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
Big Rock experiences a temperature shift with the start of April, with average high-temperatures moving from a chilly 45.5°F (7.5°C) in March to a moderate 57°F (13.9°C). April witnesses an average nighttime temperature of 40.1°F (4.5°C) in Big Rock, Illinois.Humidity
In Big Rock, the average relative humidity in April is 76%.Rainfall
In Big Rock, Illinois, in April, during 17.3 rainfall days, 3.54" (90mm) of precipitation is typically accumulated. In Big Rock, during the entire year, the rain falls for 156.4 days and collects up to 30.98" (787mm) of precipitation.Snowfall
Months with snowfall in Big Rock are January through May, October through December. In April, in Big Rock, it is snowing for 1.7 days. Throughout April, 1.42" (36mm) of snow is accumulated. Throughout the year, in Big Rock, there are 44.6 snowfall days, and 15.2" (386mm) of snow is accumulated.Daylight
In Big Rock, the average length of the day in April is 13h and 22min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:20 pm. On the last day of April, in Big Rock, sunrise is at 5:50 am and sunset at 7:51 pm CDT.
Sunshine
The average sunshine in April is 7.5h.UV index
The average daily maximum UV index in April in Big Rock is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What are the temperatures in Big Rock in April?
What is the average humidity in April in Big Rock?
How much does it rain in Big Rock in April?
How much does it snow in Big Rock in April?
What is the average length of the day in April in Big Rock?
When is the sunrise / sunset in April in Big Rock?
How many hours of sunshine does Big Rock have in April?
What is the UV index intensity in April in Big Rock?
Average temperature in April
Big Rock, IL
- Average high temperature in April: 57°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in April: 40.1°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in April
Big Rock, 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
Big Rock, 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 August (6mph).
Average humidity in April
Big Rock, IL
- Average humidity in April: 76%
The months with the highest relative humidity are January, July and August (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Big Rock, IL
- Average rainfall in April: 3.54"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is December (1.57").
Average rainfall days in April
Big Rock, IL
- Average rainfall days in April: 17.3 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (6 days).
Average snowfall in April
Big Rock, IL
- Average snowfall in April: 1.42"
The month with the highest snowfall is January (4.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Big Rock, IL
- Average snowfall days in April: 1.7 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Big Rock, IL
- Average daylight in April: 13h and 2min
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 3min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Big Rock, IL
- Average sunshine days in April: 10.3 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in April
Big Rock, IL
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Big Rock, IL
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in April
Big Rock, IL
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Big Rock, Illinois, USA
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