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
The shift into April is marked by a rise in the average high-temperature, moving from March's frosty 48°F (8.9°C) to a mild 60.4°F (15.8°C). April brings an average low-temperature of 43.3°F (6.3°C) to Roseville.Humidity
In Roseville, Illinois, the average relative humidity in April is 74%.Rainfall
In Roseville, in April, during 15.5 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. In Roseville, during the entire year, the rain falls for 149.4 days and collects up to 30.16" (766mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 1 snowfall days, in April, Roseville aggregates 1.3" (33mm) of snow. Throughout the year, in Roseville, there are 36.7 snowfall days, and 15.31" (389mm) of snow is accumulated.Daylight
In Roseville, the average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:27 pm. On the last day of April, in Roseville, sunrise is at 6:01 am and sunset at 7:58 pm CDT.
Sunshine
In April, the average sunshine is 7.9h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 4 during April leads to these advisories:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What are the temperatures in Roseville in April?
What is the average humidity in April in Roseville?
How much does it rain in Roseville in April?
What is the last month it snows in Roseville?
What is the average length of the day in April in Roseville?
What time are sunrise and sunset in April in Roseville?
How long on average sun shines in April in Roseville?
What is the UV index intensity in April in Roseville?
Average temperature in April
Roseville, IL
- Average high temperature in April: 60.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in April: 43.3°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 (17.6°F).
Average pressure in April
Roseville, 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
Roseville, IL
- Average wind speed in April: 10.7mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in April
Roseville, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Roseville, IL
- Average rainfall in April: 3.35"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in April
Roseville, IL
- Average rainfall days in April: 15.5 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in April
Roseville, IL
- Average snowfall in April: 1.3"
The month with the highest snowfall is January (4.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Roseville, IL
- Average snowfall days in April: 1 days
The month with the highest number of snowfall days is January (10.9 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
Roseville, 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: 7h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
Roseville, IL
- Average sunshine days in April: 12 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in April
Roseville, IL
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Roseville, IL
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in April
Roseville, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Roseville, Illinois, USA
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