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
With the onset of April, Smithfield experiences a temperature shift, with the average high-temperature moving from a chilly 49.6°F (9.8°C) in March to a comfortable 61.3°F (16.3°C). Smithfield experiences an average low-temperature of 44.2°F (6.8°C) in the month of April.Humidity
The average relative humidity in April in Smithfield is 74%.Rainfall
In Smithfield, during April, the rain falls for 13.7 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Smithfield, during the entire year, the rain falls for 131.7 days and collects up to 22.48" (571mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Smithfield. April is the last month it regularly snows in Smithfield. During 1 snowfall days, in April, Smithfield aggregates 0.43" (11mm) of snow. In Smithfield, during the entire year, snow falls for 27.4 days and aggregates up to 9.21" (234mm) of snow.Daylight
The average length of the day in April in Smithfield, Illinois, is 13h and 19min.On the first day of the month, sunrise is at 6:43 am and sunset at 7:26 pm. On the last day of April, sunrise is at 6:00 am and sunset at 7:56 pm CDT.
Sunshine
In Smithfield, the average sunshine in April is 8.1h.UV index
The average daily maximum UV index in April in Smithfield is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 4 in April transforms into this advice:
Undertake precautions - Guarding against sun damage is counselled. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the temperature in April in Smithfield?
What is the average humidity in April in Smithfield?
How many days does it rain in April in Smithfield?
What is the last month it snows in Smithfield?
How many hours of daylight does Smithfield have in April?
When are sunrise and sunset in April in Smithfield?
How long on average sun shines in April in Smithfield?
What is the UV index intensity in April in Smithfield?
Average temperature in April
Smithfield, IL
- Average high temperature in April: 61.3°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in April: 44.2°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in April
Smithfield, 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
Smithfield, IL
- Average wind speed in April: 10.4mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in April
Smithfield, 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
Smithfield, IL
- Average rainfall in April: 2.6"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is December (0.94").
Average rainfall days in April
Smithfield, IL
- Average rainfall days in April: 13.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in April
Smithfield, IL
- Average snowfall in April: 0.43"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Smithfield, IL
- Average snowfall days in April: 1 days
The month with the highest number of snowfall days is January (9.4 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
Smithfield, 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 6min).
Average sunshine days in April
Smithfield, IL
- Average sunshine days in April: 14.6 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in April
Smithfield, 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
Smithfield, IL
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in April
Smithfield, 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).
Smithfield, Illinois, USA
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