May weather forecastRockvale, TN
May
Weather in May
The last month of the spring, May, is a warm month in Rockvale, Tennessee, with an average temperature varying between 58.5°F (14.7°C) and 77.5°F (25.3°C).Temperature
May's arrival coincides with a marginal rise in the average high-temperature, moving from April's agreeable 69.4°F (20.8°C) to a moderately hot 77.5°F (25.3°C). Throughout the month of May, Rockvale expects an average low of 58.5°F (14.7°C).Humidity
The average relative humidity in May is 77%.Rainfall
In Rockvale, in May, it is raining for 12.7 days, with typically 1.06" (27mm) of accumulated precipitation. In Rockvale, during the entire year, the rain falls for 123.1 days and collects up to 12.76" (324mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Rockvale, the average length of the day in May is 14h and 4min.On the first day of May in Rockvale, sunrise is at 5:52 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 7:56 pm CDT.
Sunshine
In Rockvale, the average sunshine in May is 9.5h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 6 in May translates into these instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rockvale, TN
- Average high temperature in May: 77.5°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in May: 58.5°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in May
Rockvale, TN
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Rockvale, TN
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in May
Rockvale, TN
- Average humidity in May: 77%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Rockvale, TN
- Average rainfall in May: 1.06"
The wettest month (with the highest rainfall) is February (1.5").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in May
Rockvale, TN
- Average rainfall days in May: 12.7 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in May
Rockvale, TN
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Rockvale, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.8 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
Rockvale, TN
- Average daylight in May: 14h and 6min
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 30min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in May
Rockvale, TN
- Average sunshine days in May: 15.1 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in May
Rockvale, 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
Rockvale, TN
- Average cloud cover in May: 36
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in May
Rockvale, TN
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
