April weather forecast
Northampton, MA

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Weather in April

With spring in full bloom, April brings a significant temperature shift, with the mercury ranging from 37.2°F (2.9°C) to 55°F (12.8°C). Natural beauty starts to manifest itself as the greenery in Northampton is revived by the annual spring rain. With more hours of daylight and a pleasingly light breeze in the air, locals and tourists alike can enjoy the outdoor bloom. April marks a noticeable reduction in snowfall, indicating that winter is finally behind us. Despite occasionally grey skies, Northampton shines with new life in April.

Temperature

With the onset of April, Northampton's average high-temperature sees a rise, moving from March's icy 41.7°F (5.4°C) to a fresh 55°F (12.8°C). An average nighttime temperature of 37.2°F (2.9°C) is witnessed throughout April.

Humidity

April is the least humid month, with an average relative humidity of 72%.

Rainfall

In April, in Northampton, Massachusetts, the rain falls for 12.3 days. Throughout April, 1.22" (31mm) of precipitation is accumulated. Throughout the year, there are 134.1 rainfall days, and 14.84" (377mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall. In Northampton, in April, snow falls for 1.2 days, with typically accumulated 0.16" (4mm) of snow. Throughout the year, in Northampton, there are 28.6 snowfall days, and 6.5" (165mm) of snow is accumulated.

Daylight

The average length of the day in April is 13h and 24min.
On the first day of April, sunrise is at 6:31 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 7:49 pm EDT.

Sunshine

The average sunshine in April in Northampton is 8.3h.

UV index

In Northampton, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 3 in April leads to these recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Around midday, solar radiation is most harmful; hence, exposure should be limited. During bright days, sunglasses that offer UVA and UVB defense are recommended. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the average April temperature in Northampton?

April temperatures in Northampton, Massachusetts, vary between a high-temperature of 55°F (12.8°C) and a low-temperature of 37.2°F (2.9°C).

What is the least humid month in Northampton?

The least humid month in Northampton is April, with an average relative humidity of 72%.

What is the average humidity in April in Northampton?

In Northampton, the average relative humidity in April is 72%.

How much does it rain in Northampton in April?

In April, in Northampton, Massachusetts, the rain falls for 12.3 days. Throughout April, 1.22" (31mm) of precipitation is accumulated.

How many days does it snow in April in Northampton?

In Northampton, during April, snow falls for 1.2 days and regularly aggregates up to 0.16" (4mm) of snow.

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

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

What time are sunrise and sunset in April in Northampton?

On the first day of April, sunrise is at 6:31 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 7:49 pm EDT.

How many hours of sunshine does Northampton have in April?

In Northampton, the average sunshine duration in April is 8.3h.

What is the UV index reading in April in Northampton?

In April, the average daily maximum UV index in Northampton is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
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
Northampton, MA

Average temperature in April - Northampton, MA
  • Average high temperature in April: 55°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 (30.4°F).

  • Average low temperature in April: 37.2°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in April
Northampton, MA

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

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in April
Northampton, MA

Average wind speed in April - Northampton, MA
  • Average wind speed in April: 7.7mph

The windiest months (with the highest average wind speed) are January, February and March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in April
Northampton, MA

Average humidity in April - Northampton, MA
  • Average humidity in April: 72%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in April
Northampton, MA

Average rainfall in April - Northampton, MA
  • Average rainfall in April: 1.22"

The wettest month (with the highest rainfall) is October (1.61").
The driest month (with the least rainfall) is February (0.91").

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Average rainfall days in April
Northampton, MA

Average rainfall days in April - Northampton, MA
  • Average rainfall days in April: 12.3 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (8.5 days).

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Average snowfall in April
Northampton, MA

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

The month with the highest snowfall is February (1.85").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in April
Northampton, MA

Average snowfall days in April - Northampton, MA
  • Average snowfall days in April: 1.2 days

The month with the highest number of snowfall days is February (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
Northampton, MA

Average daylight in April / Average sunshine in April - Northampton, 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 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in April
Northampton, MA

Average sunshine days in April - Northampton, MA
  • Average sunshine days in April: 14.7 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (13.7 days).

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Average UV index in April
Northampton, MA

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

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

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Average cloud cover in April
Northampton, MA

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

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in April
Northampton, MA

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

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

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Northampton, Massachusetts, USA

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