Sammamish Weather in July

The climate in Sammamish during July can be summarized as mild and reasonably dry.

July is in the summer in Sammamish and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a comfortable 23°C (74°F), whilst at night 12°C (53°F) is normal.

On average July is the driest month of the year in Sammamish with around 30mm 1.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.8 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Sammamish in July 2024.