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In terms of precipitation, rainfall in Provincetown ranges from 2.4 - 3.5 inches per month. January is typically the wettest month, when rainfall can reach 3.5 in. June is typically the driest time to visit Provincetown when rainfall is around 2.4 in.
If weather is an important factor for your trip to Provincetown, 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 68.0 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 30.2 F).