May weather forecast and climate
Columbia, NC

Weather in May

May, the last month of the spring, in Columbia, is a moderately hot month, with temperature in the range of an average high of 75.6°F (24.2°C) and an average low of 61.2°F (16.2°C).

Temperature

In May, the average high-temperature slightly increases, from an enjoyable 67.1°F (19.5°C) in April, to a moderately hot 75.6°F (24.2°C). The average low-temperature, in Columbia, is 61.2°F (16.2°C).

Humidity

May, August and December, with an average relative humidity of 79%, are most humid months.

Rainfall

In Columbia, 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

March through December are months without snowfall.

Ocean temperature

In Columbia, North Carolina, in May, the average water temperature is 68.5°F (20.3°C).
Note: For swimming, a surface water temperature of 68.5°F (20.3°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

The average length of the day is 14.1h.

Sunshine

In Columbia, 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 threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What are the most humid months in Columbia?

Months with the highest humidity are May, August and December, with an average relative humidity of 79%.

What is the average humidity in May in Columbia?

In Columbia, North Carolina, the average relative humidity in May is 79%.

How much does it rain in Columbia in May?

In Columbia, North Carolina, during May, the rain falls for 11.2 days and regularly aggregates up to 0.79" (20mm) of precipitation.

When it does not snow in Columbia?

March through December are months without snowfall.

How cold is the water in May in Columbia?

In Columbia, North Carolina, in May, the average water temperature is 68.5°F (20.3°C). Swimming in 68.5°F (20.3°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the average length of the day in May in Columbia?

In Columbia, North Carolina, the average length of the day in May is 14.1h.

How many hours of sunshine does Columbia have in May?

The average sunshine in May in Columbia is 9.6h.

What is the UV index intensity in May in Columbia?

In Columbia, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health threat from the exposure to the Sun's UV radiation.

Average temperature in May
Columbia, NC

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).

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Average pressure in May
Columbia, NC

Average pressure in May - Columbia, NC
  • Average pressure in May: 30.03"

The month with the highest atmospheric pressure is November (30.13").
The month with the lowest atmospheric pressure is June (29.96").

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Average wind speed in May
Columbia, NC

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).

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Average humidity in May
Columbia, NC

Average humidity in May - Columbia, NC
  • Average humidity in May: 79%

Months with the highest relative humidity are May, August and December (79%).
Months with the lowest relative humidity are January, April and November (76%).

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Average rainfall in May
Columbia, NC

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").

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Average rainfall days in May
Columbia, NC

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).

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Average snowfall in May
Columbia, NC

Average snowfall in May - Columbia, NC
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.08").
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in May
Columbia, NC

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).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average sea temperature in May
Columbia, NC

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).

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Average daylight in May /
Average sunshine in May
Columbia, NC

Average daylight in May / Average sunshine in May - Columbia, NC
  • Average daylight in May: 14.1h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in May: 9.6h

Months with the most sunshine are June and July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 5.4h).

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Average sunshine days in May
Columbia, NC

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).

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Average UV index in May
Columbia, NC

Average UV index in May - Columbia, NC
  • Average UV index in May: 6

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).

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Average cloud cover in May
Columbia, NC

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).
Months with the least cloud cover are June and July (Cloud cover 28).

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Average visibility in May
Columbia, NC

Average visibility in May - Columbia, NC
  • Average visibility in May: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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