Arlington, VA Weather by Month and Climate Averages

Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit

What is the weather like in Arlington, VA?

Arlington, VA gets 48.5 in of precipitation a year over about 121 rainy days, and about 5.8 in of snow a season. July is the warmest month (average high 90°F) and January the coldest (average low 25°F).

Humid subtropical climate

Arlington, VA has hot summers and chilly winters. Daytime highs range from about 45°F in January to 90°F in July. July is usually the wettest month, and snow falls in winter. The most comfortable time to visit is typically April to May and October, when daytime highs sit near 72°F.

SeasonMonthsAvg lowAvg high
WinterDec–Feb27°47°
SpringMar–May44°67°
SummerJun–Aug66°88°
AutumnSep–Nov48°69°

How much rain does Arlington get?

Arlington gets 48.5 in of precipitation in an average year, spread over about 121 days with measurable rain. That is more rainy days than 79% of the US.

July is the wettest month, with 5.1 in. February is the driest, with 3.2 in. May has the most rainy days, about 12.

The longest dry spell in the last five years lasted 17 days, to September 30, 2022.

From September 2025 to August 2026 Arlington got 34.9 in of rain, against a normal of 48.5 in for those months. August 2026 had the most, with 5.5 in.

Monthly rainfall, September 2025 to August 2026, in inches Sep 2025 3.7 Oct 1.9 Nov 0.9 Dec 1.8 Jan 2026 3.5 Feb 2.5 Mar 3.1 Apr 1.5 May 4.5 Jun 3.4 Jul 2.7 Aug 5.5
Monthly rainfall, September 2025 to August 2026, in inches. The dash on each month marks its 1991–2020 normal.

See where Arlington ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in Virginia.

Does it snow in Arlington?

Yes. Arlington gets about 5.8 in of snow in an average season, measured at the reporting station.

The snowiest winter on record is 2009–10, with 56.1 in.

The most recent measurable snow at the station fell on March 12, 2026.

From September 2025 to August 2026 the station measured 10.6 in of snow, against a normal of 5.8 in for those months. January 2026 had the most, with 7.0 in.

Monthly snowfall, September 2025 to August 2026, in inches Sep 2025 Oct Nov Dec 1.5 Jan 2026 7.0 Feb 1.1 Mar 1.0 Apr May Jun Jul Aug
Monthly snowfall at WASHINGTON REAGAN NATL AP, September 2025 to August 2026, in inches. The dash on each month marks its 1991–2020 normal.

See where Arlington ranks: snowiest cities in the US.

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Arlington weather by month

Arlington weather in January

In January, Arlington averages a high of 45°F and a low of 25°F. It gets 3.3 in of precipitation over about 10 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The January record high is 78°F (2024) and the record low is -11°F (1985).

Arlington weather in February

In February, Arlington averages a high of 48°F and a low of 27°F. It gets 3.2 in of precipitation over about 9 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The February record high is 82°F (2018) and the record low is -1°F (1979).

Arlington weather in March

In March, Arlington averages a high of 56°F and a low of 34°F. It gets 4.2 in of precipitation over about 11 rainy days. Estimated sunshine is 45% of daylight hours, derived from ERA5 cloud cover. The March record high is 91°F (1998) and the record low is 7°F (2014).

Arlington weather in April

In April, Arlington averages a high of 69°F and a low of 44°F. It gets 3.5 in of precipitation over about 11 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. The April record high is 95°F (2002) and the record low is 17°F (2000). April is one of the most comfortable months to visit.

Arlington weather in May

In May, Arlington averages a high of 77°F and a low of 53°F. It gets 4.4 in of precipitation over about 12 rainy days. Estimated sunshine is 37% of daylight hours, derived from ERA5 cloud cover. The May record high is 98°F (1996) and the record low is 23°F (1992). May is one of the most comfortable months to visit.

Arlington weather in June

In June, Arlington averages a high of 85°F and a low of 63°F. It gets 4.2 in of precipitation over about 10 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The June record high is 100°F (1994) and the record low is 30°F (1992).

Arlington weather in July

In July, Arlington averages a high of 90°F and a low of 68°F. It gets 5.1 in of precipitation over about 10 rainy days. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. The July record high is 103°F (1988) and the record low is 42°F (1996).

Arlington weather in August

In August, Arlington averages a high of 88°F and a low of 66°F. It gets 4.4 in of precipitation over about 9 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The August record high is 105°F (1997) and the record low is 41°F (1992).

Arlington weather in September

In September, Arlington averages a high of 81°F and a low of 59°F. It gets 4.5 in of precipitation over about 9 rainy days. Estimated sunshine is 46% of daylight hours, derived from ERA5 cloud cover. The September record high is 99°F (1980) and the record low is 33°F (1989).

