May weather forecastForest Highlands, TN
May
Weather in May
The last month of the spring, May, is a moderately hot month in Forest Highlands, Tennessee, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 56.8°F (13.8°C).Temperature
Forest Highlands in May experiences a slight uptick in the average high-temperature, adjusting from April's agreeable 69.4°F (20.8°C) to a moderately hot 77.9°F (25.5°C). In Forest Highlands, the average nighttime temperature during May is a mild 56.8°F (13.8°C).Humidity
In May, the average relative humidity is 77%.Rainfall
In Forest Highlands, in May, during 9.9 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Forest Highlands, during the entire year, the rain falls for 104.5 days and collects up to 10.98" (279mm) of precipitation.Snowfall
In Forest Highlands, snow does not fall in April through November.Daylight
The average length of the day in May is 14h and 1min.On the first day of the month, sunrise is at 6:49 am and sunset at 8:27 pm. On the last day of May, sunrise is at 6:27 am and sunset at 8:49 pm EDT.
Sunshine
The average sunshine in May 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 of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 6 during May translates into the following directions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Forest Highlands, TN
- Average high temperature in May: 77.9°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in May: 56.8°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in May
Forest Highlands, 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
Forest Highlands, TN
- Average wind speed in May: 5mph
The windiest month (with the highest average wind speed) is February (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in May
Forest Highlands, TN
- Average humidity in May: 77%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, October and November (75%).
Average rainfall in May
Forest Highlands, TN
- Average rainfall in May: 0.83"
The wettest months (with the highest rainfall) are February and December (1.18").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in May
Forest Highlands, TN
- Average rainfall days in May: 9.9 days
The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is October (6.1 days).
Average snowfall in May
Forest Highlands, TN
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Forest Highlands, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.3 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
Forest Highlands, 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
Forest Highlands, TN
- Average sunshine days in May: 18.9 days
The month with the most sunshine days is October (23.6 days).
The month with the least sunshine days is July (16.8 days).
Average UV index in May
Forest Highlands, 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, February and December (UV index 2).
Average cloud cover in May
Forest Highlands, TN
- Average cloud cover in May: 36
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
Forest Highlands, TN
- Average visibility in May: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).





