April weather forecast and climate
Maryland Heights, MO

April in Maryland Heights, Missouri, is a comfortable spring month, with temperature in the range of an average high of 65.3°F (18.5°C) and an average low of 48°F (8.9°C).

Temperature

In Maryland Heights, the average high-temperature rises, from a cool 54.1°F (12.3°C) in March, to an enjoyable 65.3°F (18.5°C). The average low-temperature, in April, is 48°F (8.9°C).

Humidity

In Maryland Heights, Missouri, the average relative humidity is 75%.

Rainfall

In April, in Maryland Heights, Missouri, the rain falls for 14.8 days. Throughout April, 3.19" (81mm) of precipitation is accumulated. Throughout the year, there are 141.9 rainfall days, and 27.68" (703mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Maryland Heights.

Daylight

The average length of the day in Maryland Heights, Missouri, is 13.3h.

Sunshine

The average sunshine in April is 8.6h.

UV index

The average daily maximum UV index in Maryland Heights is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: In April, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in April in Maryland Heights?

In April, in Maryland Heights, the average high-temperature is 65.3°F (18.5°C), and the average low-temperature is 48°F (8.9°C).

What is the average humidity in April in Maryland Heights?

The average relative humidity in April in Maryland Heights, Missouri, is 75%.

How much does it rain in Maryland Heights in April?

In Maryland Heights, in April, during 14.8 rainfall days, 3.19" (81mm) of precipitation is typically accumulated.

Does it snow in Maryland Heights in April?

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

When it does not snow in Maryland Heights?

In Maryland Heights snow does not fall in April through October.

How many hours of daylight does Maryland Heights have in April?

In Maryland Heights, the average length of the day in April is 13.3h.

How long on average sun shines in April in Maryland Heights?

In April, the average sunshine is 8.6h.

What is the UV index reading in April in Maryland Heights?

In Maryland Heights, Missouri, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in April - Maryland Heights, MO
  • Average high temperature in April: 18.5°C

The warmest month (with the highest average high temperature) is July (30.4°C).
The month with the lowest average high temperature is January (2.9°C).

  • Average low temperature in April: 8.9°C

The month with the highest average low temperature is July (20.5°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).

Average pressure in April - Maryland Heights, MO
  • Average pressure in April: 1013.8mbar

The month with the highest atmospheric pressure is January (1021.2mbar).
The month with the lowest atmospheric pressure is June (1013.2mbar).

Average wind speed in April - Maryland Heights, MO
  • Average wind speed in April: 14.4km/h

The windiest month (with the highest average wind speed) is January (14.9km/h).
The calmest months (with the lowest average wind speed) are July and August (9km/h).

Average humidity in April - Maryland Heights, MO
  • Average humidity in April: 75%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (70%).

Average rainfall in April - Maryland Heights, MO
  • Average rainfall in April: 81mm

The wettest month (with the highest rainfall) is May (84mm).
The driest month (with the least rainfall) is February (36mm).

Average rainfall days in April - Maryland Heights, MO
  • Average rainfall days in April: 14.8 days

The month with the highest number of rainy days is July (16.3 days).
Months with the least rainy days are February and December (7.3 days).

Average snowfall in April - Maryland Heights, MO
  • Average snowfall in April: 0mm

The month with the highest snowfall is February (52mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in April - Maryland Heights, MO
  • Average snowfall days in April: 0.2 days

The month with the highest number of snowfall days is January (6.8 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in April / Average sunshine in April - Maryland Heights, MO
  • Average daylight in April: 13.3h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in April: 8.6h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is January (Average sunshine: 4.6h).

Average sunshine days in April - Maryland Heights, MO
  • Average sunshine days in April: 13.2 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.4 days).

Average UV index in April - Maryland Heights, MO
  • Average UV index in April: 5

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in April - Maryland Heights, MO
  • Average cloud cover in April: 41

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in April - Maryland Heights, MO
  • Average visibility in April: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).