April weather forecast
Belmont, MA

Weather in April

April is a mild spring month in Belmont, Massachusetts, with an average temperature varying between 39.7°F (4.3°C) and 55.8°F (13.2°C).

Temperature

In Belmont, the average high-temperature in April increases from a chilly 43.3°F (6.3°C) in March to a mild 55.8°F (13.2°C). In Belmont, the average low-temperature is 39.7°F (4.3°C).

Humidity

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

Rainfall

In Belmont, it is raining for 14.5 days, with typically 2.83" (72mm) of accumulated precipitation. In Belmont, during the entire year, the rain falls for 142.8 days and collects up to 27.36" (695mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Belmont, Massachusetts, in April, snow falls for 1.3 days, with typically accumulated 0.91" (23mm) of snow. Throughout the year, there are 29.6 snowfall days, and 17.8" (452mm) of snow is accumulated.

Daylight

The average length of the day in April is 13h and 24min.
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, sunrise is at 5:40 am and sunset at 7:43 pm EDT.

Sunshine

The average sunshine in April in Belmont is 8.2h.

UV index

In April, the average daily maximum UV index in Belmont is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 3 in April transform into the following instructions:
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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the least humid month in Belmont?

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

What is the average humidity in April in Belmont?

The average relative humidity in April is 70%.

How much does it rain in Belmont in April?

In Belmont, Massachusetts, in April, during 14.5 rainfall days, 2.83" (72mm) of precipitation is typically accumulated.

How many days does it snow in April in Belmont?

In April, it is snowing for 1.3 days. Throughout April, 0.91" (23mm) of snow is accumulated.

How many hours of daylight does Belmont have in April?

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

What time are sunrise and sunset in April in Belmont?

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 Belmont, sunrise is at 5:40 am and sunset at 7:43 pm EDT.

How long on average sun shines in April in Belmont?

The average sunshine duration in April is 8.2h.

How high is the UV index in April in Belmont?

In April, the average daily maximum UV index in Belmont, Massachusetts, is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Belmont, MA

Average temperature in April - Belmont, MA
  • Average high temperature in April: 55.8°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in April: 39.7°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

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Average pressure in April
Belmont, MA

Average pressure in April - Belmont, 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 (29.92"Hg).

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Average wind speed in April
Belmont, MA

Average wind speed in April - Belmont, MA
  • Average wind speed in April: 8.3mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in April
Belmont, MA

Average humidity in April - Belmont, 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
Belmont, MA

Average rainfall in April - Belmont, MA
  • Average rainfall in April: 2.83"

The wettest month (with the highest rainfall) is December (2.95").
The driest month (with the least rainfall) is September (1.3").

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Average rainfall days in April
Belmont, MA

Average rainfall days in April - Belmont, MA
  • Average rainfall days in April: 14.5 days

The months with the highest number of rainy days are May and July (15.3 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in April
Belmont, MA

Average snowfall in April - Belmont, MA
  • Average snowfall in April: 0.91"

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
Belmont, MA

Average snowfall days in April - Belmont, MA
  • Average snowfall days in April: 1.3 days

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

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

Average daylight in April / Average sunshine in April - Belmont, MA
  • Average daylight in April: 13h and 24min

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

  • Average sunshine in April: 8h and 12min

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
Belmont, MA

Average sunshine days in April - Belmont, MA
  • Average sunshine days in April: 13.3 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is April (13.3 days).

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Average UV index in April
Belmont, MA

Average UV index in April - Belmont, 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
Belmont, MA

Average cloud cover in April - Belmont, 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 32).

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Average visibility in April
Belmont, MA

Average visibility in April - Belmont, MA
  • Average visibility in April: 6mi

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).

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