Climate and monthly weather forecast
Falmouth, MA

Weather in January

January, the same as December, is another cold winter month in Falmouth, Massachusetts, with average temperature ranging between max 37.9°F (3.3°C) and min 29.8°F (-1.2°C). The coldest month is January, with an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 29.8°F (-1.2°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Falmouth, Massachusetts, with temperature in the range of an average low of 30°F (-1.1°C) and an average high of 38.7°F (3.7°C). In February, the average high-temperature is almost the same as in January - a still wintry 38.7°F (3.7°C). Weather in February »

Weather in March

March, the first month of the spring, in Falmouth, is still a cold month, with average temperature fluctuating between 41.5°F (5.3°C) and 34.7°F (1.5°C). In Falmouth, the average high-temperature is relatively the same as in February - a still wintry 41.5°F (5.3°C). Weather in March »

Weather in April

April is a frosty spring month in Falmouth, Massachusetts, with average temperature varying between 42.6°F (5.9°C) and 48.7°F (9.3°C). In April, the average high-temperature slightly increases, from a cold 41.5°F (5.3°C) in March, 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 Falmouth, Massachusetts, with temperature in the range of an average high of 57°F (13.9°C) and an average low of 51.3°F (10.7°C). In May, the average high-temperature marginally rises, from a frosty 48.7°F (9.3°C) in April, to a mild 57°F (13.9°C). Weather in May »

Weather in June

June, the first month of the summer, in Falmouth, is an enjoyable month, with average temperature fluctuating between 60.1°F (15.6°C) and 65.5°F (18.6°C). In June, the average high-temperature marginally rises, from a mild 57°F (13.9°C) in May, to an enjoyable 65.5°F (18.6°C). Weather in June »

Weather in July

July is a warm summer month in Falmouth, Massachusetts, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 67.8°F (19.9°C). In July, the average high-temperature marginally rises, from an enjoyable 65.5°F (18.6°C) in June, to a warm 73.4°F (23°C). Weather in July »

Weather in August

August, the last month of the summer, in Falmouth, is another warm month, with average temperature varying between 73.9°F (23.3°C) and 68.5°F (20.3°C). August is the warmest month, with an average high-temperature of 73.9°F (23.3°C) and an average low-temperature of 68.5°F (20.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Falmouth, Massachusetts, with average temperature varying between 68.4°F (20.2°C) and 62.4°F (16.9°C). In September, the average high-temperature slightly decreases, from a moderately hot 73.9°F (23.3°C) in August, to an agreeable 68.4°F (20.2°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Falmouth, Massachusetts, with average temperature varying between 60.8°F (16°C) and 54.1°F (12.3°C). In October, the average high-temperature marginally drops, from a pleasant 68.4°F (20.2°C) in September, to a comfortable 60.8°F (16°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Falmouth, Massachusetts, with average temperature fluctuating between 44.2°F (6.8°C) and 50.9°F (10.5°C). In Falmouth, the average high-temperature in November decreases, from a comfortable 60.8°F (16°C) in October, to a cool 50.9°F (10.5°C). Weather in November »

Weather in December

December, the first month of the winter, in Falmouth, is also a frosty month, with average temperature fluctuating between 35.8°F (2.1°C) and 43.7°F (6.5°C). In December, the average high-temperature marginally drops, from a cool 50.9°F (10.5°C) in November, to a chilly 43.7°F (6.5°C). Weather in December »
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FAQ

What is the coldest month in Falmouth?

The coldest month in Falmouth is January, with an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 29.8°F (-1.2°C).

How much does it rain in Falmouth?

Throughout the year, in Falmouth, there are 69.4 rainfall days, and 5.31" (135mm) of precipitation is accumulated.

When does it snow in Falmouth?

January through March and December are months with snowfall.

How much does it snow in Falmouth?

Throughout the year, in Falmouth, Massachusetts, there are 12.8 snowfall days, and 0.67" (17mm) of snow is accumulated.

