Average temperatures, rainfall and packing tips for Washington, United States in August
🌡️ Avg high
29°C
🌙 Avg low
19°C
🌧️ Rainfall
~194 mm
📊 Warmth rank
#3 of 12
August in Washington at a glance
August in Washington is typically hot, with average daytime highs around 29°C and nights near 19°C. It is one of the warmer months of Washington's year.
August is typically the wettest month of the year in Washington, with around 194 mm of rain - plan around showers.
What to pack for Washington in August
Light, breathable clothing (cotton or linen)
Sun protection: hat, sunglasses and SPF
A refillable water bottle
A rain jacket or umbrella - this is one of the wetter months
Washington - year at a glance
HighLow · August highlighted
Is August a good time to visit Washington?
🧳 August is one of the most comfortable months to visit Washington - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.
In August, Washington averages a daytime high of about 29°C and a night-time low of around 19°C, based on recent historical data.
Does it rain in Washington in August?
August is typically the wettest month of the year in Washington, with around 194 mm of rain - plan around showers.
Is August a good time to visit Washington?
August is one of the most comfortable months to visit Washington - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.