Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The start of May brings a subtle rise in the average high-temperature, moving from a pleasant 68.9°F (20.5°C) in April to a warm 77°F (25°C). May nights are marked by an average low-temperature of 56.8°F (13.8°C).Humidity
In May, the average relative humidity in Signal Mountain is 78%.Rainfall
In Signal Mountain, during May, the rain falls for 17.2 days and regularly aggregates up to 3.7" (94mm) of precipitation. In Signal Mountain, during the entire year, the rain falls for 187.2 days and collects up to 44.09" (1120mm) of precipitation.Snowfall
May through October are months without snowfall in Signal Mountain.Daylight
In Signal Mountain, Tennessee, the average length of the day in May is 14h and 1min.On the first day of the month, sunrise is at 6:49 am and sunset at 8:27 pm. On the last day of May, in Signal Mountain, sunrise is at 6:28 am and sunset at 8:50 pm EDT.
Sunshine
The average sunshine in May is 9.5h.UV index
The months with the highest UV index in Signal Mountain are May through August, with an average maximum UV index of 6. 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: The UV index of 6 in May translates into these instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What are May temperatures in Signal Mountain?
What is the average humidity in May in Signal Mountain?
How many days does it rain in May in Signal Mountain?
When it does not snow in Signal Mountain?
Does it snow in Signal Mountain in May?
What is the average length of the day in May in Signal Mountain?
When are sunrise and sunset in May in Signal Mountain?
How long on average sun shines in May in Signal Mountain?
What is the month with the highest UV index in Signal Mountain?
What is the UV index intensity in May in Signal Mountain?
Average temperature in May
Signal Mountain, TN
- Average high temperature in May: 77°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in May: 56.8°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in May
Signal Mountain, 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
Signal Mountain, TN
- Average wind speed in May: 5.1mph
The windiest month (with the highest average wind speed) is February (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in May
Signal Mountain, TN
- Average humidity in May: 78%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are June, July, August, September, October and November (76%).
Average rainfall in May
Signal Mountain, TN
- Average rainfall in May: 3.7"
The wettest month (with the highest rainfall) is December (4.53").
The driest month (with the least rainfall) is September (2.76").
Average rainfall days in May
Signal Mountain, TN
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in May
Signal Mountain, TN
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Signal Mountain, 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
Signal Mountain, 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in May
Signal Mountain, TN
- Average sunshine days in May: 11.7 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (7.7 days).
Average UV index in May
Signal Mountain, 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
Signal Mountain, TN
- Average cloud cover in May: 37
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in May
Signal Mountain, 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).
Signal Mountain, Tennessee, USA
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