Last updated: June 24, 2025
In July, the average temperature in West Lake Sammamish, United States hovers around 18°C (65°F), making it a pleasant time to visit. Expect a minimum of 8°C (47°F) and a maximum of 32°C (91°F), providing a diverse climate experience. During this month, the region sees about 28 mm (1.1 in) of precipitation over 7 days, with an average humidity level of 79%. Whether you're exploring or relaxing, be prepared for a mix of comfortable warmth and occasional rain!
In July in West Lake Sammamish, the average temperature is 18°C (65°F). Maximums can reach 32°C (91°F) and minimums can be as low as 8°C (47°F). This pleasant weather makes West Lake Sammamish an ideal destination for outdoor activities and sightseeing.
In West Lake Sammamish in July, the precipitation amount is 28 mm (1.1 in) over a period of 7 days.
In West Lake Sammamish in July, humidity is 79%. With an average temperature of 18°C (65°F), this humidity feels like walking through a warm mist, making traveling slightly uncomfortable and sticky, but offering a refreshing escape when you find moments of shade or a breeze.
In West Lake Sammamish in July, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in West Lake Sammamish.
UV Risk Categories
Weather in West Lake Sammamish varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in West Lake Sammamish, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 5°C (40°F) | 199 mm (7.9 inches) | 86% | low |
February Weather | 4°C (39°F) | 234 mm (9.2 inches) | 86% | moderate |
March Weather | 7°C (44°F) | 152 mm (6.0 inches) | 87% | moderate |
April Weather | 9°C (49°F) | 144 mm (5.7 inches) | 84% | high |
May Weather | 13°C (55°F) | 85 mm (3.3 inches) | 81% | very high |
June Weather | 16°C (60°F) | 78 mm (3.1 inches) | 82% | very high |
July Weather | 18°C (65°F) | 28 mm (1.1 inches) | 79% | very high |
August Weather | 18°C (65°F) | 23 mm (0.9 inches) | 63% | very high |
September Weather | 15°C (60°F) | 115 mm (4.5 inches) | 62% | high |
October Weather | 10°C (50°F) | 204 mm (8.1 inches) | 83% | moderate |
November Weather | 7°C (45°F) | 217 mm (8.5 inches) | 89% | low |
December Weather | 4°C (40°F) | 235 mm (9.3 inches) | 88% | low |