April weather forecastGrain Valley, MO
April
Weather in April
April is a comfortable spring month in Grain Valley, Missouri, with an average temperature ranging between max 64°F (17.8°C) and min 46°F (7.8°C).Temperature
Grain Valley, Missouri, in April shows a temperature shift, moving from an average high of a cool 53.8°F (12.1°C) in March to a refreshing 64°F (17.8°C). An average nighttime temperature of 46°F (7.8°C) is recorded during April.Humidity
In April, the average relative humidity in Grain Valley is 74%.Rainfall
In Grain Valley, during April, the rain falls for 13.9 days and regularly aggregates up to 2.91" (74mm) of precipitation. Throughout the year, there are 136.1 rainfall days, and 28.78" (731mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 0.4 days. Throughout April, 0.12" (3mm) of snow is accumulated. In Grain Valley, during the entire year, snow falls for 20.9 days and aggregates up to 10.67" (271mm) of snow.Daylight
In Grain Valley, the average length of the day in April is 13h and 15min.On the first day of the month, sunrise is at 6:59 am and sunset at 7:40 pm. On the last day of April, sunrise is at 6:18 am and sunset at 8:09 pm CDT.
Sunshine
The average sunshine in April is 8.3h.UV index
In Grain Valley, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 4 in April transforms into the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. 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
Grain Valley, MO
- Average high temperature in April: 64°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in April: 46°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in April
Grain Valley, MO
- Average pressure in April: 29.92"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
Grain Valley, MO
- Average wind speed in April: 9.8mph
The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in April
Grain Valley, MO
- Average humidity in April: 74%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Grain Valley, MO
- Average rainfall in April: 2.91"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in April
Grain Valley, MO
- Average rainfall days in April: 13.9 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in April
Grain Valley, MO
- Average snowfall in April: 0.12"
The month with the highest snowfall is February (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Grain Valley, MO
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Grain Valley, MO
- 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 30min).
- Average sunshine in April: 8h and 18min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in April
Grain Valley, MO
- Average sunshine days in April: 14.5 days
The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in April
Grain Valley, MO
- 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
Grain Valley, MO
- Average cloud cover in April: 41
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in April
Grain Valley, MO
- 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).
