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May Weather in Porto Franco, Brazil

Last updated: August 22, 2025

In Porto Franco, Brazil, the average temperature in May hovers around 27°C (82°F), making it a warm and inviting destination. Expect the thermometer to dip as low as 20°C (69°F) and soar up to 35°C (96°F). With 50 mm (2.0 in) of precipitation spread over 9 days, a sprinkle here and there is likely. The air tends to be quite humid, with an average humidity level of 84%, so be prepared for that tropical feel!

May Temperature in Porto Franco

In May, in Porto Franco, the average temperature is 27°C (82°F). The maximum can reach 35°C (96°F), while the minimum can drop to as low as 20°C (69°F). This makes Porto Franco an ideal destination for travelers looking for warm weather and pleasant outdoor activities.

May Weather in Porto Franco: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Porto Franco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Porto Franco, May typically has an average temperature of 27°C (82°F), with highs reaching up to 35°C (96°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec797980808181818385848181
Data source: Temperature data for Porto Franco 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 Porto Franco

In Porto Franco in May, the precipitation amount is 50 mm (2.0 in) over the course of 9 days.

May Precipitation Trends in Porto Franco

The chart displays monthly precipitation patterns in Porto Franco, 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 Porto Franco, May typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec17025222716750462833133137
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Porto Franco

In Porto Franco in May humidity is 84%. With an average temperature of 27°C (82°F), this humidity feels like walking through a warm, damp blanket, making travel feel heavier and more exhausting.

May Average Humidity in Porto Franco

This chart illustrates the average monthly humidity levels in Porto Franco, 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 Porto Franco is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%91%92%84%70%43%36%30%29%41%68%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Porto Franco

In Porto Franco 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 Porto Franco.

Maximum UV Index Levels in Porto Franco for May

The chart shows the monthly maximum UV Index (UVI) for Porto Franco 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 Porto Franco typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151515151211111213131414
Data source: Porto Franco 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 Porto Franco Compares to Other Months

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

This table compares monthly weather conditions in Porto Franco, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)170 mm (6.7 inches)89%extreme
February Weather26°C (80°F)252 mm (9.9 inches)89%extreme
March Weather26°C (80°F)227 mm (8.9 inches)91%extreme
April Weather27°C (81°F)167 mm (6.6 inches)92%extreme
May Weather27°C (82°F)50 mm (2.0 inches)84%extreme
June Weather27°C (82°F)4 mm (0.1 inches)70%extreme
July Weather27°C (82°F)6 mm (0.2 inches)43%extreme
August Weather28°C (83°F)2 mm (0.1 inches)36%extreme
September Weather29°C (85°F)8 mm (0.3 inches)30%extreme
October Weather29°C (84°F)33 mm (1.3 inches)29%extreme
November Weather27°C (82°F)133 mm (5.2 inches)41%extreme
December Weather27°C (81°F)137 mm (5.4 inches)68%extreme

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