E 7 mph
Feels like: 30°F
Precip: 0%
World Resorts USA Washington Weather May Weather in Washington

Washington Weather: May

Average Day Temperature: 76.9°F
Average Night Temperature: 62.2°F
Sea Water Temperature: 64.3°F
Number of Sunny Days: 13 days
Sunshine Hours: 13.8 - 14.7 hours
Number of Rainy Days: 7 days
Precipitation Totals: 3.7 in

Air Temperature in May, °F

Select Year: 2019 2018 2017

The highest day temperature in May 2019 was 94°F. The lowest night temperature was 51°F. The average values for day and night temperatures during May were 81.5°F и 66.4°F respectivly.

Washington Water Sea Temperature in May, °F

Select Year: 2019 2018 2017

The average sea surface temperature in May 2019 for Washington was 69.2°F. The maximum and minimum values were 59.4°F and 81.0°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in May are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Washington is 3.7 in. It makes may one of the most rainy months of the year.

Wind Speed in May, mph

The average wind speed in May is 8.0 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Washington in May is 8.4 hours.

Best Time to Visit Washington
The most sunny months:
July 17 days
June 16 days
August 15 days
The most warm months:
July 93.1 °F
August 90.4 °F
June 86.1 °F
Warmest sea temperature:
July 82.9 °F
August 81.6 °F
June 77.2 °F
The most cold months:
January 38.3 °F
February 42.7 °F
December 45.6 °F
The most rainy months:
May 7 days
August 6 days
June 6 days
The most windy months:
April 10 mph
March 9 mph
February 9 mph

Washington on the Weather Map

USA Resorts:
Boston +34
Chicago +28
Hawaii +78
Honolulu +76
Houston +66
Jacksonville +60
Las Vegas +56
Los Angeles +56
Miami +74
New Orleans +52
New York +38
San Diego +58
San Francisco +52
San Jose +48
Washington +36
24 Hours Weather Forecast
Local time: 01:37
27 jan, monday
0300 36°F
7 mph
0600 34°F
6 mph
0900 36°F
7 mph
1200 42°F
9 mph
1500 46°F
11 mph
1800 44°F
10 mph
2100 38°F
9 mph
28 jan, tuesday
0000 34°F
10 mph