April weather forecastSpring Bay, IL
April
Weather in April
April is a refreshing spring month in Spring Bay, Illinois, with an average temperature fluctuating between 43.9°F (6.6°C) and 60.1°F (15.6°C).Temperature
The shift into April brings an increase in the average high-temperature, moving from a chilly 48.2°F (9°C) in March to a moderate 60.1°F (15.6°C). Spring Bay's temperature tends to fall to an average low of 43.9°F (6.6°C) during the nights of April.Humidity
The average relative humidity in April is 74%.Rainfall
In Spring Bay, in April, during 13.6 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, there are 123.4 rainfall days, and 15.12" (384mm) of precipitation is accumulated.Snowfall
Months with snowfall in Spring Bay are January through April, October through December. April is the last month it regularly snows in Spring Bay. During 0.5 snowfall days, in April, Spring Bay aggregates 0.75" (19mm) of snow. Throughout the year, in Spring Bay, Illinois, there are 27.8 snowfall days, and 6.46" (164mm) of snow is accumulated.Daylight
The average length of the day in April 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, in Spring Bay, sunrise is at 5:56 am and sunset at 7:53 pm CDT.
Sunshine
The average sunshine in April in Spring Bay is 8h.UV index
The average daily maximum UV index in April in Spring Bay is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 4 in April translates into the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Spring Bay, IL
- Average high temperature in April: 60.1°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in April: 43.9°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in April
Spring Bay, 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
Spring Bay, 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
Spring Bay, 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 (72%).
Average rainfall in April
Spring Bay, IL
- Average rainfall in April: 1.77"
The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in April
Spring Bay, IL
- Average rainfall days in April: 13.6 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in April
Spring Bay, IL
- Average snowfall in April: 0.75"
The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Spring Bay, IL
- Average snowfall days in April: 0.5 days
The month with the highest number of snowfall days is January (9.2 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
Spring Bay, IL
- Average daylight in April: 13h and 18min
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: 8h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Spring Bay, IL
- Average sunshine days in April: 14.7 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (12.4 days).
Average UV index in April
Spring Bay, IL
- Average UV index in April: 4
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
Spring Bay, IL
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in April
Spring Bay, 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).
