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In terms of precipitation, rainfall in Brunswick ranges from 1.6 - 8.7 inches per month. September is typically the wettest month, when rainfall can reach 8.7 in. December is typically the driest time to visit Brunswick when rainfall is around 1.6 in.
If weather is an important factor for your trip to Brunswick, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).