Rockland
Maine, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Rockland, ME

A US flag flying outside a lighthouse on the water in Rockland, Maine
A US flag flying outside a lighthouse on the water in Rockland, Maine
January, the same as December, in Rockland, Maine, is a freezing cold winter month, with average temperature fluctuating between 30°F (-1.1°C) and 10°F (-12.2°C). With an average high-temperature of 30°F (-1.1°C) and an average low-temperature of 10°F (-12.2°C), January is the coldest month. Weather in January »
February, the last month of the winter, in Rockland, is a wintry month, with average temperature fluctuating between 14°F (-10°C) and 33.1°F (0.6°C). In February, the average high-temperature is almost the same as in January - a wintry 33.1°F (0.6°C). Weather in February »

March, the first month of the spring, in Rockland, is also a wintry month, with average temperature fluctuating between 21.9°F (-5.6°C) and 39.9°F (4.4°C). In March, the average high-temperature slightly increases, from 33.1°F (0.6°C) in February, to a still wintry 39.9°F (4.4°C). Weather in March »

April is a cool spring month in Rockland, Maine, with temperature in the range of an average low of 33.1°F (0.6°C) and an average high of 52°F (11.1°C). In Rockland, the average high-temperature in April increases, from a wintry 39.9°F (4.4°C) in March, to a fresh 52°F (11.1°C). Weather in April »

May, the last month of the spring, in Rockland, is an enjoyable month, with average temperature ranging between min 43°F (6.1°C) and max 62.1°F (16.7°C). In Rockland, Maine, the average high-temperature in May increases, from a cool 52°F (11.1°C) in April, to an enjoyable 62.1°F (16.7°C). Weather in May »

June, the first month of the summer, in Rockland, is an agreeable month, with temperature in the range of an average low of 53.1°F (11.7°C) and an average high of 71.1°F (21.7°C). In June, the average high-temperature increases, from an enjoyable 62.1°F (16.7°C) in May, to an agreeable 71.1°F (21.7°C). Weather in June »

July in Rockland, Maine, is a warm summer month, with average temperature varying between 75.9°F (24.4°C) and 59°F (15°C). The warmest months are July and August, with an average high-temperature of 75.9°F (24.4°C). Weather in July »

August, the last month of the summer, in Rockland, is another warm month, with average temperature ranging between min 57.9°F (14.4°C) and max 75.9°F (24.4°C). The warmest months are July and August, with an average high-temperature of 75.9°F (24.4°C). Weather in August »

The first month of the autumn, September, is still a pleasant month in Rockland, Maine, with average temperature fluctuating between 68°F (20°C) and 50°F (10°C). In September, the average high-temperature slightly decreases, from a moderately hot 75.9°F (24.4°C) in August, to an agreeable 68°F (20°C). Weather in September »

October, like September, is another mild autumn month in Rockland, Maine, with average temperature varying between 57°F (13.9°C) and 39°F (3.9°C). In Rockland, the average high-temperature in October drops, from a pleasant 68°F (20°C) in September, to a mild 57°F (13.9°C). Weather in October »

The last month of the autumn, November, is another chilly month in Rockland, Maine, with average temperature ranging between max 46.9°F (8.3°C) and min 30°F (-1.1°C). In November, the average high-temperature drops, from a moderate 57°F (13.9°C) in October, to a chilly 46.9°F (8.3°C). Weather in November »

The first month of the winter, December, is also a wintry month in Rockland, Maine, with average temperature fluctuating between 18°F (-7.8°C) and 36°F (2.2°C). In Rockland, the average high-temperature decreases, from a chilly 46.9°F (8.3°C) in November, to a wintry 36°F (2.2°C). Weather in December »

What is the coldest month in Rockland?

January is the coldest month in Rockland, with an average high-temperature of 30°F (-1.1°C) and an average low-temperature of 10°F (-12.2°C).

How much does it rain in Rockland?

Throughout the year, in Rockland, Maine, there are 136 rainfall days, and 53.3" (1354.8mm) of precipitation is accumulated.

What is the month with the least sunshine in Rockland?

January, November and December, with an average of 4h of sunshine, are months with the least sunshine.

What are the months with the lowest UV index in Rockland?

Months with the lowest UV index in Rockland, Maine, are January and December, with an average maximum UV index of 1.

What is the month with the coldest ocean in Rockland?

March is the month with the coldest seawater in Rockland, with an average ocean temperature of 37.9°F (3.3°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

When are the longest days in Rockland?

The month with the longest days in Rockland is June, with an average of 15.4h of daylight.

What is the month with the most sunshine in Rockland?

June through August, with an average of 8h of sunshine, are months with the most sunshine in Rockland, Maine.

What are the months with the highest UV index in Rockland?

June and July, with an average maximum UV index of 8, are months with the highest UV index.

What is the warmest month in Rockland?

Warmest months in Rockland, Maine, are July and August, with an average high-temperature of 75.9°F (24.4°C).

What is the driest month in Rockland?

The month with the least rainfall in Rockland is August when the rain falls for 10 days and typically collects 3.3" (83.3mm) of precipitation.

What month is the ocean warmest in Rockland?

With an average ocean temperature of 60.4°F (15.8°C), August is the month with the warmest seawater. For swimming, a surface water temperature of 60.4°F (15.8°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the wettest month in Rockland?

The month with the most rainfall in Rockland is November when the rain falls for 12 days and typically aggregates up to 5.7" (145mm) of precipitation.

What is the month with the shortest days in Rockland?

The month with the shortest days is December, with an average of 8.9h of daylight.
Average rainfall - Rockland, ME
Average rainfall days - Rockland, ME
Average sea temperature - Rockland, ME

The best month for swimming (with the highest average sea temperature) is August (60.4°F).
The coldest month (with the lowest average sea temperature) is March (37.8°F).

Average daylight / Average sunshine - Rockland, ME