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April Weather in Rosario, Uruguay

Last updated: August 28, 2025

In April, the average temperature in Rosario, Uruguay hovers around 18°C (65°F), with a minimum of 6°C (43°F) and a peak reaching up to 33°C (92°F). Expect 70 mm (2.8 in) of precipitation spread over approximately 6 days, contributing to an average humidity of 79%.

April Temperature in Rosario

In April in Rosario, the average temperature is 18°C (65°F). Maximum temperatures can reach up to 33°C (92°F), while the minimum can drop as low as 6°C (43°F). This range makes Rosario a great destination for travelers seeking comfortable weather and a variety of outdoor activities.

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

The chart illustrates April 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, April typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (92°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec767370655754525458626873
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.

April Precipitation in Rosario

In Rosario in April, the precipitation amount is 70 mm (2.8 in) over the course of 6 days.

April Precipitation Trends in Rosario

The chart displays monthly precipitation patterns in Rosario, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Rosario, April typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec8511095719075867576916772
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Rosario

In Rosario in April, humidity is 79%. With an average temperature of 18°C (65°F), this humidity feels like walking through a warm mist, making traveling slightly uncomfortable and sticky, but offering a refreshing escape when you find moments of shade or a breeze.

April Average Humidity in Rosario

This chart illustrates the average monthly humidity levels in Rosario, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Rosario is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%69%73%79%83%80%72%72%76%71%68%65%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Rosario

In Rosario in April, 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 Rosario.

Maximum UV Index Levels in Rosario for April

The chart shows the monthly maximum UV Index (UVI) for Rosario in April, 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 April, the maximum UV index in Rosario typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311754468101314
Data source: Rosario April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)85 mm (3.4 inches)63%extreme
February Weather23°C (73°F)110 mm (4.3 inches)69%extreme
March Weather21°C (70°F)95 mm (3.7 inches)73%extreme
April Weather18°C (65°F)70 mm (2.8 inches)79%high
May Weather14°C (58°F)89 mm (3.5 inches)82%moderate
June Weather12°C (54°F)75 mm (3.0 inches)80%moderate
July Weather11°C (52°F)86 mm (3.4 inches)72%moderate
August Weather12°C (54°F)75 mm (3.0 inches)72%high
September Weather14°C (58°F)76 mm (3.0 inches)76%very high
October Weather17°C (62°F)91 mm (3.6 inches)71%very high
November Weather20°C (69°F)67 mm (2.6 inches)68%extreme
December Weather23°C (73°F)72 mm (2.8 inches)65%extreme

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