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
The onset of April brings a minor temperature shift, with the average high-temperature moving from an agreeable 68.2°F (20.1°C) in March to a warm 75°F (23.9°C). During April, the average low-temperature is recorded at a refreshing 56.3°F (13.5°C).Humidity
The average relative humidity in April is 70%.Rainfall
In Rio Vista, in April, it is raining for 13.1 days, with typically 2.68" (68mm) of accumulated precipitation. In Rio Vista, during the entire year, the rain falls for 135 days and collects up to 29.92" (760mm) of precipitation.Snowfall
In Rio Vista, snow does not fall in January, April through October and December.Daylight
The average length of the day in April is 12h and 59min.On the first day of April, sunrise is at 7:16 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 8:10 pm CDT.
Sunshine
In April, the average sunshine is 8.2h.UV index
In Rio Vista, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 5 during April translates into the following directions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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 April?
When it does not snow?
Does it snow in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
Rio Vista, TX
- Average high temperature in April: 75°F
The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (55.8°F).
- Average low temperature in April: 56.3°F
The month with the highest average low temperature is August (75.6°F).
The coldest month (with the lowest average low temperature) is January (39°F).
Average pressure in April
Rio Vista, TX
- 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 (29.9"Hg).
Average wind speed in April
Rio Vista, TX
- Average wind speed in April: 10.6mph
The windiest months (with the highest average wind speed) are March and April (10.6mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).
Average humidity in April
Rio Vista, TX
- Average humidity in April: 70%
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (57%).
Average rainfall in April
Rio Vista, TX
- Average rainfall in April: 2.68"
The wettest month (with the highest rainfall) is October (4.21").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in April
Rio Vista, TX
- Average rainfall days in April: 13.1 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in April
Rio Vista, TX
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are January, April, May, June, July, August, September, October and December (0").
Average snowfall days in April
Rio Vista, TX
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Rio Vista, TX
- Average daylight in April: 13h and 0min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in April
Rio Vista, TX
- Average sunshine days in April: 14.7 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is May (13.4 days).
Average UV index in April
Rio Vista, TX
- Average UV index in April: 5
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in April
Rio Vista, TX
- Average cloud cover in April: 36
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in April
Rio Vista, TX
- 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).
Rio Vista, Texas, USA
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