April weather forecastBig Bay, IL
April
Weather in April
April in Big Bay, Illinois, is a refreshing spring month, with an average temperature varying between 49.5°F (9.7°C) and 67.1°F (19.5°C).Temperature
The average high-temperature increases in April, moving from a moderate 56.3°F (13.5°C) in March to an enjoyable 67.1°F (19.5°C). During April, Big Bay records an average temperature of 49.5°F (9.7°C) at night.Humidity
In April, the average relative humidity is 77%.Rainfall
April is the month with the most rainfall. Rain falls for 16.1 days and accumulates 4.29" (109mm) 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, Big Bay aggregates 0.04" (1mm) of snow. In Big Bay, Illinois, during the entire year, snow falls for 12.9 days and aggregates up to 4.33" (110mm) of snow.Daylight
The average length of the day in April is 13h and 11min.On the first day of April, sunrise is at 6:39 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:43 pm CDT.
Sunshine
In Big Bay, the average sunshine in April is 8.9h.UV index
In Big Bay, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 5 in April translates into the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Big Bay, IL
- Average high temperature in April: 67.1°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.4°F).
- Average low temperature in April: 49.5°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28°F).
Average pressure in April
Big Bay, IL
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Big Bay, IL
- Average wind speed in April: 8.9mph
The windiest months (with the highest average wind speed) are January, March and April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in April
Big Bay, IL
- Average humidity in April: 77%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Big Bay, IL
- Average rainfall in April: 4.29"
The wettest month (with the highest rainfall) is April (4.29").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in April
Big Bay, IL
- Average rainfall days in April: 16.1 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is October (10.2 days).
Average snowfall in April
Big Bay, IL
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Big Bay, IL
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Big Bay, IL
- Average daylight in April: 13h and 12min
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 54min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in April
Big Bay, IL
- Average sunshine days in April: 12.1 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is May (11 days).
Average UV index in April
Big Bay, 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
Big Bay, IL
- Average cloud cover in April: 39
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 26).
Average visibility in April
Big Bay, 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).





