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April Weather in Rosario, Peru

Last updated: August 27, 2025

In April, the average temperature in Rosario, Peru hovers around 16°C (61°F), with a range that can dip to a brisk 9°C (49°F) and peak at a comfortable 24°C (76°F). Expect frequent rain, as 282 mm (11.1 in) of precipitation may fall over 25 days, leading to a high average humidity of 90%. Prepare for a wet and mild month!

April Temperature in Rosario

In April in Rosario, the average temperature is 16°C (61°F). Maximums can reach 24°C (76°F) and minimums can be as low as 9°C (49°F). This mild climate makes Rosario an ideal destination for travelers looking to enjoy pleasant weather and 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 16°C (61°F), with highs reaching up to 24°C (76°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec616161605959585859616261
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 282 mm (11.1 in) over the course of 25 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 282 mm (11.1 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec408401465282105402764189299325325
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 90%. With an average temperature of 16°C (61°F), this humidity feels like walking through a warm, damp blanket, making travel feel heavy and sticky, as the muggy air clings to you with every step.

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 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%92%90%85%70%55%44%52%65%81%89%
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 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to 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 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec171717161311121315171716
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 Weather16°C (61°F)408 mm (16.0 inches)93%extreme
February Weather16°C (61°F)401 mm (15.8 inches)92%extreme
March Weather16°C (61°F)465 mm (18.3 inches)92%extreme
April Weather16°C (61°F)282 mm (11.1 inches)90%extreme
May Weather15°C (60°F)105 mm (4.1 inches)85%extreme
June Weather15°C (59°F)40 mm (1.6 inches)70%extreme
July Weather14°C (58°F)27 mm (1.1 inches)54%extreme
August Weather15°C (58°F)64 mm (2.5 inches)44%extreme
September Weather15°C (60°F)189 mm (7.5 inches)52%extreme
October Weather16°C (61°F)299 mm (11.8 inches)65%extreme
November Weather16°C (62°F)325 mm (12.8 inches)81%extreme
December Weather16°C (62°F)325 mm (12.8 inches)89%extreme

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