July Weather in West Lake Sammamish

Last updated: March 2, 2024

The weather in West Lake Sammamish, United States, during July is characterized by an average temperature of 18°C (65°F). Highs can soar to 31°C (87°F), while lows may dip to 9°C (49°F). Typically, the humidity level in West Lake Sammamish throughout July hovers around 79%.

9°C (49°F)

Minimum temperature

18°C (65°F)

Average temperature

31°C (87°F)

Maximum temperature

79%

Humidity

Precipitation and Sunshine hours

In July, West Lake Sammamish averages 28 mm (1.1 inches) of rainfall, typically over the course of 7 rainy days. The month enjoys an average of 15 hours 28 minutes of daylight, with the sun shining for approximately 11 hours 31 minutes each day. Additionally, there is a 62% probability of sunny days during this period.

28 mm (1.1 inches)

Precipitation

7 rainy days

Rainy days

11 hours 31 minutes

Sunshine hours

62%

Chance of sun

UV Index

In July, the UV Index in West Lake Sammamish reaches a maximum of 9, 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 2 3 5 7 8 9 8 7 5 4 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 West Lake Sammamish's Climate with Cities Worldwide