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
In South Roxana, stepping into April brings a temperature increase, moving up from March's fresh 53.4°F (11.9°C) to a comfortable 64.4°F (18°C). The nighttime temperature in South Roxana, during April, averages of 46.9°F (8.3°C).Humidity
The average relative humidity in April is 76%.Rainfall
In April, in South Roxana, the rain falls for 13.4 days. Throughout April, 2.4" (61mm) of precipitation is accumulated. In South Roxana, during the entire year, the rain falls for 138 days and collects up to 23.9" (607mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows in South Roxana, Illinois. During 0.3 snowfall days, in April, South Roxana aggregates 0.04" (1mm) of snow. In South Roxana, during the entire year, snow falls for 18.6 days and aggregates up to 4.53" (115mm) of snow.Daylight
In April, the average length of the day in South Roxana is 13h and 14min.On the first day of April in South Roxana, sunrise is at 6:43 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:52 pm CDT.
Sunshine
The average sunshine in April in South Roxana is 8.5h.UV index
The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 during April leads to these advisories:
Guard yourself - Precautionary measures against sun damage are advocated. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What is the average April temperature in South Roxana?
What is the average humidity in April in South Roxana?
How much does it rain in South Roxana in April?
What is the last month it snows in South Roxana?
What is the average length of the day in April in South Roxana?
What time are sunrise and sunset in April in South Roxana?
How long on average sun shines in April in South Roxana?
What is the UV index reading in April in South Roxana?
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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