April weather forecast
West Falmouth, MA

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Weather in April

April is a chilly spring month in West Falmouth, Massachusetts, with an average temperature ranging between min 42.6°F (5.9°C) and max 49.1°F (9.5°C).

Temperature

West Falmouth experiences a minor temperature shift with the start of April, with average high-temperatures moving from a cold 41.7°F (5.4°C) in March to a chilly 49.1°F (9.5°C). West Falmouth maintains an average low-temperature of 42.6°F (5.9°C) throughout April's nights.

Humidity

In April, the average relative humidity in West Falmouth is 77%.

Rainfall

In West Falmouth, in April, during 16.2 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. In West Falmouth, during the entire year, the rain falls for 155.1 days and collects up to 32.48" (825mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. April is the last month it regularly snows. During 0.7 snowfall days, in April, West Falmouth aggregates 0.2" (5mm) of snow. In West Falmouth, during the entire year, snow falls for 20.8 days and aggregates up to 6.93" (176mm) of snow.

Ocean temperature

In West Falmouth, the average seawater temperature in April is 43.9°F (6.6°C).
Note: One needs to be cautious in 43.9°F (6.6°C) waters. 55.4°F (13°C) is already forbidding, but sub14°F (-10°C) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being.

Daylight

In April, the average length of the day is 13h and 22min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:08 pm. On the last day of April, sunrise is at 5:39 am and sunset at 7:39 pm EDT.

Sunshine

The average sunshine in April is 8.3h.

UV index

The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: A daily high UV index of 3 in April leads to these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

Frequently asked questions

What is the usual temperature for West Falmouth in April?

The average high-temperature and low-temperature during April are 49.1°F (9.5°C) and 42.6°F (5.9°C) respectively.

What is the average humidity in April?

In West Falmouth, the average relative humidity in April is 77%.

How many days does it rain in April?

In April, the rain falls for 16.2 days. Throughout April, 3.19" (81mm) of precipitation is accumulated.

What is the last month it snows in West Falmouth?

April is the last month it regularly snows. During 0.7 snowfall days, in April, West Falmouth aggregates 0.2" (5mm) of snow.

How cold is the water in April?

In West Falmouth, Massachusetts, the average seawater temperature in April is 43.9°F (6.6°C). Swimming in 43.9°F (6.6°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does West Falmouth have in April?

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

When is the sunrise / sunset in April?

On the first day of April, sunrise is at 6:24 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 7:39 pm EDT.

How long on average sun shines in April in West Falmouth?

In April, the average sunshine duration is 8.3h.

What is the UV index intensity in April?

The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
West Falmouth, MA

Average temperature in April - West Falmouth, MA
  • Average high temperature in April: 49.1°F

The warmest month (with the highest average high temperature) is August (74.5°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in April: 42.6°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 (29.1°F).

Average pressure in April
West Falmouth, MA

Average pressure in April - West Falmouth, 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 Falmouth, MA

Average wind speed in April - West Falmouth, MA
  • Average wind speed in April: 12.9mph

The windiest month (with the highest average wind speed) is January (14.9mph).
The calmest months (with the lowest average wind speed) are July and August (9.9mph).

Average humidity in April
West Falmouth, MA

Average humidity in April - West Falmouth, MA
  • Average humidity in April: 77%

The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (74%).

Average rainfall in April
West Falmouth, MA

Average rainfall in April - West Falmouth, MA
  • Average rainfall in April: 3.19"

The wettest month (with the highest rainfall) is December (3.7").
The driest months (with the least rainfall) are August and September (1.85").

Average rainfall days in April
West Falmouth, MA

Average rainfall days in April - West Falmouth, MA
  • Average rainfall days in April: 16.2 days

The month with the highest number of rainy days is April (16.2 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in April
West Falmouth, MA

Average snowfall in April - West Falmouth, MA
  • Average snowfall in April: 0.2"

The month with the highest snowfall is March (2.24").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
West Falmouth, MA

Average snowfall days in April - West Falmouth, MA
  • Average snowfall days in April: 0.7 days

The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in April
West Falmouth, MA

Average sea temperature in April - West Falmouth, MA
  • Average sea temperature in April: 44°F

The best month for swimming (with the highest average sea temperature) is August (68.4°F).
The coldest month (with the lowest average sea temperature) is February (38.2°F).

Average daylight in April /
Average sunshine in April
West Falmouth, MA

Average daylight in April / Average sunshine in April - West Falmouth, MA
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
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 February (Average sunshine: 4h and 42min).

Average sunshine days in April
West Falmouth, MA

Average sunshine days in April - West Falmouth, MA
  • Average sunshine days in April: 12.3 days

The month with the most sunshine days is August (16.4 days).
The month with the least sunshine days is April (12.3 days).

Average UV index in April
West Falmouth, MA

Average UV index in April - West Falmouth, 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 Falmouth, MA

Average cloud cover in April - West Falmouth, MA
  • Average cloud cover in April: 46

The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in April
West Falmouth, MA

Average visibility in April - West Falmouth, 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 Falmouth, Massachusetts, USA

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