Updated October 2026

World War II Memorial Weather by Month

World War II Memorial is warmest in July, when the nearest NOAA climate station averages a high of 90°F and a low of 72°F, and coldest in January, with an average high of 45°F and an average low of 30°F. July is the wettest month, with about 4.3 inches of precipitation. Snowfall is heaviest in February, at about 5 inches.

These figures are NOAA's 1991–2020 climate normals, the 30-year average for each calendar month, from the nearest long-record weather station, 2.9 miles from the park's reference point. A single station cannot describe a whole park: temperatures elsewhere in World War II Memorial can differ from these, particularly with elevation.

Reviewed by WhenToVisitParks Editorial Team · Updated Oct 11, 2026

Warmest month

Jul

90°F avg high

Coldest month

Jan

30°F avg low

Wettest month

Jul

4.3 in avg

Snowiest month

Feb

5.0 in avg

Longest days

Jun

14.7 h of daylight

Average weather at World War II Memorial by month

Month	Avg high	Avg low	Precipitation	Snowfall	Daylight
January	45°F	30°F	2.9 in	4.9 in	9.6 h
February	48°F	32°F	2.6 in	5.0 in	10.5 h
March	57°F	39°F	3.5 in	2.0 in	11.7 h
April	68°F	48°F	3.2 in	0.0 in	13.0 h
May	77°F	58°F	3.9 in	0.0 in	14.1 h
June	85°F	68°F	4.2 in	0.0 in	14.7 h
July	90°F	72°F	4.3 in	0.0 in	14.5 h
August	88°F	71°F	3.3 in	0.0 in	13.5 h
September	81°F	64°F	3.9 in	0.0 in	12.2 h
October	69°F	52°F	3.7 in	0.0 in	11.0 h
November	58°F	42°F	2.9 in	0.1 in	9.8 h
December	49°F	35°F	3.4 in	1.7 in	9.3 h
Year total			41.8 in	13.7 in

NOAA 1991–2020 climate normals from station USW00013743, 2.9 miles from the park's reference point. Daylight is the monthly average, computed from the park's latitude. Each month links to how crowded World War II Memorial is at that time of year.

World War II Memorial weather by season

Winter: December to February

Average highs bottom out at 45°F in January, between 49°F in December and 48°F in February, with average lows between 30°F and 35°F. The average low is at or below freezing in January and February. Together the three months average 8.9 inches of precipitation, about 21% of the yearly total and less than in any other season. Snowfall averages about 12 inches for the season. Daylight is at its shortest, about 9.3 hours in December.

Spring: March to May

Average highs climb from 57°F in March to 77°F in May, with average lows between 39°F and 58°F. Together the three months average 10.6 inches of precipitation, about 25% of the yearly total. Snowfall averages about 2 inches for the season, most of it in March. Daylight lengthens from about 11.7 hours in March to 14.1 in May.

Summer: June to August

Average highs peak at 90°F in July, between 85°F in June and 88°F in August, with average lows between 68°F and 72°F. The average high is 90°F or hotter in July. Together the three months average 11.8 inches of precipitation, about 28% of the yearly total and more than in any other season. Daylight is at its longest, about 14.7 hours in June.

Fall: September to November

Average highs fall from 81°F in September to 58°F in November, with average lows between 42°F and 64°F. Together the three months average 10.5 inches of precipitation, about 25% of the yearly total. Snowfall averages about 0.1 inches for the season. Daylight shortens from about 12.2 hours in September to 9.8 in November.

What the National Park Service says about the weather

Washington DC gets to see all four seasons. Humidity will make the temps feel hotter in summer and colder in winter. Spring (March - May) Temp: Average high is 65.5 degrees with a low of 46.5 degrees Summer (June - August) Temp: Average high is 86 degrees with a low of 68.5 degrees Fall (September - November) Temp: Average high is 68 degrees with a low of 51.5 degrees Winter (December - February) Temp: Average high is 45 degrees with a low of 30 degrees (Source: www.usclimatedata.com)

Weather description courtesy of the National Park Service — official park site.

Today's forecast for World War II Memorial

Averages describe a typical month, not this week. For current conditions and the seven-day outlook, the National Weather Service issues a forecast for the park's reference point at 38.89°N, 77.04°W. It covers that one spot, so other elevations in the park can differ from it, as they do from the averages above.

National Weather Service forecast for World War II Memorial →

Weather and crowds together

July, the warmest month, sees about 1.2× the visitors of the park's average month. May is the busiest month of the year and January the quietest. To see those crowds set against the weather for all twelve months, read the best time to visit World War II Memorial. For hotels, cabins and rentals close to the park, see where to stay near World War II Memorial.

Where to stay near World War II Memorial

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Frequently Asked Questions

July is the warmest month at World War II Memorial, with an average high of 90°F and an average low of 72°F. That is the 1991–2020 average at the nearest long-record NOAA station, 2.9 miles from the park's reference point. Temperatures inside the park can differ, particularly with elevation.

January is the coldest month at World War II Memorial, with an average low of 30°F and an average high of 45°F, based on NOAA 1991–2020 climate normals.

July is the wettest month, with about 4.3 inches of precipitation. February is the driest, at about 2.6 inches. The station records about 41.8 inches of precipitation in an average year.

Yes. The nearest long-record NOAA station, 2.9 miles from the park's reference point, averages about 14 inches of snow a year. February is the snowiest month, at about 5 inches. The station averages at least a tenth of an inch of snow in 5 of the 12 months.