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
A slight uplift in the average high-temperature marks May, adjusting from April's pleasant 69.4°F (20.8°C) to a moderately hot 78.1°F (25.6°C). Ruby Falls experiences a mean low-temperature of 57.2°F (14°C) during May.Humidity
The average relative humidity in May is 77%.Rainfall
In Ruby Falls, Tennessee, in May, it is raining for 15.8 days, with typically 3.43" (87mm) of accumulated precipitation. Throughout the year, in Ruby Falls, there are 174.4 rainfall days, and 41.14" (1045mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
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 Ruby Falls, sunrise is at 6:28 am and sunset at 8:49 pm EDT.
Sunshine
In Ruby Falls, Tennessee, the average sunshine in May is 9.4h.UV index
The months with the highest UV index in Ruby Falls 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 maximum daily UV index of 6 during May morphs into the following directions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What are May temperatures in Ruby Falls?
What is the average humidity in May in Ruby Falls?
How much does it rain in Ruby Falls in May?
When it does not snow in Ruby Falls?
Does it snow in Ruby Falls in May?
What is the average length of the day in May in Ruby Falls?
What time are sunrise and sunset in May in Ruby Falls?
How long on average sun shines in May in Ruby Falls?
When is the highest UV index in Ruby Falls?
What is the UV index intensity in May in Ruby Falls?
Average temperature in May
Ruby Falls, TN
- Average high temperature in May: 78.1°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in May: 57.2°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in May
Ruby Falls, 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
Ruby Falls, TN
- Average wind speed in May: 5mph
The windiest month (with the highest average wind speed) is February (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in May
Ruby Falls, TN
- Average humidity in May: 77%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July, August, October and November (75%).
Average rainfall in May
Ruby Falls, TN
- Average rainfall in May: 3.43"
The wettest month (with the highest rainfall) is December (4.37").
The driest month (with the least rainfall) is September (2.56").
Average rainfall days in May
Ruby Falls, TN
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in May
Ruby Falls, TN
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Ruby Falls, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.1 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
Ruby Falls, 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 2min
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
Ruby Falls, TN
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in May
Ruby Falls, 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
Ruby Falls, 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
Ruby Falls, 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).
Ruby Falls, Tennessee, USA
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