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What’s the climate like in Washington?

The current climate of Washington features average monthly temperatures ranging from highs of 33°C during the day to lows of 7°C. The average yearly temperature is around 21°C. At night, temperatures in the colder months average around -1°C and in the warmer months around 22°C.

The highest temperature recorded in Washington in recent years was 42°C in August 2023. The lowest daytime temperature recorded was -10°C in December 2016.

On average, Washington gets 992 mm of precipitation each year. Of this, about 19 cm is snowfall. For comparison, UK gets 701 mm of precipitation each year.

The climate of Washington is based on weather data from . Other spots, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in Washington for a full picture of the climate.

Best time to visit Washington?

The best time to visit Washington for sunny weather is April through October. During this period, you'll have good temperatures and not too much rain, making it a great time to visit Washington. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.

Climate Table of Washington

The climate table of Washington shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temp. max (°C) 7 9 15 20 26 31 33 32 28 22 16 11
Temp. min (°C) -1 1 4 9 15 20 22 22 18 11 5 1
Precipitation
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Precipitation (mm) 65 97 55 87 117 84 88 116 59 92 69 63
Snow (cm) 7,3 7,3 2,7 0,1 0 0 0 0 0 0 0,1 0,6
UV Index 2 5 4 6 5 7 4 6 4 4 3 2

Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.

  • Average yearly temperature: 21°C
  • Highest temperature: 33°C in July
  • Lowest temperature: 7°C in January
  • Precipitation*: 992 mm per year, averaging 83 mm per month
  • Snowfall: 19 cm per year
  • Driest months: 55 mm in March, 59 mm in September and 63 mm in December
  • Wettest months: 117 mm in May, 116 mm in August and 97 mm in February

*Precipitation is measured as a combination of rain, snow, and hail

Average Temperature per Month in Washington

This graph shows the average maximum temperatures per month in Washington, United States. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.

Temperature per Month in Washington, United States,

Average Precipitation per Month in Washington

This graph shows how much precipitation Washington, United States, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.

Precipitation per Month in Washington, United States,

Average Snowfall per Month in Washington

This graph shows how much snow Washington, United States, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.

Snowfall per Month in Washington, United States,

Average UV Index per Month in Washington

This graph shows the average UV index per month in Washington, United States. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.

UV Index per Month in Washington, United States,

Yearly Temperature in Washington

This graph shows the average yearly temperature in Washington, United States. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.

Yearly Temperature in Washington, United States,

Total Yearly Precipitation in Washington

This chart shows the total yearly precipitation in Washington, United States, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.

Yearly Precipitation in Washington, United States,

Total Yearly Snowfall in Washington

This chart shows the total yearly snowfall in Washington, United States, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.

Yearly Snowfall in Washington, United States,

Weather experiences in Washington

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Average Weather in Washington by Month

Click on a month below to see detailed weather info for Washington. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.

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