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May Weather in Santa Rosa, Peru

Last updated: August 27, 2025

In May, the average temperature in Santa Rosa, Peru is 17°C (63°F). Expect minimums around 10°C (51°F) and maximums reaching 27°C (80°F). While you enjoy the mild weather, be prepared for 40 mm (1.6 in) of precipitation over approximately 12 days, with an average humidity of 78%.

May Temperature in Santa Rosa

In May in Santa Rosa, the average temperature is 17°C (63°F). Maximums can reach 27°C (80°F), while minimums can drop to as low as 10°C (51°F). This mild climate makes Santa Rosa an ideal destination for outdoor exploration and sightseeing during this time of year.

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 17°C (63°F), with highs reaching up to 27°C (80°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec636363636362616163646564
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 40 mm (1.6 in) over the course of 12 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 40 mm (1.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec751091521014026312621467961
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 78%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket, making traveling slightly uncomfortable as you navigate the sticky air, prompting the need for frequent breaks in cooler, shaded areas.

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 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%88%85%78%62%44%38%42%58%69%82%
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 an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. 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 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161718171512131317161615
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 Weather17°C (63°F)75 mm (3.0 inches)83%extreme
February Weather17°C (64°F)109 mm (4.3 inches)81%extreme
March Weather17°C (63°F)152 mm (6.0 inches)88%extreme
April Weather17°C (63°F)101 mm (4.0 inches)85%extreme
May Weather17°C (63°F)40 mm (1.6 inches)78%extreme
June Weather17°C (62°F)26 mm (1.0 inches)62%extreme
July Weather16°C (61°F)31 mm (1.2 inches)44%extreme
August Weather16°C (62°F)26 mm (1.0 inches)38%extreme
September Weather17°C (63°F)21 mm (0.8 inches)42%extreme
October Weather18°C (65°F)46 mm (1.8 inches)58%extreme
November Weather18°C (65°F)79 mm (3.1 inches)69%extreme
December Weather18°C (64°F)61 mm (2.4 inches)82%extreme

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