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
Wellfleet's weather shows a minor temperature rise with the arrival of April, moving from an icy 41°F (5°C) in March to a frosty 46.8°F (8.2°C). Wellfleet maintains an average of approximately an icy 42.3°F (5.7°C) during April nights, with only a minimal decrease from the daytime temperature.Humidity
In April, the average relative humidity is 80%.Rainfall
In Wellfleet, in April, during 12.8 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Wellfleet, during the entire year, the rain falls for 136.1 days and collects up to 17.24" (438mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.8 snowfall days, in April, Wellfleet aggregates 0.04" (1mm) of snow. Throughout the year, there are 22.1 snowfall days, and 2.95" (75mm) of snow is accumulated.Ocean temperature
In April, the average ocean temperature 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 Wellfleet, the average length of the day in April is 13h and 23min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:06 pm. On the last day of April, sunrise is at 5:36 am and sunset at 7:38 pm EDT.
Sunshine
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 medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, the maximum UV index of 3 transforms into these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
What is the water temperature in April?
How many hours of daylight does Wellfleet have in April?
When is the sunrise / sunset in April?
How long on average sun shines in April in Wellfleet?
What is the UV index reading in April?
Average temperature in April
Wellfleet, MA
- Average high temperature in April: 46.8°F
The warmest month (with the highest average high temperature) is August (71.1°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in April: 42.3°F
The month with the highest average low temperature is August (67.6°F).
The coldest months (with the lowest average low temperature) are January and February (31.6°F).
Average pressure in April
Wellfleet, 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
Wellfleet, MA
- Average wind speed in April: 15.3mph
The windiest month (with the highest average wind speed) is January (18.5mph).
The calmest months (with the lowest average wind speed) are July and August (11.6mph).
Average humidity in April
Wellfleet, MA
- Average humidity in April: 80%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (74%).
Average rainfall in April
Wellfleet, MA
- Average rainfall in April: 1.5"
The wettest month (with the highest rainfall) is October (2.17").
The driest months (with the least rainfall) are February and November (1.18").
Average rainfall days in April
Wellfleet, MA
- Average rainfall days in April: 12.8 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in April
Wellfleet, MA
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Wellfleet, MA
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in April
Wellfleet, 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
Wellfleet, 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 36min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in April
Wellfleet, MA
- Average sunshine days in April: 14.8 days
The month with the most sunshine days is August (18.2 days).
The month with the least sunshine days is December (13.1 days).
Average UV index in April
Wellfleet, 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
Wellfleet, MA
- Average cloud cover in April: 46
The month with the most cloud cover is December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
Wellfleet, 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).
Wellfleet, Massachusetts, USA
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