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May Weather in Guapimirim, Brazil

Last updated: August 22, 2025

In Guapimirim, Brazil, the average temperature in May is a pleasant 20°C (68°F). You can expect minimum temperatures dipping to 9°C (49°F), while the mercury can rise to a maximum of 30°C (87°F). During this month, precipitation averages around 71 mm (2.8 in), typically spread over 9 days. With an average humidity level of 81%, it's a time when the air feels quite moist and refreshing.

May Temperature in Guapimirim

In May in Guapimirim, the average temperature is 20°C (68°F). Maximums can reach 30°C (87°F) and minimums can be as low as 9°C (49°F). It's a pleasant time to visit, offering a comfortable climate for outdoor activities and exploration.

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

The chart illustrates May temperature patterns in Guapimirim, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guapimirim, May typically has an average temperature of 20°C (68°F), with highs reaching up to 30°C (87°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec777575716867646570727174
Data source: Temperature data for Guapimirim 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 Guapimirim

In Guapimirim in May, the precipitation amount is 71 mm (2.8 in) spread over 9 days.

May Precipitation Trends in Guapimirim

The chart displays monthly precipitation patterns in Guapimirim, 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 Guapimirim, May typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec2253112261067150377377156261309
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Guapimirim

In Guapimirim in May humidity is 81%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace that can make outdoor activities feel steamy and exhausting, potentially leading travelers to seek shade or a refreshing drink more often.

May Average Humidity in Guapimirim

This chart illustrates the average monthly humidity levels in Guapimirim, 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 Guapimirim is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%83%81%80%76%73%68%61%72%75%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Guapimirim

In Guapimirim in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Guapimirim.

Maximum UV Index Levels in Guapimirim for May

The chart shows the monthly maximum UV Index (UVI) for Guapimirim 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 Guapimirim typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151311867912131415
Data source: Guapimirim 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 Guapimirim Compares to Other Months

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

This table compares monthly weather conditions in Guapimirim, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)225 mm (8.9 inches)85%extreme
February Weather24°C (75°F)311 mm (12.2 inches)85%extreme
March Weather24°C (75°F)226 mm (8.9 inches)86%extreme
April Weather22°C (71°F)106 mm (4.2 inches)83%extreme
May Weather20°C (68°F)71 mm (2.8 inches)81%very high
June Weather19°C (67°F)50 mm (2.0 inches)80%high
July Weather18°C (65°F)37 mm (1.4 inches)76%high
August Weather18°C (65°F)73 mm (2.9 inches)73%very high
September Weather21°C (70°F)77 mm (3.0 inches)68%extreme
October Weather22°C (72°F)156 mm (6.1 inches)61%extreme
November Weather22°C (71°F)261 mm (10.3 inches)72%extreme
December Weather23°C (74°F)309 mm (12.2 inches)75%extreme

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