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May Weather in Herval, Brazil

Last updated: August 22, 2025

In May, the average temperature in Herval, Brazil hovers around 15°C (59°F). Expect some variability, with minima dipping to 2°C (36°F) and maxima reaching a warm 31°C (88°F). Throughout the month, precipitation totals around 94 mm (3.7 in) over approximately 10 days, while the average humidity remains high at 87%. Plan accordingly for a mix of mild weather and occasional rain!

May Temperature in Herval

In May in Herval, the average temperature is 15°C (59°F). Maximum temperatures can reach 31°C (88°F), while the minimum can drop to as low as 2°C (36°F). It's a great time to visit for those who enjoy mild weather with the possibility of warmer days, but be sure to pack layers for the cooler evenings.

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

The chart illustrates May temperature patterns in Herval, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Herval, May typically has an average temperature of 15°C (59°F), with highs reaching up to 31°C (88°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec747370665956545559636771
Data source: Temperature data for Herval 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 Herval

In Herval in May, the precipitation amount is 94 mm (3.7 in) over a duration of 10 days.

May Precipitation Trends in Herval

The chart displays monthly precipitation patterns in Herval, 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 Herval, May typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec13494767694981091181581378564
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Herval

In Herval in May, humidity is 87%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket, making traveling uncomfortable as the air feels thick and stifling, often leaving you feeling hot and sticky even when the temperature isn't too high.

May Average Humidity in Herval

This chart illustrates the average monthly humidity levels in Herval, 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 Herval is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%74%76%82%87%86%81%78%82%82%79%77%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Herval

In Herval in May, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Herval.

Maximum UV Index Levels in Herval for May

The chart shows the monthly maximum UV Index (UVI) for Herval 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 Herval typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141312854469111314
Data source: Herval 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 Herval Compares to Other Months

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

This table compares monthly weather conditions in Herval, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)133 mm (5.3 inches)71%extreme
February Weather23°C (73°F)94 mm (3.7 inches)74%extreme
March Weather21°C (70°F)76 mm (3.0 inches)76%extreme
April Weather19°C (66°F)76 mm (3.0 inches)81%very high
May Weather15°C (59°F)94 mm (3.7 inches)87%moderate
June Weather13°C (56°F)98 mm (3.9 inches)86%moderate
July Weather12°C (54°F)109 mm (4.3 inches)81%moderate
August Weather13°C (56°F)118 mm (4.7 inches)78%high
September Weather15°C (60°F)158 mm (6.2 inches)82%very high
October Weather17°C (63°F)137 mm (5.4 inches)82%extreme
November Weather20°C (67°F)85 mm (3.3 inches)79%extreme
December Weather22°C (71°F)64 mm (2.5 inches)77%extreme

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