Seattle Weather in July
Seattle in July averages 25°C (77°F) during the day and 14°C (57°F) at night. This is the driest month of the year, and part of the summer season.
Rainfall in Seattle in July
Dry conditions dominate this month. A great time for outdoor fun and exploration. On average, there are about 4 days with rain during this month, averaging 14 mm (0.6 in). When rain does fall, showers tend to be light and brief. Most days will be dry.
Temperature in Seattle in July
July in Seattle is generally perfect, with days reaching 25°C (77°F) and nights settling around 14°C (57°F). Experience the summer season in July. Overall, the month follows a fairly predictable daily temperature pattern. At 14°C (57°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping. On average, this month sees the highest temperatures of the year. Worth packing a few lighter outfits.
Sunshine in Seattle in July
Expect sunny days throughout the month, with an estimated 312 hours of sunshine. This makes it a pleasant time to visit Seattle.
Wind Speed in Seattle in July
In July, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Seattle.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Seattle's climate page.
Seattle Temperature in July
Min Temperature
14°C (57°F)
Max Temperature
25°C (77°F)
Chance of Rain
13%
Precipitation
14 mm (0.6 in)
Rainy days
4 days
Humidity
65%
Windspeed
4 m/s (8 knots)
Sunshine
312 hours
Percentage Sunshine
65%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Seattle typically rise from around 22°C (72°F) at the start of July to approximately 26°C (79°F) by the end. Nights are cool, with lows around 14°C (57°F).
Average temperatures in July
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather for Seattle in July
Browse day-by-day weather records for Seattle spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Seattle historical weather extremes in July
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Seattle.
- Seattle recorded its highest July temperature of 39°C (102°F) on July 29, 2009.
- Seattle experienced its chilliest July day on July 3, 2022, reaching only 14°C (57°F).
- Nighttime temperatures dropped to 7°C (45°F) on July 6, 1996, marking the coldest July night on record.
Best Places in the United States of America in July
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in July →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Seattle in July
Warm but pleasant conditions in Seattle in July. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Seattle in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Seattle's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Seattle climate overview or explore weather in the United States of America.
