April weather forecast
Mehlville, MO

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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.
Updated: Jun 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in April?

Mehlville in April has an average high-temperature of 65.7°F (18.7°C) and an average low-temperature of 48°F (8.9°C).

What is the average humidity in April?

The average relative humidity in April is 75%.

How much does it rain in April?

In April, the rain falls for 14.7 days. Throughout April, 3.43" (87mm) of precipitation is accumulated.

When it does not snow?

In Mehlville, snow does not fall in April through October.

Does it snow in April?

In April, it doesn't snow. March is the latest month when it typically snows.

What is the average length of the day in April?

In Mehlville, the average day length in April is 13h and 14min.

When is the sunrise / sunset in April?

In April, on the first day of the month, 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.

How many hours of sunshine does Mehlville have in April?

In April, the average sunshine duration is 8.4h.

What is the UV index reading in April?

In April, the average daily maximum UV index in Mehlville is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Mehlville, MO

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in April - Mehlville, MO
  • Average daylight in April: 13h and 1min

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 2min

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 - 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 - 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 - 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 - 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).

Mehlville, Missouri, USA

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