April weather forecastGreer, IL
April
Weather in April
April in Greer, Illinois, is a moderate spring month, with an average temperature fluctuating between 44.4°F (6.9°C) and 60.3°F (15.7°C).Temperature
April brings a temperature change, with average high-temperatures moving from March's chilly 48.7°F (9.3°C) to a refreshing 60.3°F (15.7°C). April brings with it a nighttime average temperature of 44.4°F (6.9°C).Humidity
In Greer, Illinois, the average relative humidity in April is 75%.Rainfall
In Greer, in April, during 16 rainfall days, 3.7" (94mm) of precipitation is typically accumulated. Throughout the year, there are 156 rainfall days, and 30.83" (783mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 1.1 snowfall days, in April, Greer aggregates 0.35" (9mm) of snow. In Greer, during the entire year, snow falls for 35.7 days and aggregates up to 13.27" (337mm) of snow.Daylight
In Greer, the average length of the day in April is 13h and 19min.On the first day of April, sunrise is at 6:32 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 7:45 pm CDT.
Sunshine
In Greer, the average sunshine in April is 7.7h.UV index
In Greer, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The UV index of 4 during April leads to these advisories:
Take necessary precautions - Defending against sun damage is advocated. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Greer, IL
- Average high temperature in April: 60.3°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in April: 44.4°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in April
Greer, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Greer, IL
- Average wind speed in April: 10.3mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in April
Greer, IL
- Average humidity in April: 75%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Greer, IL
- Average rainfall in April: 3.7"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is December (1.73").
Average rainfall days in April
Greer, IL
- Average rainfall days in April: 16 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in April
Greer, IL
- Average snowfall in April: 0.35"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Greer, IL
- Average snowfall days in April: 1.1 days
The month with the highest number of snowfall days is January (10.8 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
Greer, IL
- Average daylight in April: 13h and 18min
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 42min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Greer, IL
- Average sunshine days in April: 11.1 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in April
Greer, IL
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Greer, IL
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in April
Greer, 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).
