April weather forecast
Westwood, MA

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Weather in April

April in Westwood, Massachusetts, is a mild spring month, with an average temperature varying between 55.9°F (13.3°C) and 40.1°F (4.5°C).

Temperature

With the onset of April, the average high-temperature slightly shifts from March's frosty 44.1°F (6.7°C) to a refreshing 55.9°F (13.3°C). An average nighttime temperature of 40.1°F (4.5°C) is observed during April.

Humidity

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

Rainfall

The month with the most rainfall in Westwood is April, when the rain falls for 9.8 days and typically aggregates up to 0.79" (20mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. In Westwood, in April, during 0.7 snowfall days, 0.16" (4mm) of snow is typically accumulated. Throughout the year, there are 19.5 snowfall days, and 3.74" (95mm) of snow is accumulated.

Daylight

In April, the average length of the day is 13h and 23min.
On the first day of April, sunrise is at 6:26 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 7:43 pm EDT.

Sunshine

The average sunshine in April is 8.2h.

UV index

The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In April, a daily UV index of 3 turns into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

What is the usual temperature for Westwood in April?

In April, the average high-temperature and low-temperature are 55.9°F (13.3°C) and 40.1°F (4.5°C) respectively.

What is the least humid month in Westwood?

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

What is the average humidity in April in Westwood?

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

What is the rainiest month in Westwood?

The month with the most rainfall in Westwood, Massachusetts, is April, when the rain falls for 9.8 days and typically aggregates up to 0.79" (20mm) of precipitation.

How many days does it rain in April in Westwood?

In Westwood, Massachusetts, in April, during 9.8 rainfall days, 0.79" (20mm) of precipitation is typically accumulated.

How many days does it snow in April in Westwood?

In April, it is snowing for 0.7 days. Throughout April, 0.16" (4mm) of snow is accumulated.

How many hours of daylight does Westwood have in April?

In April, the average day length in Westwood is 13h and 23min.

When is the sunrise / sunset in April in Westwood?

In April, on the first day of the month, sunrise is at 6:26 am and sunset at 7:11 pm. On the last day of the month, in Westwood, Massachusetts, sunrise is at 5:40 am and sunset at 7:43 pm EDT.

How many hours of sunshine does Westwood have in April?

In Westwood, Massachusetts, the average sunshine duration in April is 8.2h.

What is the UV index intensity in April in Westwood?

The average daily maximum UV index in April in Westwood, Massachusetts, is 3. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Westwood, MA

Average temperature in April - Westwood, MA
  • Average high temperature in April: 55.9°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in April: 40.1°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

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Average pressure in April
Westwood, MA

Average pressure in April - Westwood, MA
  • Average pressure in April: 29.97"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
Westwood, MA

Average wind speed in April - Westwood, MA
  • Average wind speed in April: 8.4mph

The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in April
Westwood, MA

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

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in April
Westwood, MA

Average rainfall in April - Westwood, MA
  • Average rainfall in April: 0.79"

The wettest month (with the highest rainfall) is April (0.79").
The driest month (with the least rainfall) is September (0.31").

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Average rainfall days in April
Westwood, MA

Average rainfall days in April - Westwood, MA
  • Average rainfall days in April: 9.8 days

The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is February (5.1 days).

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Average snowfall in April
Westwood, MA

Average snowfall in April - Westwood, MA
  • Average snowfall in April: 0.16"

The months with the highest snowfall are March and December (0.91").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in April
Westwood, MA

Average snowfall days in April - Westwood, MA
  • Average snowfall days in April: 0.7 days

The month with the highest number of snowfall days is January (5 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
Westwood, MA

Average daylight in April / Average sunshine in April - Westwood, 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 1min

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 42min).

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Average sunshine days in April
Westwood, MA

Average sunshine days in April - Westwood, MA
  • Average sunshine days in April: 17.8 days

The month with the most sunshine days is November (22 days).
The month with the least sunshine days is July (16.8 days).

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Average UV index in April
Westwood, MA

Average UV index in April - Westwood, 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
Westwood, MA

Average cloud cover in April - Westwood, MA
  • Average cloud cover in April: 46

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in April
Westwood, MA

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

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