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Things to Do in San Juan Islands in Summer
Real historical weather for San Juan Islands in Summer: average highs of 20°C and lows of 13°C, with around 26mm of rain (averaged over the last 3 years). San Juan Islands is in United States.
20°C
Average high
13°C
Average low
26mm
Typical rainfall
Real things to do in San Juan Islands in Summer
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Around the Island Tour From San Juan
★ 4.9(336 reviews)· 10 hrs
From €132

Private Transfer-TO or FROM: SJUAirport,Cruise,Hotels Puerto Rico
★ 4.9(311 reviews)· 2h 10m
From €30

San Juan Catamaran Sunset Sail with Drinks Included
★ 4.9(674 reviews)· 2 hrs
From €106

Small-Group El Yunque Waterslide & transportation w/ Photos
★ 4.9(3,693 reviews)· 6 hrs
From €39

San Juan Guided Turtle Snorkel Tour and Complimentary Videos
★ 4.9(17,436 reviews)· 1h 30m
From €40

Whale Watching from Friday Harbor
★ 4.8(822 reviews)· 4 hrs
From €121

Old San Juan Walking Tour
★ 4.8(2,492 reviews)· 2h 15m
From €35

Jet Ski Tour through San Juan Bay (21 years old to rent)
★ 4.8(693 reviews)· 1h 20m
From €151

Bioluminescence Kayak Tour in the San Juan Islands
★ 4.7(33 reviews)· 3 hrs
From €147

Transportation in San Juan, Isla verde, Condado, Hotels, Cruises & Airbnb's SJU
★ 4.7(59 reviews)· 20 min
From €12
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FAQs — San Juan Islands in Summer
Based on real historical data (averaged over the last 3 years), expect highs around 20°C and lows around 13°C, with roughly 26mm of rain.