April weather forecast
Hamilton, MA

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Weather in April

April in Hamilton, Massachusetts, is a fresh spring month, with an average temperature ranging between min 40.5°F (4.7°C) and max 50.9°F (10.5°C).

Temperature

The transition from March to April brings a temperature rise, with average high-temperatures increasing from a cold 41°F (5°C) to a cool 50.9°F (10.5°C). The average nighttime temperature lowers to a cold 40.5°F (4.7°C) throughout April.

Humidity

In Hamilton, the average relative humidity in April is 74%.

Rainfall

In Hamilton, in April, during 10 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Hamilton, during the entire year, the rain falls for 113.7 days and collects up to 9.69" (246mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.8 snowfall days, in April, Hamilton aggregates 0.2" (5mm) of snow. In Hamilton, during the entire year, snow falls for 23.9 days and aggregates up to 3.35" (85mm) of snow.

Daylight

The average length of the day in April is 13h and 25min.
On the first day of April, sunrise is at 6:24 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 7:42 pm EDT.

Sunshine

In Hamilton, the average sunshine in April is 8.3h.

UV index

The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: A maximum high UV index of 3 in April translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are April temperatures?

The high-temperature during April is 50.9°F (10.5°C) and the low-temperature is 40.5°F (4.7°C).

What is the average humidity in April?

In Hamilton, Massachusetts, the average relative humidity in April is 74%.

How many days does it rain in April?

In Hamilton, in April, it is raining for 10 days, with typically 0.91" (23mm) of accumulated precipitation.

What is the last month it snows in Hamilton?

April is the last month it regularly snows. During 0.8 snowfall days, in April, Hamilton aggregates 0.2" (5mm) of snow.

What is the average length of the day in April?

In Hamilton, the average day length in April is 13h and 25min.

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 7:09 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?

The average sunshine duration in April is 8.3h.

What is the UV index intensity in April?

The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Hamilton, MA

Average temperature in April - Hamilton, MA
  • Average high temperature in April: 50.9°F

The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (34.3°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 (24.6°F).

Average pressure in April
Hamilton, MA

Average pressure in April - Hamilton, 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
Hamilton, MA

Average wind speed in April - Hamilton, MA
  • Average wind speed in April: 10.9mph

The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

Average humidity in April
Hamilton, MA

Average humidity in April - Hamilton, MA
  • Average humidity in April: 74%

The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is November (73%).

Average rainfall in April
Hamilton, MA

Average rainfall in April - Hamilton, MA
  • Average rainfall in April: 0.91"

The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in April
Hamilton, MA

Average rainfall days in April - Hamilton, MA
  • Average rainfall days in April: 10 days

The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is January (6.4 days).

Average snowfall in April
Hamilton, MA

Average snowfall in April - Hamilton, MA
  • Average snowfall in April: 0.2"

The month with the highest snowfall is March (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in April
Hamilton, MA

Average snowfall days in April - Hamilton, MA
  • Average snowfall days in April: 0.8 days

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in April / Average sunshine in April - Hamilton, MA
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in April: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days in April
Hamilton, MA

Average sunshine days in April - Hamilton, MA
  • Average sunshine days in April: 18.4 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (16 days).

Average UV index in April
Hamilton, MA

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

The months with the highest UV index are 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
Hamilton, MA

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

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in April
Hamilton, MA

Average visibility in April - Hamilton, 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).

Hamilton, Massachusetts, USA

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