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
The start of April is characterized by an increase in the average high-temperature, transitioning from a cool 55.2°F (12.9°C) in March to a comfortable 66.4°F (19.1°C). Spillertown experiences a consistent average temperature of 48.7°F (9.3°C) throughout the nights in April.Humidity
In Spillertown, the average relative humidity in April is 77%.Rainfall
The month with the most rainfall in Spillertown is April, when the rain falls for 13.8 days and typically aggregates up to 3.11" (79mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows in Spillertown, Illinois. During 0.5 snowfall days, in April, Spillertown aggregates 0.08" (2mm) of snow. In Spillertown, during the entire year, snow falls for 14.5 days and aggregates up to 4.13" (105mm) of snow.Daylight
In Spillertown, the average length of the day in April is 13h and 12min.On the first day of April, sunrise is at 6:39 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:45 pm CDT.
Sunshine
The average sunshine in April is 8.6h.UV index
In April, the average daily maximum UV index in Spillertown is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 5 during April translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Spillertown in April?
What is the average humidity in April in Spillertown?
What is the rainiest month in Spillertown?
How much does it rain in Spillertown in April?
What is the last month it snows in Spillertown?
What is the average length of the day in April in Spillertown?
When is the sunrise / sunset in April in Spillertown?
How many hours of sunshine does Spillertown have in April?
What is the UV index reading in April in Spillertown?
Average temperature in April
Spillertown, IL
- Average high temperature in April: 66.4°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in April: 48.7°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 (26.1°F).
Average pressure in April
Spillertown, IL
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Spillertown, IL
- Average wind speed in April: 9.1mph
The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in April
Spillertown, IL
- Average humidity in April: 77%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Spillertown, IL
- Average rainfall in April: 3.11"
The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days in April
Spillertown, IL
- Average rainfall days in April: 13.8 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in April
Spillertown, IL
- Average snowfall in April: 0.08"
The months with the highest snowfall are January and February (0.94").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Spillertown, IL
- Average snowfall days in April: 0.5 days
The month with the highest number of snowfall days is February (4.3 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
Spillertown, 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 month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in April
Spillertown, IL
- Average sunshine days in April: 13.7 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in April
Spillertown, 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
Spillertown, IL
- Average cloud cover in April: 41
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June, August and September (Cloud cover 28).
Average visibility in April
Spillertown, 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).
Spillertown, Illinois, USA
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