May weather forecastSummertown, TN
May
Weather in May
May, the last month of the spring in Summertown, is a moderately hot month, with an average temperature fluctuating between 77.5°F (25.3°C) and 59.2°F (15.1°C).Temperature
Summertown's transition into May brings a slight rise in the average high-temperature, moving from a pleasant 69.4°F (20.8°C) in April to a warm 77.5°F (25.3°C). Summertown, in May, observes a steady average low-temperature of 59.2°F (15.1°C).Humidity
In Summertown, the average relative humidity in May is 78%.Rainfall
In Summertown, in May, during 16.7 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Summertown, during the entire year, the rain falls for 165.6 days and collects up to 30.39" (772mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In May, the average length of the day in Summertown, Tennessee, is 14h and 3min.On the first day of May in Summertown, sunrise is at 5:56 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 7:58 pm CDT.
Sunshine
The average sunshine in May in Summertown is 9.5h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Summertown. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In May, the maximum UV index of 6 suggests this advice:
Take precautions against overexposure. Protection against sun damage is needed. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Summertown, TN
- Average high temperature in May: 77.5°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (45.9°F).
- Average low temperature in May: 59.2°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).
Average pressure in May
Summertown, 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
Summertown, TN
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).
Average humidity in May
Summertown, TN
- Average humidity in May: 78%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Summertown, TN
- Average rainfall in May: 2.48"
The wettest month (with the highest rainfall) is February (3.27").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in May
Summertown, TN
- Average rainfall days in May: 16.7 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in May
Summertown, TN
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Summertown, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Summertown, 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 30min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in May
Summertown, TN
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in May
Summertown, TN
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Summertown, TN
- Average cloud cover in May: 37
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in May
Summertown, TN
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
