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Best Time to Hike East Lake Sammamish Trail

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

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

Units

Month-by-month weather on East Lake Sammamish Trail

Month Avg high Avg low Rainfall Rainy days
January 45°F7°C 32°F0°C 172 mm 16
February 46°F8°C 33°F1°C 152 mm 18
March 54°F12°C 37°F3°C 154 mm 19
April 58°F14°C 40°F5°C 92 mm 16
May 63°F17°C 45°F7°C 92 mm 14
June 69°F21°C 51°F10°C 54 mm 8
July 80°F26°C 56°F13°C 13 mm 3
August 77°F25°C 57°F14°C 62 mm 9
September 71°F22°C 53°F12°C 48 mm 7
October 59°F15°C 44°F7°C 149 mm 18
November 51°F11°C 41°F5°C 188 mm 19
December 48°F9°C 37°F3°C 263 mm 22

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 East Lake Sammamish Trail are June, July, September. Expect daytime highs around 73°F23°C and nights near 54°F12°C.

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

East Lake Sammamish Trail

Full route guide, interactive map and free GPX download.

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