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Best Time to Hike Long Trail

wb_sunny Best from September to September
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month-by-month temperatures and rainfall for Long Trail, United States, based on 2-year climate normals.

Month-by-month weather on Long Trail

Month Avg high Avg low Rainfall Rainy days
January -4.7°C / 24°F -12.1°C / 10°F 101 mm 14
February -1.7°C / 29°F -12.2°C / 10°F 64 mm 12
March 4.5°C / 40°F -5.4°C / 22°F 143 mm 15
April 10°C / 50°F -0.5°C / 31°F 113 mm 15
May 16.3°C / 61°F 7.3°C / 45°F 161 mm 17
June 22°C / 72°F 12.4°C / 54°F 161 mm 17
July 24.8°C / 77°F 15.7°C / 60°F 129 mm 15
August 22.4°C / 72°F 12.6°C / 55°F 88 mm 13
September 19.9°C / 68°F 10°C / 50°F 68 mm 6
October 13°C / 55°F 3.6°C / 38°F 100 mm 10
November 4.7°C / 40°F -2.3°C / 28°F 91 mm 15
December -2.5°C / 28°F -11.6°C / 11°F 102 mm 16

Highlighted rows are the recommended hiking window. Climate normals via Open-Meteo (2-year average). Mountain weather varies — always check a live forecast before you set off.

When to go

The best months to hike Long Trail are September. Expect daytime highs around 20°C (68°F) and nights near 10°C (50°F).

Pack flexible layers and a reliable rain shell — conditions can shift quickly in the mountains.

Long Trail

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