Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April's arrival sees a rise in the average high-temperature, jumping from March's fresh 52.2°F (11.2°C) to a refreshing 63.7°F (17.6°C). Throughout the month of April, Hillview expects an average low of 46.2°F (7.9°C).Humidity
The average relative humidity in April is 75%.Rainfall
In Hillview, during April, the rain falls for 12.5 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, 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 in Hillview. April is the last month it regularly snows in Hillview, Illinois. During 0.3 snowfall days, in April, Hillview aggregates 0.04" (1mm) of snow. Throughout the year, in Hillview, there are 22.5 snowfall days, and 5.08" (129mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 16min.On the first day of April in Hillview, 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 is 8.3h.UV index
In Hillview, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 4 in April translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What are April temperatures in Hillview?
What is the average humidity in April in Hillview?
How much does it rain in Hillview in April?
What is the last month it snows in Hillview?
What is the average length of the day in April in Hillview?
When is the sunrise / sunset in April in Hillview?
How many hours of sunshine does Hillview have in April?
How high is the UV index in April in Hillview?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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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