April weather forecastGrandview, IL
April
Weather in April
April is an enjoyable spring month in Grandview, Illinois, with an average temperature varying between 46.2°F (7.9°C) and 63.1°F (17.3°C).Temperature
April shows a rise in the average high-temperature, moving from March's cool 50.9°F (10.5°C) to a comfortable 63.1°F (17.3°C). Throughout the month of April, Grandview witnesses an average temperature of 46.2°F (7.9°C).Humidity
The average relative humidity in April is 74%.Rainfall
In Grandview, in April, it is raining for 13.8 days, with typically 2.64" (67mm) of accumulated precipitation. Throughout the year, there are 140.2 rainfall days, and 23.27" (591mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Grandview, Illinois. April is the last month it regularly snows. During 0.6 snowfall days, in April, Grandview aggregates 0.16" (4mm) of snow. Throughout the year, there are 28.1 snowfall days, and 7.48" (190mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 17min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:23 pm. On the last day of April, sunrise is at 5:58 am and sunset at 7:52 pm CDT.
Sunshine
In Grandview, the average sunshine in April is 8.3h.UV index
In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In April, the UV index of 4 transforms into the following advice:
Undertake precautions - Guarding against sun damage is counselled. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. 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
Average temperature in April
Grandview, IL
- Average high temperature in April: 63.1°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in April: 46.2°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in April
Grandview, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Grandview, IL
- Average wind speed in April: 10.3mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in April
Grandview, 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 (70%).
Average rainfall in April
Grandview, IL
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is December (1.18").
Average rainfall days in April
Grandview, IL
- Average rainfall days in April: 13.8 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in April
Grandview, IL
- Average snowfall in April: 0.16"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Grandview, IL
- Average snowfall days in April: 0.6 days
The month with the highest number of snowfall days is January (9.5 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
Grandview, IL
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in April
Grandview, IL
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in April
Grandview, IL
- Average UV index in April: 4
The months with the highest UV index are 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
Grandview, IL
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are June and September (Cloud cover 29).
Average visibility in April
Grandview, 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).
