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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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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.