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May Weather in Casa Blanca, Peru

Last updated: August 27, 2025

In May, the average temperature in Casa Blanca, Peru hovers around 18°C (65°F). You can expect a minimum of 15°C (59°F) and a maximum of 22°C (72°F), making it a comfortable time of year. The area experiences approximately 12 mm (0.5 in) of precipitation over 2 days, with an average humidity of 83%. Prepare for a pleasantly mild climate!

May Temperature in Casa Blanca

In May in Casa Blanca, the average temperature is 18°C (65°F). Maximums can reach 22°C (72°F) and minimums can be as low as 15°C (59°F). This pleasant weather makes it an ideal time for outdoor activities and exploring the local attractions.

May Weather in Casa Blanca: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Casa Blanca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Casa Blanca, May typically has an average temperature of 18°C (65°F), with highs reaching up to 22°C (72°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec707171686462616060616366
Data source: Temperature data for Casa Blanca 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 Casa Blanca

In Casa Blanca in May, the precipitation amount is 12 mm (0.5 in) over the course of 2 days.

May Precipitation Trends in Casa Blanca

The chart displays monthly precipitation patterns in Casa Blanca, 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 Casa Blanca, May typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec2423191012171614108810
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Casa Blanca

In Casa Blanca in May, humidity is 83%. With an average temperature of 18°C (65°F), this humidity feels like walking through a warm, damp blanket, making it quite uncomfortable for traveling.

May Average Humidity in Casa Blanca

This chart illustrates the average monthly humidity levels in Casa Blanca, 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 Casa Blanca 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 Casa Blanca

In Casa Blanca in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Casa Blanca.

Maximum UV Index Levels in Casa Blanca for May

The chart shows the monthly maximum UV Index (UVI) for Casa Blanca 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 Casa Blanca typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151615141110111214151615
Data source: Casa Blanca 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 Casa Blanca Compares to Other Months

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

This table compares monthly weather conditions in Casa Blanca, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (70°F)24 mm (0.9 inches)89%extreme
February Weather22°C (71°F)23 mm (0.9 inches)89%extreme
March Weather22°C (71°F)19 mm (0.7 inches)90%extreme
April Weather20°C (68°F)10 mm (0.4 inches)89%extreme
May Weather18°C (65°F)12 mm (0.5 inches)83%extreme
June Weather17°C (62°F)17 mm (0.7 inches)69%very high
July Weather16°C (61°F)16 mm (0.6 inches)56%extreme
August Weather15°C (60°F)14 mm (0.5 inches)50%extreme
September Weather15°C (60°F)10 mm (0.4 inches)53%extreme
October Weather16°C (61°F)8 mm (0.3 inches)68%extreme
November Weather17°C (63°F)8 mm (0.3 inches)81%extreme
December Weather19°C (66°F)10 mm (0.4 inches)87%extreme

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