Climate and monthly weather forecast
East Harwich, MA

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Weather in January

January, the same as December, is another cold winter month in East Harwich, Massachusetts, with an average temperature fluctuating between 31.6°F (-0.2°C) and 39°F (3.9°C). The months of January and February are noted for their lowest temperatures, with an average high-temperature of 39°F (3.9°C). Weather in January »

Weather in February

February, the last month of the winter in East Harwich, is also a wintry month, with an average temperature ranging between max 39°F (3.9°C) and min 32°F (0°C). January and February are identified as the coldest months, with an average high-temperature of 39°F (3.9°C). Weather in February »

Weather in March

March, the first month of the spring in East Harwich, is also an icy month, with an average temperature fluctuating between 35.4°F (1.9°C) and 41°F (5°C). East Harwich ushers in March with an average high-temperature of a still icy 41°F (5°C), showing a close resemblance to the previous month. Weather in March »

Weather in April

April in East Harwich, Massachusetts, is a chilly spring month, with temperature in the range of an average high of 46.9°F (8.3°C) and an average low of 42.4°F (5.8°C). The beginning of April signals a minor rise in the average high-temperature, moving from a cold 41°F (5°C) in March to a chilly 46.9°F (8.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a fresh month in East Harwich, Massachusetts, with an average temperature ranging between min 50.5°F (10.3°C) and max 54.3°F (12.4°C). Entering May, East Harwich notices a subtle temperature elevation, with the average high-temperature advancing from April's frosty 46.9°F (8.3°C) to a fresh 54.3°F (12.4°C). Weather in May »

Weather in June

The first month of the summer, June, is an enjoyable month in East Harwich, Massachusetts, with an average temperature varying between 63°F (17.2°C) and 58.8°F (14.9°C). In June, the meteorological conditions subtly change with the average high-temperature edging from a fresh 54.3°F (12.4°C) in May to a comfortable 63°F (17.2°C). Weather in June »

Weather in July

July in East Harwich, Massachusetts, is an agreeable summer month, with an average temperature ranging between min 67.1°F (19.5°C) and max 70.3°F (21.3°C). July's arrival signals a subtle increase in average high-temperatures, moving from June's comfortable 63°F (17.2°C) to a pleasant 70.3°F (21.3°C). Weather in July »

Weather in August

The last month of the summer, August, is another pleasant month in East Harwich, Massachusetts, with temperature in the range of an average low of 68.2°F (20.1°C) and an average high of 71.6°F (22°C). East Harwich reaches its highest average temperatures in August, measuring 71.6°F (22°C) at the peak and 68.2°F (20.1°C) at the lowest. Weather in August »

Weather in September

The first month of the autumn, September, is still a comfortable month in East Harwich, Massachusetts, with an average temperature ranging between max 66.6°F (19.2°C) and min 63.3°F (17.4°C). The onset of September notes an average high-temperature of a comfortable 66.6°F (19.2°C), subtly shifted from August's 71.6°F (22°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in East Harwich, Massachusetts, with temperature in the range of an average high of 59.5°F (15.3°C) and an average low of 54.9°F (12.7°C). With the onset of October, East Harwich's climate undergoes a slight change as the average high-temperature moves from an enjoyable 66.6°F (19.2°C) in September to a moderate 59.5°F (15.3°C). Weather in October »

Weather in November

November, the last month of the autumn in East Harwich, is another cool month, with an average temperature varying between 51.3°F (10.7°C) and 45.5°F (7.5°C). The commencement of November indicates a gentle shift in the average high-temperature, receding from October's moderate 59.5°F (15.3°C) to a fresh 51.3°F (10.7°C). Weather in November »

Weather in December

December, the first month of the winter in East Harwich, is still a chilly month, with temperature in the range of an average high of 44.4°F (6.9°C) and an average low of 37.6°F (3.1°C). December's onset introduces a mild reduction in the average high-temperature, from a fresh 51.3°F (10.7°C) in November to a frosty 44.4°F (6.9°C). Weather in December »
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

January and February, with an average high-temperature of 39°F (3.9°C), are marked as the coldest months.

How much does it rain in East Harwich?

In East Harwich, during the entire year, the rain falls for 142.4 days and collects up to 22.09" (561mm) of precipitation.

When does it snow?

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

How many days does it snow in East Harwich?

Throughout the year, there are 20.8 snowfall days, and 4.37" (111mm) of snow is accumulated.

When is the lowest UV index?

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

What is the snowiest month?

February is the month with the most snowfall. Snow falls for 5 days and accumulates 1.38" (35mm) of snow.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in East Harwich, 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?

May through October are months without snowfall.

What is the most humid month?

June and July, with an average relative humidity of 85%, are most humid months.

When are the longest days?

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

What are the months with the highest UV index?

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

What is the warmest month?

During the warmest month in East Harwich, August, temperatures average a high of 71.6°F (22°C) and a low of 68.2°F (20.1°C).

What month has the most sunshine?

August has the most sunshine of the year in East Harwich, with an average of 10.7h of sunshine.

What is the wettest month?

The month with the most rainfall is October, when the rain falls for 13.4 days and typically aggregates up to 2.83" (72mm) of precipitation.

What is the least humid month?

November is the least humid month, with an average relative humidity of 74%.

What is the driest month?

November is the month with the least rainfall. Rain falls for 11.5 days and accumulates 1.46" (37mm) of precipitation.

What is the month with the shortest days?

With an average of 9h and 12min of daylight, December has the shortest days of the year in East Harwich.

What is the month with the least sunshine?

With an average of 4.3h of sunshine, December has the least sunshine of the year.

Average temperature
East Harwich, MA

Average temperature - East Harwich, MA

The warmest month (with the highest average high temperature) is August (71.6°F).
The months with the lowest average high temperature are January and February (39°F).

The month with the highest average low temperature is August (68.2°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).

Average pressure
East Harwich, MA

Average pressure - East Harwich, MA

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

Average wind speed
East Harwich, MA

Average wind speed - East Harwich, MA

The windiest month (with the highest average wind speed) is January (18mph).
The calmest month (with the lowest average wind speed) is August (11.4mph).

Average humidity
East Harwich, MA

Average humidity - East Harwich, MA

The months with the highest relative humidity are June and July (85%).
The month with the lowest relative humidity is November (74%).

Average rainfall
East Harwich, MA

Average rainfall - East Harwich, MA

The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is November (1.46").

Average rainfall days
East Harwich, MA

Average rainfall days - East Harwich, MA

The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is February (8.3 days).

Average snowfall
East Harwich, MA

Average snowfall - East Harwich, MA

The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
East Harwich, MA

Average snowfall days - East Harwich, MA

The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
East Harwich, MA

Average daylight / Average sunshine - East Harwich, 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 12min).

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).

Average sunshine days
East Harwich, MA

Average sunshine days - East Harwich, MA

The month with the most sunshine days is August (17.6 days).
The month with the least sunshine days is January (13 days).

Average UV index
East Harwich, MA

Average UV index - East Harwich, 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
East Harwich, MA

Average visibility - East Harwich, 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).

East Harwich, Massachusetts, USA

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