Sully Square, VA weather

Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month

Weather in Sully Square now

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Sully Square weather by the hour

Sully Square weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of Sully Square.

This week in Sully Square

Sunrise, sunset and moon in Sully Square

What is the weather usually like in Sully Square?

Cfa
Humid subtropical climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

20°38°56°74°92°42°25°Jan46°27°Feb55°33°Mar67°43°Apr75°53°May83°62°Jun87°67°Jul86°65°Aug79°58°Sep68°45°Oct56°35°Nov46°29°Dec

Average precipitation (inches)

2.9"Jan2.6"Feb3.5"Mar3.5"Apr4.7"May4.3"Jun4.1"Jul3.5"Aug3.9"Sep3.6"Oct3.1"Nov3.3"Dec

Best time to visit Sully Square: May–June and September–October, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station WASHINGTON DC DULLES AP, VA US (USW00093738), adjusted for the elevation of Sully Square.

Sully Square weather month by month

January
42° 25°F
2.9 in of rain · 6 wet days❄ 6.9 in of snow
February
46° 27°F
2.6 in of rain · 6 wet days❄ 7.0 in of snow
March
55° 33°F
3.5 in of rain · 7 wet days❄ 3.9 in of snow
April
67° 43°F
3.5 in of rain · 6 wet days❄ 0.1 in of snow
May
75° 53°F
4.7 in of rain · 8 wet days
June
83° 62°F
4.3 in of rain · 7 wet days
July
87° 67°F
4.1 in of rain · 7 wet days
August
86° 65°F
3.5 in of rain · 6 wet days
September
79° 58°F
3.9 in of rain · 6 wet days
October
68° 45°F
3.6 in of rain · 5 wet days
November
56° 35°F
3.1 in of rain · 5 wet days❄ 0.3 in of snow
December
46° 29°F
3.3 in of rain · 6 wet days❄ 2.8 in of snow

Sunrise and sunset in Sully Square through the year

MonthSunriseSunsetDaylight
January7:25 AM5:13 PM9 h 48 min
February6:59 AM5:48 PM10 h 49 min
March7:19 AM7:17 PM11 h 58 min
April6:31 AM7:48 PM13 h 16 min
May5:55 AM8:16 PM14 h 21 min
June5:42 AM8:38 PM14 h 56 min
July5:55 AM8:36 PM14 h 40 min
August6:22 AM8:06 PM13 h 43 min
September6:50 AM7:19 PM12 h 29 min
October7:18 AM6:32 PM11 h 14 min
November6:51 AM4:57 PM10 h 6 min
December7:19 AM4:50 PM9 h 30 min

Times for the 15th of each month, local time (America/New York).

What is the weather like in Sully Square?

Sully Square has a humid subtropical climate. The warmest month is July, with an average high of 87°F (31°C), and the coldest is January, with average lows of 25°F (-4°C).

It gets about 43.2 inches (1,098 mm) of precipitation a year. The wettest month is May and the driest is February. Snow is common: about 21 inches fall in an average year.

The best time to visit Sully Square is May–June and September–October. At 341 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.

More about Sully Square

Weather in towns near Sully Square

Questions about the weather in Sully Square

What is the hottest month in Sully Square?

July, with an average high of 87°F (31°C).

What is the coldest month in Sully Square?

January, with an average low of 25°F (-4°C).

How much does it rain in Sully Square?

About 43.2 inches (1,098 mm) a year; the wettest month is May.

Does it snow in Sully Square?

Yes, about 21 inches of snow fall in an average year.

When is the best time to visit Sully Square?

May–June and September–October, when temperatures are most pleasant and rainy days are fewer.

What climate does Sully Square have?

Humid subtropical (Köppen Cfa).

What is the weather like in Sully Square in November?

Highs average 56°F and lows 35°F, with about 3.1 inches of precipitation.

What time is sunrise in Sully Square?

Around 6:51 AM in mid-November, and sunset around 4:57 PM. Today’s exact times are shown above.

Where does this Sully Square weather forecast come from?

From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Sully Square.

All about Sully Square ›

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