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Best Time to Hike The Great North Cascades Traverse

wb_sunny Best months: July, September
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month-by-month temperatures and rainfall for The Great North Cascades Traverse, United States, based on 2-year climate normals.

Units

Month-by-month weather on The Great North Cascades Traverse

Month Avg high Avg low Rainfall Rainy days
January 33°F1°C 17°F-8°C 170 mm 16
February 34°F1°C 17°F-8°C 173 mm 17
March 40°F5°C 22°F-6°C 159 mm 20
April 45°F7°C 26°F-3°C 70 mm 15
May 52°F11°C 33°F0°C 50 mm 15
June 61°F16°C 41°F5°C 59 mm 10
July 72°F22°C 50°F10°C 16 mm 5
August 71°F22°C 50°F10°C 60 mm 10
September 68°F20°C 47°F8°C 42 mm 7
October 49°F10°C 34°F1°C 202 mm 16
November 38°F4°C 27°F-3°C 250 mm 17
December 37°F3°C 24°F-4°C 388 mm 21

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 The Great North Cascades Traverse are July, September. Expect daytime highs around 70°F21°C and nights near 48°F9°C.

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

The Great North Cascades Traverse

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