What is the month with the lowest UV index in Falmouth?

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

What month is the ocean coldest in Falmouth?

With an average ocean temperature of 38.1°F (3.4°C), February is the month with the coldest seawater in Falmouth.

What is the month with the least sunshine in Falmouth?

February and December, with an average of 4.7h of sunshine, are months with the least sunshine.

When it does not snow in Falmouth?

In Falmouth, Massachusetts, snow does not fall in April through November.

When are the longest days in Falmouth?

The month with the longest days is June, with an average of 15.2h of daylight.

What is the most humid month in Falmouth?

July is the most humid month in Falmouth, Massachusetts, with an average relative humidity of 83%.

What is the driest month in Falmouth?

July through September are months with the least rain in Falmouth, Massachusetts, when the rain falls for 7.7 days and typically aggregates up to 0.31" (8mm) of rain.

When is the highest UV index in Falmouth?

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

What is the warmest month in Falmouth?

With an average high-temperature of 73.9°F (23.3°C) and an average low-temperature of 68.5°F (20.3°C), August is the warmest month.

When is the ocean warmest in Falmouth?

With an average ocean temperature of 68.5°F (20.3°C), August is the month with the warmest seawater in Falmouth, Massachusetts.

What month has the most sunshine in Falmouth?

August has the most sunshine of the year in Falmouth, Massachusetts, with an average of 10.7h of sunshine.

What is the rainiest month in Falmouth?

The month with the most rainfall is October when the rain falls for 6.2 days and typically aggregates up to 0.71" (18mm) of precipitation.

What is the least humid month in Falmouth?

The least humid month in Falmouth, Massachusetts, is November, with an average relative humidity of 74%.

What is the snowiest month in Falmouth?

December is the month with the most snowfall in Falmouth. Snow falls for 2.5 days and accumulates 0.24" (6mm) of snow.

What is the month with the shortest days in Falmouth?

The month with the shortest days in Falmouth is December, with an average of 9.2h of daylight.

Average temperature
Falmouth, MA

Average temperature - Falmouth, MA

The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is January (37.9°F).

The month with the highest average low temperature is August (68.5°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

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Average pressure
Falmouth, MA

Average pressure - Falmouth, MA

The month with the highest atmospheric pressure is November (30.06").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed
Falmouth, MA

Average wind speed - Falmouth, MA

The windiest month (with the highest average wind speed) is January (15.3mph).
The calmest months (with the lowest average wind speed) are July and August (10.2mph).

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Average rainfall
Falmouth, MA

Average rainfall - Falmouth, MA

The wettest month (with the highest rainfall) is October (0.71").
The driest months (with the least rainfall) are July, August and September (0.31").

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Average rainfall days
Falmouth, MA

Average rainfall days - Falmouth, MA

The month with the highest number of rainy days is July (7.7 days).
The month with the least rainy days is September (4.6 days).

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Average snowfall
Falmouth, MA

Average snowfall - Falmouth, MA

The month with the highest snowfall is December (0.24").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days
Falmouth, MA

Average snowfall days - Falmouth, MA

The month with the highest number of snowfall days is January (4.4 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature
Falmouth, MA

Average sea temperature - Falmouth, MA

The best month for swimming (with the highest average sea temperature) is August (68.4°F).
The coldest month (with the lowest average sea temperature) is February (38.2°F).

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Average daylight / Average sunshine
Falmouth, MA

Average daylight / Average sunshine - Falmouth, MA

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

The month with the most sunshine is August (Average sunshine: 10.7h).
Months with the least sunshine are February and December (Average sunshine: 4.7).

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Average sunshine days
Falmouth, MA

Average sunshine days - Falmouth, MA

The month with the most sunshine days is September (23.9 days).
The month with the least sunshine days is February (20.8 days).

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Average UV index
Falmouth, MA

Average UV index - Falmouth, MA

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

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Average visibility
Falmouth, MA

Average visibility - Falmouth, MA

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

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