Climate and monthly weather forecast
West Dennis, MA

Share

Weather in January

January, like December, in West Dennis, Massachusetts, is an icy winter month, with an average temperature fluctuating between 38.5°F (3.6°C) and 30.6°F (-0.8°C). The month of January, characterized by an average high of 38.5°F (3.6°C) and a low of 30.6°F (-0.8°C), is recognized as the coldest. Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in West Dennis, Massachusetts, with temperature in the range of an average low of 31.1°F (-0.5°C) and an average high of 38.8°F (3.8°C). February's commencement is accompanied by an average high-temperature of a still icy 38.8°F (3.8°C), diverging marginally from January's 38.5°F (3.6°C). Weather in February »

Weather in March

March, the first month of the spring in West Dennis, is also a wintry month, with an average temperature fluctuating between 35.6°F (2°C) and 41.4°F (5.2°C). The transition from February to March sees average high-temperatures adjusting to a still wintry 41.4°F (5.2°C), from a not significantly different 38.8°F (3.8°C). Weather in March »

Weather in April

April in West Dennis, Massachusetts, is a frosty spring month, with an average temperature varying between 42.4°F (5.8°C) and 47.1°F (8.4°C). In April, the average high-temperature marginally rises from an icy 41.4°F (5.2°C) in March to a frosty 47.1°F (8.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a fresh month in West Dennis, Massachusetts, with temperature in the range of an average low of 51.3°F (10.7°C) and an average high of 55°F (12.8°C). May's arrival is noted with a slight increase in the average high-temperature, 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

The first month of the summer, June, is a comfortable month in West Dennis, Massachusetts, with an average temperature ranging between max 63.5°F (17.5°C) and min 59.4°F (15.2°C). As June begins, there's a slight increase in the average high-temperature, moving from a fresh 55°F (12.8°C) in May to a refreshing 63.5°F (17.5°C). Weather in June »

Weather in July

July is a pleasant summer month in West Dennis, Massachusetts, with temperature in the range of an average low of 67.6°F (19.8°C) and an average high of 71.6°F (22°C). The arrival of July signals a slight increase in the average high-temperature, moving from a comfortable 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 also an agreeable month in West Dennis, Massachusetts, with an average temperature varying between 72.1°F (22.3°C) and 68.5°F (20.3°C). August tends to be the warmest month, with temperatures averaging a daily high of 72.1°F (22.3°C) and a low of 68.5°F (20.3°C). Weather in August »

Weather in September

September, the first month of the autumn in West Dennis, is also an enjoyable month, with an average temperature fluctuating between 67.1°F (19.5°C) and 63°F (17.2°C). West Dennis, Massachusetts, records a slight change with September's average high-temperatures adjusting to a refreshing 67.1°F (19.5°C) from August's 72.1°F (22.3°C). Weather in September »

Weather in October

October, the same as September, in West Dennis, Massachusetts, is another refreshing autumn month, with temperature in the range of an average low of 54.7°F (12.6°C) and an average high of 59.9°F (15.5°C). With October's onset, the weather reveals a slight temperature decrease, transitioning from an enjoyable 67.1°F (19.5°C) in September to a moderate 59.9°F (15.5°C). Weather in October »

Weather in November

November, the last month of the autumn in West Dennis, is also a fresh month, with an average temperature fluctuating between 51.3°F (10.7°C) and 45.1°F (7.3°C). The shift from October to November includes a minor decrease in the average high-temperature, lightly dropping from a refreshing 59.9°F (15.5°C) to a fresh 51.3°F (10.7°C). Weather in November »

Weather in December

December, the first month of the winter in West Dennis, is also a frosty month, with an average temperature fluctuating between 36.9°F (2.7°C) and 43.7°F (6.5°C). West Dennis experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a cool 51.3°F (10.7°C) in November to a frosty 43.7°F (6.5°C). Weather in December »
[Resources]

Frequently asked questions

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

West Dennis notes the coldest temperatures in January, with a average high of 38.5°F (3.6°C) and a low of 30.6°F (-0.8°C).

How many days does it rain in West Dennis?

In West Dennis, during the entire year, the rain falls for 129 days and collects up to 14.21" (361mm) of precipitation.

When does it snow in West Dennis?

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

What is the snowiest month in West Dennis?

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

How many days does it snow in West Dennis?

In West Dennis, during the entire year, snow falls for 20.8 days and aggregates up to 2.6" (66mm) of snow.

When is the lowest UV index in West Dennis?

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 month with the least sunshine in West Dennis?

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

When is the ocean coldest in West Dennis?

March is the month with the coldest seawater, with an average ocean temperature of 39°F (3.9°C).

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

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 West Dennis?

In West Dennis, Massachusetts, snow does not fall in May through November.

What are the most humid months in West Dennis?

The months with the highest humidity in West Dennis are June and July, with an average relative humidity of 84%.

When are the longest days in West Dennis?

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

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

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

What month is the hottest in West Dennis?

August, noted for its average high-temperature of 72.1°F (22.3°C) and an average low-temperature of 68.5°F (20.3°C), is considered the warmest month.

What is the driest month in West Dennis?

August is the month with the least rainfall in West Dennis, Massachusetts. Rain falls for 11.2 days and accumulates 0.94" (24mm) of precipitation.

When is the ocean warmest in West Dennis?

The month with the warmest seawater is August, with an average ocean temperature of 67.5°F (19.7°C).

What month has the most sunshine in West Dennis?

August has the most sunshine of the year in West Dennis, with an average of 10.8h of sunshine.

What is the wettest month in West Dennis?

The month with the most rainfall in West Dennis, Massachusetts, is October, when the rain falls for 11.6 days and typically aggregates up to 1.93" (49mm) of precipitation.

What is the least humid month in West Dennis?

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

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

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

Average temperature
West Dennis, MA

Average temperature - West Dennis, 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).

[Resources]

Average pressure
West Dennis, MA

Average pressure - West Dennis, 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).

[Resources]

Average wind speed
West Dennis, MA

Average wind speed - West Dennis, 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).

[Resources]

Average humidity
West Dennis, MA

Average humidity - West Dennis, MA

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

[Resources]

Average rainfall
West Dennis, MA

Average rainfall - West Dennis, MA

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

[Resources]

Average rainfall days
West Dennis, MA

Average rainfall days - West Dennis, 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).

[Resources]

Average snowfall
West Dennis, MA

Average snowfall - West Dennis, 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").

[Resources]

Average snowfall days
West Dennis, MA

Average snowfall days - West Dennis, 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).

[Resources]

Average sea temperature
West Dennis, MA

Average sea temperature - West Dennis, MA

The best month for swimming (with the highest average sea temperature) is August (67.5°F).
The coldest month (with the lowest average sea temperature) is March (39°F).

[Resources]

Average daylight / Average sunshine
West Dennis, MA

Average daylight / Average sunshine - West Dennis, 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).

[Resources]

Average sunshine days
West Dennis, MA

Average sunshine days - West Dennis, 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).

[Resources]

Average UV index
West Dennis, MA

Average UV index - West Dennis, 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).

[Resources]

Average visibility
West Dennis, MA

Average visibility - West Dennis, 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).

[Resources]

West Dennis, Massachusetts, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location