April weather forecastMattapoisett, MA
April
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).Temperature
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). Throughout the month of April, Mattapoisett witnesses an average temperature of 41.9°F (5.5°C).Humidity
The months with the lowest humidity are March, April and November, with an average relative humidity of 74%.Rainfall
In Mattapoisett, in April, it is raining for 13 days, with typically 1.57" (40mm) of accumulated precipitation. Throughout the year, there are 133.2 rainfall days, and 17.2" (437mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.7 snowfall days, in April, Mattapoisett aggregates 0.31" (8mm) of snow. In Mattapoisett, during the entire year, snow falls for 21.4 days and aggregates up to 5.87" (149mm) of snow.Ocean temperature
In Mattapoisett, in April, the average water temperature is 43.9°F (6.6°C).Note: Diving into 43.9°F (6.6°C) when it's under 50°F (10°C) can cause immediate cold shock symptoms, marked by hyperventilation.
Daylight
In April, the average length of the day is 13h and 22min.On the first day of April, sunrise is at 6:24 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 7:40 pm EDT.
Sunshine
In Mattapoisett, the average sunshine in April is 8.3h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 3 during April translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Mattapoisett, MA
- Average high temperature in April: 53.2°F
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).
- Average low temperature in April: 41.9°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 in April
Mattapoisett, MA
- Average pressure in April: 29.98"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 in April
Mattapoisett, MA
- Average wind speed in April: 10.7mph
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 in April
Mattapoisett, MA
- Average humidity in April: 74%
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 in April
Mattapoisett, MA
- Average rainfall in April: 1.57"
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 in April
Mattapoisett, MA
- Average rainfall days in April: 13 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 in April
Mattapoisett, MA
- Average snowfall in April: 0.31"
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 in April
Mattapoisett, MA
- Average snowfall days in April: 0.7 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 in April
Mattapoisett, MA
- Average sea temperature in April: 44°F
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 in April /
Average sunshine in April
Mattapoisett, MA
- Average daylight in April: 13h and 24min
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 April: 8h and 18min
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 in April
Mattapoisett, MA
- Average sunshine days in April: 14.4 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 in April
Mattapoisett, MA
- Average UV index in April: 3
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 in April
Mattapoisett, MA
- Average cloud cover in April: 46
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 in April
Mattapoisett, MA
- Average visibility in April: 6mi
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).
