April weather forecast
New Boston, IL

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Weather in April

April is a mild spring month in New Boston, Illinois, with an average temperature varying between 60.1°F (15.6°C) and 43.2°F (6.2°C).

Temperature

With the onset of April, New Boston sees a temperature rise, with the average high-temperature moving from March's frosty 47.8°F (8.8°C) to a mild 60.1°F (15.6°C). During the nights in April, the temperature averages to a chilly 43.2°F (6.2°C).

Humidity

The average relative humidity in April is 74%.

Rainfall

In New Boston, in April, it is raining for 15.2 days, with typically 3.23" (82mm) of accumulated precipitation. In New Boston, during the entire year, the rain falls for 146.3 days and collects up to 30.31" (770mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.9 snowfall days, in April, New Boston aggregates 1.02" (26mm) of snow. In New Boston, during the entire year, snow falls for 34.1 days and aggregates up to 14.69" (373mm) of snow.

Daylight

The average length of the day in April is 13h and 21min.
On the first day of the month, sunrise is at 6:45 am and sunset at 7:29 pm. On the last day of April, in New Boston, sunrise is at 6:01 am and sunset at 8:00 pm CDT.

Sunshine

In April, the average sunshine is 8h.

UV index

The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In April, an average UV index of 4 transforms into the following instructions:
Take precautions - Protection against sun damage is advised. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

What is the temperature in April?

The average high-temperature and low-temperature during April are 60.1°F (15.6°C) and 43.2°F (6.2°C) respectively.

What is the average humidity in April?

In April, the average relative humidity is 74%.

How much does it rain in April?

In April, the rain falls for 15.2 days. Throughout April, 3.23" (82mm) of precipitation is accumulated.

What is the last month it snows?

April is the last month it regularly snows. During 0.9 snowfall days, in April, New Boston aggregates 1.02" (26mm) of snow.

What is the average length of the day in April?

In New Boston, the average day length in April is 13h and 21min.

When is the sunrise / sunset in April?

On the first day of April, sunrise is at 6:45 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:00 pm CDT.

How many hours of sunshine does New Boston have in April?

The average sunshine duration in April in New Boston is 8h.

What is the UV index intensity in April in New Boston?

In New Boston, Illinois, the average daily maximum UV index in April is 4. 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
New Boston, IL

Average temperature in April - New Boston, IL
  • Average high temperature in April: 60.1°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in April: 43.2°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 (16.7°F).

Average pressure in April
New Boston, IL

Average pressure in April - New Boston, IL
  • Average pressure in April: 29.93"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in April
New Boston, IL

Average wind speed in April - New Boston, IL
  • Average wind speed in April: 10.6mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in April
New Boston, IL

Average humidity in April - New Boston, IL
  • Average humidity in April: 74%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall in April
New Boston, IL

Average rainfall in April - New Boston, IL
  • Average rainfall in April: 3.23"

The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is December (1.42").

Average rainfall days in April
New Boston, IL

Average rainfall days in April - New Boston, IL
  • Average rainfall days in April: 15.2 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (5.3 days).

Average snowfall in April
New Boston, IL

Average snowfall in April - New Boston, IL
  • Average snowfall in April: 1.02"

The month with the highest snowfall is January (4.49").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
New Boston, IL

Average snowfall days in April - New Boston, IL
  • Average snowfall days in April: 0.9 days

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
New Boston, IL

Average daylight in April / Average sunshine in April - New Boston, IL
  • Average daylight in April: 13h and 2min

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

  • Average sunshine in April: 8h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in April
New Boston, IL

Average sunshine days in April - New Boston, IL
  • Average sunshine days in April: 12.2 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (8.4 days).

Average UV index in April
New Boston, IL

Average UV index in April - New Boston, IL
  • Average UV index in April: 4

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in April
New Boston, IL

Average cloud cover in April - New Boston, IL
  • Average cloud cover in April: 45

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in April
New Boston, IL

Average visibility in April - New Boston, IL
  • 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).

New Boston, Illinois, USA

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