Arrival Airport | Portland Airport |
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In terms of precipitation, rainfall in Rockland ranges from 2.5 - 6.0 inches per month. December is typically the wettest month, when rainfall can reach 6.0 in. August is typically the driest time to visit Rockland when rainfall is around 2.5 in.
If weather is an important factor for your trip to Rockland, 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 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).