April weather forecastPeoria Heights, IL
April
Weather in April
April in Peoria Heights, Illinois, is an enjoyable spring month, with an average temperature fluctuating between 44.2°F (6.8°C) and 60.8°F (16°C).Temperature
April brings a temperature change, with average high-temperatures moving from March's chilly 49.1°F (9.5°C) to a comfortable 60.8°F (16°C). Nighttime temperatures consistently average a chilly 44.2°F (6.8°C) during April.Humidity
The average relative humidity in April is 74%.Rainfall
In April, the rain falls for 13.3 days. Throughout April, 2.01" (51mm) of precipitation is accumulated. In Peoria Heights, Illinois, during the entire year, the rain falls for 129.2 days and collects up to 17.24" (438mm) of precipitation.Snowfall
Months with snowfall in Peoria Heights are January through April, October through December. April is the last month it regularly snows. During 0.5 snowfall days, in April, Peoria Heights aggregates 0.47" (12mm) of snow. Throughout the year, there are 26.7 snowfall days, and 7.09" (180mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 20min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:23 pm. On the last day of April, sunrise is at 5:56 am and sunset at 7:53 pm CDT.
Sunshine
In Peoria Heights, the average sunshine in April is 8.2h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 4 during April translates into these guidelines:
Adopt protective measures - It is advised to guard against sun damage. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Peoria Heights, IL
- Average high temperature in April: 60.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in April: 44.2°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in April
Peoria Heights, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Peoria Heights, IL
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in April
Peoria Heights, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Peoria Heights, IL
- Average rainfall in April: 2.01"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in April
Peoria Heights, IL
- Average rainfall days in April: 13.3 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in April
Peoria Heights, IL
- Average snowfall in April: 0.47"
The month with the highest snowfall is January (2.36").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Peoria Heights, IL
- Average snowfall days in April: 0.5 days
The month with the highest number of snowfall days is January (9 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
Peoria Heights, IL
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 8h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Peoria Heights, IL
- Average sunshine days in April: 14.8 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in April
Peoria Heights, 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
Peoria Heights, IL
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in April
Peoria Heights, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





