Climate and monthly weather forecast
Rockport, MA

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Weather in January

January, the same as December, is another cold winter month in Rockport, Massachusetts, with an average temperature varying between 34.9°F (1.6°C) and 26.1°F (-3.3°C). Rockport experiences its lowest temperatures in January, with an average peak of 34.9°F (1.6°C) and a low of 26.1°F (-3.3°C). Weather in January »

Weather in February

The last month of the winter, February, is also an icy month in Rockport, Massachusetts, with an average temperature fluctuating between 36.1°F (2.3°C) and 27°F (-2.8°C). February's advent denotes a minor fluctuation in the average high-temperature to a still wintry 36.1°F (2.3°C) from January's 34.9°F (1.6°C). Weather in February »

Weather in March

The first month of the spring, March, is also a wintry month in Rockport, Massachusetts, with temperature in the range of an average low of 32.5°F (0.3°C) and an average high of 40.5°F (4.7°C). Rockport measures an average high-temperature of a still icy 40.5°F (4.7°C) in March, nearly consistent with the preceding month. Weather in March »

Weather in April

April is a frosty spring month in Rockport, Massachusetts, with an average temperature ranging between min 40.8°F (4.9°C) and max 48.7°F (9.3°C). Observing a minor shift, the average high-temperature during April adjusts from March's wintry 40.5°F (4.7°C) to a frosty 48.7°F (9.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a mild month in Rockport, Massachusetts, with an average temperature varying between 57.7°F (14.3°C) and 49.5°F (9.7°C). May marks a rise in the average high-temperature, moving from April's frosty 48.7°F (9.3°C) to a moderate 57.7°F (14.3°C). Weather in May »

Weather in June

June, the first month of the summer in Rockport, is a comfortable month, with an average temperature fluctuating between 65.8°F (18.8°C) and 57.7°F (14.3°C). June marks a minor ascent in the average high-temperature, adjusting from May's moderate 57.7°F (14.3°C) to a comfortable 65.8°F (18.8°C). Weather in June »

Weather in July

July is an agreeable summer month in Rockport, Massachusetts, with temperature in the range of an average high of 72.9°F (22.7°C) and an average low of 64.9°F (18.3°C). July brings a slight elevation in the average high-temperature, transitioning from June's comfortable 65.8°F (18.8°C) to a pleasant 72.9°F (22.7°C). Weather in July »

Weather in August

August, the last month of the summer in Rockport, is also an agreeable month, with an average temperature ranging between min 65.5°F (18.6°C) and max 73°F (22.8°C). Rockport's warmest temperatures are experienced in August, with average high temperatures of 73°F (22.8°C) and lows of 65.5°F (18.6°C). Weather in August »

Weather in September

September, the first month of the autumn in Rockport, is still a comfortable month, with an average temperature varying between 59.9°F (15.5°C) and 67.3°F (19.6°C). Rockport's September weather shows a modest shift in high-temperatures, falling from August's agreeable 73°F (22.8°C) to a refreshing 67.3°F (19.6°C). Weather in September »

Weather in October

October, the same as September, in Rockport, Massachusetts, is a moderate autumn month, with an average temperature ranging between min 50.7°F (10.4°C) and max 58.3°F (14.6°C). The arrival of October corresponds with a reduction in the average high-temperature, down from September's comfortable 67.3°F (19.6°C) to a still refreshing 58.3°F (14.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Rockport, is also a frosty month, with temperature in the range of an average low of 40.8°F (4.9°C) and an average high of 48.7°F (9.3°C). A decrease in the average high-temperature is observed during November, shifting from a refreshing 58.3°F (14.6°C) in October to a chilly 48.7°F (9.3°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Rockport, Massachusetts, with an average temperature varying between 32.5°F (0.3°C) and 40.5°F (4.7°C). A modest decline in the average high-temperature is seen during December, decreasing from a frosty 48.7°F (9.3°C) in November to an icy 40.5°F (4.7°C). Weather in December »

Frequently asked questions

What part of the year is the coldest?

With its average high temperature of 34.9°F (1.6°C) and a low of 26.1°F (-3.3°C), January is regarded as the coldest month.

How many days does it rain?

Throughout the year, there are 150.9 rainfall days, and 30.75" (781mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through April, November and December.

How many days does it snow?

In Rockport, during the entire year, snow falls for 27.4 days and aggregates up to 9.17" (233mm) of snow.

When is the lowest UV index in Rockport?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the snowiest month?

The month with the most snowfall is February, when snow falls for 7.3 days and typically aggregates up to 2.6" (66mm) of snow.

What are the months with the least sunshine in Rockport?

February and December, with an average of 4.8h of sunshine, are months with the least sunshine.

When is the ocean coldest in Rockport?

With an average ocean temperature of 38.8°F (3.8°C), March is the month with the coldest seawater.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow in Rockport?

In Rockport, snow does not fall in May through October.

What is the most humid month?

June is the most humid month, with an average relative humidity of 81%.

When are the longest days?

With an average of 15h and 18min of daylight, June has the longest days of the year.

What is the month with the highest UV index in Rockport?

The months with the highest UV index are July and August, with an average maximum UV index of 6.

What are the warmest months?

August registers as the month with the average highest temperatures, reaching 73°F (22.8°C) at its peak and 65.5°F (18.6°C) at the lowest.

What month is the ocean warmest?

With an average ocean temperature of 66.4°F (19.1°C), August is the month with the warmest seawater.

What month has the most sunshine?

With an average of 10.8h of sunshine, August has the most sunshine of the year.

What is the driest month?

September is the month with the least rainfall. Rain falls for 11.9 days and accumulates 1.73" (44mm) of precipitation.

What is the least humid month?

The least humid month is November, with an average relative humidity of 73%.

What is the wettest month?

The month with the most rainfall is December, when the rain falls for 11.4 days and typically aggregates up to 3.23" (82mm) of precipitation.

What is the month with the shortest days?

With an average of 9h and 6min of daylight, December has the shortest days of the year in Rockport.

Average temperature
Rockport, MA

Average temperature - Rockport, MA

The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is January (34.9°F).

The month with the highest average low temperature is August (65.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure
Rockport, MA

Average pressure - Rockport, MA

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed
Rockport, MA

Average wind speed - Rockport, MA

The windiest month (with the highest average wind speed) is January (15.2mph).
The calmest months (with the lowest average wind speed) are July and August (8.9mph).

Average humidity
Rockport, MA

Average humidity - Rockport, MA

The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is November (73%).

Average rainfall
Rockport, MA

Average rainfall - Rockport, MA

The wettest month (with the highest rainfall) is December (3.23").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days
Rockport, MA

Average rainfall days - Rockport, MA

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (8.2 days).

Average snowfall
Rockport, MA

Average snowfall - Rockport, MA

The month with the highest snowfall is February (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Rockport, MA

Average snowfall days - Rockport, MA

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average sea temperature
Rockport, MA

Average sea temperature - Rockport, MA

The best month for swimming (with the highest average sea temperature) is August (66.4°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).

Average daylight / Average sunshine
Rockport, MA

Average daylight / Average sunshine - Rockport, MA

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days
Rockport, MA

Average sunshine days - Rockport, MA

The months with the most sunshine days are September and November (16.7 days).
The month with the least sunshine days is February (13.1 days).

Average UV index
Rockport, MA

Average UV index - Rockport, MA

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average visibility
Rockport, MA

Average visibility - Rockport, MA

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Rockport, Massachusetts, USA

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