Best time to visit Washington State

Q: When is the best time to visit Washington State?

The best time to visit Washington State (Seattle) is July based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

Q: Which is the hottest month in Washington State?

The hottest time of year in Seattle, Washington State is normally July. Expect maximum daytime temperatures to reach 24°C.

Q: Which month has the most rain in Washington State?

In terms of rainfall, December is usually the wettest month in Seattle, Washington State with 151mm on average. There are normally 18 days in December with some rain.

Q: When is it sunniest in Washington State?

The sunniest time of year in Seattle, Washington State is normally July with bright sunshine on average for 64% of daylight hours; that's 10 hours of sunshine per day.

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Washington State by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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Top Washington State destinations

Below are the temperatures expected today at popular countries, regions and places in Washington State. Select a destination to compare today's forecast with average weather conditions.

All Washington State destinations

When is the best time to visit Washington State?

The best time to visit Washington State (Seattle) is July based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

0
Jan
0.5
Feb
1
Mar
1.5
Apr
3
May
4
Jun
5
Jul
4.5
Aug
4
Sep
0.5
Oct
0
Nov
0
Dec

Change criteria

Max Day Temperature (°C)

7
Jan
10
Feb
12
Mar
14
Apr
18
May
21
Jun
24
Jul
24
Aug
21
Sep
16
Oct
11
Nov
8
Dec

Hours of Sunshine (daily)

2
Jan
4
Feb
5
Mar
7
Apr
8
May
9
Jun
10
Jul
9
Aug
7
Sep
5
Oct
2
Nov
2
Dec

Which is the hottest month in Washington State?

The hottest time of year in Seattle, Washington State is normally July. Expect maximum daytime temperatures to reach 24°C.

Which month has the most rain in Washington State?

In terms of rainfall, December is usually the wettest month in Seattle, Washington State with 151mm on average. There are normally 18 days in December with some rain.

When is it sunniest in Washington State?

The sunniest time of year in Seattle, Washington State is normally July with bright sunshine on average for 64% of daylight hours; that's 10 hours of sunshine per day.

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Washington State (Seattle) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

Washington State travel features

Do you want to learn more about Washington State? Read our latest features covering travel tips and insider destination guides on where to go and what to do in Washington State.

How to spend 48 hours in Seattle

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Washington - quick facts
Flight time^✝	10 hours
Time difference	UK -8 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Nature
Tourist info	State of Washington Tourism