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Weather & Climate
Arlington, Maryland, United States
Overview
Climate data and monthly weather averages for Arlington.
Key Metrics
Annual Avg
12°C
Summer Avg
23.7°C
Winter Avg
0.1°C
Record High
39.5°C
Record Low
-22.1°C
Annual Precipitation
1162.2 mm
Avg Humidity
78%
Summer Humidity
72%
Winter Humidity
84%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 19.5° | -1.2° | -18.4° | 70.1 | 84% | 62 | 52.8 |
| Feb | 23.8° | 0° | -22.1° | 70.6 | 82% | 80 | 60.2 |
| Mar | 25.5° | 4.7° | -20.6° | 84.9 | 80% | 118 | 63.3 |
| Apr | 31.7° | 11.2° | -4.8° | 94.2 | 77% | 149 | 64.9 |
| May | 32° | 16.8° | -0.9° | 106.3 | 79% | 171 | 41.5 |
| Jun | 35.9° | 22° | 6.7° | 117.3 | 76% | 186 | 42.7 |
| Jul | 39.5° | 25° | 11.4° | 114.4 | 70% | 191 | 38.7 |
| Aug | 37.3° | 24.2° | 11.4° | 106 | 70% | 167 | 57 |
| Sep | 36° | 20.3° | 4.7° | 113.1 | 72% | 131 | 61.3 |
| Oct | 34.9° | 13.2° | -2.3° | 108.5 | 77% | 98 | 60.7 |
| Nov | 25° | 6.7° | -7° | 81 | 80% | 70 | 52.6 |
| Dec | 21.9° | 1.5° | -14.3° | 95.8 | 85% | 54 | 59 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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