May weather forecastJoelton, TN
May
Weather in May
The last month of the spring, May, is a warm month in Joelton, Tennessee, with an average temperature fluctuating between 59°F (15°C) and 77.5°F (25.3°C).Temperature
May's arrival brings a change in high-temperatures, moving from a pleasant 68.5°F (20.3°C) in April to a warm 77.5°F (25.3°C). Throughout May, Joelton anticipates an average low-temperature of 59°F (15°C).Humidity
In Joelton, the average relative humidity in May is 78%.Rainfall
In Joelton, during May, the rain falls for 17.9 days and regularly aggregates up to 3.9" (99mm) of precipitation. In Joelton, during the entire year, the rain falls for 177.6 days and collects up to 40.24" (1022mm) of precipitation.Snowfall
In Joelton, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 7min.On the first day of May, sunrise is at 5:53 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 7:59 pm CDT.
Sunshine
In May, the average sunshine is 9.3h.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 threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 6 in May translates into the following instructions:
Shield from overexposure. Defense against sun-related harm is required. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Joelton, TN
- Average high temperature in May: 77.5°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 (43.9°F).
- Average low temperature in May: 59°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 (30°F).
Average pressure in May
Joelton, 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
Joelton, TN
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in May
Joelton, TN
- Average humidity in May: 78%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Joelton, TN
- Average rainfall in May: 3.9"
The wettest month (with the highest rainfall) is July (4.33").
The driest months (with the least rainfall) are September and November (2.44").
Average rainfall days in May
Joelton, TN
- Average rainfall days in May: 17.9 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in May
Joelton, TN
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Joelton, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.6 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
Joelton, 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 18min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Joelton, TN
- Average sunshine days in May: 11.9 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in May
Joelton, 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
Joelton, TN
- Average cloud cover in May: 38
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in May
Joelton, TN
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
