Normal weather for Seattle in July
It's warm in July in Seattle with an average temperature of 26°C. Temperatures this month range from a low of 23°C to a high of 30°C. At night, you can expect temperatures between 15°C and 17°C.
According to weather history, there is only 5,5 mm of precipitation in July. The wind speed is around 3 Bft, mostly coming from the West.
Seattle in July |
New York | ||
|---|---|---|---|
 Average Temperature |
26°C | 31°C | |
 High Temp |
30°C | 33°C | |
| Low Temp |
23°C | 29°C | |
 Total Precipitation |
5,5 mm | 160 mm | |
| Rainy Days |
2 days | 18 days | |
Start of July
The month of July starts in Seattle with warm temps, averaging around 25°C during the day and nights around 16°C. There’s little chance of precipitation. The weather’s mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers. A T-shirt, light pants or skirt, and a light jacket are great for the day. For the evening and morning, a shirt, maybe a light sweater, and thin pants are recommended.
Mid July
By mid-July, daytime temps rise to around 27°C, with nights around 16°C. No precipitation expected during this period, so you can enjoy plenty of sunshine.
Since it cools down at night, it’s a good idea to wear layers. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. For the evening and morning, a shirt, maybe a light sweater, and thin pants are recommended.
End of July
By the end of July, the average daytime temperature in Seattle is around 28°C, while nighttime temps are about 17°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
Because temperatures drop in the evening, wearing layers is recommended. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. For the evening and morning, a shirt, maybe a light sweater, and thin pants are recommended.
Find affordable trips to Seattle 
Water temperature
The water temperature at Seattle is 11°C this month. This is too cold to swim without protective gear.
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is July a good time to visit Seattle?
Looking for great weather? July is a good time to be in Seattle. The temperatures are nice, and there’s not too much rain.
Temperature records for Seattle in July
Check out the climate of Seattle for all months and discover the best travel time
June
Plan your next vacation
Don’t miss the best vacation deals for Seattle and see what our partners have for you.
Daily Temperature in July in Seattle
This chart shows the average daily high and low temperatures in July for Seattle, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in July in Seattle
The chart below shows the average daily precipitation in July for Seattle, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for July, you can expect about 2 days of precipitation in Seattle.
Daily UV Index in July in Seattle
This chart shows the average daily UV index in July in Seattle, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in July in Seattle Over the Years
This chart shows the average temperature in July in Seattle, measured in degrees Celsius, over the past few years.
Total Precipitation in July in Seattle Over the Years
This chart shows the average precipitation in July in Seattle, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate in July for Seattle
Click on any day in July to get detailed info about the usual weather on that day in Seattle. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in July in Seattle
Have you been to Seattle in July?
Share your weather experience in July in Seattle.
Average Weather in Seattle by Month
Click on a month below to see detailed weather info for Seattle. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
