April weather forecastAurora, IL
April
Weather in April
In April, Aurora, Illinois experiences an evident shift in weather towards milder temperatures and higher humidity. The remnants of frost finally disappear, making way for more pleasant weather. The most observable change in this month is a rise in rainfall levels, reaching a peak of 1.26" (32mm). The absence of snow combined with increased daylight and a burgeoning UV index completes the transition into spring. Increased winds sweep across the city, hinting at the atmospheric modifications that spring ushers in.Temperature
Aurora sees an increase in the average high-temperature with the arrival of April, moving from March's chilly 45.1°F (7.3°C) to a refreshing 56.8°F (13.8°C). During April, the nighttime temperature in Aurora averages of 40.3°F (4.6°C).Humidity
In April, the average relative humidity in Aurora is 76%.Rainfall
In Aurora, in April, it is raining for 13.3 days, with typically 1.26" (32mm) of accumulated precipitation. In Aurora, during the entire year, the rain falls for 120.4 days and collects up to 12.32" (313mm) of precipitation.Snowfall
Months with snowfall in Aurora are January through April, October through December. April is the last month it regularly snows. During 1.2 snowfall days, in April, Aurora aggregates 0.59" (15mm) of snow. In Aurora, during the entire year, snow falls for 32.3 days and aggregates up to 4.84" (123mm) of snow.Daylight
In Aurora, the average length of the day in April is 13h and 22min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:19 pm. On the last day of April, sunrise is at 5:49 am and sunset at 7:50 pm CDT.
Sunshine
In April, the average sunshine in Aurora is 7.6h.UV index
The average daily maximum UV index in April in Aurora, Illinois, is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 3 in April, converts into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Aurora, IL
- Average high temperature in April: 56.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in April: 40.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in April
Aurora, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Aurora, IL
- Average wind speed in April: 9.7mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in April
Aurora, IL
- Average humidity in April: 76%
The months with the highest relative humidity are January, February and July (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Aurora, IL
- Average rainfall in April: 1.26"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in April
Aurora, IL
- Average rainfall days in April: 13.3 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in April
Aurora, IL
- Average snowfall in April: 0.59"
The month with the highest snowfall is January (1.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Aurora, IL
- Average snowfall days in April: 1.2 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Aurora, IL
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 7h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Aurora, IL
- Average sunshine days in April: 13.6 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in April
Aurora, IL
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Aurora, IL
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in April
Aurora, 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).
