April weather forecast
New Haven, IL

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Weather in April

April in New Haven, Illinois, is a refreshing spring month, with an average temperature fluctuating between 48.7°F (9.3°C) and 66°F (18.9°C).

Temperature

As New Haven, Illinois, transitions into April, the average high-temperature is observed to rise from a cool 54.5°F (12.5°C) in March to a comfortable 66°F (18.9°C). Throughout the month of April, New Haven reports a steady low-temperature average of 48.7°F (9.3°C).

Humidity

In April, the average relative humidity is 77%.

Rainfall

April is the month with the most rainfall in New Haven. Rain falls for 11.3 days and accumulates 1.06" (27mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In April, the average length of the day in New Haven is 13h and 13min.
On the first day of the month, sunrise is at 6:36 am and sunset at 7:15 pm. On the last day of April, in New Haven, sunrise is at 5:56 am and sunset at 7:42 pm CDT.

Sunshine

The average sunshine in April is 8.7h.

UV index

In New Haven, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In April, the maximum UV index of 4 suggests these recommendations:
Heed the precautions - It is counselled to guard against solar damage. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Boost your sun resistance with garments that are densely woven yet spacious. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are April temperatures in New Haven?

The high-temperature, in April, in New Haven, is 66°F (18.9°C), while the low-temperature averages to 48.7°F (9.3°C).

What is the average humidity in April in New Haven?

In New Haven, the average relative humidity in April is 77%.

What is the wettest month in New Haven?

April is the month with the most rainfall in New Haven, Illinois. Rain falls for 11.3 days and accumulates 1.06" (27mm) of precipitation.

How much does it rain in New Haven in April?

In New Haven, Illinois, in April, during 11.3 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

When it does not snow in New Haven?

In New Haven, Illinois, snow does not fall in April through October.

Does it snow in New Haven in April?

In April, in New Haven, it doesn't snow. March is the latest month when it typically snows.

What is the average length of the day in April in New Haven?

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

What time are sunrise and sunset in April in New Haven?

In April, on the first day of the month, sunrise is at 6:36 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 7:42 pm CDT.

How long on average sun shines in April in New Haven?

The average sunshine duration in April in New Haven is 8.7h.

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

In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
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
New Haven, IL

Average temperature in April - New Haven, IL
  • Average high temperature in April: 66°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in April: 48.7°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in April
New Haven, IL

Average pressure in April - New Haven, IL
  • Average pressure in April: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in April
New Haven, IL

Average wind speed in April - New Haven, IL
  • Average wind speed in April: 9.9mph

The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in April
New Haven, IL

Average humidity in April - New Haven, IL
  • Average humidity in April: 77%

The months with the highest relative humidity are May and July (79%).
The month with the lowest relative humidity is October (69%).

Average rainfall in April
New Haven, IL

Average rainfall in April - New Haven, IL
  • Average rainfall in April: 1.06"

The wettest month (with the highest rainfall) is April (1.06").
The driest month (with the least rainfall) is September (0.28").

Average rainfall days in April
New Haven, IL

Average rainfall days in April - New Haven, IL
  • Average rainfall days in April: 11.3 days

The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is January (5 days).

Average snowfall in April
New Haven, IL

Average snowfall in April - New Haven, IL
  • Average snowfall in April: 0"

The months with the highest snowfall are January and February (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in April
New Haven, IL

Average snowfall days in April - New Haven, IL
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is January (3.3 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
New Haven, IL

Average daylight in April / Average sunshine in April - New Haven, IL
  • Average daylight in April: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in April: 8h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in April
New Haven, IL

Average sunshine days in April - New Haven, IL
  • Average sunshine days in April: 17.7 days

The month with the most sunshine days is October (23.4 days).
The month with the least sunshine days is May (15.8 days).

Average UV index in April
New Haven, IL

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

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

Average cloud cover in April
New Haven, IL

Average cloud cover in April - New Haven, IL
  • Average cloud cover in April: 41

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 27).

Average visibility in April
New Haven, IL

Average visibility in April - New Haven, 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 Haven, Illinois, USA

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