Alexandria, Virginia Climate by Month
Alexandria, Virginia, United States
Hot summers and cold winters, with rain spread through the year.
Alexandria has hot summers and cold winters, with rain spread through the year. July is the warmest month, with highs around 89°F (32°C); January is the coolest at 45°F (7°C), and nights dip to 28°F (-2°C). It gets 42 in (1070 mm) of rain a year, spread across the months.
- Warmest month
- 89°F(32°C)
- Average high, July
- Coldest nights
- 28°F(-2°C)
- Average low, January
- Rain per year
- 42 in(1070 mm)
- No clear rainy season
- Humidity
- 64%
- Sunniest: June
Best and worst months in Alexandria
Best for weatherThe most comfortable weather comes in May and October, with highs around 74°F (23°C) and about 3.6 in (91 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 45°F (7°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in May.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Alexandria weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 45°F(7°C) | 28°F(-2°C) | 2.9 in(74 mm) | 69% | 2.0 |
| FebFebruary | 49°F(9°C) | 29°F(-2°C) | 2.6 in(65 mm) | 62% | 2.9 |
| MarMarch | 57°F(14°C) | 36°F(2°C) | 3.6 in(92 mm) | 56% | 3.8 |
| AprApril | 69°F(20°C) | 45°F(7°C) | 3.2 in(81 mm) | 57% | 4.8 |
| MayMayBest | 77°F(25°C) | 55°F(13°C) | 3.8 in(96 mm) | 63% | 5.4 |
| JunJune | 85°F(30°C) | 64°F(18°C) | 3.9 in(99 mm) | 65% | 5.7 |
| JulJuly | 89°F(32°C) | 69°F(21°C) | 4.1 in(103 mm) | 65% | 5.6 |
| AugAugust | 87°F(31°C) | 67°F(20°C) | 4.2 in(106 mm) | 69% | 5.1 |
| SepSeptember | 81°F(27°C) | 60°F(16°C) | 4.3 in(109 mm) | 70% | 4.2 |
| OctOctoberBest | 70°F(21°C) | 48°F(9°C) | 3.4 in(86 mm) | 70% | 3.1 |
| NovNovember | 59°F(15°C) | 38°F(4°C) | 2.8 in(72 mm) | 60% | 2.2 |
| DecDecember | 49°F(9°C) | 31°F(0°C) | 3.4 in(87 mm) | 60% | 1.8 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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