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
South Yarmouth observes a slight uplift in the average high-temperature with the onset of April, adjusting from March's icy 41.4°F (5.2°C) to a frosty 47.1°F (8.4°C). The April nights in South Yarmouth show a slight decrease to a mean low-temperature of 42.4°F (5.8°C).Humidity
In South Yarmouth, the average relative humidity in April is 79%.Rainfall
In South Yarmouth, Massachusetts, in April, during 12.3 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, there are 129 rainfall days, and 14.21" (361mm) of precipitation is accumulated.Snowfall
January through April and December are months with snowfall. April is the last month it regularly snows in South Yarmouth, Massachusetts. During 0.4 snowfall days, in April, South Yarmouth aggregates 0.04" (1mm) of snow. In South Yarmouth, during the entire year, snow falls for 20.8 days and aggregates up to 2.6" (66mm) of snow.Ocean temperature
In South Yarmouth, the average seawater temperature in April is 43.5°F (6.4°C).Note: Swimming in 43.5°F (6.4°C) can be lethal. Merely spending a few minutes in 55.4°F (13°C) waters feels harsh, and venturing below 50°F (10°C) might disrupt breathing control and bring about cold shock, contingent on individual resilience.
Daylight
In April, the average length of the day in South Yarmouth is 13h and 22min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:06 pm. On the last day of April, in South Yarmouth, sunrise is at 5:37 am and sunset at 7:38 pm EDT.
Sunshine
In April, the average sunshine in South Yarmouth is 8.4h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 3 in April leads to these recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in South Yarmouth in April?
What is the average humidity in April in South Yarmouth?
How much does it rain in South Yarmouth in April?
What is the last month it snows in South Yarmouth?
What is the water temperature in April in South Yarmouth?
What is the average length of the day in April in South Yarmouth?
When is the sunrise / sunset in April in South Yarmouth?
How many hours of sunshine does South Yarmouth have in April?
What is the UV index intensity in April in South Yarmouth?
Average temperature in April
South Yarmouth, 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
South Yarmouth, 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
South Yarmouth, 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
South Yarmouth, 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
South Yarmouth, 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
South Yarmouth, 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
South Yarmouth, 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
South Yarmouth, 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
South Yarmouth, 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
South Yarmouth, 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
South Yarmouth, 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
South Yarmouth, 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
South Yarmouth, 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
South Yarmouth, 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).
South Yarmouth, Massachusetts, USA
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