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
With the onset of May, Rock Castle experiences a subtle temperature shift, with the average high-temperature moving from a pleasant 68°F (20°C) in April to a warm 76.5°F (24.7°C). Nighttime temperatures consistently average a refreshing 56.8°F (13.8°C) during May.Humidity
In May, the average relative humidity in Rock Castle is 78%.Rainfall
In Rock Castle, during May, the rain falls for 17 days and regularly aggregates up to 3.39" (86mm) of precipitation. In Rock Castle, during the entire year, the rain falls for 170.4 days and collects up to 37.99" (965mm) of precipitation.Snowfall
In Rock Castle, snow does not fall in May through October.Daylight
In May, the average length of the day is 14h and 5min.On the first day of the month, sunrise is at 5:49 am and sunset at 7:30 pm. On the last day of May, sunrise is at 5:27 am and sunset at 7:53 pm CDT.
Sunshine
The average sunshine in May in Rock Castle, Tennessee, is 9.6h.UV index
The months with the highest UV index in Rock Castle are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 6 during May translates into the following directions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Rock Castle in May?
What is the average humidity in May in Rock Castle?
How many days does it rain in May in Rock Castle?
When it does not snow in Rock Castle?
Does it snow in Rock Castle in May?
How many hours of daylight does Rock Castle have in May?
When are sunrise and sunset in May in Rock Castle?
How long on average sun shines in May in Rock Castle?
When is the highest UV index in Rock Castle?
What is the UV index reading in May in Rock Castle?
Average temperature in May
Rock Castle, TN
- Average high temperature in May: 76.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (43.9°F).
- Average low temperature in May: 56.8°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in May
Rock Castle, 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 (29.97"Hg).
Average wind speed in May
Rock Castle, TN
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Rock Castle, TN
- Average humidity in May: 78%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is November (75%).
Average rainfall in May
Rock Castle, TN
- Average rainfall in May: 3.39"
The wettest month (with the highest rainfall) is February (4.09").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in May
Rock Castle, TN
- Average rainfall days in May: 17 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in May
Rock Castle, TN
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Rock Castle, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.9 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
Rock Castle, 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: 9h and 4min
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 24min).
Average sunshine days in May
Rock Castle, TN
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in May
Rock Castle, 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
Rock Castle, TN
- Average cloud cover in May: 37
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
Rock Castle, TN
- Average visibility in May: 5mi
The months with the highest visibility are February, April, June, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July, August and September (5mi).
Rock Castle, Tennessee, USA
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