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
May marks a rise in the average high-temperature, moving from April's comfortable 66.7°F (19.3°C) to a warm 76.1°F (24.5°C). Significant variation from daytime temperatures marks May, with the month recording a nightly average of 54.3°F (12.4°C).Humidity
In May, the average relative humidity is 78%.Rainfall
In Royal Blue, in May, during 17.7 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, there are 167 rainfall days, and 33.62" (854mm) of precipitation is accumulated.Snowfall
In Royal Blue, 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 the month, sunrise is at 6:42 am and sunset at 8:25 pm. On the last day of May, sunrise is at 6:20 am and sunset at 8:49 pm EDT.
Sunshine
The average sunshine in May is 9.4h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Royal Blue. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 6 in May interprets into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Royal Blue in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Royal Blue have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Royal Blue have in May?
When is the highest UV index in Royal Blue?
What is the UV index reading in May?
Average temperature in May
Royal Blue, TN
- Average high temperature in May: 76.1°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (42.3°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in May
Royal Blue, TN
- Average pressure in May: 30.01"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Royal Blue, TN
- Average wind speed in May: 5mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in May
Royal Blue, TN
- Average humidity in May: 78%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (76%).
Average rainfall in May
Royal Blue, TN
- Average rainfall in May: 2.83"
The wettest month (with the highest rainfall) is February (3.94").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in May
Royal Blue, TN
- Average rainfall days in May: 17.7 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in May
Royal Blue, 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
Royal Blue, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.5 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
Royal Blue, TN
- Average daylight in May: 14h and 1min
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 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in May
Royal Blue, TN
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in May
Royal Blue, 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
Royal Blue, TN
- Average cloud cover in May: 39
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are June and August (Cloud cover 32).
Average visibility in May
Royal Blue, TN
- Average visibility in May: 5mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (5mi).
Royal Blue, Tennessee, USA
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