April weather forecastPolo, IL
April
Weather in April
April is a moderate spring month in Polo, Illinois, with an average temperature varying between 40.5°F (4.7°C) and 56.8°F (13.8°C).Temperature
The average high-temperature increases in April, moving from a frosty 44.6°F (7°C) in March to a mild 56.8°F (13.8°C). Throughout April nights, Polo registers an average low-temperature of 40.5°F (4.7°C).Humidity
The average relative humidity in April is 75%.Rainfall
In Polo, in April, during 16.5 rainfall days, 3.66" (93mm) of precipitation is typically accumulated. Throughout the year, there are 152.3 rainfall days, and 32.6" (828mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 2.2 snowfall days, in April, Polo aggregates 0.87" (22mm) of snow. Throughout the year, there are 44 snowfall days, and 18.5" (470mm) of snow is accumulated.Daylight
The average length of the day in April in Polo is 13h and 23min.On the first day of April, sunrise is at 6:39 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:56 pm CDT.
Sunshine
In Polo, the average sunshine in April is 7.3h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In April, a regular UV index of 3 translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Polo, IL
- Average high temperature in April: 56.8°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in April: 40.5°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in April
Polo, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Polo, IL
- Average wind speed in April: 10.4mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in April
Polo, IL
- Average humidity in April: 75%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Polo, IL
- Average rainfall in April: 3.66"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is January (1.54").
Average rainfall days in April
Polo, IL
- Average rainfall days in April: 16.5 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in April
Polo, IL
- Average snowfall in April: 0.87"
The month with the highest snowfall is January (5.43").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Polo, IL
- Average snowfall days in April: 2.2 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Polo, IL
- Average daylight in April: 13h and 24min
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 18min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in April
Polo, IL
- Average sunshine days in April: 11.1 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (8.5 days).
Average UV index in April
Polo, IL
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Polo, IL
- Average cloud cover in April: 51
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in April
Polo, IL
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
