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 signals a temperature shift, moving from a chilly 48.6°F (9.2°C) in March to a refreshing 60.8°F (16°C). Keithsburg records an average nighttime low-temperature of 44.1°F (6.7°C) throughout April.Humidity
The average relative humidity in April is 74%.Rainfall
In Keithsburg, during April, the rain falls for 16.2 days and regularly aggregates up to 3.43" (87mm) of precipitation. In Keithsburg, during the entire year, the rain falls for 150.9 days and collects up to 30.87" (784mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows in Keithsburg. During 1.1 snowfall days, in April, Keithsburg aggregates 0.83" (21mm) of snow. Throughout the year, there are 34.6 snowfall days, and 13.66" (347mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 20min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:29 pm. On the last day of April, in Keithsburg, Illinois, sunrise is at 6:01 am and sunset at 8:00 pm CDT.
Sunshine
In April, the average sunshine is 7.9h.UV index
In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 4 during April morphs into the following directions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What is the usual temperature for Keithsburg in April?
What is the average humidity in April in Keithsburg?
How many days does it rain in April in Keithsburg?
What is the last month it snows in Keithsburg?
How many hours of daylight does Keithsburg have in April?
What time are sunrise and sunset in April in Keithsburg?
How long on average sun shines in April in Keithsburg?
What is the UV index reading in April in Keithsburg?
Average temperature in April
Keithsburg, IL
- Average high temperature in April: 60.8°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in April: 44.1°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 (17.8°F).
Average pressure in April
Keithsburg, 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 (29.9"Hg).
Average wind speed in April
Keithsburg, IL
- Average wind speed in April: 10.6mph
The windiest months (with the highest average wind speed) are January and April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in April
Keithsburg, 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 (70%).
Average rainfall in April
Keithsburg, IL
- Average rainfall in April: 3.43"
The wettest month (with the highest rainfall) is May (4.57").
The driest months (with the least rainfall) are January and December (1.46").
Average rainfall days in April
Keithsburg, IL
- Average rainfall days in April: 16.2 days
The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in April
Keithsburg, IL
- Average snowfall in April: 0.83"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Keithsburg, IL
- Average snowfall days in April: 1.1 days
The month with the highest number of snowfall days is January (10.8 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
Keithsburg, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
Keithsburg, IL
- Average sunshine days in April: 11.3 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in April
Keithsburg, IL
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Keithsburg, IL
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in April
Keithsburg, 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).
Keithsburg, Illinois, USA
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