Last updated: August 27, 2025
In San Rafael, Mexico, the average temperature in May is a mild 19°C (67°F), with highs reaching up to 29°C (84°F) and lows dipping to 12°C (54°F). Expect about 180 mm (7.1 in) of precipitation spread over 24 days, contributing to an average humidity of 73%. Get ready for a blend of warm days and refreshing showers!
In May in San Rafael, the average temperature is 19°C (67°F). Maximum temperatures can reach 29°C (84°F), while minimums can dip as low as 12°C (54°F). Overall, it's a pleasant time to visit, making it ideal for outdoor activities and exploration.
In San Rafael in May, the precipitation amount is 180 mm (7.1 in) over the course of 24 days.
In San Rafael in May humidity is 73%. With an average temperature of 19°C (67°F), this humidity feels like a warm blanket wrapped around you, making travel slightly uncomfortable and sticky, but still manageable as long as you stay hydrated and take breaks in the shade.
In San Rafael 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 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 | 16°C (61°F) | 25 mm (1.0 inches) | 65% | very high |
| February Weather | 17°C (63°F) | 8 mm (0.3 inches) | 61% | extreme |
| March Weather | 18°C (65°F) | 26 mm (1.0 inches) | 59% | extreme |
| April Weather | 19°C (66°F) | 53 mm (2.1 inches) | 62% | extreme |
| May Weather | 19°C (67°F) | 180 mm (7.1 inches) | 73% | extreme |
| June Weather | 18°C (65°F) | 365 mm (14.4 inches) | 78% | extreme |
| July Weather | 18°C (65°F) | 352 mm (13.9 inches) | 79% | extreme |
| August Weather | 18°C (65°F) | 419 mm (16.5 inches) | 82% | extreme |
| September Weather | 18°C (65°F) | 454 mm (17.9 inches) | 82% | extreme |
| October Weather | 18°C (65°F) | 268 mm (10.6 inches) | 79% | extreme |
| November Weather | 18°C (64°F) | 58 mm (2.3 inches) | 72% | very high |
| December Weather | 17°C (62°F) | 34 mm (1.3 inches) | 70% | very high |