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May Weather in Mindelo, Portugal

Last updated: August 27, 2025

In May, the average temperature in Mindelo, Portugal hovers around 17°C (63°F). Expect a cool minimum of 9°C (48°F) and a warm maximum reaching 28°C (82°F). During this month, 71 mm (2.8 in) of precipitation typically falls over about 8 days, coupled with an average humidity of 78%. Whether you’re planning outdoor adventures or cozy indoor activities, be prepared for a mix of weather!

May Temperature in Mindelo

In May in Mindelo, the average temperature is 17°C (63°F), with maximums reaching up to 28°C (82°F) and minimums dipping as low as 9°C (48°F). This pleasant climate makes it a great time to explore outdoor activities and enjoy the local scenery.

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

The chart illustrates May temperature patterns in Mindelo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mindelo, May typically has an average temperature of 17°C (63°F), with highs reaching up to 28°C (82°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec515455586264686867635754
Data source: Temperature data for Mindelo generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Mindelo

In Mindelo in May, the precipitation amount is 71 mm (2.8 in) over the course of 8 days.

May Precipitation Trends in Mindelo

The chart displays monthly precipitation patterns in Mindelo, 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 Mindelo, May typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec811141211307141181733111144161
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Mindelo

In Mindelo in May, humidity is 78%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket, making traveling slightly uncomfortable as you navigate the sticky air, prompting the need for frequent breaks in cooler, shaded areas.

May Average Humidity in Mindelo

This chart illustrates the average monthly humidity levels in Mindelo, 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 Mindelo is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%78%79%78%71%63%64%71%79%86%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mindelo

In Mindelo in May, 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 Mindelo.

Maximum UV Index Levels in Mindelo for May

The chart shows the monthly maximum UV Index (UVI) for Mindelo 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 Mindelo typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2468910998642
Data source: Mindelo 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 Mindelo Compares to Other Months

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

This table compares monthly weather conditions in Mindelo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)81 mm (3.2 inches)87%low
February Weather12°C (54°F)114 mm (4.5 inches)81%moderate
March Weather13°C (55°F)121 mm (4.7 inches)78%high
April Weather14°C (58°F)130 mm (5.1 inches)79%very high
May Weather17°C (63°F)71 mm (2.8 inches)78%very high
June Weather18°C (65°F)40 mm (1.6 inches)71%very high
July Weather20°C (68°F)18 mm (0.7 inches)63%very high
August Weather20°C (68°F)17 mm (0.7 inches)64%very high
September Weather19°C (67°F)33 mm (1.3 inches)71%very high
October Weather17°C (63°F)111 mm (4.4 inches)79%high
November Weather14°C (57°F)144 mm (5.7 inches)86%moderate
December Weather12°C (54°F)161 mm (6.3 inches)87%low

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