April weather forecast
Hillview, IL

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Weather in April

April is a refreshing spring month in Hillview, Illinois, with an average temperature varying between 46.2°F (7.9°C) and 63.7°F (17.6°C).

Temperature

April shows a rise in the average high-temperature, moving from March's fresh 52.2°F (11.2°C) to a refreshing 63.7°F (17.6°C). In April, Hillview experiences an average nighttime temperature of 46.2°F (7.9°C).

Humidity

In Hillview, the average relative humidity in April is 75%.

Rainfall

In Hillview, in April, during 12.5 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, in Hillview, there are 127.3 rainfall days, and 17.24" (438mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.3 snowfall days, in April, Hillview aggregates 0.04" (1mm) of snow. In Hillview, during the entire year, snow falls for 22.5 days and aggregates up to 5.08" (129mm) of snow.

Daylight

In April, the average length of the day is 13h and 16min.
On the first day of April, sunrise is at 6:45 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:55 pm CDT.

Sunshine

The average sunshine in April in Hillview is 8.3h.

UV index

The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 4 during April morphs into the following directions:
Undertake protective steps - Preventing sun damage is advised. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Jun 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in April?

The high-temperature, in April, in Hillview, is 63.7°F (17.6°C), while the low-temperature averages to 46.2°F (7.9°C).

What is the average humidity in April?

In Hillview, the average relative humidity in April is 75%.

How many days does it rain in April?

In April, the rain falls for 12.5 days. Throughout April, 1.89" (48mm) of precipitation is accumulated.

What is the last month it snows?

April is the last month it regularly snows. During 0.3 snowfall days, in April, Hillview aggregates 0.04" (1mm) of snow.

How many hours of daylight does Hillview have in April?

In Hillview, the average day length in April is 13h and 16min.

When is the sunrise / sunset in April in Hillview?

In April, on the first day of the month, sunrise is at 6:45 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:55 pm CDT.

How many hours of sunshine does Hillview have in April?

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

What is the UV index intensity in April?

In Hillview, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Hillview, IL

Average temperature in April - Hillview, IL
  • Average high temperature in April: 63.7°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in April: 46.2°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

Average pressure in April
Hillview, IL

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in April
Hillview, IL

Average wind speed in April - Hillview, IL
  • Average wind speed in April: 9.8mph

The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).

Average humidity in April
Hillview, IL

Average humidity in April - Hillview, IL
  • Average humidity in April: 75%

The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in April
Hillview, IL

Average rainfall in April - Hillview, IL
  • Average rainfall in April: 1.89"

The wettest month (with the highest rainfall) is June (2.44").
The driest months (with the least rainfall) are January and November (0.83").

Average rainfall days in April
Hillview, IL

Average rainfall days in April - Hillview, IL
  • Average rainfall days in April: 12.5 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (5.5 days).

Average snowfall in April
Hillview, IL

Average snowfall in April - Hillview, IL
  • Average snowfall in April: 0.04"

The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in April
Hillview, IL

Average snowfall days in April - Hillview, IL
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is January (7.2 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
Hillview, IL

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in April: 8h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in April
Hillview, IL

Average sunshine days in April - Hillview, IL
  • Average sunshine days in April: 14.9 days

The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in April
Hillview, IL

Average UV index in April - Hillview, IL
  • Average UV index in April: 4

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, November and December (UV index 2).

Average cloud cover in April
Hillview, IL

Average cloud cover in April - Hillview, IL
  • Average cloud cover in April: 43

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 29).

Average visibility in April
Hillview, IL

Average visibility in April - Hillview, 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).

Hillview, Illinois, USA

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