April weather forecastBartlett, IL
April
Weather in April
April is a mild spring month in Bartlett, Illinois, with temperature in the range of an average low of 39.9°F (4.4°C) and an average high of 55.8°F (13.2°C).Temperature
The arrival of April brings a change in Bartlett's weather, with average high-temperatures moving from March's frosty 44.2°F (6.8°C) to a mild 55.8°F (13.2°C). In the month of April, Bartlett witnesses a consistent average low-temperature of 39.9°F (4.4°C).Humidity
In Bartlett, the average relative humidity in April is 75%.Rainfall
In Bartlett, in April, it is raining for 15.1 days, with typically 2.64" (67mm) of accumulated precipitation. Throughout the year, there are 141.5 rainfall days, and 22.76" (578mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Bartlett, during April, snow falls for 2.2 days and regularly aggregates up to 2.05" (52mm) of snow. Throughout the year, in Bartlett, there are 46.4 snowfall days, and 13.03" (331mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 23min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:18 pm. On the last day of April, sunrise is at 5:48 am and sunset at 7:50 pm CDT.
Sunshine
The average sunshine in April is 7.3h.UV index
In Bartlett, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In April, the maximum UV index of 3 suggests these recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Bartlett, IL
- Average high temperature in April: 55.8°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in April: 39.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in April
Bartlett, 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
Bartlett, IL
- Average wind speed in April: 9.7mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in April
Bartlett, IL
- Average humidity in April: 75%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Bartlett, IL
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days in April
Bartlett, IL
- Average rainfall days in April: 15.1 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in April
Bartlett, IL
- Average snowfall in April: 2.05"
The month with the highest snowfall is January (3.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Bartlett, IL
- Average snowfall days in April: 2.2 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Bartlett, 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 months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in April
Bartlett, IL
- Average sunshine days in April: 11.3 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in April
Bartlett, IL
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Bartlett, IL
- Average cloud cover in April: 51
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 33).
Average visibility in April
Bartlett, IL
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
