Climate and monthly weather forecast
West Harwich, MA

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Weather in January

January, the same as December, is another cold winter month in West Harwich, Massachusetts, with an average temperature ranging between max 38.5°F (3.6°C) and min 30.6°F (-0.8°C). West Harwich's January weather, marked by an average high temperature of 38.5°F (3.6°C) and an average low temperature of 30.6°F (-0.8°C), is the coldest in the year. Weather in January »

Weather in February

February, the last month of the winter in West Harwich, is also an icy month, with an average temperature ranging between max 38.8°F (3.8°C) and min 31.1°F (-0.5°C). February commences with an average high-temperature of a still cold 38.8°F (3.8°C), showing little deviation from January's 38.5°F (3.6°C). Weather in February »

Weather in March

The first month of the spring, March, is also an icy month in West Harwich, Massachusetts, with temperature in the range of an average low of 35.6°F (2°C) and an average high of 41.4°F (5.2°C). West Harwich marks the onset of March with an average high-temperature of a still cold 41.4°F (5.2°C), a subtle shift from February's 38.8°F (3.8°C). Weather in March »

Weather in April

April is a frosty spring month in West Harwich, Massachusetts, with an average temperature ranging between min 42.4°F (5.8°C) and max 47.1°F (8.4°C). With the onset of April, the average high-temperature subtly transitions from a cold 41.4°F (5.2°C) in March to a chilly 47.1°F (8.4°C). Weather in April »

Weather in May

May, the last month of the spring in West Harwich, is a fresh month, with an average temperature ranging between max 55°F (12.8°C) and min 51.3°F (10.7°C). May sees a marginal temperature increase, moving from a chilly 47.1°F (8.4°C) in April to a fresh 55°F (12.8°C). Weather in May »

Weather in June

June, the first month of the summer in West Harwich, is a refreshing month, with an average temperature ranging between min 59.4°F (15.2°C) and max 63.5°F (17.5°C). June's onset brings a minor rise in the average high-temperature, moving from a fresh 55°F (12.8°C) in May to a comfortable 63.5°F (17.5°C). Weather in June »

Weather in July

July is an agreeable summer month in West Harwich, Massachusetts, with an average temperature fluctuating between 67.6°F (19.8°C) and 71.6°F (22°C). In West Harwich, the average high-temperature in July slightly rises, from a refreshing 63.5°F (17.5°C) in June, to a pleasant 71.6°F (22°C). Weather in July »

Weather in August

The last month of the summer, August, is another pleasant month in West Harwich, Massachusetts, with an average temperature varying between 68.5°F (20.3°C) and 72.1°F (22.3°C). In West Harwich, August records the highest average temperatures, peaking at 72.1°F (22.3°C) and reaching a low of 68.5°F (20.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a comfortable month in West Harwich, Massachusetts, with an average temperature varying between 67.1°F (19.5°C) and 63°F (17.2°C). As West Harwich, Massachusetts, welcomes September, the average high-temperature records at a refreshing 67.1°F (19.5°C), marking an insignificant deviation from the prior month. Weather in September »

Weather in October

October, like September, is another mild autumn month in West Harwich, Massachusetts, with an average temperature ranging between min 54.7°F (12.6°C) and max 59.9°F (15.5°C). The transition into October is accompanied by a slight temperature decrease, with the average high-temperature shifting from an enjoyable 67.1°F (19.5°C) in September to a still refreshing 59.9°F (15.5°C). Weather in October »

Weather in November

November, the last month of the autumn in West Harwich, is another cool month, with an average temperature ranging between min 45.1°F (7.3°C) and max 51.3°F (10.7°C). The average high-temperature shows a slight dip in November, from October's mild 59.9°F (15.5°C) to a fresh 51.3°F (10.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in West Harwich, Massachusetts, with an average temperature ranging between max 43.7°F (6.5°C) and min 36.9°F (2.7°C). Start of December brings a slight shift in the average high-temperature, dipping a bit from November's cool 51.3°F (10.7°C) to a chilly 43.7°F (6.5°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in West Harwich?

January stands out as West Harwich's coldest month, with an average high-temperature of 38.5°F (3.6°C) and a low-temperature of 30.6°F (-0.8°C).

How many days does it rain in West Harwich?

Throughout the year, there are 129 rainfall days, and 14.21" (361mm) of precipitation is accumulated.

When does it snow in West Harwich?

January through April and December are months with snowfall in West Harwich.

When does it snow the most in West Harwich?

January is the month with the most snowfall in West Harwich, Massachusetts. Snow falls for 6.4 days and accumulates 0.87" (22mm) of snow.

How many days does it snow in West Harwich?

Throughout the year, in West Harwich, Massachusetts, there are 20.8 snowfall days, and 2.6" (66mm) of snow is accumulated.

What are the months with the lowest UV index in West Harwich?

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

What is the month with the least sunshine in West Harwich?

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

When is Daylight Saving Time (DST) in West Harwich?

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

May through November are months without snowfall in West Harwich.

What are the most humid months in West Harwich?

June and July, with an average relative humidity of 84%, are most humid months in West Harwich.

When are the longest days in West Harwich?

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

What is the month with the highest UV index in West Harwich?

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

What month is the hottest in West Harwich?

In West Harwich, August is the warmest month, with temperatures averaging a high of 72.1°F (22.3°C) and a low of 68.5°F (20.3°C).

What is the driest month in West Harwich?

The month with the least rainfall in West Harwich, Massachusetts, is August, when the rain falls for 11.2 days and typically collects 0.94" (24mm) of precipitation.

What month has the most sunshine in West Harwich?

The month with the most sunshine in West Harwich is August, with an average of 10.8h of sunshine.

What is the rainiest month in West Harwich?

October is the month with the most rainfall in West Harwich. Rain falls for 11.6 days and accumulates 1.93" (49mm) of precipitation.

What is the least humid month in West Harwich?

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

What is the month with the shortest days in West Harwich?

December has the shortest days of the year in West Harwich, Massachusetts, with an average of 9h and 12min of daylight.

Average temperature
West Harwich, MA

Average temperature - West Harwich, MA

The warmest month (with the highest average high temperature) is August (72.1°F).
The month with the lowest average high temperature is January (38.5°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 (30.6°F).

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Average pressure
West Harwich, MA

Average pressure - West 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).

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Average wind speed
West Harwich, MA

Average wind speed - West Harwich, MA

The windiest month (with the highest average wind speed) is January (16.8mph).
The calmest months (with the lowest average wind speed) are July and August (10.9mph).

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Average humidity
West Harwich, MA

Average humidity - West Harwich, MA

The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (74%).

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Average rainfall
West Harwich, MA

Average rainfall - West Harwich, MA

The wettest month (with the highest rainfall) is October (1.93").
The driest month (with the least rainfall) is August (0.94").

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Average rainfall days
West Harwich, MA

Average rainfall days - West Harwich, MA

The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (8.3 days).

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Average snowfall
West Harwich, MA

Average snowfall - West Harwich, MA

The month with the highest snowfall is January (0.87").
The months with the least snowfall are May, June, July, August, September, October and November (0").

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Average snowfall days
West Harwich, MA

Average snowfall days - West Harwich, MA

The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
West Harwich, MA

Average daylight / Average sunshine - West 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 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

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Average sunshine days
West Harwich, MA

Average sunshine days - West Harwich, MA

The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is February (14.3 days).

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Average UV index
West Harwich, MA

Average UV index - West 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).

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Average visibility
West Harwich, MA

Average visibility - West 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).

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West Harwich, Massachusetts, USA

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