April weather forecast
Swansea, MA

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Weather in April

April is a cool spring month in Swansea, Massachusetts, with an average temperature fluctuating between 54.1°F (12.3°C) and 41.5°F (5.3°C).

Temperature

April's onset is marked by a temperature increase, moving from a chilly 43.7°F (6.5°C) in March to a cool 54.1°F (12.3°C). Swansea experiences an average low-temperature reading of 41.5°F (5.3°C) throughout April.

Humidity

The least humid month is April, with an average relative humidity of 73%.

Rainfall

In Swansea, during April, the rain falls for 14.1 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Swansea, during the entire year, the rain falls for 135.4 days and collects up to 18.31" (465mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In Swansea, in April, during 0.9 snowfall days, 0.51" (13mm) of snow is typically accumulated. Throughout the year, in Swansea, there are 21.2 snowfall days, and 7.17" (182mm) of snow is accumulated.

Daylight

The average length of the day in April in Swansea is 13h and 22min.
On the first day of the month, sunrise is at 6:26 am and sunset at 7:10 pm. On the last day of April, in Swansea, sunrise is at 5:41 am and sunset at 7:42 pm EDT.

Sunshine

In Swansea, the average sunshine in April is 8.3h.

UV index

The average daily maximum UV index in April in Swansea is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In April, the maximum UV index of 3 transforms into these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

What is the temperature in April in Swansea?

The average high-temperature and low-temperature during April are 54.1°F (12.3°C) and 41.5°F (5.3°C) respectively.

What is the least humid month in Swansea?

April is the least humid month in Swansea, with an average relative humidity of 73%.

What is the average humidity in April in Swansea?

The average relative humidity in April in Swansea is 73%.

How many days does it rain in April in Swansea?

In Swansea, in April, it is raining for 14.1 days, with typically 1.85" (47mm) of accumulated precipitation.

How much does it snow in Swansea in April?

In Swansea, Massachusetts, in April, during 0.9 snowfall days, 0.51" (13mm) of snow is typically accumulated.

How many hours of daylight does Swansea have in April?

In April, the average day length is 13h and 22min.

When are sunrise and sunset in April in Swansea?

In April, on the first day of the month, sunrise is at 6:26 am and sunset at 7:10 pm. On the last day of the month, in Swansea, Massachusetts, sunrise is at 5:41 am and sunset at 7:42 pm EDT.

How long on average sun shines in April in Swansea?

The average sunshine duration in April in Swansea is 8.3h.

How high is the UV index in April in Swansea?

The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
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
Swansea, MA

Average temperature in April - Swansea, MA
  • Average high temperature in April: 54.1°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in April: 41.5°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

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Average pressure in April
Swansea, MA

Average pressure in April - Swansea, MA
  • Average pressure in April: 29.98"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in April
Swansea, MA

Average wind speed in April - Swansea, MA
  • Average wind speed in April: 10.1mph

The windiest months (with the highest average wind speed) are January, February and March (10.9mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

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Average humidity in April
Swansea, MA

Average humidity in April - Swansea, MA
  • Average humidity in April: 73%

The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in April
Swansea, MA

Average rainfall in April - Swansea, MA
  • Average rainfall in April: 1.85"

The wettest month (with the highest rainfall) is October (1.97").
The driest month (with the least rainfall) is September (1.06").

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Average rainfall days in April
Swansea, MA

Average rainfall days in April - Swansea, MA
  • Average rainfall days in April: 14.1 days

The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is February (6.9 days).

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Average snowfall in April
Swansea, MA

Average snowfall in April - Swansea, MA
  • Average snowfall in April: 0.51"

The month with the highest snowfall is March (2.13").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in April
Swansea, MA

Average snowfall days in April - Swansea, MA
  • Average snowfall days in April: 0.9 days

The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in April / Average sunshine in April - Swansea, 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 months with the least sunshine are February and December (Average sunshine: 4h and 54min).

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Average sunshine days in April
Swansea, MA

Average sunshine days in April - Swansea, MA
  • Average sunshine days in April: 13.6 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is April (13.6 days).

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Average UV index in April
Swansea, MA

Average UV index in April - Swansea, MA
  • Average UV index in April: 3

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).

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Average cloud cover in April
Swansea, MA

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

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in April
Swansea, MA

Average visibility in April - Swansea, 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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Swansea, Massachusetts, USA

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