May Weather in Cacheu, Guinea-Bissau

Last updated: August 23, 2025

In May, the average temperature in Cacheu, Guinea-Bissau reaches a warm 27°C (81°F). Temperatures can range from a comfortable 20°C (68°F) to a sweltering 40°C (104°F). Fortunately, you won't need to worry about rain, as the precipitation amount is merely 1 mm (0.0 in) over 0 days. With an average humidity of 58%, it’s a great time to enjoy the beautiful weather!

May Temperature in Cacheu

In May in Cacheu, the average temperature is 27°C (81°F), with maximums reaching 40°C (104°F) and minimums dropping to as low as 20°C (68°F). This warm climate makes it an ideal destination for sun-seekers and outdoor adventures.

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

The chart illustrates May 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, May typically has an average temperature of 27°C (81°F), with highs reaching up to 40°C (104°F) and lows dropping to around 20°C (68°F).

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

May Precipitation in Cacheu

In Cacheu in May, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

May Precipitation Trends in Cacheu

The chart displays monthly precipitation patterns in Cacheu, 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 Cacheu, May typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Cacheu

In Cacheu in May humidity is 58%. With an average temperature of 27°C (81°F), this humidity feels like a warm embrace, making traveling a bit sticky but still quite comfortable for outdoor explorations.

May Average Humidity in Cacheu

This chart illustrates the average monthly humidity levels in Cacheu, 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 Cacheu is approximately 58%, 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 Cacheu

In Cacheu in May, 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 Cacheu.

Maximum UV Index Levels in Cacheu for May

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

Data source: Cacheu 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 Cacheu Compares to Other Months

Weather in Cacheu varies notably across the year, with each month offering distinct climate conditions. This page compares May’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 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)	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