Climate and monthly weather forecastWest Dennis, MA
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in West Dennis, Massachusetts, with an average temperature varying between 30.6°F (-0.8°C) and 38.5°F (3.6°C). West Dennis reaches its lowest average temperatures in January, measuring 38.5°F (3.6°C) at the peak and 30.6°F (-0.8°C) at the lowest. Weather in January »Weather in February
The last month of the winter, February, is another cold 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 onset records a minor alteration in the average high-temperature to a still icy 38.8°F (3.8°C) 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 still a cold month, with an average temperature fluctuating between 41.4°F (5.2°C) and 35.6°F (2°C). With the advent of March, West Dennis experiences an average high-temperature of a still wintry 41.4°F (5.2°C), mirroring a close resemblance to the previous month. Weather in March »Weather in April
April in West Dennis, Massachusetts, is a frosty spring month, with an average temperature fluctuating between 42.4°F (5.8°C) and 47.1°F (8.4°C). April's arrival signals a subtle increase in average high-temperatures, moving from March's icy 41.4°F (5.2°C) to a chilly 47.1°F (8.4°C). Weather in April »Weather in May
May, the last month of the spring in West Dennis, is a fresh month, 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 introduces a minor temperature shift, with average high-temperatures adjusting from April's chilly 47.1°F (8.4°C) to a cool 55°F (12.8°C). Weather in May »Weather in June
June, the first month of the summer in West Dennis, is an enjoyable month, with an average temperature ranging between min 59.4°F (15.2°C) and max 63.5°F (17.5°C). West Dennis observes a slight ascent in average high-temperatures during June, adjusting 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 a pleasant summer month in West Dennis, Massachusetts, with an average temperature ranging between max 71.6°F (22°C) and min 67.6°F (19.8°C). The embrace of July brings a minor uplift in the average high-temperature, shifting 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
August, the last month of the summer in West Dennis, is also an agreeable month, with an average temperature ranging between min 68.5°F (20.3°C) and max 72.1°F (22.3°C). West Dennis's warmest temperatures are experienced in August, with average high temperatures of 72.1°F (22.3°C) and lows of 68.5°F (20.3°C). Weather in August »Weather in September
September, the first month of the autumn in West Dennis, is still a comfortable month, with an average temperature ranging between min 63°F (17.2°C) and max 67.1°F (19.5°C). In September, West Dennis experiences a minor shift in meteorological conditions with average high-temperatures marked at a refreshing 67.1°F (19.5°C), closely mirroring the climate in August. Weather in September »Weather in October
October, the same as September, in West Dennis, Massachusetts, is another mild autumn month, with an average temperature ranging between min 54.7°F (12.6°C) and max 59.9°F (15.5°C). The arrival of October suggests a slight decrease in the average high-temperature, moving from 67.1°F (19.5°C) in September to a still refreshing 59.9°F (15.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in West Dennis, Massachusetts, with an average temperature ranging between max 51.3°F (10.7°C) and min 45.1°F (7.3°C). November witnesses a gentle descent in average high-temperature, descending from October's moderate 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 varying between 43.7°F (6.5°C) and 36.9°F (2.7°C). As December begins, there is a minor decrease in the average high-temperature, softly falling from a fresh 51.3°F (10.7°C) in November to a chilly 43.7°F (6.5°C). Weather in December »Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
With average temperatures fluctuating between a high of 38.5°F (3.6°C) and a low of 30.6°F (-0.8°C), January stands out as the coldest month in West Dennis.
In West Dennis, Massachusetts, during the entire year, the rain falls for 129 days and collects up to 14.21" (361mm) of precipitation.
Months with snowfall are January through April and December.
January is the month with the most snowfall. Snow falls for 6.4 days and accumulates 0.87" (22mm) of snow.
In West Dennis, during the entire year, snow falls for 20.8 days and aggregates up to 2.6" (66mm) of snow.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
February and December, with an average of 4.6h of sunshine, are months with the least sunshine.
With an average ocean temperature of 39°F (3.9°C), March is the month with the coldest seawater.
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.
May through November are months without snowfall.
The months with the highest humidity are June and July, with an average relative humidity of 84%.
June has the longest days of the year, with an average of 15h and 12min of daylight.
The months with the highest UV index are July and August, with an average maximum UV index of 6.
August is the month when West Dennis's temperatures reach their peak, with averages of 72.1°F (22.3°C) and lows of 68.5°F (20.3°C).
August is the month with the least rainfall. Rain falls for 11.2 days and accumulates 0.94" (24mm) of precipitation.
With an average ocean temperature of 67.5°F (19.7°C), August is the month with the warmest seawater.
With an average of 10.8h of sunshine, August has the most sunshine of the year.
October is the month with the most rainfall. Rain falls for 11.6 days and accumulates 1.93" (49mm) of precipitation.
With an average relative humidity of 74%, November is the least humid month.
December has the shortest days of the year, with an average of 9h and 12min of daylight.
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 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 12min
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 48min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 48min - Average sunshine in September:
8h and 42min - Average sunshine in October:
6h and 42min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 36min
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).
