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 arrival of April brings a change in Spring Valley's weather, with average high-temperatures moving from March's chilly 47.1°F (8.4°C) to a moderate 59°F (15°C). In Spring Valley, in April, the average low-temperature is a wintry 42.4°F (5.8°C).Humidity
The average relative humidity in April in Spring Valley is 74%.Rainfall
In Spring Valley, in April, during 17.1 rainfall days, 3.82" (97mm) of precipitation is typically accumulated. In Spring Valley, during the entire year, the rain falls for 152.7 days and collects up to 30.79" (782mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows in Spring Valley. During 1.4 snowfall days, in April, Spring Valley aggregates 1.22" (31mm) of snow. Throughout the year, in Spring Valley, there are 39.5 snowfall days, and 15.31" (389mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 21min.On the first day of April in Spring Valley, sunrise is at 6:38 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:53 pm CDT.
Sunshine
The average sunshine in April is 7.9h.UV index
In Spring Valley, Illinois, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 3 during April translates into the following guidance:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. 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 Spring Valley?
What is the average humidity in April in Spring Valley?
How much does it rain in Spring Valley in April?
What is the last month it snows in Spring Valley?
How many hours of daylight does Spring Valley have in April?
When are sunrise and sunset in April in Spring Valley?
How long on average sun shines in April in Spring Valley?
What is the UV index intensity in April in Spring Valley?
Average temperature in April
Spring Valley, IL
- Average high temperature in April: 59°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in April: 42.4°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in April
Spring Valley, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Spring Valley, IL
- Average wind speed in April: 10.4mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in April
Spring Valley, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Spring Valley, IL
- Average rainfall in April: 3.82"
The wettest month (with the highest rainfall) is May (4.69").
The driest months (with the least rainfall) are January and December (1.61").
Average rainfall days in April
Spring Valley, IL
- Average rainfall days in April: 17.1 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in April
Spring Valley, IL
- Average snowfall in April: 1.22"
The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Spring Valley, IL
- Average snowfall days in April: 1.4 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Spring Valley, 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, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Spring Valley, IL
- Average sunshine days in April: 10.2 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (10.2 days).
Average UV index in April
Spring Valley, IL
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Spring Valley, IL
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in April
Spring Valley, IL
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Spring Valley, Illinois, USA
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