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 onset of May brings a temperature shift, with the average high-temperature moving from a pleasant 68.5°F (20.3°C) in April to a warm 77.5°F (25.3°C). Rocky Hill experiences a significant contrast between daily highs and an average nighttime temperature of 55.4°F (13°C) during May.Humidity
The average relative humidity in May is 75%.Rainfall
In May, the rain falls for 13.9 days. Throughout May, 1.38" (35mm) of precipitation is accumulated. Throughout the year, there are 148.2 rainfall days, and 18.23" (463mm) of precipitation is accumulated.Snowfall
April through September are months without snowfall.Daylight
The average length of the day in May is 14h and 5min.On the first day of the month, sunrise is at 6:42 am and sunset at 8:23 pm. On the last day of May, sunrise is at 6:20 am and sunset at 8:46 pm EDT.
Sunshine
The average sunshine in May is 10.2h.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 hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 6 in May transforms into the following instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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 many days does it rain in May?
When it does not snow in Rocky Hill?
How many hours of daylight does Rocky Hill have in May?
When are sunrise and sunset in May?
How many hours of sunshine does Rocky Hill have in May?
What are the months with the highest UV index?
What is the UV index intensity in May in Rocky Hill?
Average temperature in May
Rocky Hill, TN
- Average high temperature in May: 77.5°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in May: 55.4°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in May
Rocky Hill, TN
- Average pressure in May: 30.02"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
Rocky Hill, TN
- Average wind speed in May: 4.8mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in May
Rocky Hill, TN
- Average humidity in May: 75%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).
Average rainfall in May
Rocky Hill, TN
- Average rainfall in May: 1.38"
The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in May
Rocky Hill, TN
- Average rainfall days in May: 13.9 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in May
Rocky Hill, TN
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in May
Rocky Hill, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.4 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
Rocky Hill, 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 48min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in May
Rocky Hill, TN
- Average sunshine days in May: 12.7 days
The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are February and July (12.5 days).
Average UV index in May
Rocky Hill, 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
Rocky Hill, TN
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in May
Rocky Hill, TN
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Rocky Hill, Tennessee, USA
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