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When is the Best Time to Explore Washington?

If you're curious when is the best time of year to visit Washington, you may find this information about seasonal weather useful when you are planning your trip. The warmest months in Washington are typically January and December, whereas the coldest months are usually July and June. The months with the most rain are November and January, whereas July and June have the least.

Here's a rundown on how much rain you can expect and what the temperatures are going to be like:

• From January to March, the average daytime temperature is 32°C and at night it is 16°C. Seasonal average rainfall is 238 mm.
• If you visit between April and June, you can expect an average temp of 24°C during the day and 7°C at night. Average rainfall during this season is 91 mm.
• The daytime average temp from July to September is 21°C and the night-time average is 6°C. Average precipitation for this season is 57 mm.
• Between October and December, the average temp during the day is 31°C and 12°C at night. Seasonal average rain is 240 mm.
• The average annual rainfall in Washington is 626 mm.