NATL ARBORETUM DC, MD US
GHCN ID: USC00186350 · MD, US · 15.2 m elevation · Records 1948-2026 (78 years)
Primary station for Bladensburg, MD.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 44.7°F | 27.8°F | 36.2°F | 3.03 in | 4.7 in |
| February | 47.8°F | 29.5°F | 38.6°F | 2.77 in | 2.3 in |
| March | 55.9°F | 36.5°F | 46.2°F | 3.96 in | 1.4 in |
| April | 67.6°F | 46.4°F | 57.0°F | 3.44 in | — |
| May | 76.9°F | 56.6°F | 66.7°F | 4.32 in | — |
| June | 85.4°F | 66.1°F | 75.7°F | 4.56 in | — |
| July | 89.8°F | 70.9°F | 80.3°F | 4.62 in | — |
| August | 88.4°F | 68.8°F | 78.6°F | 3.67 in | — |
| September | 81.7°F | 61.5°F | 71.6°F | 4.12 in | — |
| October | 69.9°F | 49.0°F | 59.4°F | 4.23 in | — |
| November | 58.4°F | 38.9°F | 48.6°F | 3.20 in | — |
| December | 49.2°F | 31.9°F | 40.6°F | 3.67 in | 1.3 in |