Last updated: March 2, 2024
The weather in San Sebastian, Mexico, during May is characterized by an average temperature of 19°C (67°F). Highs can soar to 28°C (82°F), while lows may dip to 12°C (54°F). Typically, the humidity level in San Sebastian throughout May hovers around 82%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, San Sebastian averages 190 mm (7.5 inches) of rainfall, typically over the course of 24 rainy days. The month enjoys an average of 13 hours 4 minutes of daylight, with the sun shining for approximately 10 hours 17 minutes each day. Additionally, there is a 35% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In May, the UV Index in San Sebastian reaches a maximum of 15, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 1 | 3 | 6 | 10 | 13 | 15 | 14 | 12 | 8 | 5 | 2 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 30 min | 45 min | |||||