May weather forecastRoyal, AR
May
Weather in May
May, the last month of the spring in Royal, is a moderately hot month, with an average temperature ranging between min 60.3°F (15.7°C) and max 79.5°F (26.4°C).Temperature
The commencement of May sees a minor shift in the average high-temperature, moving from a pleasant 71.2°F (21.8°C) in April to a moderately hot 79.5°F (26.4°C). Royal witnesses a consistent average low-temperature of 60.3°F (15.7°C) throughout May.Humidity
In Royal, the average relative humidity in May is 78%.Rainfall
In Royal, in May, it is raining for 14.2 days, with typically 3.46" (88mm) of accumulated precipitation. Throughout the year, there are 148.1 rainfall days, and 33.78" (858mm) of precipitation is accumulated.Snowfall
In Royal, snow does not fall in April through October.Daylight
In May, the average length of the day in Royal is 13h and 59min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:57 pm. On the last day of May, sunrise is at 6:01 am and sunset at 8:20 pm CDT.
Sunshine
The average sunshine in May in Royal is 8.6h.UV index
The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 6 in May translates into the following instructions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. 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
Average temperature in May
Royal, AR
- Average high temperature in May: 79.5°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (49.3°F).
- Average low temperature in May: 60.3°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in May
Royal, AR
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Royal, AR
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in May
Royal, AR
- Average humidity in May: 78%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Royal, AR
- Average rainfall in May: 3.46"
The wettest month (with the highest rainfall) is April (3.9").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days in May
Royal, AR
- Average rainfall days in May: 14.2 days
The month with the highest number of rainy days is August (15.9 days).
The month with the least rainy days is January (9.2 days).
Average snowfall in May
Royal, AR
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Royal, AR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.7 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
Royal, AR
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).
Average sunshine days in May
Royal, AR
- Average sunshine days in May: 15.3 days
The months with the most sunshine days are January and October (19.4 days).
The month with the least sunshine days is August (13.5 days).
Average UV index in May
Royal, AR
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Royal, AR
- Average cloud cover in May: 40
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 30).
Average visibility in May
Royal, AR
- Average visibility in May: 5mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).





