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
Norris sees a rise in temperature during April, with average high-temperatures transitioning from a frosty 49.5°F (9.7°C) in March to a refreshing 61.3°F (16.3°C). Throughout April, Norris experiences a low-temperature average of 44.2°F (6.8°C).Humidity
In April, the average relative humidity in Norris is 74%.Rainfall
In Norris, Illinois, during April, the rain falls for 11.1 days and regularly aggregates up to 0.98" (25mm) of precipitation. Throughout the year, there are 98 rainfall days, and 8.86" (225mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Norris. April is the last month it regularly snows. During 0.6 snowfall days, in April, Norris aggregates 0.2" (5mm) of snow. Throughout the year, in Norris, there are 19.9 snowfall days, and 3.07" (78mm) of snow is accumulated.Daylight
In Norris, the average length of the day in April is 13h and 19min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:25 pm. On the last day of April, sunrise is at 5:59 am and sunset at 7:55 pm CDT.
Sunshine
In April, the average sunshine is 8.1h.UV index
In Norris, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during April translates into these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit 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. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What is the usual temperature for Norris in April?
What is the average humidity in April in Norris?
How many days does it rain in April in Norris?
What is the last month it snows in Norris?
How many hours of daylight does Norris have in April?
When are sunrise and sunset in April in Norris?
How many hours of sunshine does Norris have in April?
What is the UV index reading in April in Norris?
Average temperature in April
Norris, IL
- Average high temperature in April: 61.3°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in April: 44.2°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in April
Norris, IL
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Norris, IL
- Average wind speed in April: 10.5mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in April
Norris, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Norris, IL
- Average rainfall in April: 0.98"
The wettest month (with the highest rainfall) is May (1.3").
The driest months (with the least rainfall) are February and December (0.35").
Average rainfall days in April
Norris, IL
- Average rainfall days in April: 11.1 days
The month with the highest number of rainy days is June (13.2 days).
The month with the least rainy days is January (3 days).
Average snowfall in April
Norris, IL
- Average snowfall in April: 0.2"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Norris, IL
- Average snowfall days in April: 0.6 days
The month with the highest number of snowfall days is January (6.4 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
Norris, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 8h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Norris, IL
- Average sunshine days in April: 17.6 days
The month with the most sunshine days is January (23.6 days).
The month with the least sunshine days is June (14.4 days).
Average UV index in April
Norris, 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, November and December (UV index 2).
Average cloud cover in April
Norris, IL
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in April
Norris, 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).
Norris, Illinois, USA
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