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
April's arrival is marked by an increase in the average high-temperature, moving from an icy 42.3°F (5.7°C) in March to a cool 52°F (11.1°C). In Northfield, the April nights cool down to an average low of 39.7°F (4.3°C).Humidity
In Northfield, Illinois, the average relative humidity in April is 76%.Rainfall
In April, the rain falls for 16.5 days. Throughout April, 3.78" (96mm) of precipitation is accumulated. Throughout the year, in Northfield, there are 164.7 rainfall days, and 35.28" (896mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Northfield, in April, during 2.3 snowfall days, 2.44" (62mm) of snow is typically accumulated. In Northfield, during the entire year, snow falls for 47.6 days and aggregates up to 17.8" (452mm) of snow.Daylight
In Northfield, the average length of the day in April is 13h and 23min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:17 pm. On the last day of April, in Northfield, Illinois, sunrise is at 5:46 am and sunset at 7:49 pm CDT.
Sunshine
In Northfield, Illinois, the average sunshine in April is 7.8h.UV index
In Northfield, Illinois, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In April, a regular UV index of 3 translates into these guidelines:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Experience reduced UV exposure by about half when donning a wide-brim hat. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What are the temperatures in Northfield in April?
What is the average humidity in April in Northfield?
How many days does it rain in April in Northfield?
How much does it snow in Northfield in April?
What is the average length of the day in April in Northfield?
What time are sunrise and sunset in April in Northfield?
How many hours of sunshine does Northfield have in April?
What is the UV index reading in April in Northfield?
Average temperature in April
Northfield, IL
- Average high temperature in April: 52°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in April: 39.7°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in April
Northfield, 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
Northfield, IL
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is January (11.5mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).
Average humidity in April
Northfield, IL
- Average humidity in April: 76%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in April
Northfield, IL
- Average rainfall in April: 3.78"
The wettest months (with the highest rainfall) are May and June (4.57").
The driest month (with the least rainfall) is December (1.65").
Average rainfall days in April
Northfield, IL
- Average rainfall days in April: 16.5 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in April
Northfield, IL
- Average snowfall in April: 2.44"
The month with the highest snowfall is January (4.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Northfield, IL
- Average snowfall days in April: 2.3 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Northfield, 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 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Northfield, IL
- Average sunshine days in April: 10.2 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in April
Northfield, IL
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Northfield, IL
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in April
Northfield, 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).
Northfield, Illinois, USA
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