🇺🇸 America's 250th Birthday Sale — 25% off all guides through July 5 Shop Guides

Pack or skip

Thermal underwear for San Jose in June

Verdict

Skip it

Lows near 59°F — you'll overheat.

Why

San Jose in June averages highs of 83°F, lows of 59°F, 1 rainy days.

That climate means thermal underwear isn't pulling its weight. Lows near 59°F — you'll overheat.

Other decisions for San Jose

Nearby months

See the full packing list for San Jose in June

Or outfit ideas for San Jose in June