August Weather in Rosario, Mexico

Last updated: August 26, 2025

In August, the average temperature in Rosario, Mexico hovers around 24°C (75°F), offering a pleasant climate. Temperatures can range from a comforting 18°C (64°F) at night to a warm 32°C (90°F) during the day. Expect around 157 mm (6.2 in) of precipitation spread over 22 days, contributing to an average humidity of 87%. Whether you’re soaking in the warmth or dodging a shower, this month promises a vibrant atmosphere!

August Temperature in Rosario

In August in Rosario, the average temperature is 24°C (75°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as 18°C (64°F). This mild climate makes Rosario an ideal destination for travelers seeking comfortable weather.

August Weather in Rosario: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Rosario, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosario, August typically has an average temperature of 24°C (75°F), with highs reaching up to 32°C (90°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec677072767775757574737068
Data source: Temperature data for Rosario 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.

August Precipitation in Rosario

In Rosario in August, the total precipitation amount is 157 mm (6.2 in) over the span of 22 days.

August Precipitation Trends in Rosario

The chart displays monthly precipitation patterns in Rosario, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Rosario, August typically receives around 157 mm (6.2 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec38242734912301241572122037145
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Rosario

In Rosario in August, humidity is 87%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky embrace that clings to your skin, making outdoor activities feel heavier and more exhausting, and the air thickens, leaving you longing for shade and refreshing breezes as you navigate your adventures.

August Average Humidity in Rosario

This chart illustrates the average monthly humidity levels in Rosario, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Rosario is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%76%66%59%64%69%82%87%87%88%88%88%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Rosario

In Rosario in August, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Rosario.

Maximum UV Index Levels in Rosario for August

The chart shows the monthly maximum UV Index (UVI) for Rosario in August, 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 August, the maximum UV index in Rosario typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141414131312109
Data source: Rosario August 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 August Weather in Rosario Compares to Other Months

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

This table compares monthly weather conditions in Rosario, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (67°F)38 mm (1.5 inches)83%very high
February Weather21°C (70°F)24 mm (0.9 inches)76%extreme
March Weather22°C (72°F)27 mm (1.0 inches)66%extreme
April Weather24°C (76°F)34 mm (1.4 inches)59%extreme
May Weather25°C (78°F)91 mm (3.6 inches)64%extreme
June Weather24°C (76°F)229 mm (9.0 inches)69%extreme
July Weather24°C (75°F)124 mm (4.9 inches)82%extreme
August Weather24°C (75°F)157 mm (6.2 inches)87%extreme
September Weather24°C (75°F)212 mm (8.4 inches)87%extreme
October Weather23°C (73°F)203 mm (8.0 inches)88%extreme
November Weather21°C (70°F)71 mm (2.8 inches)88%very high
December Weather20°C (68°F)45 mm (1.8 inches)88%very high

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