April weather forecast
Winthrop, MA

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Weather in April

April is a cool spring month in Winthrop, Massachusetts, with an average temperature varying between 40.5°F (4.7°C) and 55.2°F (12.9°C).

Temperature

As April sets, the average high-temperature shows an increase, moving up from a chilly 43.5°F (6.4°C) in March to a cool 55.2°F (12.9°C). Winthrop observes an average nighttime low-temperature of 40.5°F (4.7°C) during the month of April.

Humidity

With an average relative humidity of 69%, April is the least humid month.

Rainfall

The months with the most rainfall in Winthrop are March, April and December, with an average 2.91" (74mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Winthrop, in April, snow falls for 1 days, with typically accumulated 0.79" (20mm) of snow. In Winthrop, during the entire year, snow falls for 29.8 days and aggregates up to 15.75" (400mm) of snow.

Ocean temperature

In April, the average ocean temperature is 43.2°F (6.2°C).
Note: Swimming in 43.2°F (6.2°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 Winthrop is 13h and 24min.
On the first day of April in Winthrop, Massachusetts, sunrise is at 6:24 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 7:42 pm EDT.

Sunshine

The average sunshine in April is 8h.

UV index

In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In April, the UV index of 3 transforms into the following advice:
Ensure safety - Sun damage prevention is strongly urged. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

What are April temperatures in Winthrop?

The high-temperature in Winthrop, Massachusetts, during April is 55.2°F (12.9°C) and the low-temperature is 40.5°F (4.7°C).

What is the least humid month in Winthrop?

With an average relative humidity of 69%, April is the least humid month in Winthrop.

What is the average humidity in April in Winthrop?

The average relative humidity in April is 69%.

What is the rainiest month in Winthrop?

The months with the most rainfall in Winthrop, Massachusetts, are March, April and December, with an average 2.91" (74mm) of precipitation.

How many days does it rain in April in Winthrop?

In Winthrop, in April, it is raining for 14.8 days, with typically 2.91" (74mm) of accumulated precipitation.

How much does it snow in Winthrop in April?

In April, in Winthrop, Massachusetts, it is snowing for 1 days. Throughout April, 0.79" (20mm) of snow is accumulated.

What is the water temperature in April in Winthrop?

In Winthrop, Massachusetts, in April, the average water temperature is 43.2°F (6.2°C). Swimming in 43.2°F (6.2°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.

What is the average length of the day in April in Winthrop?

In Winthrop, Massachusetts, the average day length in April is 13h and 24min.

What time are sunrise and sunset in April in Winthrop?

On the first day of April in Winthrop, Massachusetts, sunrise is at 6:24 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 7:42 pm EDT.

How many hours of sunshine does Winthrop have in April?

The average sunshine duration in April in Winthrop is 8h.

What is the UV index intensity in April in Winthrop?

The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Winthrop, MA

Average temperature in April - Winthrop, MA
  • Average high temperature in April: 55.2°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in April: 40.5°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in April
Winthrop, MA

Average pressure in April - Winthrop, 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 (29.93"Hg).

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Average wind speed in April
Winthrop, MA

Average wind speed in April - Winthrop, MA
  • Average wind speed in April: 8.6mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in April
Winthrop, MA

Average humidity in April - Winthrop, MA
  • Average humidity in April: 69%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (69%).

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Average rainfall in April
Winthrop, MA

Average rainfall in April - Winthrop, MA
  • Average rainfall in April: 2.91"

The wettest months (with the highest rainfall) are March, April and December (2.91").
The driest month (with the least rainfall) is September (1.26").

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Average rainfall days in April
Winthrop, MA

Average rainfall days in April - Winthrop, MA
  • Average rainfall days in April: 14.8 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.9 days).

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Average snowfall in April
Winthrop, MA

Average snowfall in April - Winthrop, MA
  • Average snowfall in April: 0.79"

The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Winthrop, MA

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

The months with the highest number of snowfall days are January and February (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in April
Winthrop, MA

Average sea temperature in April - Winthrop, 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).

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

Average daylight in April / Average sunshine in April - Winthrop, 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: 8h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in April
Winthrop, MA

Average sunshine days in April - Winthrop, MA
  • Average sunshine days in April: 13 days

The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is April (13 days).

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Average UV index in April
Winthrop, MA

Average UV index in April - Winthrop, 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).

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Average cloud cover in April
Winthrop, MA

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

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in April
Winthrop, MA

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

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