May Weather in Catio, Guinea-Bissau

Last updated: August 23, 2025

In Catio, Guinea-Bissau, the average temperature in May is a warm 28°C (83°F). Expect comfortable nights with minimums around 21°C (71°F), while daytime highs can soar to 37°C (99°F). With an average humidity of 76%, the air can feel quite tropical, and don't forget your umbrella – there’s typically 8 mm (0.3 in) of precipitation over just 1 day during the month!

May Temperature in Catio

In May in Catio, the average temperature is 28°C (83°F). The maximum can reach 37°C (99°F), and the minimum can be as low as 21°C (71°F). This makes it an ideal time for travelers seeking warm weather and plenty of outdoor activities.

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

The chart illustrates May temperature patterns in Catio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Catio, May typically has an average temperature of 28°C (83°F), with highs reaching up to 37°C (99°F) and lows dropping to around 21°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec798082828382807980828280
Data source: Temperature data for Catio generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Catio

In Catio in May, the precipitation amount is 8 mm (0.3 in) over the course of 1 day.

May Precipitation Trends in Catio

The chart displays monthly precipitation patterns in Catio, 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 Catio, May typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec0000881590561404176440
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Catio

In Catio in May, humidity is 76%. With an average temperature of 28°C (83°F), this humidity feels like a warm, sticky embrace, making outdoor activities challenging and requiring travelers to stay hydrated and take frequent breaks in the shade.

May Average Humidity in Catio

This chart illustrates the average monthly humidity levels in Catio, 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 Catio is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec57%64%64%73%76%80%81%86%84%81%73%65%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Catio

In Catio 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 Catio.

Maximum UV Index Levels in Catio for May

The chart shows the monthly maximum UV Index (UVI) for Catio 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 Catio typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10101212121213141412109
Data source: Catio 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 Catio Compares to Other Months

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

This table compares monthly weather conditions in Catio, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)0 mm (0.0 inches)57%very high
February Weather27°C (81°F)0 mm (0.0 inches)64%very high
March Weather28°C (82°F)0 mm (0.0 inches)64%extreme
April Weather28°C (83°F)0 mm (0.0 inches)73%extreme
May Weather28°C (83°F)8 mm (0.3 inches)76%extreme
June Weather28°C (83°F)81 mm (3.2 inches)80%extreme
July Weather27°C (80°F)590 mm (23.2 inches)81%extreme
August Weather26°C (80°F)561 mm (22.1 inches)86%extreme
September Weather27°C (80°F)404 mm (15.9 inches)84%extreme
October Weather28°C (82°F)176 mm (6.9 inches)80%extreme
November Weather28°C (82°F)44 mm (1.7 inches)73%very high
December Weather27°C (80°F)0 mm (0.0 inches)65%very high

Compare Catio's Climate with Cities Worldwide