May weather forecastByington, TN
May
Weather in May
The last month of the spring, May, is a warm month in Byington, Tennessee, with an average temperature fluctuating between 77.9°F (25.5°C) and 55.8°F (13.2°C).Temperature
May marks a minor ascent in the average high-temperature, adjusting from April's pleasant 69.1°F (20.6°C) to a warm 77.9°F (25.5°C). The average low-temperature reading in May for Byington reflects a significant fall from the daytime highs, stabilizing at a mild 55.8°F (13.2°C).Humidity
In Byington, the average relative humidity in May is 75%.Rainfall
In Byington, in May, it is raining for 16.9 days, with typically 2.72" (69mm) of accumulated precipitation. In Byington, during the entire year, the rain falls for 177.6 days and collects up to 37.91" (963mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Byington, the average length of the day in May is 14h and 5min.On the first day of the month, sunrise is at 6:42 am and sunset at 8:24 pm. On the last day of May, sunrise is at 6:21 am and sunset at 8:47 pm EDT.
Sunshine
In Byington, the average sunshine in May is 10.1h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index, 6 during May, leads to the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Byington, TN
- Average high temperature in May: 77.9°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in May: 55.8°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in May
Byington, TN
- Average pressure in May: 30.02"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Byington, TN
- Average wind speed in May: 4.8mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in May
Byington, TN
- Average humidity in May: 75%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).
Average rainfall in May
Byington, TN
- Average rainfall in May: 2.72"
The wettest month (with the highest rainfall) is February (4.33").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in May
Byington, TN
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in May
Byington, TN
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Byington, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.5 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
Byington, 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 48min).
- Average sunshine in May: 10h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in May
Byington, TN
- Average sunshine days in May: 11.7 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in May
Byington, 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
Byington, TN
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in May
Byington, TN
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).





