May weather forecastArno, TN
May
Weather in May
May, the last month of the spring in Arno, is a moderately hot month, with an average temperature varying between 59.2°F (15.1°C) and 77.7°F (25.4°C).Temperature
As April transitions into May, a subtle temperature shift is observed, with average highs adjusting from a pleasant 69.6°F (20.9°C) to a warm 77.7°F (25.4°C). Nightly temperatures in Arno drop to an average low of 59.2°F (15.1°C) in May.Humidity
In Arno, the average relative humidity in May is 76%.Rainfall
In May, the rain falls for 16.8 days. Throughout May, 3.27" (83mm) of precipitation is accumulated. Throughout the year, there are 174.9 rainfall days, and 39.33" (999mm) of precipitation is accumulated.Snowfall
In Arno, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 4min.On the first day of the month, sunrise is at 5:53 am and sunset at 7:34 pm. On the last day of May, sunrise is at 5:32 am and sunset at 7:57 pm CDT.
Sunshine
In Arno, the average sunshine in May is 9.4h.UV index
The months with the highest UV index in Arno are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Arno, TN
- Average high temperature in May: 77.7°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in May: 59.2°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in May
Arno, TN
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Arno, TN
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in May
Arno, TN
- Average humidity in May: 76%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Arno, TN
- Average rainfall in May: 3.27"
The wettest month (with the highest rainfall) is July (4.41").
The driest months (with the least rainfall) are September and November (2.32").
Average rainfall days in May
Arno, TN
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in May
Arno, TN
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Arno, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.2 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
Arno, TN
- 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in May
Arno, TN
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in May
Arno, TN
- 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
Arno, TN
- Average cloud cover in May: 37
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in May
Arno, TN
- 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).





