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
As Plano enters April, the average high-temperature increases from the a frosty 45.9°F (7.7°C) of March to a moderate 57.4°F (14.1°C). During April nights, Plano records an average temperature of 41.2°F (5.1°C).Humidity
In April, the average relative humidity is 75%.Rainfall
In Plano, in April, during 17.9 rainfall days, 4.02" (102mm) of precipitation is typically accumulated. In Plano, during the entire year, the rain falls for 168.3 days and collects up to 35.47" (901mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.8 snowfall days, in April, Plano aggregates 1.57" (40mm) of snow. Throughout the year, in Plano, there are 47.1 snowfall days, and 16.61" (422mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 22min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:20 pm. On the last day of April, in Plano, sunrise is at 5:50 am and sunset at 7:51 pm CDT.
Sunshine
In April, the average sunshine in Plano is 7.6h.UV index
In Plano, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 3 in April leads to these guidelines:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Plano?
What is the average humidity in April in Plano?
How much does it rain in Plano in April?
What is the last month it snows in Plano?
How many hours of daylight does Plano have in April?
When are sunrise and sunset in April in Plano?
How long on average sun shines in April in Plano?
What is the UV index intensity in April in Plano?
Average temperature in April
Plano, IL
- Average high temperature in April: 57.4°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in April: 41.2°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in April
Plano, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Plano, IL
- Average wind speed in April: 9.8mph
The windiest months (with the highest average wind speed) are January and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in April
Plano, IL
- Average humidity in April: 75%
The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Plano, IL
- Average rainfall in April: 4.02"
The wettest month (with the highest rainfall) is May (4.88").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days in April
Plano, IL
- Average rainfall days in April: 17.9 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is February (6 days).
Average snowfall in April
Plano, IL
- Average snowfall in April: 1.57"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Plano, IL
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Plano, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 7h and 4min
The months with the most sunshine are June and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Plano, IL
- Average sunshine days in April: 9.4 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in April
Plano, IL
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Plano, IL
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in April
Plano, IL
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Plano, Illinois, USA
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