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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in West Dennis, Massachusetts, is another cold winter month, with an average temperature varying between 38.5°F (3.6°C) and 30.6°F (-0.8°C). January, with its high-temperature average of 38.5°F (3.6°C) and a low-temperature average of 30.6°F (-0.8°C), is the coldest month. 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 high of 38.8°F (3.8°C) and an average low of 31.1°F (-0.5°C). The transition into February shows a subtle variation to a still cold 38.8°F (3.8°C) from January's 38.5°F (3.6°C) in the average high-temperature. Weather in February »
Weather in March
The first month of the spring, March, is still a cold month in West Dennis, Massachusetts, with an average temperature varying between 35.6°F (2°C) and 41.4°F (5.2°C). The shift into March reveals an average high-temperature of a still cold 41.4°F (5.2°C), closely mirroring February's climate. Weather in March »
Weather in April
April is a chilly spring month in West Dennis, Massachusetts, with an average temperature ranging between min 42.4°F (5.8°C) and max 47.1°F (8.4°C). West Dennis, Massachusetts, observes a slight uplift in the average high-temperature with the onset of April, adjusting from March's cold 41.4°F (5.2°C) to a frosty 47.1°F (8.4°C). Weather in April »
Weather in May
May, the last month of the spring in West Dennis, is a cool month, with an average temperature fluctuating between 51.3°F (10.7°C) and 55°F (12.8°C). West Dennis observes a slight ascent in average high-temperatures during May, adjusting 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 Dennis, is a comfortable month, with an average temperature fluctuating between 59.4°F (15.2°C) and 63.5°F (17.5°C). With the onset of June, West Dennis observes a minor temperature ascent, with the average high-temperature adjusting from May's fresh 55°F (12.8°C) to an enjoyable 63.5°F (17.5°C). Weather in June »
Weather in July
July in West Dennis, Massachusetts, is a pleasant summer month, with an average temperature varying between 67.6°F (19.8°C) and 71.6°F (22°C). In West Dennis, 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 also an agreeable month in West Dennis, Massachusetts, with an average temperature varying between 68.5°F (20.3°C) and 72.1°F (22.3°C). August, with an average high of 72.1°F (22.3°C) and a low of 68.5°F (20.3°C), signifies the warmest month of the year. 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 ranging between max 67.1°F (19.5°C) and min 63°F (17.2°C). As September takes hold, the average high-temperature is an enjoyable 67.1°F (19.5°C), nearly mirroring that of the previous month. Weather in September »
Weather in October
October, the same as September, in West Dennis, Massachusetts, is a moderate 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). The commencement of October indicates a gentle shift in the average high-temperature, receding from September's comfortable 67.1°F (19.5°C) 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 advent of November brings a subtle shift in temperature, with the average high moving from a refreshing 59.9°F (15.5°C) in October to a cool 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 ranging between max 43.7°F (6.5°C) and min 36.9°F (2.7°C). December indicates a minor shift in the average high-temperature, from November's fresh 51.3°F (10.7°C) to a chilly 43.7°F (6.5°C). Weather in December »
Updated: Jul 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
January brings the lowest temperatures, with an average high of 38.5°F (3.6°C) and an average low of 30.6°F (-0.8°C).
How much does it rain?
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?
Months with snowfall are January through April and December.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 6.4 days and typically aggregates up to 0.87" (22mm) of snow.
How many days does it snow?
Throughout the year, there are 20.8 snowfall days, and 2.6" (66mm) of snow is accumulated.
What are the months with the lowest UV index?
The months with the lowest UV index in West Dennis are January through March, November and December, with an average maximum UV index of 2.
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 the ocean coldest?
The month with the coldest seawater is March, with an average ocean temperature of 39°F (3.9°C).
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.
When it does not snow in West Dennis?
In West Dennis, snow does not fall in May through November.
What are the most humid months?
June and July, with an average relative humidity of 84%, are most humid months.
When are the longest days?
The month with the longest days in West Dennis is June, with an average of 15h and 12min of daylight.
When is 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 in West Dennis?
In West Dennis, the peak average temperatures are observed in August, with 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 Dennis?
The month with the least rainfall is August, when the rain falls for 11.2 days and typically collects 0.94" (24mm) of precipitation.
When is the ocean warmest?
August is the month with the warmest seawater, with an average ocean temperature of 67.5°F (19.7°C).
What month has the most sunshine?
With an average of 10.8h of sunshine, August has the most sunshine of the year.
What is the rainiest month?
The month with the most rainfall 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?
The least humid month is November, with an average relative humidity of 74%.
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.
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).
Average pressure
West Dennis, MA
- Average pressure in January:
30"Hg - Average pressure in February:
29.98"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.03"Hg
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
West Dennis, MA
- Average wind speed in January:
16.8mph - Average wind speed in February:
16.3mph - Average wind speed in March:
16.5mph - Average wind speed in April:
14.4mph - Average wind speed in May:
12.5mph - Average wind speed in June:
11.7mph
- Average wind speed in July:
10.9mph - Average wind speed in August:
10.9mph - Average wind speed in September:
12.8mph - Average wind speed in October:
14.8mph - Average wind speed in November:
16mph - Average wind speed in December:
16.4mph
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).
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%).
Average rainfall
West Dennis, MA
- Average rainfall in January:
1.06" - Average rainfall in February:
1.02" - Average rainfall in March:
1.06" - Average rainfall in April:
1.34" - Average rainfall in May:
1.14" - Average rainfall in June:
1.14"
- Average rainfall in July:
1.02" - Average rainfall in August:
0.94" - Average rainfall in September:
1.18" - Average rainfall in October:
1.93" - Average rainfall in November:
0.98" - Average rainfall in December:
1.38"
The wettest month (with the highest rainfall) is October (1.93").
The driest month (with the least rainfall) is August (0.94").
Average rainfall days
West Dennis, MA
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
9.9 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
12.5 days - Average rainfall days in June:
11.2 days
- Average rainfall days in July:
12.3 days - Average rainfall days in August:
11.2 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
11 days - Average rainfall days in December:
10.8 days
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).
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").
Average snowfall days
West Dennis, MA
- Average snowfall days in January:
6.4 days - Average snowfall days in February:
5.1 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.4 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
4.5 days
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).
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).
Average daylight / Average sunshine
West Dennis, MA
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
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).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 4min
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).
Average sunshine days
West Dennis, MA
- Average sunshine days in January:
15.4 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
16.4 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
16.4 days - Average sunshine days in June:
16.8 days
- Average sunshine days in July:
17.6 days - Average sunshine days in August:
18.3 days - Average sunshine days in September:
18.6 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
15.3 days
The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is February (14.3 days).
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).
Average cloud cover
West Dennis, MA
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).
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).
West Dennis, Massachusetts, USA
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