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May Weather in Tomas, Peru

Last updated: August 27, 2025

In May, the average temperature in Tomas, Peru hovers around 2°C (37°F), with a minimum dipping to -7°C (19°F) and a maximum reaching 10°C (51°F). This month also brings 92 mm (3.6 in) of precipitation over approximately 21 days, resulting in an average humidity level of 83%. Enjoy the crisp air, but don’t forget your umbrella!

May Temperature in Tomas

In May in Tomas, the average temperature is 2°C (37°F). Maximum temperatures can reach 10°C (51°F), while minimums can drop to as low as -7°C (19°F). Be sure to pack warm clothing if you're planning to travel during this chilly month.

May Weather in Tomas: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Tomas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tomas, May typically has an average temperature of 2°C (37°F), with highs reaching up to 10°C (51°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec383838373636353536373939
Data source: Temperature data for Tomas 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 Tomas

In Tomas in May, the precipitation amount is 92 mm (3.6 in) spread over 21 days.

May Precipitation Trends in Tomas

The chart displays monthly precipitation patterns in Tomas, 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 Tomas, May typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec19922225312692393552105148156190
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Tomas

In Tomas in May, humidity is 83%. With an average temperature of 2°C (37°F), this humidity feels like an icy embrace, making travel uncomfortable and brisk, as the cold air clings to your skin and chills you to the bone.

May Average Humidity in Tomas

This chart illustrates the average monthly humidity levels in Tomas, 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 Tomas is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%90%89%83%69%56%51%53%68%82%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Tomas

In Tomas 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 Tomas.

Maximum UV Index Levels in Tomas for May

The chart shows the monthly maximum UV Index (UVI) for Tomas 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 Tomas typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec232121181513141517202021
Data source: Tomas 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 Tomas Compares to Other Months

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

This table compares monthly weather conditions in Tomas, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)199 mm (7.8 inches)89%extreme
February Weather3°C (39°F)222 mm (8.7 inches)89%extreme
March Weather3°C (38°F)253 mm (10.0 inches)90%extreme
April Weather3°C (38°F)126 mm (5.0 inches)89%extreme
May Weather2°C (37°F)92 mm (3.6 inches)83%extreme
June Weather2°C (36°F)39 mm (1.5 inches)69%extreme
July Weather2°C (35°F)35 mm (1.4 inches)56%extreme
August Weather2°C (36°F)52 mm (2.0 inches)50%extreme
September Weather2°C (37°F)105 mm (4.1 inches)53%extreme
October Weather3°C (38°F)148 mm (5.8 inches)68%extreme
November Weather4°C (39°F)156 mm (6.1 inches)81%extreme
December Weather4°C (39°F)189 mm (7.5 inches)87%extreme

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