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
A shift in the average high-temperature is noticeable in April, changing from a chilly 43.7°F (6.5°C) in March to a fresh 55°F (12.8°C). Throughout April, Algonquin witnesses a nighttime temperature average of 38.8°F (3.8°C).Humidity
April and October, with an average relative humidity of 76%, are the least humid months.Rainfall
The wettest months are April and August, with an average 1.89" (48mm) of rainfall.Snowfall
Months with snowfall in Algonquin, Illinois, are January through May, October through December. In Algonquin, in April, during 2.3 snowfall days, 1.3" (33mm) of snow is typically accumulated. In Algonquin, during the entire year, snow falls for 43.2 days and aggregates up to 7.4" (188mm) of snow.Daylight
In April, the average length of the day is 13h and 23min.On the first day of April in Algonquin, sunrise is at 6:34 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 7:51 pm CDT.
Sunshine
The average sunshine in April in Algonquin is 7.5h.UV index
In April, the average daily maximum UV index in Algonquin is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: During April, 3 as the daily maximum UV index converts into the following advice:
Exercise prevention - Warding off sunburn is urged. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Algonquin in April?
What is the least humid month in Algonquin?
What is the average humidity in April in Algonquin?
What is the rainiest month in Algonquin?
How many days does it rain in April in Algonquin?
How much does it snow in Algonquin in April?
How many hours of daylight does Algonquin have in April?
When is the sunrise / sunset in April in Algonquin?
How long on average sun shines in April in Algonquin?
What is the UV index intensity in April in Algonquin?
Average temperature in April
Algonquin, IL
- Average high temperature in April: 55°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in April: 38.8°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in April
Algonquin, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Algonquin, IL
- Average wind speed in April: 9.8mph
The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in April
Algonquin, IL
- Average humidity in April: 76%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in April
Algonquin, IL
- Average rainfall in April: 1.89"
The wettest months (with the highest rainfall) are April and August (1.89").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in April
Algonquin, IL
- Average rainfall days in April: 13.8 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in April
Algonquin, IL
- Average snowfall in April: 1.3"
The month with the highest snowfall is January (2.01").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Algonquin, IL
- Average snowfall days in April: 2.3 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Algonquin, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Algonquin, IL
- Average sunshine days in April: 12.9 days
The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in April
Algonquin, IL
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Algonquin, IL
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July, August and September (Cloud cover 32).
Average visibility in April
Algonquin, IL
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Algonquin, Illinois, USA
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