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
May's arrival brings a slight change in high-temperatures, adjusting from 73.4°F (23°C) in April to a still warm 81°F (27.2°C). During May, the average low-temperature is a refreshing 61.2°F (16.2°C).Heat index
In May, the heat index is evaluated at a hot 86°F (30°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.Heat index details are generally centered around shaded locations and a mild breeze. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
The average relative humidity in May is 74%.Rainfall
In May, the rain falls for 14.6 days. Throughout May, 2.6" (66mm) of precipitation is accumulated. Throughout the year, there are 148.7 rainfall days, and 28.86" (733mm) of precipitation is accumulated.Snowfall
In Saint Phillips, South Carolina, snow does not fall in April through November.Daylight
In May, the average length of the day is 13h and 58min.On the first day of May in Saint Phillips, sunrise is at 6:35 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 8:32 pm EDT.
Sunshine
In May, the average sunshine is 9.9h.UV index
In Saint Phillips, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 6 during May leads to these instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May in Saint Phillips?
Average temperature in May
Saint Phillips, SC
- Average high temperature in May: 81°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in May: 61.2°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in May
Saint Phillips, SC
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Saint Phillips, SC
- Average wind speed in May: 6.3mph
The windiest months (with the highest average wind speed) are February and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in May
Saint Phillips, SC
- Average humidity in May: 74%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in May
Saint Phillips, SC
- Average rainfall in May: 2.6"
The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in May
Saint Phillips, SC
- Average rainfall days in May: 14.6 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in May
Saint Phillips, SC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Saint Phillips, SC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Saint Phillips, SC
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in May
Saint Phillips, SC
- Average sunshine days in May: 14.7 days
The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in May
Saint Phillips, SC
- Average UV index in May: 6
The months with the highest UV index are June and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in May
Saint Phillips, SC
- Average cloud cover in May: 35
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in May
Saint Phillips, 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).
Saint Phillips, South Carolina, USA
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