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 start of May signals a slight increase in the average high-temperature, moving from a moderately hot 73.8°F (23.2°C) in April to a still warm 81°F (27.2°C). During the month of May, an average temperature of 63.1°F (17.3°C) is noted during the nights in Saint Matthews, South Carolina.Heat index
For most parts of May, the heat index is computed to be a hot 86°F (30°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.Be informed that the heat index values are oriented around shady conditions and gentle breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
May is the most humid month in Saint Matthews, with an average relative humidity of 76%.Rainfall
In Saint Matthews, South Carolina, during May, the rain falls for 15.3 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Saint Matthews, during the entire year, the rain falls for 159.1 days and collects up to 29.96" (761mm) of precipitation.Snowfall
March through October are months without snowfall.Daylight
In May, the average length of the day is 13h and 55min.On the first day of May in Saint Matthews, South Carolina, sunrise is at 6:33 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:28 pm EDT.
Sunshine
The average sunshine in May is 10h.UV index
In Saint Matthews, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 6 in May translates into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What is the average May temperature in Saint Matthews?
What is the most humid month in Saint Matthews?
What is the average humidity in May in Saint Matthews?
How much does it rain in Saint Matthews in May?
When it does not snow in Saint Matthews?
What is the average length of the day in May in Saint Matthews?
When are sunrise and sunset in May in Saint Matthews?
How many hours of sunshine does Saint Matthews have in May?
What is the UV index reading in May in Saint Matthews?
Average temperature in May
Saint Matthews, SC
- Average high temperature in May: 81°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (53.6°F).
- Average low temperature in May: 63.1°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).
Average pressure in May
Saint Matthews, SC
- Average pressure in May: 30.02"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Saint Matthews, SC
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Saint Matthews, SC
- Average humidity in May: 76%
The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are January and November (71%).
Average rainfall in May
Saint Matthews, SC
- Average rainfall in May: 2.72"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is November (1.85").
Average rainfall days in May
Saint Matthews, SC
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in May
Saint Matthews, SC
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.35").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in May
Saint Matthews, SC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Saint Matthews, SC
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in May
Saint Matthews, SC
- Average sunshine days in May: 13.6 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is August (9.4 days).
Average UV index in May
Saint Matthews, SC
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in May
Saint Matthews, SC
- Average cloud cover in May: 33
The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in May
Saint Matthews, 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 Matthews, South Carolina, USA
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