May weather forecastRivervale, AR
May
Weather in May
The last month of the spring, May, is a moderately hot month in Rivervale, Arkansas, with an average temperature varying between 62.8°F (17.1°C) and 78.4°F (25.8°C).Temperature
May brings a slight increase in the average high-temperature, progressing from a pleasant 69.6°F (20.9°C) in April to a warm 78.4°F (25.8°C). Rivervale's temperature lowers to a mean of 62.8°F (17.1°C) during the nights in May.Humidity
The average relative humidity in May is 76%.Rainfall
The month with the most rainfall is May, when the rain falls for 16.8 days and typically aggregates up to 4.72" (120mm) of precipitation.Snowfall
In Rivervale, snow does not fall in April through October.Daylight
The average length of the day in May is 14h and 4min.On the first day of May, sunrise is at 6:08 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:11 pm CDT.
Sunshine
In May, the average sunshine is 9.3h.UV index
In May, the average daily maximum UV index in Rivervale is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.Note: In May, the UV index of 6 transforms into the following advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rivervale, AR
- Average high temperature in May: 78.4°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in May: 62.8°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).
Average pressure in May
Rivervale, AR
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Rivervale, AR
- Average wind speed in May: 7.6mph
The windiest month (with the highest average wind speed) is February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Rivervale, AR
- Average humidity in May: 76%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in May
Rivervale, AR
- Average rainfall in May: 4.72"
The wettest month (with the highest rainfall) is May (4.72").
The driest month (with the least rainfall) is September (2.56").
Average rainfall days in May
Rivervale, AR
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in May
Rivervale, AR
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Rivervale, AR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Rivervale, AR
- Average daylight in May: 14h and 6min
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 May: 9h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Rivervale, AR
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in May
Rivervale, AR
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Rivervale, AR
- Average cloud cover in May: 35
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in May
Rivervale, AR
- Average visibility in May: 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).





