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
An increase in the average high-temperature marks April, moving from March's cool 55°F (12.8°C) to a comfortable 66°F (18.9°C). April nights are marked by an average low-temperature of 48.4°F (9.1°C).Humidity
In April, the average relative humidity is 77%.Rainfall
In Percy, Illinois, in April, during 16.3 rainfall days, 4.41" (112mm) of precipitation is typically accumulated. In Percy, Illinois, during the entire year, the rain falls for 159.4 days and collects up to 37.2" (945mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows in Percy. During 0.4 snowfall days, in April, Percy aggregates 0.04" (1mm) of snow. In Percy, during the entire year, snow falls for 20.9 days and aggregates up to 8.11" (206mm) of snow.Daylight
In Percy, the average length of the day in April is 13h and 13min.On the first day of April in Percy, Illinois, sunrise is at 6:42 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:48 pm CDT.
Sunshine
The average sunshine in April is 8.4h.UV index
In April, the average daily maximum UV index in Percy is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, a regular UV index of 4 translates into these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Percy in April?
What is the average humidity in April in Percy?
How much does it rain in Percy in April?
What is the last month it snows in Percy?
What is the average length of the day in April in Percy?
When is the sunrise / sunset in April in Percy?
How long on average sun shines in April in Percy?
How high is the UV index in April in Percy?
Average temperature in April
Percy, IL
- Average high temperature in April: 66°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in April: 48.4°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 (25.7°F).
Average pressure in April
Percy, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Percy, IL
- Average wind speed in April: 9.1mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in April
Percy, 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
Percy, IL
- Average rainfall in April: 4.41"
The wettest month (with the highest rainfall) is May (4.49").
The driest months (with the least rainfall) are February and September (2.13").
Average rainfall days in April
Percy, 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 January (8.3 days).
Average snowfall in April
Percy, IL
- Average snowfall in April: 0.04"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Percy, IL
- Average snowfall days in April: 0.4 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
Percy, IL
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in April
Percy, IL
- Average sunshine days in April: 11.9 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in April
Percy, 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 and December (UV index 2).
Average cloud cover in April
Percy, IL
- Average cloud cover in April: 42
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in April
Percy, 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).
Percy, Illinois, USA
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