Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The arrival of April introduces a minor uplift in high-temperatures, adjusting from an icy 41.4°F (5.2°C) in March to a frosty 47.1°F (8.4°C). East Dennis marks an average drop to an icy 42.4°F (5.8°C) during nighttime in April, following the high of the day.Humidity
The average relative humidity in April is 79%.Rainfall
In East Dennis, in April, during 12.3 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In East Dennis, during the entire year, the rain falls for 129 days and collects up to 14.21" (361mm) of precipitation.Snowfall
Months with snowfall in East Dennis are January through April and December. April is the last month it regularly snows in East Dennis. During 0.4 snowfall days, in April, East Dennis aggregates 0.04" (1mm) of snow. In East Dennis, during the entire year, snow falls for 20.8 days and aggregates up to 2.6" (66mm) of snow.Ocean temperature
In East Dennis, the average seawater temperature in April is 43.5°F (6.4°C).Note: Dipping in 43.5°F (6.4°C) at temperatures less than 50°F (10°C) without proper gear can lead to pronounced cold shock and breathing difficulties.
Daylight
In East Dennis, the average length of the day in April is 13h and 22min.On the first day of April, sunrise is at 6:22 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 7:38 pm EDT.
Sunshine
In April, the average sunshine is 8.4h.UV index
The average daily maximum UV index in April in East Dennis is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In April, the maximum UV index of 3 transforms into these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What are the temperatures in East Dennis in April?
What is the average humidity in April in East Dennis?
How many days does it rain in April in East Dennis?
What is the last month it snows in East Dennis?
How cold is the water in April in East Dennis?
What is the average length of the day in April in East Dennis?
When is the sunrise / sunset in April in East Dennis?
How long on average sun shines in April in East Dennis?
What is the UV index reading in April in East Dennis?
Average temperature in April
East Dennis, MA
- Average high temperature in April: 47.1°F
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).
- Average low temperature in April: 42.4°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 in April
East Dennis, MA
- Average pressure in April: 29.98"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 in April
East Dennis, MA
- Average wind speed in April: 14.4mph
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 in April
East Dennis, MA
- Average humidity in April: 79%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (74%).
Average rainfall in April
East Dennis, MA
- Average rainfall in April: 1.34"
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 in April
East Dennis, MA
- Average rainfall days in April: 12.3 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 in April
East Dennis, MA
- Average snowfall in April: 0.04"
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 in April
East Dennis, MA
- Average snowfall days in April: 0.4 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 in April
East Dennis, MA
- Average sea temperature in April: 43.5°F
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 in April /
Average sunshine in April
East Dennis, MA
- Average daylight in April: 13h and 2min
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 2min
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 in April
East Dennis, MA
- Average sunshine days in April: 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 in April
East Dennis, MA
- Average UV index in April: 3
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 in April
East Dennis, MA
- Average cloud cover in April: 45
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 in April
East Dennis, 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).
East Dennis, Massachusetts, USA
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