Rockland (MA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Rockland.
Climate overview of Rockland
Rockland, Massachusetts, United States of America, sees big temperature differences between seasons, with July peaking at 29°C (84°F) and January dropping to 3°C (37°F).
Rain/snowfall is high, totalling around 1295 mm (51 in) per year. December is the wettest month and September the driest. The city also experiences warm summers and cold winters. The sunniest month is May, with 10.0 hours of sunshine per day on average.
Rockland Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rockland - and find the best time to visit.
Monthly Temperature in Rockland
Visitors to Rockland can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 29°C (84°F) in July, the warmest time of the year, to a chilly 3°C (37°F) during cooler months like January.
At night, you can expect temperatures ranging from 18°C (64°F) in July to around -7°C (19°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Rockland
Rockland is known for its substantial rain/snowfall, with annual precipitation reaching 1295 mm (51 in). Year-round, Rockland has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 132 mm (5.2 in), and the driest month, September, with 83 mm (3.3 in), is minimal. For more details, please visit our Rockland Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Rockland
Seasonal changes in sunshine hours are quite dramatic in Rockland. While May receives considerable daily sunshine with up to 10.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Rockland by Month
The relative humidity is high throughout the year in Rockland.
The city experiences its highest humidity in August, reaching 72%. In February, the humidity drops to its lowest level at 62%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Rockland
Each month is rated for comfortable sightseeing weather — mild temperatures and low rainfall. Tap a month for its full averages; your ideal time may differ for a beach or winter trip (see below).
- Best overall: May, July, August and September
- Warmest weather: July and August
- Most sunshine: May and July
- Fewest rainy days: September and November
- Climate seasons: warm summers and cold winters
- Best for winter weather: January, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Rockland
What is the best time to visit Rockland?
May, July, August and September typically offer the most optimal weather in Rockland. In contrast, January, February, March, November and December tend to have less optimal conditions. Rockland has warm summers and cold winters.
What temperatures can I expect in Rockland?
Daytime highs range from 3°C (37°F) in January to 29°C (84°F) in July. Nighttime lows range from -7°C (19°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Rockland get?
Annual rainfall is around 1295 mm (51 in). December is the wettest month with 132 mm (5.2 in), while September is the driest with 83 mm (3.3 in).
How sunny is Rockland?
Rockland receives around 2,665 hours of sunshine per year. May is the sunniest month with 301 hours, while December is the cloudiest with just 141 hours. Overall, Rockland enjoys abundant sunshine.
Rockland 3-Day Forecast
Rockland (MA) 3-Day Forecast
Rockland on the map
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