Last updated: August 27, 2025
In May, the average temperature in San Antonio, Peru reaches a warm 26°C (79°F), with a minimum of 20°C (68°F) and a maximum of 33°C (92°F). Be prepared for some rain, as 242 mm (9.5 in) of precipitation is expected throughout 27 days, accompanied by a high average humidity of 91%.
In May in San Antonio, the average temperature is 26°C (79°F), with maximums reaching up to 33°C (92°F) and minimums dropping as low as 20°C (68°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.
In San Antonio in May, the total precipitation amount is 242 mm (9.5 in) spread over 27 days.
In San Antonio in May, humidity is 91%. With an average temperature of 26°C (79°F), this humidity feels like navigating through an invisible blanket, making even short strolls feel laborious and leaving a sticky sheen on your skin, which can be overwhelming for travelers.
In San Antonio 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 Antonio.
UV Risk Categories
Weather in San Antonio varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in San Antonio, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 26°C (79°F) | 275 mm (10.8 inches) | 83% | extreme |
February Weather | 26°C (79°F) | 278 mm (11.0 inches) | 78% | extreme |
March Weather | 26°C (79°F) | 322 mm (12.7 inches) | 82% | extreme |
April Weather | 26°C (79°F) | 322 mm (12.7 inches) | 85% | extreme |
May Weather | 26°C (79°F) | 242 mm (9.5 inches) | 91% | extreme |
June Weather | 26°C (78°F) | 184 mm (7.2 inches) | 85% | extreme |
July Weather | 25°C (78°F) | 149 mm (5.9 inches) | 74% | extreme |
August Weather | 26°C (79°F) | 120 mm (4.7 inches) | 59% | extreme |
September Weather | 26°C (80°F) | 170 mm (6.7 inches) | 55% | extreme |
October Weather | 26°C (80°F) | 202 mm (8.0 inches) | 57% | extreme |
November Weather | 26°C (80°F) | 239 mm (9.4 inches) | 74% | extreme |
December Weather | 26°C (79°F) | 320 mm (12.6 inches) | 87% | extreme |