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
April's arrival signals an increase in average high-temperatures, moving from March's fresh 55°F (12.8°C) to a comfortable 66.2°F (19°C). An average nighttime temperature of 47.1°F (8.4°C) is noted during the month of April.Humidity
The average relative humidity in April is 75%.Rainfall
In Vienna, in April, during 14.8 rainfall days, 3.82" (97mm) of precipitation is typically accumulated. In Vienna, during the entire year, the rain falls for 147.2 days and collects up to 31.02" (788mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows in Vienna. During 0.4 snowfall days, in April, Vienna aggregates 0.08" (2mm) of snow. Throughout the year, there are 24.7 snowfall days, and 11.1" (282mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 13min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:31 pm. On the last day of April, sunrise is at 6:11 am and sunset at 7:58 pm CDT.
Sunshine
In April, the average sunshine is 8.4h.UV index
In Vienna, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 4 in April, converts into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Vienna in April?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
How many hours of daylight does Vienna have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Vienna have in April?
What is the UV index intensity in April?
Average temperature in April
Vienna, MO
- Average high temperature in April: 66.2°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (39.2°F).
- Average low temperature in April: 47.1°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in April
Vienna, MO
- Average pressure in April: 29.93"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
Vienna, MO
- Average wind speed in April: 8.3mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in April
Vienna, MO
- Average humidity in April: 75%
The months with the highest relative humidity are March and May (77%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Vienna, MO
- Average rainfall in April: 3.82"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is November (1.65").
Average rainfall days in April
Vienna, MO
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is December (7 days).
Average snowfall in April
Vienna, MO
- Average snowfall in April: 0.08"
The month with the highest snowfall is February (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Vienna, MO
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Vienna, 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 36min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in April
Vienna, MO
- Average sunshine days in April: 14 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in April
Vienna, MO
- Average UV index in April: 4
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, November and December (UV index 2).
Average cloud cover in April
Vienna, MO
- Average cloud cover in April: 42
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in April
Vienna, MO
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Vienna, Missouri, USA
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