Seattle weather

Our guide to the weather in Seattle during July

27

Average high

6

UV Index

10mm

Monthly rainfall

68%

Humidity

We've looked at the most up-to-date weather data for Seattle, covering the last 12 years up to 2026, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Seattle weather in July.

How warm is it in Seattle during July?

The temperature reaches around 27℃ during the daytime in July, falling away to 13℃ at night. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Seattle during July?

July is typically the driest month in Seattle. On average, in July you'll see rain on just one day in the month. In other words, you shouldn't see any of the wet stuff. You're not likely to see a thunderstorm during your trip.

Is it windy in Seattle during July?

No - there is very light air movement in July so conditions should be calm with light breezes at times.

Join the club...

Be the first to hear about discounted holidays, flash sales and amazing travel competitions to Seattle!

Seattle Blog posts

From the UK's most popular travel bloggers

...

Weekend in Seattle itinerary: Fun 3 days in Seattle!

26th January 2022 by PommieTravels

My initial impressions of Seattle were so-so. First of all, it was November and super rainy and chilly. When it rains in Seattle, it really rains, which is why the city often gets a bad rap. Coming from the airport Seattle also looks very industrial, with lots of shipping containers and factories. Aircraft manufacturer Boeing has a factory here and big name companies such as Amazon, Costco Wholesale, Microsoft and Starbucks are all headquartered in and around Seattle. Seattle is a rapidly...

...

10 cheap & affordable things to do in Seattle

5th February 2020 by Twins that Travel

There’s no escaping it: as beautiful, nature-filled and outdoorsy as Seattle might be, this is a city that comes with a price tag. A rather hefty one. With average budgets (for a three day trip) coming in at $500 per person, the high cost of the city’s ticketed attractions, its restaurants and its cool rooftop bars quickly add up. This is certainly something we experienced when we visited the city during our own road trip from Seattle to San Francisco. In fact, out of all the spots we...

...

The ultimate Pacific Northwest road trip itinerary: Driving Seattle to San Francisco

28th October 2019 by Twins that Travel

Traditionally, road trip itineraries for the Pacific North West are limited to the states of Washington and Oregon; with the option to drive north if you’re feeling particularly adventurous. However, what if you were to go further afield - turning your back on BC’s snow capped mountains in favour of North California’s warmer climes? What if you were to drive from Seattle to San Francisco - a Pacific Northwest road trip with a difference?...

Weather in Seattle

Our month-by-month guide to the weather and climate in Seattle

7.9

Seattle weather in

January
8.5

Seattle weather in

February
11.1

Seattle weather in

March
14.2

Seattle weather in

April
18.9

Seattle weather in

May
22.0

Seattle weather in

June
26.8

Seattle weather in

July
26.9

Seattle weather in

August
22.8

Seattle weather in

September
16.4

Seattle weather in

October
10.1

Seattle weather in

November
6.7

Seattle weather in

December