Climate and monthly weather forecast
Swampscott, MA

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Weather in January

January, like December, in Swampscott, Massachusetts, is another cold winter month, with an average temperature ranging between min 23.4°F (-4.8°C) and max 34.2°F (1.2°C). January is the month when Swampscott experiences its coldest temperatures, averaging a high of 34.2°F (1.2°C) and a low of 23.4°F (-4.8°C). Weather in January »

Weather in February

February, the last month of the winter in Swampscott, is also a wintry month, with an average temperature fluctuating between 24.6°F (-4.1°C) and 36.1°F (2.3°C). The advent of February denotes an average high-temperature of a still cold 36.1°F (2.3°C), subtly different from January's 34.2°F (1.2°C). Weather in February »

Weather in March

The first month of the spring, March, is also an icy month in Swampscott, Massachusetts, with an average temperature varying between 42.4°F (5.8°C) and 30.9°F (-0.6°C). The onset of March marks a slight increase in the average high-temperature, moving from an icy 36.1°F (2.3°C) in February to a still cold 42.4°F (5.8°C). Weather in March »

Weather in April

April in Swampscott, Massachusetts, is a fresh spring month, with an average temperature ranging between min 40.6°F (4.8°C) and max 54.1°F (12.3°C). Noticing a change, the average high-temperature during April moves from March's wintry 42.4°F (5.8°C) to a cool 54.1°F (12.3°C). Weather in April »

Weather in May

May, the last month of the spring in Swampscott, is a refreshing month, with an average temperature ranging between min 49.8°F (9.9°C) and max 64.8°F (18.2°C). An increase in the average high-temperature marks May, moving from April's fresh 54.1°F (12.3°C) to a refreshing 64.8°F (18.2°C). Weather in May »

Weather in June

June, the first month of the summer in Swampscott, is an agreeable month, with temperature in the range of an average low of 57.4°F (14.1°C) and an average high of 73°F (22.8°C). Swampscott observes a slight uplift in the average high-temperature with the onset of June, adjusting from May's enjoyable 64.8°F (18.2°C) to an agreeable 73°F (22.8°C). Weather in June »

Weather in July

July in Swampscott, Massachusetts, is a moderately hot summer month, with an average temperature fluctuating between 65.3°F (18.5°C) and 80.4°F (26.9°C). During the warmest month, July, temperatures average a high of 80.4°F (26.9°C) and a low of 65.3°F (18.5°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Swampscott, Massachusetts, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 64.6°F (18.1°C). August experiences an average high-temperature of a still warm 79.3°F (26.3°C), barely different from July's 80.4°F (26.9°C). Weather in August »

Weather in September

September, the first month of the autumn in Swampscott, is still a pleasant month, with an average temperature fluctuating between 71.6°F (22°C) and 57.9°F (14.4°C). With the beginning of September, the average high-temperature shows a small decrease, transitioning from a moderately hot 79.3°F (26.3°C) in August to a pleasant 71.6°F (22°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Swampscott, Massachusetts, with an average temperature ranging between min 48.7°F (9.3°C) and max 60.1°F (15.6°C). With the onset of October, Swampscott experiences a modest temperature adjustment, with the average high-temperature receding from a pleasant 71.6°F (22°C) in September to a mild 60.1°F (15.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Swampscott, is also a frosty month, with an average temperature ranging between max 49.5°F (9.7°C) and min 38.3°F (3.5°C). The beginning of November marks a decrease in the average high-temperature, transitioning from a moderate 60.1°F (15.6°C) in October to a chilly 49.5°F (9.7°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Swampscott, Massachusetts, with temperature in the range of an average low of 30.2°F (-1°C) and an average high of 39.9°F (4.4°C). The onset of December comes with a shift in the average high-temperature, falling from a chilly 49.5°F (9.7°C) in November to a cold 39.9°F (4.4°C). Weather in December »

Frequently asked questions

What month is the coldest?

Swampscott's coldest temperatures are experienced in January, with average high temperatures of 34.2°F (1.2°C) and lows of 23.4°F (-4.8°C).

How much does it rain?

In Swampscott, during the entire year, the rain falls for 144.9 days and collects up to 27.91" (709mm) of precipitation.

When does it snow?

Months with snowfall are January through April, October through December.

How many days does it snow?

In Swampscott, during the entire year, snow falls for 29.9 days and aggregates up to 15.59" (396mm) of snow.

When is the lowest UV index?

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

What is the most humid month in Swampscott?

With an average relative humidity of 77%, February is the most humid month.

When does it snow the most?

February is the month with the most snowfall in Swampscott. Snow falls for 7.7 days and accumulates 4.61" (117mm) of snow.

What are the months with the coldest ocean?

February and March, with an average ocean temperature of 38.8°F (3.8°C), are months with the coldest seawater.

What is the month with the least sunshine?

The months with the least sunshine are February and December, with an average of 4.6h of sunshine.

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.

What is the least humid month?

With an average relative humidity of 70%, April is the least humid month.

When it does not snow?

May through September are months without snowfall.

When are the longest days?

The month with the longest days is June, with an average of 15h and 12min of daylight.

When is the highest UV index?

The months with the highest UV index in Swampscott are June through August, with an average maximum UV index of 6.

What is the warmest month?

The warmest temperatures occur during July, when averages reach a peak of 80.4°F (26.9°C) and a low of 65.3°F (18.5°C).

What month is the ocean warmest?

The month with the warmest seawater is August, with an average ocean temperature of 67.6°F (19.8°C).

What month has the most sunshine in Swampscott?

The month with the most sunshine is August, with an average of 10.4h of sunshine.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 1.42" (36mm) of precipitation.

What is the rainiest month?

The month with the most rainfall is December, when the rain falls for 10.3 days and typically aggregates up to 2.99" (76mm) of precipitation.

What is the month with the shortest days?

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

Average temperature
Swampscott, MA

Average temperature - Swampscott, MA

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (34.2°F).

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure
Swampscott, MA

Average pressure - Swampscott, 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
Swampscott, MA

Average wind speed - Swampscott, MA

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity
Swampscott, MA

Average humidity - Swampscott, MA

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (70%).

Average rainfall
Swampscott, MA

Average rainfall - Swampscott, MA

The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days
Swampscott, MA

Average rainfall days - Swampscott, MA

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (7.1 days).

Average snowfall
Swampscott, MA

Average snowfall - Swampscott, MA

The month with the highest snowfall is February (4.61").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Swampscott, MA

Average snowfall days - Swampscott, MA

The months with the highest number of snowfall days are January and February (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average sea temperature
Swampscott, MA

Average sea temperature - Swampscott, MA

The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).

Average daylight / Average sunshine
Swampscott, MA

Average daylight / Average sunshine - Swampscott, MA

The month with the longest days is June (Average daylight: 15h and 12min).
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 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

Average sunshine days
Swampscott, MA

Average sunshine days - Swampscott, MA

The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is April (13.2 days).

Average UV index
Swampscott, MA

Average UV index - Swampscott, MA

The months with the highest UV index are June, 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
Swampscott, MA

Average visibility - Swampscott, 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).

Swampscott, Massachusetts, USA

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