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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, the same as December, is an icy winter month in Mattapoisett, Massachusetts, with temperature in the range of an average high of 36.3°F (2.4°C) and an average low of 26.8°F (-2.9°C). January, with its average high-temperature of 36.3°F (2.4°C) and an average low-temperature of 26.8°F (-2.9°C), holds the record as the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Mattapoisett, is also a wintry month, with temperature in the range of an average low of 27.1°F (-2.7°C) and an average high of 38.3°F (3.5°C). The average high-temperature for February is a still icy 38.3°F (3.5°C), closely aligning with the temperature of the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Mattapoisett, Massachusetts, with an average temperature ranging between max 43.5°F (6.4°C) and min 33.1°F (0.6°C). Mattapoisett's weather in March, with an average high-temperature of a chilly 43.5°F (6.4°C), subtly shifts from February's 38.3°F (3.5°C). Weather in March »
Weather in April
April in Mattapoisett, Massachusetts, is a cool spring month, with an average temperature varying between 41.9°F (5.5°C) and 53.2°F (11.8°C). Mattapoisett's weather in April shows a rise in the average high-temperature, moving up from March's chilly 43.5°F (6.4°C) to a fresh 53.2°F (11.8°C). Weather in April »
Weather in May
May, the last month of the spring in Mattapoisett, is a comfortable month, with an average temperature varying between 50.7°F (10.4°C) and 62.4°F (16.9°C). Mattapoisett experiences a temperature shift with the start of May, with average high-temperatures moving from a fresh 53.2°F (11.8°C) in April to an enjoyable 62.4°F (16.9°C). Weather in May »
Weather in June
The first month of the summer, June, is a pleasant month in Mattapoisett, Massachusetts, with an average temperature fluctuating between 70.7°F (21.5°C) and 58.1°F (14.5°C). Mattapoisett's June weather indicates a minor ascent in high-temperatures, adjusting from a comfortable 62.4°F (16.9°C) in May to an agreeable 70.7°F (21.5°C). Weather in June »
Weather in July
July is a moderately hot summer month in Mattapoisett, Massachusetts, with temperature in the range of an average high of 78.4°F (25.8°C) and an average low of 66.4°F (19.1°C). Mattapoisett reaches its highest average temperatures in July, measuring 78.4°F (25.8°C) at the peak and 66.4°F (19.1°C) at the lowest. Weather in July »
Weather in August
August, the last month of the summer in Mattapoisett, is also a moderately hot month, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 78.3°F (25.7°C). The shift from July to August is characterized by an average high-temperature of a still warm 78.3°F (25.7°C), not significantly different from the 78.4°F (25.8°C) of July. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Mattapoisett, Massachusetts, with an average temperature varying between 71.2°F (21.8°C) and 59.7°F (15.4°C). September heralds a minor drop in average high-temperature, sliding from August's moderately hot 78.3°F (25.7°C) to a pleasant 71.2°F (21.8°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Mattapoisett, Massachusetts, with temperature in the range of an average low of 51.3°F (10.7°C) and an average high of 61.9°F (16.6°C). In Mattapoisett, the beginning of October is marked by a lowered average high-temperature, shifting from September's agreeable 71.2°F (21.8°C) to an enjoyable 61.9°F (16.6°C). Weather in October »
Weather in November
November, the last month of the autumn in Mattapoisett, is another cool month, with temperature in the range of an average high of 50.9°F (10.5°C) and an average low of 41°F (5°C). Setting in of November comes with a decrease in the average high-temperature, moving from a comfortable 61.9°F (16.6°C) in October to a fresh 50.9°F (10.5°C). Weather in November »
Weather in December
December, the first month of the winter in Mattapoisett, is also a wintry month, with an average temperature fluctuating between 33.3°F (0.7°C) and 42.4°F (5.8°C). December reveals a small adjustment in temperature, transitioning from an average high of a cool 50.9°F (10.5°C) in November to an icy 42.4°F (5.8°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
What month is the coldest?
In Mattapoisett, January is the month with the lowest recorded average temperatures, measuring a high of 36.3°F (2.4°C) and a low of 26.8°F (-2.9°C).
How much does it rain?
Throughout the year, there are 133.2 rainfall days, and 17.2" (437mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, November and December.
How many days does it snow?
In Mattapoisett, during the entire year, snow falls for 21.4 days and aggregates up to 5.87" (149mm) of snow.
What is the month with the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Mattapoisett.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 5.8 days and accumulates 1.77" (45mm) of snow.
