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
April indicates a change in the average high-temperature, moving up from a fresh 50.4°F (10.2°C) in March to an enjoyable 62.1°F (16.7°C). Throughout April, Catlin witnesses a nighttime temperature average of 45.3°F (7.4°C).Humidity
In Catlin, Illinois, the average relative humidity in April is 77%.Rainfall
The months with the most rainfall in Catlin, Illinois, are April and May, with an average 2.52" (64mm) of precipitation.Snowfall
Months with snowfall in Catlin are January through April, October through December. April is the last month it regularly snows. During 0.6 snowfall days, in April, Catlin aggregates 0.24" (6mm) of snow. In Catlin, during the entire year, snow falls for 24 days and aggregates up to 6.14" (156mm) of snow.Daylight
In April, the average length of the day in Catlin is 13h and 18min.On the first day of April in Catlin, Illinois, sunrise is at 6:33 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 7:45 pm CDT.
Sunshine
The average sunshine in April in Catlin is 7.1h.UV index
In Catlin, Illinois, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 4 in April leads to these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Catlin in April?
What is the average humidity in April in Catlin?
What is the wettest month in Catlin?
How much does it rain in Catlin in April?
What is the last month it snows in Catlin?
How many hours of daylight does Catlin have in April?
What time are sunrise and sunset in April in Catlin?
How long on average sun shines in April in Catlin?
How high is the UV index in April in Catlin?
Average temperature in April
Catlin, IL
- Average high temperature in April: 62.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in April: 45.3°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in April
Catlin, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Catlin, IL
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in April
Catlin, IL
- Average humidity in April: 77%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in April
Catlin, IL
- Average rainfall in April: 2.52"
The wettest months (with the highest rainfall) are April and May (2.52").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in April
Catlin, IL
- Average rainfall days in April: 14.6 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in April
Catlin, IL
- Average snowfall in April: 0.24"
The month with the highest snowfall is December (1.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Catlin, IL
- Average snowfall days in April: 0.6 days
The month with the highest number of snowfall days is January (7.1 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
Catlin, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 7h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in April
Catlin, IL
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (10 days).
Average UV index in April
Catlin, IL
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Catlin, IL
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in April
Catlin, 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).
Catlin, Illinois, USA
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