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 sea temperature 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 onset of May marks a slight increase in the average high-temperature, moving from a refreshing 67.1°F (19.5°C) in April to a warm 75.6°F (24.2°C). Columbia records a mean low-temperature of 61.2°F (16.2°C) in May.Humidity
May, August and December, with an average relative humidity of 79%, are the most humid months.Rainfall
In Columbia, North Carolina, in May, it is raining for 11.2 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, there are 98.1 rainfall days, and 8.15" (207mm) of precipitation is accumulated.Snowfall
In Columbia, snow does not fall in March through December.Ocean temperature
In May, the average ocean temperature is 68.5°F (20.3°C).Note: Swimming is not a pleasurable activity for most people when the water temperature is 68.5°F (20.3°C). Breathing control gets harder as the water temperature drops from 69.8°F (21°C) to 59°F (15°C).
Daylight
The average length of the day in May is 14h and 5min.On the first day of the month, sunrise is at 6:11 am and sunset at 7:52 pm. On the last day of May, sunrise is at 5:49 am and sunset at 8:15 pm EDT.
Sunshine
The average sunshine in May is 9.6h.UV index
The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 6 in May leads to these recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Columbia in May?
What is the most humid month?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
How cold is the water in May?
How many hours of daylight does Columbia have in May?
When are sunrise and sunset in May?
How many hours of sunshine does Columbia have in May?
How high is the UV index in May?
Average temperature in May
Columbia, NC
- Average high temperature in May: 75.6°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (48.6°F).
- Average low temperature in May: 61.2°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).
Average pressure in May
Columbia, NC
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Columbia, NC
- Average wind speed in May: 8.2mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Columbia, NC
- Average humidity in May: 79%
The months with the highest relative humidity are May, August and December (79%).
The months with the lowest relative humidity are January, April and November (76%).
Average rainfall in May
Columbia, NC
- Average rainfall in May: 0.79"
The wettest month (with the highest rainfall) is August (1.18").
The driest months (with the least rainfall) are January, March and November (0.47").
Average rainfall days in May
Columbia, NC
- Average rainfall days in May: 11.2 days
The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is October (5.1 days).
Average snowfall in May
Columbia, NC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Columbia, NC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in May
Columbia, NC
- Average sea temperature in May: 68.5°F
The best month for swimming (with the highest average sea temperature) is August (81.9°F).
The coldest month (with the lowest average sea temperature) is February (55.2°F).
Average daylight in May /
Average sunshine in May
Columbia, NC
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in May: 9h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
Average sunshine days in May
Columbia, NC
- Average sunshine days in May: 17.3 days
The month with the most sunshine days is October (24.3 days).
The month with the least sunshine days is July (14.3 days).
Average UV index in May
Columbia, NC
- 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
Columbia, NC
- Average cloud cover in May: 36
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 28).
Average visibility in May
Columbia, NC
- 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, North Carolina, USA
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