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
April's arrival is noted with a slight increase in the average high-temperature, moving from a wintry 41.5°F (5.3°C) in March to a frosty 47.1°F (8.4°C). April nighttime temperatures hover close to the daytime peak with an average of 42.4°F (5.8°C).Humidity
The average relative humidity in April is 79%.Rainfall
In Barnstable, Massachusetts, during April, the rain falls for 12 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, there are 129.6 rainfall days, and 13.94" (354mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April and December. April is the last month it regularly snows. During 0.8 snowfall days, in April, Barnstable aggregates 0.08" (2mm) of snow. In Barnstable, Massachusetts, during the entire year, snow falls for 21.6 days and aggregates up to 2.17" (55mm) of snow.Ocean temperature
In Barnstable, in April, the average water temperature is 43.5°F (6.4°C).Note: Taking a dip in 43.5°F (6.4°C) can be perilous. Submersion in temperatures under 50°F (10°C) triggers severe cold shock accompanied by hyperventilation.
Daylight
In Barnstable, 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 7:07 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 7:38 pm EDT.
Sunshine
In Barnstable, the average sunshine in April is 8.4h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 3 during April translates into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Barnstable in April?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows?
How cold is the water in April?
How many hours of daylight does Barnstable have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Barnstable have in April?
What is the UV index intensity in April?
Average temperature in April
Barnstable, MA
- Average high temperature in April: 47.1°F
The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in April: 42.4°F
The month with the highest average low temperature is August (68.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in April
Barnstable, 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
Barnstable, MA
- Average wind speed in April: 13.9mph
The windiest month (with the highest average wind speed) is January (16.4mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).
Average humidity in April
Barnstable, MA
- Average humidity in April: 79%
The months with the highest relative humidity are May, June and July (83%).
The month with the lowest relative humidity is November (74%).
Average rainfall in April
Barnstable, MA
- Average rainfall in April: 1.26"
The wettest month (with the highest rainfall) is October (1.89").
The driest month (with the least rainfall) is August (0.94").
Average rainfall days in April
Barnstable, MA
- Average rainfall days in April: 12 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in April
Barnstable, MA
- Average snowfall in April: 0.08"
The months with the highest snowfall are January and February (0.63").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in April
Barnstable, MA
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in April
Barnstable, 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
Barnstable, 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 month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in April
Barnstable, MA
- Average sunshine days in April: 15.7 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is February (14.8 days).
Average UV index in April
Barnstable, 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
Barnstable, MA
- Average cloud cover in April: 44
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
Barnstable, 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).
Barnstable, Massachusetts, USA
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