August Weather in Vashon

Last updated: March 2, 2024

The weather in Vashon, United States, during August is characterized by an average temperature of 20°C (68°F). Highs can soar to 31°C (88°F), while lows may dip to 13°C (55°F). Typically, the humidity level in Vashon throughout August hovers around 73%.

13°C (55°F)

Minimum temperature

20°C (68°F)

Average temperature

31°C (88°F)

Maximum temperature

73%

Humidity

Precipitation and Sunshine hours

In August, Vashon averages 17 mm (0.7 inches) of rainfall, typically over the course of 5 rainy days. The month enjoys an average of 14 hours 9 minutes of daylight, with the sun shining for approximately 10 hours 38 minutes each day. Additionally, there is a 49% probability of sunny days during this period.

17 mm (0.7 inches)

Precipitation

5 rainy days

Rainy days

10 hours 38 minutes

Sunshine hours

49%

Chance of sun

UV Index

In August, the UV Index in Vashon reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 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 1 1 3 4 6 7 8 8 7 5 3 2 1
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

Compare Vashon's Climate with Cities Worldwide