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In terms of precipitation, rainfall in Thorne Bay ranges from 3.1 - 16.0 inches per month. October is typically the wettest month, when rainfall can reach 16.0 in. June is typically the driest time to visit Thorne Bay when rainfall is around 3.1 in.
If weather is an important factor for your trip to Thorne Bay, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 57.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).