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May Weather in Registro, Brazil

Last updated: August 22, 2025

In May, the average temperature in Registro, Brazil hovers around 21°C (70°F). Expect a pleasant climate with temperatures ranging from a cool 8°C (46°F) to a warm 32°C (90°F). However, be prepared for some rain, as 91 mm (3.6 in) of precipitation is likely over 12 days. Additionally, the average humidity remains relatively high at 84%, making it a great time to enjoy the lush surroundings.

May Temperature in Registro

In May in Registro, the average temperature is 21°C (70°F). The maximum can reach 32°C (90°F), while the minimum can dip as low as 8°C (46°F). This mild climate makes Registro an ideal destination for travelers seeking pleasant weather.

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

The chart illustrates May temperature patterns in Registro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Registro, May typically has an average temperature of 21°C (70°F), with highs reaching up to 32°C (90°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec807878736967656670737477
Data source: Temperature data for Registro 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 Registro

In Registro in May, the precipitation amount is 91 mm (3.6 in) over a period of 12 days.

May Precipitation Trends in Registro

The chart displays monthly precipitation patterns in Registro, 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 Registro, May typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec208201191108917738695211888124
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Registro

In Registro in May, humidity is 84%. With an average temperature of 21°C (70°F), this humidity feels like thick, warm air wrapping around you, making outdoor activities quite uncomfortable and necessitating frequent hydration breaks for a more enjoyable travel experience.

May Average Humidity in Registro

This chart illustrates the average monthly humidity levels in Registro, 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 Registro is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%87%85%85%83%78%73%73%71%83%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Registro

In Registro in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Registro.

Maximum UV Index Levels in Registro for May

The chart shows the monthly maximum UV Index (UVI) for Registro 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 Registro typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151210766811131415
Data source: Registro 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 Registro Compares to Other Months

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

This table compares monthly weather conditions in Registro, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)208 mm (8.2 inches)89%extreme
February Weather26°C (79°F)201 mm (7.9 inches)86%extreme
March Weather25°C (78°F)191 mm (7.5 inches)87%extreme
April Weather23°C (74°F)108 mm (4.2 inches)85%very high
May Weather21°C (70°F)91 mm (3.6 inches)84%high
June Weather20°C (68°F)76 mm (3.0 inches)83%high
July Weather18°C (65°F)38 mm (1.5 inches)78%high
August Weather19°C (66°F)69 mm (2.7 inches)73%very high
September Weather21°C (71°F)52 mm (2.0 inches)73%extreme
October Weather23°C (73°F)118 mm (4.6 inches)71%extreme
November Weather23°C (74°F)88 mm (3.5 inches)83%extreme
December Weather25°C (78°F)124 mm (4.9 inches)87%extreme

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