August Weather in San Sebastian

Last updated: March 2, 2024

The weather in San Sebastian, Mexico, during August is characterized by an average temperature of 18°C (65°F). Highs can soar to 25°C (78°F), while lows may dip to 13°C (55°F). Typically, the humidity level in San Sebastian throughout August hovers around 82%.

13°C (55°F)

Minimum temperature

18°C (65°F)

Average temperature

25°C (78°F)

Maximum temperature

82%

Humidity

Precipitation and Sunshine hours

In August, San Sebastian averages 291 mm (11.4 inches) of rainfall, typically over the course of 30 rainy days. The month enjoys an average of 12 hours 45 minutes of daylight, with the sun shining for approximately 10 hours 0 minutes each day. Additionally, there is a 34% probability of sunny days during this period.

291 mm (11.4 inches)

Precipitation

30 rainy days

Rainy days

10 hours 0 minutes

Sunshine hours

34%

Chance of sun

UV Index

In August, the UV Index in San Sebastian reaches a maximum of 14, 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.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  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 0 1 2 5 9 12 14 14 12 8 5 2 1
Exposure Low Moderate VeryHigh Extreme VeryHigh Moderate Low
Time to burn 45 min 30 min 15 min 10 min 15 min 30 min 45 min

Compare San Sebastian's Climate with Cities Worldwide