May weather forecastHarrisburg, AR
May
Weather in May
May, the last month of the spring in Harrisburg, is a moderately hot month, with an average temperature ranging between max 78.4°F (25.8°C) and min 62.8°F (17.1°C).Temperature
May's arrival coincides with a marginal rise in the average high-temperature, moving from April's agreeable 69.8°F (21°C) to a warm 78.4°F (25.8°C). In the month of May, the temperature generally rests at an average low of 62.8°F (17.1°C).Humidity
The average relative humidity in May is 76%.Rainfall
The month with the most rainfall is May, when the rain falls for 15.6 days and typically aggregates up to 4.17" (106mm) of precipitation.Snowfall
In Harrisburg, snow does not fall in April through October.Daylight
In May, the average length of the day in Harrisburg is 14h and 4min.On the first day of May in Harrisburg, sunrise is at 6:10 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:12 pm CDT.
Sunshine
The average sunshine in May in Harrisburg is 9.4h.UV index
In Harrisburg, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 6 in May interprets into the following advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Harrisburg, AR
- Average high temperature in May: 78.4°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (45.5°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 (32.9°F).
Average pressure in May
Harrisburg, 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
Harrisburg, 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
Harrisburg, 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 (67%).
Average rainfall in May
Harrisburg, AR
- Average rainfall in May: 4.17"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is January (2.28").
Average rainfall days in May
Harrisburg, AR
- Average rainfall days in May: 15.6 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is December (10 days).
Average snowfall in May
Harrisburg, AR
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Harrisburg, AR
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (1.9 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
Harrisburg, 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 24min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Harrisburg, AR
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in May
Harrisburg, AR
- Average UV index in May: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Harrisburg, 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
Harrisburg, 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).





