April weather forecast
Falmouth, MA

Weather in April

April is a frosty spring month in Falmouth, Massachusetts, with an average temperature varying between 42.6°F (5.9°C) and 48.7°F (9.3°C).

Temperature

In Falmouth, the average high-temperature in April slightly increases from a cold 41.5°F (5.3°C) in March to a frosty 48.7°F (9.3°C). The average low-temperature, in Falmouth, is 42.6°F (5.9°C).

Humidity

In April, the average relative humidity is 77%.

Rainfall

In April, the rain falls for 6.9 days. Throughout April, 0.51" (13mm) of precipitation is accumulated. Throughout the year, there are 69.4 rainfall days, and 5.31" (135mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall.

Ocean temperature

In Falmouth, Massachusetts, in April, the average water temperature is 43.9°F (6.6°C).
Note: 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.

Daylight

In April, the average length of the day in Falmouth is 13h and 22min.
On the first day of April in Falmouth, sunrise is at 6:24 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 7:39 pm EDT.

Sunshine

In April, the average sunshine is 8.3h.

UV index

In April, the average daily maximum UV index in Falmouth is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 3 in April interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in April in Falmouth?

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

How much does it rain in Falmouth in April?

In Falmouth, Massachusetts, in April, during 6.9 rainfall days, 0.51" (13mm) of precipitation is typically accumulated.

When it does not snow in Falmouth?

In Falmouth, Massachusetts, snow does not fall in April through November.

Does it snow in Falmouth in April?

In April, it doesn't snow. March is the latest month when it typically snows.

What is the water temperature in April in Falmouth?

In Falmouth, Massachusetts, in April, the average water temperature is 43.9°F (6.6°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Falmouth have in April?

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

When is the sunrise / sunset in April in Falmouth?

In April, on the first day of the month, sunrise is at 6:24 am and sunset at 7:07 pm. On the last day of the month, in Falmouth, Massachusetts, sunrise is at 5:40 am and sunset at 7:39 pm EDT.

How long on average sun shines in April in Falmouth?

In April, the average sunshine duration in Falmouth is 8.3h.

What is the UV index intensity in April in Falmouth?

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

Average temperature in April
Falmouth, MA

Average temperature in April - Falmouth, MA
  • Average high temperature in April: 48.7°F

The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in April: 42.6°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 (29.8°F).

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Average pressure in April
Falmouth, MA

Average pressure in April - 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).

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Average wind speed in April
Falmouth, MA

Average wind speed in April - Falmouth, MA
  • Average wind speed in April: 13.4mph

The windiest month (with the highest average wind speed) is January (15.3mph).
The calmest months (with the lowest average wind speed) are July and August (10.2mph).

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Average humidity in April
Falmouth, MA

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

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is November (74%).

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Average rainfall in April
Falmouth, MA

Average rainfall in April - Falmouth, MA
  • Average rainfall in April: 0.51"

The wettest month (with the highest rainfall) is October (0.71").
The driest months (with the least rainfall) are July, August and September (0.31").

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Average rainfall days in April
Falmouth, MA

Average rainfall days in April - Falmouth, MA
  • Average rainfall days in April: 6.9 days

The month with the highest number of rainy days is July (7.7 days).
The month with the least rainy days is September (4.6 days).

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Average snowfall in April
Falmouth, MA

Average snowfall in April - Falmouth, MA
  • Average snowfall in April: 0"

The month with the highest snowfall is December (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in April
Falmouth, MA

Average snowfall days in April - Falmouth, MA
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in April
Falmouth, MA

Average sea temperature in April - 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).

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

Average daylight in April / Average sunshine in April - Falmouth, MA
  • Average daylight in April: 13h and 22min

The month with the longest days is June (Average daylight: 15h and 8min).
The month with the shortest days is December (Average daylight: 9h and 14min).

  • Average sunshine in April: 8h and 18min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).

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Average sunshine days in April
Falmouth, MA

Average sunshine days in April - Falmouth, MA
  • Average sunshine days in April: 22 days

The month with the most sunshine days is September (23.9 days).
The month with the least sunshine days is February (20.8 days).

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Average UV index in April
Falmouth, MA

Average UV index in April - 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).

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Average cloud cover in April
Falmouth, MA

Average cloud cover in April - Falmouth, MA
  • Average cloud cover in April: 45

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).

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Average visibility in April
Falmouth, MA

Average visibility in April - 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).

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