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May Weather in Rosario Oeste, Brazil

Last updated: August 22, 2025

In May, the average temperature in Rosario Oeste, Brazil is a comfortable 25°C (77°F), with temperatures ranging from a cool 8°C (46°F) to a warm 35°C (95°F). You can expect about 27 mm (1.0 in) of precipitation over approximately 5 days, and the average humidity hovers around 78%. Enjoy the climate while preparing for the occasional shower!

May Temperature in Rosario Oeste

In May in Rosario Oeste, the average temperature is 25°C (77°F). The maximum can reach 35°C (95°F) and the minimum can be as low as 8°C (46°F). This makes Rosario Oeste an ideal destination for travelers seeking a warm climate with the possibility of cooler evenings.

May Weather in Rosario Oeste: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Rosario Oeste, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosario Oeste, May typically has an average temperature of 25°C (77°F), with highs reaching up to 35°C (95°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec807980797775747984838180
Data source: Temperature data for Rosario Oeste 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 Rosario Oeste

In Rosario Oeste in May, the precipitation amount is 27 mm (1.0 in) over a span of 5 days.

May Precipitation Trends in Rosario Oeste

The chart displays monthly precipitation patterns in Rosario Oeste, 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 Rosario Oeste, May typically receives around 27 mm (1.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec15024919591272082691172194
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Rosario Oeste

In Rosario Oeste in May, humidity is 78%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, damp blanket, making travel feel a bit more exhausting and sticky as you navigate the sights.

May Average Humidity in Rosario Oeste

This chart illustrates the average monthly humidity levels in Rosario Oeste, 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 Rosario Oeste is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%89%87%78%63%50%39%30%29%63%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rosario Oeste

In Rosario Oeste in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Rosario Oeste.

Maximum UV Index Levels in Rosario Oeste for May

The chart shows the monthly maximum UV Index (UVI) for Rosario Oeste 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 Rosario Oeste typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1616151310991112141516
Data source: Rosario Oeste 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 Rosario Oeste Compares to Other Months

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

This table compares monthly weather conditions in Rosario Oeste, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)150 mm (5.9 inches)88%extreme
February Weather26°C (80°F)249 mm (9.8 inches)88%extreme
March Weather27°C (80°F)195 mm (7.7 inches)89%extreme
April Weather26°C (80°F)91 mm (3.6 inches)87%extreme
May Weather25°C (77°F)27 mm (1.0 inches)78%very high
June Weather24°C (76°F)2 mm (0.1 inches)63%very high
July Weather24°C (75°F)0 mm (0.0 inches)50%very high
August Weather26°C (79°F)8 mm (0.3 inches)39%extreme
September Weather29°C (84°F)25 mm (1.0 inches)30%extreme
October Weather28°C (83°F)91 mm (3.6 inches)29%extreme
November Weather27°C (81°F)172 mm (6.8 inches)62%extreme
December Weather27°C (80°F)194 mm (7.6 inches)84%extreme

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