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Alexandria Weather by Month

Best time to visit Alexandria
September–October
Average daily high Wet days Best window
Warmest month
Jul
31.6°C average high
Wettest month
Jul
137.7mm
Coolest month
Jan
6.4°C average high
Peak comfort score
83
out of 100

The year at a glance

-10°10°20°30°0138mmJFMAMJJASOND
Daily low to high range Rainfall (right axis)

Month by month

MonthHighLowRainWet daysScore
January 6.4°-2.7°65.4mm 10.928
February 8.1°-2°79.7mm 11.234
March 13.6°82.4mm 11.257
April 19.9°7.4°91.6mm 11.976
May 24.3°13.1°128.9mm 1374
June 29.3°18.3°133.7mm 11.169
July 31.6°20.8°137.7mm 10.461
August 30.4°20°111.1mm 10.366
September 26.8°16.3°101.9mm 8.383
October 20.2°9.7°111.3mm 10.280
November 13.9°3.6°81.5mm 8.863
December -0.1°100.9mm 10.541

Averages from OXON HILL, MD US, 4.6km away, over 1995–2024.

What each month is like

January

January in Alexandria averages a daily high of 6.4°C with nights around -2.7°C. Expect roughly 10.9 wet days totalling 65.4mm. A hard month to visit for comfort alone.

February

February in Alexandria averages a daily high of 8.1°C with nights around -2°C. Expect roughly 11.2 wet days totalling 79.7mm. A hard month to visit for comfort alone.

March

March in Alexandria averages a daily high of 13.6°C with nights around 2°C. Expect roughly 11.2 wet days totalling 82.4mm. Generally workable, with some weather to plan around.

April

April in Alexandria averages a daily high of 19.9°C with nights around 7.4°C. Expect roughly 11.9 wet days totalling 91.6mm. Comfortable conditions for being outdoors all day.

May

May in Alexandria averages a daily high of 24.3°C with nights around 13.1°C. Expect roughly 13 wet days totalling 128.9mm. Generally workable, with some weather to plan around.

June

June in Alexandria averages a daily high of 29.3°C with nights around 18.3°C. Expect roughly 11.1 wet days totalling 133.7mm. Generally workable, with some weather to plan around.

July

July in Alexandria averages a daily high of 31.6°C with nights around 20.8°C. Expect roughly 10.4 wet days totalling 137.7mm. Generally workable, with some weather to plan around.

August

August in Alexandria averages a daily high of 30.4°C with nights around 20°C. Expect roughly 10.3 wet days totalling 111.1mm. Generally workable, with some weather to plan around.

September

September in Alexandria averages a daily high of 26.8°C with nights around 16.3°C. Expect roughly 8.3 wet days totalling 101.9mm. Comfortable conditions for being outdoors all day.

October

October in Alexandria averages a daily high of 20.2°C with nights around 9.7°C. Expect roughly 10.2 wet days totalling 111.3mm. Comfortable conditions for being outdoors all day.

November

November in Alexandria averages a daily high of 13.9°C with nights around 3.6°C. Expect roughly 8.8 wet days totalling 81.5mm. Generally workable, with some weather to plan around.

December

December in Alexandria averages a daily high of 9°C with nights around -0.1°C. Expect roughly 10.5 wet days totalling 100.9mm. Demanding conditions — pack for it and plan indoor options.

How the score works

Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Alexandria peaks at 83.

Common questions

When is the best time to visit Alexandria?

Based on 30 years of records, September–October scores highest for comfort in Alexandria, balancing daytime temperature against rainfall.

What is the hottest month in Alexandria?

July is the warmest, averaging a daily high of 31.6°C.

What is the wettest month in Alexandria?

July is the wettest, averaging 137.7mm of rain across roughly 10.4 wet days.

How cold does Alexandria get?

January is the coolest month, with average daily highs around 6.4°C.

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