximately 0 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Cacheu

In Cacheu in January, humidity is 34%. With an average temperature of 26°C (79°F), this humidity feels like a pleasant tropical breeze, making it comfortable for traveling while allowing you to enjoy outdoor activities without feeling overly sticky or fatigued.

January Average Humidity in Cacheu

This chart illustrates the average monthly humidity levels in Cacheu, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Cacheu is approximately 34%, offering insight into how humid the weather typically is during this month.

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

January UV Index in Cacheu

In Cacheu in January, 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 January

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

Data source: Cacheu January 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 January 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 January’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 January’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