May weather forecastGreenbrier, TN
May
Weather in May
The last month of the spring, May, is a moderately hot month in Greenbrier, Tennessee, with an average temperature varying between 76.6°F (24.8°C) and 58.5°F (14.7°C).Temperature
As Greenbrier welcomes May, the average high-temperature displays a subtle shift, adjusting from a pleasant 68.4°F (20.2°C) in April to a moderately hot 76.6°F (24.8°C). During the month of May, Greenbrier's nighttime temperature lowers to an average of 58.5°F (14.7°C).Humidity
The months with the highest humidity in Greenbrier are March, May and December, with an average relative humidity of 79%.Rainfall
In Greenbrier, in May, it is raining for 17.3 days, with typically 3.43" (87mm) of accumulated precipitation. In Greenbrier, during the entire year, the rain falls for 174.6 days and collects up to 37.68" (957mm) of precipitation.Snowfall
May through October are months without snowfall in Greenbrier.Daylight
In May, the average length of the day is 14h and 7min.On the first day of May in Greenbrier, sunrise is at 5:52 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 7:59 pm CDT.
Sunshine
In May, the average sunshine in Greenbrier is 9.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 6 in May transforms into this advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Greenbrier, TN
- Average high temperature in May: 76.6°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (43°F).
- Average low temperature in May: 58.5°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure in May
Greenbrier, 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 (29.96"Hg).
Average wind speed in May
Greenbrier, TN
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in May
Greenbrier, TN
- Average humidity in May: 79%
The months with the highest relative humidity are March, May and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Greenbrier, TN
- Average rainfall in May: 3.43"
The wettest month (with the highest rainfall) is July (4.37").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in May
Greenbrier, TN
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in May
Greenbrier, TN
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Greenbrier, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.8 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
Greenbrier, TN
- 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 12min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in May
Greenbrier, TN
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in May
Greenbrier, 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
Greenbrier, TN
- Average cloud cover in May: 39
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in May
Greenbrier, TN
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





