May weather forecastAlco, AR
May
Weather in May
The last month of the spring, May, is a moderately hot month in Alco, Arkansas, with an average temperature fluctuating between 58.1°F (14.5°C) and 77.7°F (25.4°C).Temperature
Alco in May sees a temperature change, with average high-temperatures moving from a pleasant 68.7°F (20.4°C) in April to a warm 77.7°F (25.4°C). May's nights in Alco observe an average temperature of 58.1°F (14.5°C).Humidity
March and May, with an average relative humidity of 79%, are the most humid months.Rainfall
In Alco, in May, it is raining for 16.8 days, with typically 3.66" (93mm) of accumulated 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
In May, the average length of the day is 14h and 5min.On the first day of May, sunrise is at 6:16 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:20 pm CDT.
Sunshine
In May, the average sunshine is 9.2h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 6 in May translates into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Alco, 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
Alco, 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
Alco, 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
Alco, 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
Alco, 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
Alco, 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
Alco, 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
Alco, 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
Alco, AR
- Average daylight in May: 14h and 6min
The month with the longest days is June (Average daylight: 14h and 36min).
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
Alco, 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
Alco, 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
Alco, 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
Alco, 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).