What is the month with the coldest ocean?
The month with the coldest seawater is February, with an average ocean temperature of 38.1°F (3.4°C).
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 4.8h of sunshine.
What is the least humid month?
The months with the lowest humidity are March, April and November, with an average relative humidity of 74%.
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 Mattapoisett, snow does not fall in May through October.
What are the most humid months?
June and July, with an average relative humidity of 80%, are most humid months.
When are the longest days?
The month with the longest days is June, with an average of 15h and 12min of daylight.
What are the months with the highest UV index?
The months with the highest UV index in Mattapoisett are June through August, with an average maximum UV index of 6.
What part of the year is the hottest?
With an average high-temperature of 78.4°F (25.8°C) and an average low-temperature of 66.4°F (19.1°C), July is the warmest month.
When is the ocean warmest?
The month with the warmest seawater is August, with an average ocean temperature of 68.5°F (20.3°C).
What month has the most sunshine?
With an average of 10.6h of sunshine, August has the most sunshine of the year.
What is the driest month?
September is the month with the least rainfall. Rain falls for 10.5 days and accumulates 1.06" (27mm) of precipitation.
What is the rainiest month?
The month with the most rainfall is October, when the rain falls for 11.1 days and typically aggregates up to 1.93" (49mm) of precipitation.
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
Mattapoisett, MA
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (36.3°F).
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure
Mattapoisett, MA
- Average pressure in January:
30.01"Hg - Average pressure in February:
29.99"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.95"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:
30.07"Hg - Average pressure in December:
30.03"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Mattapoisett, MA
- Average wind speed in January:
11.9mph - Average wind speed in February:
11.7mph - Average wind speed in March:
11.7mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9.4mph - Average wind speed in June:
8.7mph
- Average wind speed in July:
8.1mph - Average wind speed in August:
8mph - Average wind speed in September:
9mph - Average wind speed in October:
10.4mph - Average wind speed in November:
11mph - Average wind speed in December:
11.2mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (8mph).
Average humidity
Mattapoisett, MA
The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are March, April and November (74%).
Average rainfall
Mattapoisett, MA
- Average rainfall in January:
1.42" - Average rainfall in February:
1.18" - Average rainfall in March:
1.38" - Average rainfall in April:
1.57" - Average rainfall in May:
1.5" - Average rainfall in June:
1.5"
- Average rainfall in July:
1.5" - Average rainfall in August:
1.34" - Average rainfall in September:
1.06" - Average rainfall in October:
1.93" - Average rainfall in November:
1.14" - Average rainfall in December:
1.69"
The wettest month (with the highest rainfall) is October (1.93").
The driest month (with the least rainfall) is September (1.06").
Average rainfall days
Mattapoisett, MA
- Average rainfall days in January:
8.2 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
11.4 days - Average rainfall days in April:
13 days - Average rainfall days in May:
13.3 days - Average rainfall days in June:
13.2 days
- Average rainfall days in July:
13.4 days - Average rainfall days in August:
12.1 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
11.1 days - Average rainfall days in November:
9.2 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is January (8.2 days).
Average snowfall
Mattapoisett, MA
The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Mattapoisett, MA
- Average snowfall days in January:
6.5 days - Average snowfall days in February:
5.8 days - Average snowfall days in March:
4.4 days - Average snowfall days in April:
0.7 days - Average snowfall days in May:
0.2 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:
3.2 days
The month with the highest number of snowfall days is January (6.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature
Mattapoisett, MA
The best month for swimming (with the highest average sea temperature) is August (68.4°F).
The coldest month (with the lowest average sea temperature) is February (38.2°F).
Average daylight / Average sunshine
Mattapoisett, 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:
5h and 1min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Mattapoisett, MA
- Average sunshine days in January:
17 days - Average sunshine days in February:
15.7 days - Average sunshine days in March:
16.8 days - Average sunshine days in April:
14.4 days - Average sunshine days in May:
15.6 days - Average sunshine days in June:
15.3 days
- Average sunshine days in July:
14.9 days - Average sunshine days in August:
16.1 days - Average sunshine days in September:
16.7 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
18.3 days - Average sunshine days in December:
18.3 days
The months with the most sunshine days are November and December (18.3 days).
The month with the least sunshine days is April (14.4 days).
Average UV index
Mattapoisett, MA
The months with the highest UV index are June, 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
Mattapoisett, MA
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Mattapoisett, 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).
Mattapoisett, Massachusetts, USA
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