May weather forecastVulcan, TN
May
Weather in May
The last month of the spring, May, is a warm month in Vulcan, Tennessee, with an average temperature varying between 56.8°F (13.8°C) and 77.9°F (25.5°C).Temperature
May's onset witnesses a minor shift in the average high-temperature, moving from a pleasant 69.6°F (20.9°C) in April to a warm 77.9°F (25.5°C). Vulcan registers a consistent average low-temperature of 56.8°F (13.8°C) during May.Humidity
The average relative humidity in May is 78%.Rainfall
In May, the rain falls for 16.5 days. Throughout May, 3.82" (97mm) of precipitation is accumulated. In Vulcan, during the entire year, the rain falls for 177 days and collects up to 42.83" (1088mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Vulcan, Tennessee, the average length of the day in May is 14h and 1min.On the first day of May, sunrise is at 5:50 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 7:50 pm CDT.
Sunshine
In Vulcan, the average sunshine in May is 9.3h.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 health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Ward off overexposure. Defence against solar harm is crucial. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Vulcan, TN
- Average high temperature in May: 77.9°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (46.6°F).
- Average low temperature in May: 56.8°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure in May
Vulcan, TN
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Vulcan, TN
- Average wind speed in May: 5.2mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in May
Vulcan, TN
- Average humidity in May: 78%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (75%).
Average rainfall in May
Vulcan, TN
- Average rainfall in May: 3.82"
The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is September (2.6").
Average rainfall days in May
Vulcan, TN
- Average rainfall days in May: 16.5 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in May
Vulcan, TN
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Vulcan, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (2.3 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
Vulcan, 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 18min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in May
Vulcan, TN
- Average sunshine days in May: 13.1 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (8.7 days).
Average UV index in May
Vulcan, 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 and December (UV index 2).
Average cloud cover in May
Vulcan, 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 32).
Average visibility in May
Vulcan, TN
- Average visibility in May: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).





