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
In Saint Louis, the average high-temperature in April slightly rises, from an enjoyable 62.6°F (17°C) in March, to an agreeable 70.3°F (21.3°C). Saint Louis in April experiences a low-temperature average of 52°F (11.1°C).Humidity
The average relative humidity in April is 73%.Rainfall
In Saint Louis, Oklahoma, during April, the rain falls for 12.1 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Saint Louis, during the entire year, the rain falls for 111.2 days and collects up to 17.13" (435mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.1 snowfall days, in April, Saint Louis aggregates 0.08" (2mm) of snow. In Saint Louis, during the entire year, snow falls for 4.3 days and aggregates up to 1.5" (38mm) of snow.Daylight
The average length of the day in April is 13h and 6min.On the first day of the month, sunrise is at 7:12 am and sunset at 7:49 pm. On the last day of April, sunrise is at 6:36 am and sunset at 8:12 pm CDT.
Sunshine
In Saint Louis, the average sunshine in April is 8.3h.UV index
In April, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 5 in April transforms into this advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How much does it rain in Saint Louis in April?
What is the last month it snows?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does Saint Louis have in April?
What is the UV index reading in April?
Average temperature in April
Saint Louis, OK
- Average high temperature in April: 70.3°F
The warmest month (with the highest average high temperature) is August (92.5°F).
The month with the lowest average high temperature is January (49.3°F).
- Average low temperature in April: 52°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in April
Saint Louis, OK
- Average pressure in April: 29.91"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
Saint Louis, OK
- Average wind speed in April: 11.1mph
The windiest months (with the highest average wind speed) are March and April (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in April
Saint Louis, OK
- Average humidity in April: 73%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (63%).
Average rainfall in April
Saint Louis, OK
- Average rainfall in April: 1.85"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in April
Saint Louis, OK
- Average rainfall days in April: 12.1 days
The month with the highest number of rainy days is May (12.4 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in April
Saint Louis, OK
- Average snowfall in April: 0.08"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Saint Louis, OK
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Saint Louis, OK
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in April
Saint Louis, OK
- Average sunshine days in April: 15.9 days
The month with the most sunshine days is January (24 days).
The months with the least sunshine days are April, May and September (15.9 days).
Average UV index in April
Saint Louis, OK
- Average UV index in April: 5
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in April
Saint Louis, OK
- Average cloud cover in April: 37
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in April
Saint Louis, OK
- 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).
Saint Louis, Oklahoma, USA
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