April weather forecast
West Dennis, MA

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Weather in April

April is a chilly spring month in West Dennis, Massachusetts, with an average temperature ranging between min 42.4°F (5.8°C) and max 47.1°F (8.4°C).

Temperature

West Dennis, Massachusetts, observes a slight uplift in the average high-temperature with the onset of April, adjusting from March's cold 41.4°F (5.2°C) to a frosty 47.1°F (8.4°C). A minor drop in temperature is observed from daytime highs during the nights of April, averaging a cold 42.4°F (5.8°C).

Humidity

In April, the average relative humidity is 79%.

Rainfall

In April, the rain falls for 12.3 days. Throughout April, 1.34" (34mm) of precipitation is accumulated. Throughout the year, in West Dennis, 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. During 0.4 snowfall days, in April, West Dennis aggregates 0.04" (1mm) of snow. In West Dennis, during the entire year, snow falls for 20.8 days and aggregates up to 2.6" (66mm) of snow.

Ocean temperature

In West Dennis, the average seawater temperature in April is 43.5°F (6.4°C).
Note: Diving into 43.5°F (6.4°C) when it's under 50°F (10°C) can cause immediate cold shock symptoms, marked by hyperventilation.

Daylight

In West Dennis, the average length of the day in April 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, sunrise is at 5:37 am and sunset at 7:38 pm EDT.

Sunshine

The average sunshine in April is 8.4h.

UV index

The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A typical high UV index of 3 in April suggests the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. 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. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.

Frequently asked questions

What are April temperatures?

The average high-temperature and low-temperature during April are 47.1°F (8.4°C) and 42.4°F (5.8°C) respectively.

What is the average humidity in April?

The average relative humidity in April is 79%.

How many days does it rain in April?

In West Dennis, in April, it is raining for 12.3 days, with typically 1.34" (34mm) of accumulated precipitation.

What is the last month it snows?

April is the last month it regularly snows. During 0.4 snowfall days, in April, West Dennis aggregates 0.04" (1mm) of snow.

How cold is the water in April in West Dennis?

In West Dennis, Massachusetts, in April, the average water temperature is 43.5°F (6.4°C). Swimming in 43.5°F (6.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in April?

The average day length in April in West Dennis is 13h and 22min.

When is the sunrise / sunset in April?

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.

How long on average sun shines in April?

In West Dennis, the average sunshine duration in April is 8.4h.

How high is the UV index in April?

The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
West Dennis, MA

Average temperature in April - West 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
West Dennis, MA

Average pressure in April - West 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
West Dennis, MA

Average wind speed in April - West 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
West Dennis, MA

Average humidity in April - West 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
West Dennis, MA

Average rainfall in April - West 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
West Dennis, MA

Average rainfall days in April - West 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
West Dennis, MA

Average snowfall in April - West 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
West Dennis, MA

Average snowfall days in April - West 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
West Dennis, MA

Average sea temperature in April - West 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
West Dennis, MA

Average daylight in April / Average sunshine in April - West 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
West Dennis, MA

Average sunshine days in April - West 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
West Dennis, MA

Average UV index in April - West 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
West Dennis, MA

Average cloud cover in April - West 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
West Dennis, MA

Average visibility in April - West 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).

West Dennis, Massachusetts, USA

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