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
An escalation in the average high-temperature is seen with the onset of April, moving from a fresh 50.4°F (10.2°C) in March to a refreshing 62.2°F (16.8°C). During the month of April, the temperature generally drops to a low average of 46°F (7.8°C).Humidity
In Arthur, the average relative humidity in April is 75%.Rainfall
The month with the most rainfall is April, when the rain falls for 14.8 days and typically aggregates up to 2.72" (69mm) of precipitation.Snowfall
Months with snowfall in Arthur, Illinois, are January through April, November and December. April is the last month it regularly snows. During 0.5 snowfall days, in April, Arthur aggregates 0.04" (1mm) of snow. Throughout the year, in Arthur, there are 25.8 snowfall days, and 6.38" (162mm) of snow is accumulated.Daylight
The average length of the day in April in Arthur is 13h and 17min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:18 pm. On the last day of April, in Arthur, sunrise is at 5:54 am and sunset at 7:47 pm CDT.
Sunshine
In April, the average sunshine is 8.2h.UV index
The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In April, a regular UV index of 4 translates into these guidelines:
Act with care - The need to guard against sun damage is communicated. To guard against the harmful effects of the Sun, minimize exposure during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What is the usual temperature for Arthur in April?
What is the average humidity in April in Arthur?
What is the rainiest month in Arthur?
How many days does it rain in April in Arthur?
What is the last month it snows in Arthur?
What is the average length of the day in April in Arthur?
When are sunrise and sunset in April in Arthur?
How long on average sun shines in April in Arthur?
What is the UV index reading in April in Arthur?
Average temperature in April
Arthur, IL
- Average high temperature in April: 62.2°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in April: 46°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 (21.6°F).
Average pressure in April
Arthur, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Arthur, IL
- Average wind speed in April: 10.5mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in April
Arthur, IL
- Average humidity in April: 75%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Arthur, IL
- Average rainfall in April: 2.72"
The wettest month (with the highest rainfall) is April (2.72").
The driest months (with the least rainfall) are February and September (1.26").
Average rainfall days in April
Arthur, IL
- Average rainfall days in April: 14.8 days
The months with the highest number of rainy days are May and July (16.8 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in April
Arthur, IL
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Arthur, IL
- Average snowfall days in April: 0.5 days
The month with the highest number of snowfall days is January (8.2 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
Arthur, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
Arthur, IL
- Average sunshine days in April: 12.8 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in April
Arthur, 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
Arthur, IL
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in April
Arthur, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Arthur, Illinois, USA
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