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May Weather in Santa Rosa, Peru

Last updated: August 27, 2025

In May, the average temperature in Santa Rosa, Peru hovers around 18°C (65°F), making it a pleasant time to visit. Expect a minimum of 12°C (53°F) and a comfortable maximum of 26°C (79°F). Rainfall is frequent, with an average precipitation of 146 mm (5.7 in) spread over 25 days, while humidity remains high at 85%. Be prepared for a mix of weather, perfect for those who appreciate a lush, vibrant atmosphere!

May Temperature in Santa Rosa

In May in Santa Rosa, the average temperature is 18°C (65°F). Maximum temperatures can reach 26°C (79°F), while minimum temperatures can drop to as low as 12°C (53°F). This pleasant climate makes Santa Rosa an ideal destination for travelers looking to enjoy moderate and comfortable weather.

May Weather in Santa Rosa: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Santa Rosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Rosa, May typically has an average temperature of 18°C (65°F), with highs reaching up to 26°C (79°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec666666666565646466666767
Data source: Temperature data for Santa Rosa 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 Santa Rosa

In Santa Rosa in May, the precipitation amount is 146 mm (5.7 in) spread over 25 days.

May Precipitation Trends in Santa Rosa

The chart displays monthly precipitation patterns in Santa Rosa, 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 Santa Rosa, May typically receives around 146 mm (5.7 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec4534713692761461148888128214333412
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Santa Rosa

In Santa Rosa in May humidity is 85%. With an average temperature of 18°C (65°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities challenging but creating a lush, vibrant atmosphere that invites exploration.

May Average Humidity in Santa Rosa

This chart illustrates the average monthly humidity levels in Santa Rosa, 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 Santa Rosa is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%91%89%85%65%47%38%40%56%76%90%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Santa Rosa

In Santa Rosa in May, 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 Santa Rosa.

Maximum UV Index Levels in Santa Rosa for May

The chart shows the monthly maximum UV Index (UVI) for Santa Rosa 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 Santa Rosa typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec171717161311111314161716
Data source: Santa Rosa 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 Santa Rosa Compares to Other Months

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

This table compares monthly weather conditions in Santa Rosa, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (66°F)453 mm (17.8 inches)91%extreme
February Weather19°C (66°F)471 mm (18.5 inches)90%extreme
March Weather19°C (66°F)369 mm (14.5 inches)91%extreme
April Weather19°C (66°F)276 mm (10.9 inches)89%extreme
May Weather18°C (65°F)146 mm (5.7 inches)85%extreme
June Weather18°C (65°F)114 mm (4.5 inches)65%extreme
July Weather18°C (64°F)88 mm (3.5 inches)47%extreme
August Weather18°C (64°F)88 mm (3.5 inches)38%extreme
September Weather19°C (66°F)127 mm (5.0 inches)40%extreme
October Weather19°C (67°F)213 mm (8.4 inches)56%extreme
November Weather19°C (67°F)333 mm (13.1 inches)76%extreme
December Weather19°C (67°F)412 mm (16.2 inches)90%extreme

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