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
Ruby Falls experiences a minor temperature shift with the start of May, with average high-temperatures moving from an agreeable 69.4°F (20.8°C) in April to a warm 78.1°F (25.6°C). In the month of May, the temperature generally rests at an average low of 57.2°F (14°C).Humidity
In May, the average relative humidity is 77%.Rainfall
In Ruby Falls, in May, during 15.8 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. Throughout the year, there are 174.4 rainfall days, and 41.14" (1045mm) of precipitation is accumulated.Snowfall
In Ruby Falls, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 1min.On the first day of May, sunrise is at 6:49 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 8:49 pm EDT.
Sunshine
In May, the average sunshine is 9.4h.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 health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 6 suggests these recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Ruby Falls have in May?
When is the highest UV index?
What is the UV index reading in May?
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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