Alexandria weather by month

Average highs run from 45°F in January to 90°F in July, and January nights average 30°F. It gets 42 inches of rain and melted snow a year and 14 inches of snow. Expect about 40 days a year at 90°F or hotter. Nights drop below freezing about 60 times a year. The most comfortable months are April to June and September to October.

AlexandriaVirginiaPop. 160,662
Average monthly high and low temperatures and precipitation in Alexandria20°30°40°50°60°70°80°90°100°4530Jan2.94832Feb2.65739Mar3.56848Apr3.27758May3.98568Jun4.29072Jul4.38871Aug3.38164Sep3.96952Oct3.75842Nov2.94935Dec3.4in.
Average daily high and low (°F) and precipitation (inches) each month, 1991-2020. The dashed line marks freezing (32°F). Shaded months are comfortable by our rule. Station: Washington Reagan Airport, VA, 4.2 mi from the city center. Source: NOAA NCEI.

Best time to visit Alexandria

For comfortable weather, go in April to June and September to October. In those months the average high stays between 62°F and 86°F, nights average 42°F or warmer, and rain stays under 4.5 inches for the month.

JanFebMarAprMayJunJulAugSepOctNovDec

Month by month

MonthHighLowPrecip.SnowWet daysDays 90°F+Nights below 32°FFeels
January45°F30°F2.9 in4.9 in6020cold
February48°F32°F2.6 in5.0 in5015cool
March57°F39°F3.5 in2.0 in708cool
April68°F48°F3.2 in0.0 in601mild
May77°F58°F3.9 in0.0 in720warm
June85°F68°F4.2 in0.0 in780warm
July90°F72°F4.3 in0.0 in7150hot
August88°F71°F3.3 in0.0 in6110hot
September81°F64°F3.9 in0.0 in640warm
October69°F52°F3.7 in0.0 in500mild
November58°F42°F2.9 in0.1 in504cool
December49°F35°F3.4 in1.7 in6013cool
Year68°F avg51°F avg41.8 in13.7 in724060

"Wet days" are days with at least 0.1 inch of precipitation. "Feels" is a plain-language label for the average high. Normals for 1991-2020 from NOAA NCEI, station Washington Reagan Airport, VA (USW00013743), 4.2 miles from the city center. Averages describe typical conditions, not a forecast.

Sunrise, sunset and daylight in Alexandria

The shortest day is December 21, with 9h 26m of daylight; the longest is June 21, with 14h 53m. The earliest sunset comes around November 30 (4:46 pm) and the latest around June 24 (8:37 pm). The sun sets after 8 pm on 108 days a year.

6h9h12h15h18hJanuary 15: 9h 45m of daylightJanFebruary 15: 10h 46m of daylightFebMarch 15: 11h 56m of daylightMarApril 15: 13h 13m of daylightAprMay 15: 14h 17m of daylightMayJune 15: 14h 52m of daylightJunJuly 15: 14h 37m of daylightJulAugust 15: 13h 40m of daylightAugSeptember 15: 12h 26m of daylightSepOctober 15: 11h 12m of daylightOctNovember 15: 10h 03m of daylightNovDecember 15: 9h 28m of daylightDec
On the 15th ofSunriseSunsetDaylight
January7:25 am5:10 pm9h 45m
February6:59 am5:45 pm10h 46m
March7:19 am7:15 pm11h 56m
April6:32 am7:45 pm13h 13m
May5:56 am8:13 pm14h 17m
June5:43 am8:34 pm14h 52m
July5:55 am8:32 pm14h 37m
August6:22 am8:02 pm13h 40m
September6:50 am7:16 pm12h 26m
October7:17 am6:29 pm11h 12m
November6:51 am4:54 pm10h 03m
December7:19 am4:47 pm9h 28m

Calculated for 2026 at the center of Alexandria with NOAA's solar equations, in local clock time (Eastern Time, including daylight saving time where it applies). Times shift by a minute or two from year to year.

Is Alexandria getting warmer?

The last 10 years averaged 3.0°F warmer than the 20th century. See the climate stripes for Alexandria.

Frequently asked questions

What is the warmest month in Alexandria?

July is the warmest month, with an average high of 90°F and an average low of 72°F (NOAA 1991-2020 normals).

What is the coldest month in Alexandria?

January is the coldest, with average lows of 30°F and highs of 45°F.

What is the rainiest month in Alexandria?

July gets the most precipitation, 4.3 inches on average. February is the driest at 2.6 inches.

Does it snow in Alexandria?

Yes. Alexandria averages 14 inches of snow a year.

When is the best time to visit Alexandria?

For comfortable weather, April to June and September to October. Those months average highs between 62 and 86°F with lows of 42°F or more and modest rain.

Thinking of moving to Alexandria?

See what homes, rent and everyday prices cost, who lives there and how it compares with nearby cities on the full Alexandria profile.

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