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 start of May in Columbia, the average high-temperature marginally shifts from April's 73.9°F (23.3°C) to a still moderately hot 81.3°F (27.4°C). The month of May records an average low-temperature of 63.1°F (17.3°C) in Columbia.Heat index
The heat index in May is evaluated at a hot 86°F (30°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. 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 'feels like' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. 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 average relative humidity in May in Columbia is 73%.Rainfall
In Columbia, in May, it is raining for 13.8 days, with typically 2.32" (59mm) of accumulated precipitation. Throughout the year, there are 141.3 rainfall days, and 25.28" (642mm) of precipitation is accumulated.Snowfall
In Columbia, snow does not fall in March through November.Daylight
In May, the average length of the day in Columbia, South Carolina, is 13h and 56min.On the first day of the month, sunrise is at 6:34 am and sunset at 8:08 pm. On the last day of May, in Columbia, sunrise is at 6:13 am and sunset at 8:29 pm EDT.
Sunshine
In Columbia, South Carolina, the average sunshine in May is 9.8h.UV index
The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 6 in May leads to these guidelines:
Stay clear of intense sun exposure. Solar protection is of utmost significance. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What is the temperature in May in Columbia?
What is the average humidity in May in Columbia?
How much does it rain in Columbia in May?
When it does not snow in Columbia?
How many hours of daylight does Columbia have in May?
When are sunrise and sunset in May in Columbia?
How long on average sun shines in May in Columbia?
How high is the UV index in May in Columbia?
Average temperature in May
Columbia, SC
- Average high temperature in May: 81.3°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in May: 63.1°F
The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in May
Columbia, SC
- Average pressure in May: 30.02"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Columbia, SC
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in May
Columbia, SC
- Average humidity in May: 73%
The month with the highest relative humidity is December (74%).
The months with the lowest relative humidity are January, July and November (69%).
Average rainfall in May
Columbia, SC
- Average rainfall in May: 2.32"
The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in May
Columbia, SC
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is October (7.3 days).
Average snowfall in May
Columbia, SC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.47").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Columbia, SC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.3 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
Columbia, 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: 9h and 54min).
- Average sunshine in May: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in May
Columbia, SC
- Average sunshine days in May: 15.6 days
The month with the most sunshine days is October (22.7 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in May
Columbia, SC
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in May
Columbia, SC
- Average cloud cover in May: 34
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are June and October (Cloud cover 29).
Average visibility in May
Columbia, 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).
Columbia, South Carolina, USA
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