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
South Roxana experiences a temperature shift with the start of April, with average high-temperatures moving from a cool 53.4°F (11.9°C) in March to a refreshing 64.4°F (18°C). In April, the average low-temperature is a chilly 46.9°F (8.3°C).Humidity
In April, the average relative humidity is 76%.Rainfall
In South Roxana, in April, during 13.4 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, there are 138 rainfall days, and 23.9" (607mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.3 snowfall days, in April, South Roxana aggregates 0.04" (1mm) of snow. Throughout the year, there are 18.6 snowfall days, and 4.53" (115mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 14min.On the first day of the month, sunrise is at 6:43 am and sunset at 7:24 pm. On the last day of April, sunrise is at 6:02 am and sunset at 7:52 pm CDT.
Sunshine
In South Roxana, the average sunshine in April is 8.5h.UV index
In South Roxana, 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 the ordinary person.Note: The maximum daily UV index of 4 in April interprets into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Around midday, solar radiation is most harmful; hence, exposure should be limited. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April in South Roxana?
How many days does it rain in April?
What is the last month it snows?
How many hours of daylight does South Roxana have in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
South Roxana, IL
- Average high temperature in April: 64.4°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in April: 46.9°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in April
South Roxana, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
South Roxana, IL
- Average wind speed in April: 9.3mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in April
South Roxana, IL
- Average humidity in April: 76%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
South Roxana, IL
- Average rainfall in April: 2.4"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in April
South Roxana, IL
- Average rainfall days in April: 13.4 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in April
South Roxana, IL
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
South Roxana, IL
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (6 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
South Roxana, IL
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).
Average sunshine days in April
South Roxana, IL
- Average sunshine days in April: 15.3 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in April
South Roxana, IL
- Average UV index in April: 4
The months with the highest UV index are May, 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
South Roxana, IL
- Average cloud cover in April: 42
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 29).
Average visibility in April
South Roxana, 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).
South Roxana, Illinois, USA
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