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July Weather in Rosario, Mexico

Last updated: August 27, 2025

In July, the average temperature in Rosario, Mexico is a warm 28°C (83°F). You can expect minimums of 20°C (69°F) and maximums soaring up to 41°C (105°F). During this month, precipitation reaches 135 mm (5.3 in) over approximately 21 days, with an average humidity of 70%, creating a lush and vibrant atmosphere.

July Temperature in Rosario

In July in Rosario, the average temperature is 28°C (83°F). Maximums can reach 41°C (105°F), while minimums can drop to as low as 20°C (69°F). Travelers should be prepared for warm days and cooler evenings, making lightweight clothing a smart choice for comfort.

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

The chart illustrates July 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, July typically has an average temperature of 28°C (83°F), with highs reaching up to 41°C (105°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec616368758086828280787062
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.

July Precipitation in Rosario

In Rosario in July, the total precipitation amount is 135 mm (5.3 in) over the course of 21 days.

July Precipitation Trends in Rosario

The chart displays monthly precipitation patterns in Rosario, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Rosario, July typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec272318113313512492254233
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Rosario

In Rosario in July humidity is 70%. With an average temperature of 28°C (83°F), this humidity feels like an enveloping blanket, making outdoor activities sticky and draining, requiring frequent breaks to hydrate and seek shade.

July Average Humidity in Rosario

This chart illustrates the average monthly humidity levels in Rosario, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Rosario is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%67%60%51%47%50%70%82%82%78%78%81%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Rosario

In Rosario in July, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Rosario.

Maximum UV Index Levels in Rosario for July

The chart shows the monthly maximum UV Index (UVI) for Rosario in July, 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 July, the maximum UV index in Rosario typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810121212121211975
Data source: Rosario July 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 July 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 July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)27 mm (1.1 inches)74%high
February Weather17°C (63°F)23 mm (0.9 inches)67%very high
March Weather20°C (68°F)18 mm (0.7 inches)60%very high
April Weather24°C (75°F)1 mm (0.0 inches)51%extreme
May Weather27°C (80°F)1 mm (0.0 inches)47%extreme
June Weather30°C (86°F)33 mm (1.3 inches)50%extreme
July Weather28°C (83°F)135 mm (5.3 inches)70%extreme
August Weather28°C (82°F)124 mm (4.9 inches)81%extreme
September Weather27°C (81°F)92 mm (3.6 inches)82%extreme
October Weather25°C (78°F)25 mm (1.0 inches)78%very high
November Weather21°C (70°F)41 mm (1.6 inches)78%high
December Weather17°C (62°F)33 mm (1.3 inches)80%moderate

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