April weather forecastCallao, MO
April
Weather in April
April in Callao, Missouri, is an enjoyable spring month, with an average temperature ranging between max 62.4°F (16.9°C) and min 45.1°F (7.3°C).Temperature
A shift in the average high-temperature is noticeable in April, changing from a cool 51.1°F (10.6°C) in March to a comfortable 62.4°F (16.9°C). During April, the average low-temperature is a frosty 45.1°F (7.3°C).Humidity
The average relative humidity in April is 75%.Rainfall
In Callao, during April, the rain falls for 14.5 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, there are 134.7 rainfall days, and 26.38" (670mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.8 snowfall days, in April, Callao aggregates 0.24" (6mm) of snow. In Callao, Missouri, during the entire year, snow falls for 21.8 days and aggregates up to 11.14" (283mm) of snow.Daylight
In April, the average length of the day is 13h and 17min.On the first day of April in Callao, sunrise is at 6:53 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:04 pm CDT.
Sunshine
The average sunshine in April is 8.2h.UV index
In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In April, an average UV index of 4 transforms into the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Callao, MO
- Average high temperature in April: 62.4°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in April: 45.1°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in April
Callao, MO
- Average pressure in April: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Callao, MO
- Average wind speed in April: 10.2mph
The windiest month (with the highest average wind speed) is February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in April
Callao, MO
- Average humidity in April: 75%
The months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Callao, MO
- Average rainfall in April: 2.72"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in April
Callao, MO
- Average rainfall days in April: 14.5 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in April
Callao, MO
- Average snowfall in April: 0.24"
The month with the highest snowfall is January (3.86").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Callao, MO
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (6.7 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
Callao, 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 24min).
- Average sunshine in April: 8h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in April
Callao, MO
- Average sunshine days in April: 13.7 days
The month with the most sunshine days is December (21.3 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in April
Callao, MO
- 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
Callao, MO
- Average cloud cover in April: 43
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in April
Callao, 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).
