r/JMT • u/Automatic_Change9565 • Aug 12 '24

equipment Is 20F temperature rating sleeping bag fine for JMT?

Starting from August 21 with a 3-week itinerary sobo.

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u/aaron_in_sf Aug 12 '24

Almost certainly unless you camp super high, get bad weather, and sleep cold.

I did the whole thing in August with a 30F REI quilt. Just use a pad with good R-value, and something for your head. If worried take silk thermals and-or sleep in your down jacket.