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
Sugar Island in April shows a temperature shift, moving from an average high of a frosty 47.5°F (8.6°C) in March to a refreshing 59.5°F (15.3°C). Sugar Island experiences a steady low-temperature of 43.5°F (6.4°C) throughout April.Humidity
In April, the average relative humidity in Sugar Island is 74%.Rainfall
In Sugar Island, in April, it is raining for 13.7 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, there are 138.7 rainfall days, and 21.77" (553mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.3 snowfall days, in April, Sugar Island aggregates 1.02" (26mm) of snow. Throughout the year, in Sugar Island, there are 35.3 snowfall days, and 9.37" (238mm) of snow is accumulated.Daylight
In Sugar Island, the average length of the day in April is 13h and 20min.On the first day of April in Sugar Island, sunrise is at 6:33 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 7:47 pm CDT.
Sunshine
In April, the average sunshine is 7.6h.UV index
In April, the average daily maximum UV index in Sugar Island is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 4 during April leads to these instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the temperature in April in Sugar Island?
What is the average humidity in April in Sugar Island?
How much does it rain in Sugar Island in April?
What is the last month it snows in Sugar Island?
How many hours of daylight does Sugar Island have in April?
What time are sunrise and sunset in April in Sugar Island?
How many hours of sunshine does Sugar Island have in April?
What is the UV index reading in April in Sugar Island?
Average temperature in April
Sugar Island, IL
- Average high temperature in April: 59.5°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in April: 43.5°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in April
Sugar Island, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Sugar Island, IL
- Average wind speed in April: 10.2mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in April
Sugar Island, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Sugar Island, IL
- Average rainfall in April: 2.4"
The wettest month (with the highest rainfall) is May (3.19").
The driest months (with the least rainfall) are January, February and December (1.06").
Average rainfall days in April
Sugar Island, IL
- Average rainfall days in April: 13.7 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in April
Sugar Island, IL
- Average snowfall in April: 1.02"
The month with the highest snowfall is February (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Sugar Island, IL
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (10.8 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
Sugar Island, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Sugar Island, IL
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10 days).
Average UV index in April
Sugar Island, IL
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Sugar Island, IL
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in April
Sugar Island, 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).
Sugar Island, Illinois, USA
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