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 onset of April brings a rise in the average high-temperature, elevating from a frosty 47.1°F (8.4°C) in March to a refreshing 59.2°F (15.1°C). During the month of April, an average temperature of 42.4°F (5.8°C) is noted during the nights.Humidity
The average relative humidity in April is 74%.Rainfall
In April, the rain falls for 16.3 days. Throughout April, 3.5" (89mm) of precipitation is accumulated. In Lafayette, during the entire year, the rain falls for 147.2 days and collects up to 29.17" (741mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.2 snowfall days, in April, Lafayette aggregates 1.02" (26mm) of snow. Throughout the year, there are 37 snowfall days, and 12.91" (328mm) of snow is accumulated.Daylight
In Lafayette, the average length of the day in April is 13h and 20min.On the first day of April in Lafayette, sunrise is at 6:41 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 7:56 pm CDT.
Sunshine
In Lafayette, the average sunshine in April is 7.9h.UV index
In Lafayette, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In April, the maximum UV index of 4 suggests this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows in Lafayette?
How many hours of daylight does Lafayette have in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Lafayette, IL
- Average high temperature in April: 59.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in April: 42.4°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in April
Lafayette, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Lafayette, 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 (6.6mph).
Average humidity in April
Lafayette, 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
Lafayette, IL
- Average rainfall in April: 3.5"
The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and December (1.42").
Average rainfall days in April
Lafayette, IL
- Average rainfall days in April: 16.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in April
Lafayette, IL
- Average snowfall in April: 1.02"
The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Lafayette, IL
- Average snowfall days in April: 1.2 days
The month with the highest number of snowfall days is January (11.4 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
Lafayette, 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 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Lafayette, IL
- Average sunshine days in April: 11.5 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in April
Lafayette, 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 January (UV index 1).
Average cloud cover in April
Lafayette, IL
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in April
Lafayette, 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).
Lafayette, Illinois, USA
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