May weather forecastPrim, AR
May
Weather in May
The last month of the spring, May, is a warm month in Prim, Arkansas, with an average temperature ranging between max 77.7°F (25.4°C) and min 58.1°F (14.5°C).Temperature
May's onset witnesses a shift in the average high-temperature, moving from an agreeable 68.7°F (20.4°C) in April to a moderately hot 77.7°F (25.4°C). The average low-temperature during May nights is a refreshing 58.1°F (14.5°C).Humidity
The months with the highest humidity are March and May, with an average relative humidity of 79%.Rainfall
In Prim, during May, the rain falls for 16.8 days and regularly aggregates up to 3.66" (93mm) of precipitation. Throughout the year, there are 156.1 rainfall days, and 34.69" (881mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in May is 14h and 4min.On the first day of May, sunrise is at 6:15 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:18 pm CDT.
Sunshine
In Prim, the average sunshine in May is 9.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 6 in May, converts into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Prim, AR
- Average high temperature in May: 77.7°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in May: 58.1°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in May
Prim, 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 (29.93"Hg).
Average wind speed in May
Prim, AR
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in May
Prim, AR
- Average humidity in May: 79%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Prim, AR
- Average rainfall in May: 3.66"
The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in May
Prim, AR
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in May
Prim, AR
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Prim, AR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Prim, 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 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in May
Prim, AR
- Average sunshine days in May: 13 days
The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is August (10.8 days).
Average UV index in May
Prim, AR
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Prim, AR
- Average cloud cover in May: 38
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in May
Prim, AR
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).





