nomadseason

May Weather in San Jose, Peru

Last updated: August 27, 2025

In May, the average temperature in San Jose, Peru is a pleasant 22°C (72°F). During this time, temperatures can range from a minimum of 15°C (59°F) to a maximum of 33°C (91°F). Expect light rains with a total precipitation of 11 mm (0.4 in) over 3 days, accompanied by an average humidity level of 78%.

May Temperature in San Jose

In May in San Jose, the average temperature is 22°C (72°F), with maximums reaching up to 33°C (91°F) and minimums dipping as low as 15°C (59°F). This pleasant climate makes San Jose an ideal destination for travelers seeking a comfortable getaway.

May Weather in San Jose: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in San Jose, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jose, May typically has an average temperature of 22°C (72°F), with highs reaching up to 33°C (91°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec777979767269676666686973
Data source: Temperature data for San Jose generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in San Jose

In San Jose in May, the precipitation amount is 11 mm (0.4 in) over the course of 3 days.

May Precipitation Trends in San Jose

The chart displays monthly precipitation patterns in San Jose, 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 San Jose, May typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec174585211122219716
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in San Jose

In San Jose in May, humidity is 78%. With an average temperature of 22°C (72°F), this humidity feels like a warm blanket wrapped around you, making outdoor exploration a bit stifling but ultimately rewarding as you bask in the vibrant atmosphere.

May Average Humidity in San Jose

This chart illustrates the average monthly humidity levels in San Jose, 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 San Jose 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 San Jose

In San Jose 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 San Jose.

Maximum UV Index Levels in San Jose for May

The chart shows the monthly maximum UV Index (UVI) for San Jose 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 San Jose typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141515141311111215141413
Data source: San Jose 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 San Jose Compares to Other Months

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

This table compares monthly weather conditions in San Jose, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)17 mm (0.7 inches)83%extreme
February Weather26°C (80°F)45 mm (1.8 inches)81%extreme
March Weather26°C (80°F)85 mm (3.3 inches)88%extreme
April Weather24°C (76°F)21 mm (0.8 inches)85%extreme
May Weather22°C (72°F)11 mm (0.4 inches)78%extreme
June Weather21°C (69°F)2 mm (0.1 inches)62%extreme
July Weather19°C (67°F)2 mm (0.1 inches)44%extreme
August Weather19°C (66°F)2 mm (0.1 inches)38%extreme
September Weather19°C (67°F)1 mm (0.0 inches)42%extreme
October Weather20°C (68°F)9 mm (0.3 inches)58%extreme
November Weather21°C (70°F)7 mm (0.3 inches)69%extreme
December Weather23°C (73°F)16 mm (0.6 inches)82%extreme

Compare San Jose's Climate with Cities Worldwide