Arlington weather in October

In October, Arlington averages a high of 69°F and a low of 47°F. It gets 4.4 in of precipitation over about 9 rainy days. Estimated sunshine is 52% of daylight hours, derived from ERA5 cloud cover. The October record high is 95°F (2007) and the record low is 16°F (1992). October is one of the most comfortable months to visit.

Arlington weather in November

In November, Arlington averages a high of 58°F and a low of 37°F. It gets 3.3 in of precipitation over about 9 rainy days. Estimated sunshine is 55% of daylight hours, derived from ERA5 cloud cover. The November record high is 87°F (1971) and the record low is 8°F (1992).

Arlington weather in December

In December, Arlington averages a high of 48°F and a low of 30°F. It gets 3.8 in of precipitation over about 11 rainy days. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. The December record high is 82°F (1998) and the record low is -2°F (1989).

Sunshine, humidity and wind in Arlington

November is the sunniest month in Arlington, with estimated sunshine of 55% of daylight hours from ERA5 cloud cover. May is the cloudiest, at 37%. The annual cloud-cover estimate is 44% of daylight hours; it is not a measurement of sunshine duration. Arlington is cloudier than 67% of the US.

Humidity peaks in August at 70% and is lowest in March at 54%.

Arlington has about 39 days a year above 90°F. Arlington is hotter than 60% of the US.

Thunderstorms occur on about 1 days a year.

See where Arlington ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.

First and last freeze in Arlington

The first fall freeze in Arlington typically comes around October 31, and the last spring freeze around April 10. That leaves a frost-free growing season of about 204 days.

Arlington weather records

These records cover DALECARLIA RSVR during 1970–2026. Earlier records or other stations in the city may differ.

The hottest temperature on record at the Arlington station is 105°F, on August 17, 1997. The coldest is -11°F, on January 21, 1985.

The wettest day in the available station history brought 5.9 in of precipitation, on June 22, 1972.

39 all-time records have been set at the station since 1970.

The best time to visit Arlington

The most comfortable time to visit is typically April to May and October, when daytime highs sit near 72°F.

Winter (December–February) is chilly, with average highs around 47°F and lows near 27°F. Snow is possible.

Spring (March–May) is mild, with average highs around 67°F and lows near 44°F.

Summer (June–August) is hot, with average highs around 88°F and lows near 66°F.

Autumn (September–November) is warm, with average highs around 69°F and lows near 48°F.

Monthly climate

MonthAverage lowAverage highPrecipRain daysHumidityEstimated sunshineRecord highRecord low
January25°45°3.3 in1064%40%78°-11°
February27°48°3.2 in960%40%82°-1°
March34°56°4.2 in1154%45%91°
April44°69°3.5 in1156%44%95°17°
May53°77°4.4 in1262%37%98°23°
June63°85°4.2 in1060%42%100°30°
July68°90°5.1 in1066%43%103°42°
August66°88°4.4 in970%42%105°41°
September59°81°4.5 in969%46%99°33°
October47°69°4.4 in969%52%95°16°
November37°58°3.3 in962%55%87°
December30°48°3.8 in1165%43%82°-2°

Station: DALECARLIA RSVR, 7 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods

From ERA5 reanalysis. Sunshine is estimated from cloud cover.

Arlington climate questions

How much rain does Arlington get?

Arlington gets 48.5 in of precipitation in an average year, over about 121 rainy days.

What is the wettest month in Arlington?

July is the wettest month in Arlington, with 5.1 in. February is the driest, with 3.2 in.

How many rainy days does Arlington have a year?

Arlington has about 121 days with measurable rain in an average year. May has the most, about 12.

Does it snow in Arlington?

Yes. Arlington gets about 5.8 in of snow in an average season. The snowiest winter on record is 2009–10, with 56.1 in.

What is the hottest month in Arlington?

July is the warmest month in Arlington, with an average high of 90°F.

What is the coldest month in Arlington?

January is the coldest month in Arlington, with an average low of 25°F.

What is the record high temperature in Arlington?

Within the available 1970–2026 station history, the record high at the Arlington station is 105°F, set on August 17, 1997. The record low is -11°F, on January 21, 1985.

What is the sunniest month in Arlington?

November is the sunniest month in Arlington, with estimated sunshine of 55% of daylight hours from ERA5 cloud cover. May is the cloudiest.

When is the first frost in Arlington?

The first fall freeze in Arlington typically comes around October 31. The last spring freeze is around April 10.

What is the best time to visit Arlington?

The most comfortable time to visit is typically April to May and October, when daytime highs sit near 72°F.