April weather forecastMehlville, MO
April
Weather in April
April brings a generous increase in the temperature range, making it a welcome change for inhabitants of Mehlville. The rise in humidity levels keeps the weather overall moist, although it does not obscure the burgeoning warmth. Importantly, rainfall reaches its peak density in April, with the monthly average hitting 3.43" (87mm). As a pleasant surprise, snowfall is absent, a clear sign of winter's end. To wrap it up, outdoor activities become increasingly possible as daylight extends over the span of 13.2 hours.Temperature
The arrival of April brings an increase in high-temperatures, moving from a fresh 54.5°F (12.5°C) in March to a refreshing 65.7°F (18.7°C). The month of April records an average low-temperature of 48°F (8.9°C).Humidity
The average relative humidity in April is 75%.Rainfall
In April, the rain falls for 14.7 days. Throughout April, 3.43" (87mm) of precipitation is accumulated. In Mehlville, during the entire year, the rain falls for 146.1 days and collects up to 32.36" (822mm) of precipitation.Snowfall
In Mehlville, snow does not fall in April through October.Daylight
In Mehlville, the average length of the day in April is 13h and 14min.On the first day of April, sunrise is at 6:44 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 7:52 pm CDT.
Sunshine
In April, the average sunshine in Mehlville is 8.4h.UV index
In Mehlville, the average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 5 in April suggests the following recommendations:
Take precautions - Protection against sun damage is advised. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Keep in mind! Snow's reflective quality can nearly 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
Mehlville, MO
- Average high temperature in April: 65.7°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in April: 48°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in April
Mehlville, MO
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Mehlville, MO
- Average wind speed in April: 8.8mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in April
Mehlville, MO
- Average humidity in April: 75%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Mehlville, MO
- Average rainfall in April: 3.43"
The wettest month (with the highest rainfall) is May (3.94").
The driest months (with the least rainfall) are February and November (1.77").
Average rainfall days in April
Mehlville, MO
- Average rainfall days in April: 14.7 days
The month with the highest number of rainy days is July (16.9 days).
The months with the least rainy days are January and February (6.8 days).
Average snowfall in April
Mehlville, MO
- Average snowfall in April: 0"
The month with the highest snowfall is February (2.6").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Mehlville, MO
- Average snowfall days in April: 0.1 days
The months with the highest number of snowfall days are January and February (4.8 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
Mehlville, MO
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 24min
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 30min).
Average sunshine days in April
Mehlville, MO
- Average sunshine days in April: 14 days
The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in April
Mehlville, MO
- Average UV index in April: 5
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 and December (UV index 2).
Average cloud cover in April
Mehlville, MO
- Average cloud cover in April: 41
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in April
Mehlville, 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).
