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
Cainhoy's weather in May shows a minor rise in the average high-temperature, moving slightly up from April's pleasant 72.1°F (22.3°C) to a moderately hot 79°F (26.1°C). In Cainhoy, an average temperature of 68.5°F (20.3°C) is noted during May nights.Humidity
In Cainhoy, the average relative humidity in May is 76%.Rainfall
In Cainhoy, in May, it is raining for 16.5 days, with typically 3.23" (82mm) of accumulated precipitation. Throughout the year, there are 182.9 rainfall days, and 44.69" (1135mm) of precipitation is accumulated.Snowfall
In Cainhoy, snow does not fall in January, March through November.Daylight
In Cainhoy, the average length of the day in May is 13h and 52min.On the first day of the month, sunrise is at 6:31 am and sunset at 8:01 pm. On the last day of May, sunrise is at 6:11 am and sunset at 8:22 pm EDT.
Sunshine
In May, the average sunshine is 10.4h.UV index
May through August, with an average maximum UV index of 7, are months with the highest UV index in Cainhoy. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: A daily maximum UV index of 7 in May translates into the following instructions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Cainhoy in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
When is the highest UV index?
How high is the UV index in May?
Average temperature in May
Cainhoy, SC
- Average high temperature in May: 79°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 (57.2°F).
- Average low temperature in May: 68.5°F
The month with the highest average low temperature is July (77.9°F).
The coldest month (with the lowest average low temperature) is January (45.1°F).
Average pressure in May
Cainhoy, SC
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Cainhoy, SC
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity in May
Cainhoy, SC
- Average humidity in May: 76%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January and March (73%).
Average rainfall in May
Cainhoy, SC
- Average rainfall in May: 3.23"
The wettest month (with the highest rainfall) is August (8.03").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days in May
Cainhoy, SC
- Average rainfall days in May: 16.5 days
The month with the highest number of rainy days is August (25.8 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in May
Cainhoy, SC
- Average snowfall in May: 0"
The month with the highest snowfall is December (0.5").
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Cainhoy, SC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Cainhoy, SC
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 10h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in May
Cainhoy, SC
- Average sunshine days in May: 12.3 days
The months with the most sunshine days are January and November (19.3 days).
The month with the least sunshine days is August (3 days).
Average UV index in May
Cainhoy, SC
- Average UV index in May: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in May
Cainhoy, SC
- Average cloud cover in May: 27
The month with the most cloud cover is December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in May
Cainhoy, SC
- 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).
Cainhoy, South Carolina, USA
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