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
Observing a minor shift, the average high-temperature during May adjusts from April's moderately hot 77.5°F (25.3°C) to a still warm 84.7°F (29.3°C). Rock Hill's nighttime temperature in May falls to an average of 66°F (18.9°C).Heat index
The heat index value for May is calculated to be a hot 91.4°F (33°C). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.Data suggests that the heat index is set for environments in shade and with a light wind. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
The months with the lowest humidity in Rock Hill are May and October, with an average relative humidity of 70%.Rainfall
In Rock Hill, in May, it is raining for 10.2 days, with typically 0.94" (24mm) of accumulated precipitation. In Rock Hill, during the entire year, the rain falls for 145 days and collects up to 17.91" (455mm) of precipitation.Snowfall
February through December are months without snowfall in Rock Hill.Daylight
In Rock Hill, Florida, the average length of the day in May is 13h and 43min.On the first day of May, sunrise is at 5:59 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 7:42 pm CDT.
Sunshine
In May, the average sunshine in Rock Hill is 10.9h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: In May, the maximum UV index of 7 suggests this advice:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
How hot is May in Rock Hill?
What is the least humid month in Rock Hill?
What is the average humidity in May in Rock Hill?
How much does it rain in Rock Hill in May?
When it does not snow in Rock Hill?
What is the average length of the day in May in Rock Hill?
When are sunrise and sunset in May in Rock Hill?
How many hours of sunshine does Rock Hill have in May?
What is the month with the highest UV index in Rock Hill?
What is the UV index reading in May in Rock Hill?
Average temperature in May
Rock Hill, FL
- Average high temperature in May: 84.7°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (59.4°F).
- Average low temperature in May: 66°F
The month with the highest average low temperature is August (75.6°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).
Average pressure in May
Rock Hill, FL
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed in May
Rock Hill, FL
- Average wind speed in May: 6mph
The windiest months (with the highest average wind speed) are January, February and March (7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Rock Hill, FL
- Average humidity in May: 70%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are May and October (70%).
Average rainfall in May
Rock Hill, FL
- Average rainfall in May: 0.94"
The wettest month (with the highest rainfall) is August (2.95").
The driest months (with the least rainfall) are January and November (0.83").
Average rainfall days in May
Rock Hill, FL
- Average rainfall days in May: 10.2 days
The month with the highest number of rainy days is August (21.3 days).
The month with the least rainy days is November (6.8 days).
Average snowfall in May
Rock Hill, FL
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Rock Hill, FL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Rock Hill, FL
- Average daylight in May: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in May: 10h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
Average sunshine days in May
Rock Hill, FL
- Average sunshine days in May: 18.8 days
The month with the most sunshine days is November (21.8 days).
The months with the least sunshine days are July and August (6.3 days).
Average UV index in May
Rock Hill, FL
- Average UV index in May: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in May
Rock Hill, FL
- Average cloud cover in May: 25
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in May
Rock Hill, FL
- 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).
Rock Hill, Florida, USA
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