Last updated: August 27, 2025
In San Rafael, Peru, the average temperature in May is a warm 25°C (78°F), with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 35°C (95°F). During this month, expect approximately 225 mm (8.9 in) of precipitation spread across 21 days, along with an average humidity of 86%.
In May in San Rafael, the average temperature is 25°C (78°F). Maximums can reach 35°C (95°F), while minimums can dip as low as 19°C (66°F). This pleasant weather makes it an ideal time for travelers to explore and enjoy all that San Rafael has to offer.
In San Rafael in May, the total precipitation amount is 225 mm (8.9 in) recorded over the course of 21 days.
In San Rafael in May, humidity is 86%. With an average temperature of 25°C (78°F), this humidity feels like a warm, damp blanket wrapping around you, making outdoor activities challenging and potentially uncomfortable for traveling.
In San Rafael 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 Rafael.
UV Risk Categories
Weather in San Rafael varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in San Rafael, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 26°C (78°F) | 252 mm (9.9 inches) | 80% | extreme |
February Weather | 26°C (79°F) | 249 mm (9.8 inches) | 76% | extreme |
March Weather | 25°C (78°F) | 345 mm (13.6 inches) | 81% | extreme |
April Weather | 25°C (78°F) | 253 mm (10.0 inches) | 86% | extreme |
May Weather | 25°C (78°F) | 225 mm (8.9 inches) | 86% | extreme |
June Weather | 25°C (77°F) | 176 mm (6.9 inches) | 70% | extreme |
July Weather | 24°C (76°F) | 123 mm (4.8 inches) | 47% | extreme |
August Weather | 25°C (78°F) | 83 mm (3.3 inches) | 37% | extreme |
September Weather | 26°C (79°F) | 79 mm (3.1 inches) | 42% | extreme |
October Weather | 26°C (79°F) | 167 mm (6.6 inches) | 62% | extreme |
November Weather | 26°C (79°F) | 261 mm (10.3 inches) | 76% | extreme |
December Weather | 26°C (79°F) | 230 mm (9.0 inches) | 89% | extreme |