May weather forecastOrchard Knob, TN
May
Weather in May
The last month of the spring, May, is a moderately hot month in Orchard Knob, Tennessee, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 57.2°F (14°C).Temperature
May witnesses a subtle temperature ascent, adjusting from a pleasant 70.2°F (21.2°C) in April to a warm 78.6°F (25.9°C). Orchard Knob records a consistent low-temperature of 57.2°F (14°C) during May nights.Humidity
In May, the average relative humidity is 76%.Rainfall
In May, the rain falls for 15.8 days. Throughout May, 3.31" (84mm) of precipitation is accumulated. In Orchard Knob, during the entire year, the rain falls for 172.9 days and collects up to 40.35" (1025mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Orchard Knob, the average length of the day in May is 14h and 1min.On the first day of May, sunrise is at 6:49 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 8:49 pm EDT.
Sunshine
In May, the average sunshine is 9.6h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 6 during May, leads to the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Orchard Knob, TN
- Average high temperature in May: 78.6°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in May: 57.2°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in May
Orchard Knob, TN
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Orchard Knob, TN
- Average wind speed in May: 5.1mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).
Average humidity in May
Orchard Knob, TN
- Average humidity in May: 76%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Orchard Knob, TN
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is September (2.48").
Average rainfall days in May
Orchard Knob, TN
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in May
Orchard Knob, TN
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Orchard Knob, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (2.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Orchard Knob, TN
- Average daylight in May: 14h and 0min
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 36min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in May
Orchard Knob, TN
- Average sunshine days in May: 13.1 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9 days).
Average UV index in May
Orchard Knob, 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
Orchard Knob, TN
- Average cloud cover in May: 35
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in May
Orchard Knob, TN
- Average visibility in May: 5mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).





