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
As Cave-In-Rock, Illinois, transitions into April, the average high-temperature shows a change, moving from a mild 55.8°F (13.2°C) in March to a still refreshing 66.7°F (19.3°C). In the month of April, the nighttime temperature dips to a steady average of 48.9°F (9.4°C).Humidity
In April, the average relative humidity in Cave-In-Rock is 77%.Rainfall
In Cave-In-Rock, in April, during 13.6 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. In Cave-In-Rock, Illinois, during the entire year, the rain falls for 148.8 days and collects up to 27.05" (687mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Cave-In-Rock aggregates 0.04" (1mm) of snow. Throughout the year, there are 15 snowfall days, and 4.8" (122mm) of snow is accumulated.Daylight
In April, the average length of the day in Cave-In-Rock is 13h and 11min.On the first day of April, sunrise is at 6:36 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 7:42 pm CDT.
Sunshine
In Cave-In-Rock, Illinois, the average sunshine in April is 8.7h.UV index
The average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: An average UV index of 5 in April transforms into this advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What are April temperatures in Cave-In-Rock?
What is the average humidity in April in Cave-In-Rock?
How much does it rain in Cave-In-Rock in April?
What is the last month it snows in Cave-In-Rock?
What is the average length of the day in April in Cave-In-Rock?
When is the sunrise / sunset in April in Cave-In-Rock?
How long on average sun shines in April in Cave-In-Rock?
How high is the UV index in April in Cave-In-Rock?
Average temperature in April
Cave-In-Rock, IL
- Average high temperature in April: 66.7°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in April: 48.9°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in April
Cave-In-Rock, IL
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Cave-In-Rock, IL
- Average wind speed in April: 9.4mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in April
Cave-In-Rock, IL
- Average humidity in April: 77%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Cave-In-Rock, IL
- Average rainfall in April: 2.91"
The wettest month (with the highest rainfall) is February (3.03").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in April
Cave-In-Rock, IL
- Average rainfall days in April: 13.6 days
The months with the highest number of rainy days are May and July (16.3 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in April
Cave-In-Rock, IL
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Cave-In-Rock, IL
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (4.5 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
Cave-In-Rock, IL
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 8h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in April
Cave-In-Rock, IL
- Average sunshine days in April: 15 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in April
Cave-In-Rock, IL
- Average UV index in April: 5
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 and December (UV index 2).
Average cloud cover in April
Cave-In-Rock, IL
- Average cloud cover in April: 40
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June, August and September (Cloud cover 28).
Average visibility in April
Cave-In-Rock, 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).
Cave-In-Rock, Illinois, USA
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