April weather forecast
Lynn, MA

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Large rocks on the shores of the coast of Lynn Massachusetts
Large rocks on the shores of the coast of Lynn Massachusetts

Weather in April

April in Lynn experiences a significant leap from winter, as temperatures start to climb. Snowfall is supreme rarity with an almost ignorable count of just 0.59" (15mm). Sea temperatures start to pick up, though they are still somewhat chilly for swimming. Breezes are gentler and there's a discernible increase in daylight hours, enabling more time for outdoor activities. Views of cloud-strewn skies enthrall denizens and visitors alike, further adding to the charm of Lynn during this time.

Temperature

Observing a rise in April, the average high-temperature goes from March's cold 42.4°F (5.8°C) to a cool 54.1°F (12.3°C). An average low-temperature of 40.6°F (4.8°C) is noted in Lynn during the month of April.

Humidity

April is the least humid month, with an average relative humidity of 70%.

Rainfall

In Lynn, during April, the rain falls for 14.6 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, there are 144.9 rainfall days, and 27.91" (709mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. April is the last month it regularly snows in Lynn. During 1 snowfall days, in April, Lynn aggregates 0.59" (15mm) of snow. Throughout the year, there are 29.9 snowfall days, and 15.59" (396mm) of snow is accumulated.

Ocean temperature

In Lynn, in April, the average water temperature is 43.2°F (6.2°C).
Note: Swimming at temperatures less than 50°F (10°C) in 43.2°F (6.2°C) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 55.4°F (13°C) without adequate warmth can be discomforting.

Daylight

The average length of the day in April is 13h and 24min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:10 pm. On the last day of April, sunrise is at 5:38 am and sunset at 7:42 pm EDT.

Sunshine

In Lynn, the average sunshine in April is 7.9h.

UV index

The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In April, the maximum UV index of 3 suggests these recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

What is the usual temperature for Lynn in April?

Lynn in April has an average high-temperature of 54.1°F (12.3°C) and an average low-temperature of 40.6°F (4.8°C).

What is the least humid month?

With an average relative humidity of 70%, April is the least humid month.

What is the average humidity in April?

In Lynn, the average relative humidity in April is 70%.

How many days does it rain in April?

In Lynn, during April, the rain falls for 14.6 days and regularly aggregates up to 2.87" (73mm) of precipitation.

What is the last month it snows?

April is the last month it regularly snows. During 1 snowfall days, in April, Lynn aggregates 0.59" (15mm) of snow.

What is the water temperature in April?

In Lynn, the average seawater temperature in April is 43.2°F (6.2°C). Swimming in 43.2°F (6.2°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Lynn have in April?

The average day length in April is 13h and 24min.

When are sunrise and sunset in April?

In April, on the first day of the month, sunrise is at 6:24 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 7:42 pm EDT.

How long on average sun shines in April?

In Lynn, the average sunshine duration in April is 7.9h.

How high is the UV index in April?

In April, the average daily maximum UV index 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
Lynn, MA

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

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in April: 40.6°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in April
Lynn, MA

Average pressure in April - Lynn, MA
  • Average pressure in April: 29.97"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in April
Lynn, MA

Average wind speed in April - Lynn, MA
  • Average wind speed in April: 9.2mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in April
Lynn, MA

Average humidity in April - Lynn, MA
  • Average humidity in April: 70%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (70%).

Average rainfall in April
Lynn, MA

Average rainfall in April - Lynn, MA
  • Average rainfall in April: 2.87"

The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in April
Lynn, MA

Average rainfall days in April - Lynn, MA
  • Average rainfall days in April: 14.6 days

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (7.1 days).

Average snowfall in April
Lynn, MA

Average snowfall in April - Lynn, MA
  • Average snowfall in April: 0.59"

The month with the highest snowfall is February (4.61").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
Lynn, MA

Average snowfall days in April - Lynn, MA
  • Average snowfall days in April: 1 days

The months with the highest number of snowfall days are January and February (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average sea temperature in April
Lynn, MA

Average sea temperature in April - Lynn, MA
  • Average sea temperature in April: 43.2°F

The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).

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

Average daylight in April / Average sunshine in April - Lynn, 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 6min).

  • Average sunshine in April: 7h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

Average sunshine days in April
Lynn, MA

Average sunshine days in April - Lynn, MA
  • Average sunshine days in April: 13.2 days

The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is April (13.2 days).

Average UV index in April
Lynn, MA

Average UV index in April - Lynn, 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, November and December (UV index 2).

Average cloud cover in April
Lynn, MA

Average cloud cover in April - Lynn, MA
  • Average cloud cover in April: 47

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in April
Lynn, MA

Average visibility in April - Lynn, 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).

Lynn, Massachusetts, USA

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