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 arrival of April brings a temperature shift, with the average high-temperature escalating from a fresh 53.8°F (12.1°C) in March to a refreshing 66°F (18.9°C). In April, Rio encounters an average low-temperature of 45.1°F (7.3°C) during the night.Humidity
The average relative humidity in April is 73%.Rainfall
The wettest months in Rio are April and May, with an average 2.91" (74mm) of rainfall.Snowfall
January through April, November and December are months with snowfall in Rio. April is the last month it regularly snows in Rio, Virginia. During 0.2 snowfall days, in April, Rio aggregates 0.51" (13mm) of snow. Throughout the year, there are 14.6 snowfall days, and 10.43" (265mm) of snow is accumulated.Daylight
In Rio, the average length of the day in April is 13h and 13min.On the first day of the month, sunrise is at 6:57 am and sunset at 7:37 pm. On the last day of April, in Rio, Virginia, sunrise is at 6:17 am and sunset at 8:04 pm EDT.
Sunshine
In Rio, the average sunshine in April is 9.1h.UV index
In April, the average daily maximum UV index in Rio is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 4 in April leads to these recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What is the average April temperature in Rio?
What is the average humidity in April in Rio?
What is the rainiest month in Rio?
How much does it rain in Rio in April?
What is the last month it snows in Rio?
What is the average length of the day in April in Rio?
When are sunrise and sunset in April in Rio?
How long on average sun shines in April in Rio?
What is the UV index reading in April in Rio?
Average temperature in April
Rio, VA
- Average high temperature in April: 66°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in April: 45.1°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in April
Rio, VA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in April
Rio, VA
- Average wind speed in April: 6.3mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in April
Rio, VA
- Average humidity in April: 73%
The months with the highest relative humidity are May, September, October and December (76%).
The month with the lowest relative humidity is July (71%).
Average rainfall in April
Rio, VA
- Average rainfall in April: 2.91"
The wettest months (with the highest rainfall) are April and May (2.91").
The driest month (with the least rainfall) is January (1.69").
Average rainfall days in April
Rio, VA
- Average rainfall days in April: 14.4 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in April
Rio, VA
- Average snowfall in April: 0.51"
The month with the highest snowfall is March (3.07").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Rio, VA
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (4.6 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
Rio, VA
- 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: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in April
Rio, VA
- Average sunshine days in April: 14 days
The month with the most sunshine days is December (19.9 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in April
Rio, VA
- 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
Rio, VA
- Average cloud cover in April: 39
The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in April
Rio, VA
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, June, July, August and November (6mi).
The months with the lowest visibility are January, May, September, October and December (5mi).
Rio, Virginia, USA
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