Temperature range
Typical highs and lows
High30.9°C
Low-2.4°C
The broad yearly range between warm daytime highs and the coolest overnight lows.
United States Washington, United States
Washington experiences a continental climate, where average temperatures vary from a low of 6°C / 43°F in January to a high of 31°C / 88°F in July.
Precipitation is distributed throughout the year, averaging 96 mm / 3.8 inches monthly, peaking in July (120 mm / 4.7 inches) and reaching its lowest in February (76 mm / 3 inches).
UV peaks in June (index 8) and drops to its lowest in December (index 3); strong sun protection is essential during summer months.
The longest days occur in June with around 14.8 hours of daylight, while December has the shortest days at about 9.5 hours.
Trip planning
Plan your trip
Find the best dates. Understand the conditions. Pack with confidence.
Climate overview
Climate at a glance
The big-picture stats that matter for planning your visit to Washington.
Rain pattern
Wettest point of the year
120 mm
July carries the highest typical rainfall load.
Sun exposure
Typical peak UV band
High (6.1)
A fast read on how strong midday sun typically gets across the year.
Daylight window
Seasonal daylight range
9 hrsto15 hrs
Useful for gauging how much sightseeing time you get in shorter versus longer seasons.
Wind profile
Typical breeze strength
10 km/h
March is typically the breeziest month.
Humidity
Typical moisture range
65 %to72 %
A quick signal for how dry, comfortable, or heavy the air tends to feel.
When should I go?
Our top-rated months for visiting Washington, based on long-term weather comfort and conditions
Typical weather by month
Compare all monthsTip: click on a card to see detailed daily weather averages for that month.
How Washington compares
See how it ranks against the rest of United States for key metrics.
HOTTEST (AVG)
in United States
#13 / 20
COOLEST (AVG)
in United States
#7 / 20
WETTEST (TOTAL)
in United States
#10 / 20
WINDIEST (AVG)
in United States
#11 / 20
HIGHEST UV
in United States
#15 / 20
MOST HUMID
in United States
#15 / 20
Short term outlook
Visiting soon? Here's the next 7 days of weather for Washington, or see an hourly breakdown for the next 14 days.
Travel planning FAQ
Frequently asked questions
Quick answers to the weather questions you ask the most.
How does the weather in Washington feel over the year?
On a typical year, you can expect highs around 19°C (66°F) and lows near 9°C (48°F). Conditions usually feel mild in the daytime and cool once the sun goes down. Expect a mix of sun and cloud across the year.
When is the best time to visit Washington for dry weather?
When is sun exposure strongest in Washington?
UV tends to peak in June, when UV levels frequently reach very high levels (around 8), so strong sun protection is essential, especially around midday.
Is Washington a windy place?
Across the year, average winds sit around 10 km/h (6 mph), with gusts on windier days up to about 61 km/h (38 mph). Overall it is it is a notably windy place, and strong gusts are fairly common.
How much daylight does Washington get?
On average, days offer about 12 hours of daylight. Daylight is fairly typical, with enough time for sightseeing.