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May Weather in Sao Carlos, Brazil

Last updated: August 22, 2025

In May, the average temperature in Sao Carlos, Brazil hovers around 20°C (68°F), offering a pleasant climate for outdoor activities. Expect temperature variations, with a minimum of 3°C (38°F) and a maximum reaching 31°C (88°F). While you enjoy this lovely weather, keep in mind that precipitation typically amounts to 36 mm (1.4 in) over about 4 days, accompanied by an average humidity of 76%.

May Temperature in Sao Carlos

In May in Sao Carlos, the average temperature is 20°C (68°F). Maximums can reach 31°C (88°F), while minimums can drop as low as 3°C (38°F). This makes Sao Carlos an ideal destination for travelers seeking comfortable weather with the possibility of enjoying both warm daytime outings and cooler evenings.

May Weather in Sao Carlos: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Sao Carlos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Carlos, May typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (88°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec757575726867666875757475
Data source: Temperature data for Sao Carlos 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 Sao Carlos

In Sao Carlos in May, the precipitation amount is 36 mm (1.4 in) over the course of 4 days.

May Precipitation Trends in Sao Carlos

The chart displays monthly precipitation patterns in Sao Carlos, 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 Sao Carlos, May typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec1801569950361493133107134169
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sao Carlos

In Sao Carlos in May, humidity is 76%. With an average temperature of 20°C (68°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration both exhilarating and slightly stifling, ideal for leisurely strolls but necessitating frequent breaks to hydrate and cool off.

May Average Humidity in Sao Carlos

This chart illustrates the average monthly humidity levels in Sao Carlos, 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 Sao Carlos is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%86%82%76%71%68%59%54%50%74%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sao Carlos

In Sao Carlos 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 Sao Carlos.

Maximum UV Index Levels in Sao Carlos for May

The chart shows the monthly maximum UV Index (UVI) for Sao Carlos 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 Sao Carlos typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151613118781012131416
Data source: Sao Carlos 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 Sao Carlos Compares to Other Months

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

This table compares monthly weather conditions in Sao Carlos, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)180 mm (7.1 inches)88%extreme
February Weather24°C (76°F)156 mm (6.1 inches)87%extreme
March Weather24°C (76°F)99 mm (3.9 inches)86%extreme
April Weather22°C (73°F)50 mm (2.0 inches)82%extreme
May Weather20°C (68°F)36 mm (1.4 inches)76%very high
June Weather20°C (68°F)14 mm (0.5 inches)71%high
July Weather19°C (66°F)9 mm (0.3 inches)67%very high
August Weather20°C (68°F)31 mm (1.2 inches)59%very high
September Weather24°C (75°F)33 mm (1.3 inches)54%extreme
October Weather24°C (75°F)107 mm (4.2 inches)50%extreme
November Weather23°C (74°F)134 mm (5.3 inches)74%extreme
December Weather24°C (75°F)169 mm (6.6 inches)83%extreme

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