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
Callao's April weather brings a rise in high-temperatures, moving from a fresh 51.1°F (10.6°C) in March to a refreshing 62.4°F (16.9°C). In Callao, the April nights cool down to an average low of 45.1°F (7.3°C).Humidity
In Callao, the average relative humidity in April is 75%.Rainfall
In April, the rain falls for 14.5 days. Throughout April, 2.72" (69mm) of precipitation is accumulated. Throughout the year, there are 134.7 rainfall days, and 26.38" (670mm) of precipitation is accumulated.Snowfall
Months with snowfall in Callao are January through April, October through December. April is the last month it regularly snows in Callao. During 0.8 snowfall days, in April, Callao aggregates 0.24" (6mm) of snow. In Callao, during the entire year, snow falls for 21.8 days and aggregates up to 11.14" (283mm) of snow.Daylight
The average length of the day in April in Callao is 13h and 17min.On the first day of the month, sunrise is at 6:53 am and sunset at 7:35 pm. On the last day of April, in Callao, Missouri, sunrise is at 6:11 am and sunset at 8:04 pm CDT.
Sunshine
In Callao, the average sunshine in April is 8.2h.UV index
The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 4 during April translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What is the temperature in April in Callao?
What is the average humidity in April in Callao?
How many days does it rain in April in Callao?
What is the last month it snows in Callao?
What is the average length of the day in April in Callao?
When are sunrise and sunset in April in Callao?
How many hours of sunshine does Callao have in April?
What is the UV index intensity in April in Callao?
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 2min
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 1min
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).
Callao, Missouri, USA
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