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
As March transitions into April, a change in temperatures is observed, with average highs moving from a refreshing 57.9°F (14.4°C) to an agreeable 68.5°F (20.3°C). In the month of April, an average of 47.8°F (8.8°C) marks the low-temperature.Humidity
In April, the average relative humidity is 76%.Rainfall
In Rio Vista, during April, the rain falls for 11.4 days and regularly aggregates up to 1.06" (27mm) of precipitation. Throughout the year, in Rio Vista, Tennessee, there are 117.7 rainfall days, and 11.34" (288mm) of precipitation is accumulated.Snowfall
In Rio Vista, snow does not fall in April through September.Daylight
In Rio Vista, the average length of the day in April is 13h and 7min.On the first day of the month, sunrise is at 7:21 am and sunset at 7:58 pm. On the last day of April, sunrise is at 6:44 am and sunset at 8:23 pm EDT.
Sunshine
The average sunshine in April is 8.6h.UV index
The average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In April, the maximum UV index of 5 translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Rio Vista?
What is the average humidity in April?
How many days 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?
What time are sunrise and sunset in April in Rio Vista?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Rio Vista, TN
- Average high temperature in April: 68.5°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in April: 47.8°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in April
Rio Vista, TN
- Average pressure in April: 30"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in April
Rio Vista, TN
- Average wind speed in April: 6.1mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in April
Rio Vista, TN
- Average humidity in April: 76%
The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall in April
Rio Vista, TN
- Average rainfall in April: 1.06"
The wettest month (with the highest rainfall) is February (1.3").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in April
Rio Vista, TN
- Average rainfall days in April: 11.4 days
The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in April
Rio Vista, TN
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in April
Rio Vista, TN
- Average snowfall days in April: 0.2 days
The months with the highest number of snowfall days are January and February (3.7 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
Rio Vista, TN
- 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 4min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in April
Rio Vista, TN
- Average sunshine days in April: 16.4 days
The month with the most sunshine days is October (21.5 days).
The months with the least sunshine days are February and July (15.9 days).
Average UV index in April
Rio Vista, TN
- 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
Rio Vista, TN
- Average cloud cover in April: 37
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in April
Rio Vista, TN
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Rio Vista, Tennessee, USA
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