May weather forecastHarmon, AR
May
Weather in May
May, the last month of the spring in Harmon, is a moderately hot month, with an average temperature ranging between max 76.3°F (24.6°C) and min 57.2°F (14°C).Temperature
May witnesses a subtle temperature ascent, adjusting from an enjoyable 67.6°F (19.8°C) in April to a moderately hot 76.3°F (24.6°C). During the month of May, Harmon's nighttime temperature lowers to an average of 57.2°F (14°C).Humidity
With an average relative humidity of 78%, May is the most humid month.Rainfall
May is the month with the most rainfall. Rain falls for 16.8 days and accumulates 4.13" (105mm) of precipitation.Snowfall
Months with snowfall in Harmon, Arkansas, are January through May, November and December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Harmon aggregates 0.12" (3mm) of snow. Throughout the year, there are 12.1 snowfall days, and 4.53" (115mm) of snow is accumulated.Daylight
In Harmon, the average length of the day in May is 14h and 6min.On the first day of May in Harmon, sunrise is at 6:23 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:28 pm CDT.
Sunshine
In May, the average sunshine is 9.1h.UV index
The months with the highest UV index in Harmon are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 6 during May, leads to the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Harmon, AR
- Average high temperature in May: 76.3°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (44.4°F).
- Average low temperature in May: 57.2°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in May
Harmon, AR
- Average pressure in May: 29.95"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
Harmon, AR
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in May
Harmon, AR
- Average humidity in May: 78%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are August and October (71%).
Average rainfall in May
Harmon, AR
- Average rainfall in May: 4.13"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days in May
Harmon, AR
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in May
Harmon, AR
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Harmon, AR
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Harmon, 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 42min).
- Average sunshine in May: 9h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in May
Harmon, AR
- Average sunshine days in May: 12.8 days
The months with the most sunshine days are January and December (19.8 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in May
Harmon, AR
- Average UV index in May: 6
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 and December (UV index 2).
Average cloud cover in May
Harmon, AR
- Average cloud cover in May: 37
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in May
Harmon, 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).





