May weather forecastHartsville Junction, TN
May
Weather in May
May, the last month of the spring in Hartsville Junction, is a moderately hot month, with an average temperature varying between 57.7°F (14.3°C) and 76.6°F (24.8°C).Temperature
Hartsville Junction observes a slight uplift in the average high-temperature with the onset of May, adjusting from April's agreeable 68°F (20°C) to a moderately hot 76.6°F (24.8°C). During the month of May, the nighttime temperature in Hartsville Junction falls to an average of 57.7°F (14.3°C).Humidity
The months with the highest humidity are February, March, May, July and December, with an average relative humidity of 79%.Rainfall
In Hartsville Junction, during May, the rain falls for 17.8 days and regularly aggregates up to 3.82" (97mm) of precipitation. In Hartsville Junction, Tennessee, during the entire year, the rain falls for 176.5 days and collects up to 41.22" (1047mm) of precipitation.Snowfall
In Hartsville Junction, snow does not fall in May through October.Daylight
In Hartsville Junction, the average length of the day in May is 14h and 7min.On the first day of the month, sunrise is at 5:50 am and sunset at 7:33 pm. On the last day of May, in Hartsville Junction, Tennessee, sunrise is at 5:28 am and sunset at 7:57 pm CDT.
Sunshine
In Hartsville Junction, the average sunshine in May is 9.1h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.Note: In May, a regular UV index of 6 translates into these guidelines:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Hartsville Junction, TN
- Average high temperature in May: 76.6°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (42.8°F).
- Average low temperature in May: 57.7°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in May
Hartsville Junction, 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
Hartsville Junction, TN
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in May
Hartsville Junction, TN
- Average humidity in May: 79%
The months with the highest relative humidity are February, March, May, July and December (79%).
The month with the lowest relative humidity is October (75%).
Average rainfall in May
Hartsville Junction, TN
- Average rainfall in May: 3.82"
The wettest month (with the highest rainfall) is July (5.2").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in May
Hartsville Junction, TN
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in May
Hartsville Junction, TN
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Hartsville Junction, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.2 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
Hartsville Junction, 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 6min
The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in May
Hartsville Junction, TN
- Average sunshine days in May: 11.2 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in May
Hartsville Junction, 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
Hartsville Junction, TN
- Average cloud cover in May: 40
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in May
Hartsville Junction, TN
- Average visibility in May: 5mi
The months with the highest visibility are February, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July and August (5mi).





