Climate and monthly weather forecastDennis Port, MA
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Dennis Port, Massachusetts, with an average temperature ranging between max 38.5°F (3.6°C) and min 30.6°F (-0.8°C). Dennis Port's January weather reaches an average high of 38.5°F (3.6°C) and an average low of 30.6°F (-0.8°C), making it the coldest month. Weather in January »Weather in February
February, the last month of the winter in Dennis Port, is also an icy month, 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 reports an average high-temperature of a still cold 38.8°F (3.8°C), slightly varied 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 Dennis Port, Massachusetts, with temperature in the range of an average high of 41.4°F (5.2°C) and an average low of 35.6°F (2°C). With the start of March, Dennis Port measures an average high-temperature of a still cold 41.4°F (5.2°C), not significantly differing from February's 38.8°F (3.8°C). Weather in March »Weather in April
April in Dennis Port, Massachusetts, is a frosty spring month, with an average temperature ranging between max 47.1°F (8.4°C) and min 42.4°F (5.8°C). In Dennis Port, the onset of April comes with a modest high-temperature shift, transitioning 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 Dennis Port, 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). As May arrives, a slight rise in the average high-temperature is observed, moving from a chilly 47.1°F (8.4°C) in April to a cool 55°F (12.8°C). Weather in May »Weather in June
The first month of the summer, June, is an enjoyable month in Dennis Port, Massachusetts, with an average temperature ranging between max 63.5°F (17.5°C) and min 59.4°F (15.2°C). June witnesses a subtle temperature ascent, adjusting from a cool 55°F (12.8°C) in May to a refreshing 63.5°F (17.5°C). Weather in June »Weather in July
July in Dennis Port, Massachusetts, is a pleasant summer month, with an average temperature varying between 67.6°F (19.8°C) and 71.6°F (22°C). With the onset of July, Dennis Port's average high-temperature experiences a slight rise, moving from June's refreshing 63.5°F (17.5°C) to a pleasant 71.6°F (22°C). Weather in July »Weather in August
August, the last month of the summer in Dennis Port, is also an agreeable month, with an average temperature fluctuating between 72.1°F (22.3°C) and 68.5°F (20.3°C). August stands out as Dennis Port's warmest month, with an average high-temperature of 72.1°F (22.3°C) and a low-temperature of 68.5°F (20.3°C). Weather in August »Weather in September
September, the first month of the autumn in Dennis Port, is still a comfortable month, with temperature in the range of an average low of 63°F (17.2°C) and an average high of 67.1°F (19.5°C). The commencement of September brings an average high-temperature of an enjoyable 67.1°F (19.5°C), marking an inconsequential divergence from August. Weather in September »Weather in October
October, the same as September, in Dennis Port, Massachusetts, is a moderate autumn month, with an average temperature fluctuating between 59.9°F (15.5°C) and 54.7°F (12.6°C). Transition into October subtly marks a drop in the average high-temperature, moderately moving 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
The last month of the autumn, November, is also a fresh month in Dennis Port, Massachusetts, with an average temperature varying between 45.1°F (7.3°C) and 51.3°F (10.7°C). November's arrival aligns with a minor decrease in average high-temperatures, from October's moderate 59.9°F (15.5°C) to a cool 51.3°F (10.7°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Dennis Port, Massachusetts, with an average temperature varying between 36.9°F (2.7°C) and 43.7°F (6.5°C). A minor decrease in the average high-temperature is observed during December, shifting from a cool 51.3°F (10.7°C) in November to a chilly 43.7°F (6.5°C). Weather in December »Updated: Jun 4, 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
Dennis Port's coldest month, January, generally records average temperatures ranging from a high of 38.5°F (3.6°C) to a low of 30.6°F (-0.8°C).
Throughout the year, there are 129 rainfall days, and 14.21" (361mm) of precipitation is accumulated.
January through April and December are months with snowfall.
January is the month with the most snowfall. Snow falls for 6.4 days and accumulates 0.87" (22mm) of snow.
In Dennis Port, 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.
The months with the least sunshine in Dennis Port are February and December, with an average of 4.6h of sunshine.
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.
In Dennis Port, snow does not fall in May through November.
The months with the highest humidity are June and July, with an average relative humidity of 84%.
With an average of 15h and 12min of daylight, June has the longest days of the year.
July and August, with an average maximum UV index of 6, are months with the highest UV index.
Dennis Port's August weather, with an average high temperature of 72.1°F (22.3°C) and an average low temperature of 68.5°F (20.3°C), tends to be the warmest of the year.
August is the month with the least rainfall. Rain falls for 11.2 days and accumulates 0.94" (24mm) of precipitation.
The month with the most sunshine is August, with an average of 10.8h of sunshine.
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.
November is the least humid month, with an average relative humidity of 74%.
December has the shortest days of the year, with an average of 9h and 12min of daylight.
Average temperature
Dennis Port, 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
Dennis Port, 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
Dennis Port, 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
Dennis Port, 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
Dennis Port, 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
Dennis Port, 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
Dennis Port, 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
Dennis Port, 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 daylight / Average sunshine
Dennis Port, 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
Dennis Port, 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
Dennis Port, 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
Dennis Port, 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
Dennis Port, 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).
