May weather forecast
Winston-Salem, NC

Lit skyscrapers and streets seen at dusk in Winston - Salem City, North Carolina
Lit skyscrapers and streets seen at dusk in Winston - Salem City, North Carolina

Weather in May

The last month of the spring, May, is a moderately hot month in Winston-Salem, North Carolina, with average temperature varying between 57.6°F (14.2°C) and 77.5°F (25.3°C).

Temperature

In May, the average high-temperature slightly increases, from an agreeable 68.9°F (20.5°C) in April, to a moderately hot 77.5°F (25.3°C). In May, the average low-temperature is 57.6°F (14.2°C).

Humidity

May and December, with an average relative humidity of 75%, are most humid months in Winston-Salem.

Rainfall

May is the month with the most rainfall in Winston-Salem. Rain falls for 17.8 days and accumulates 3.19" (81mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in Winston-Salem is 14.1h.

Sunshine

In May, the average sunshine in Winston-Salem is 9.6h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Winston-Salem, North Carolina. A UV Index reading of 6 to 7 represents a high health hazard from the exposure to the Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What are the most humid months in Winston-Salem?

Months with the highest humidity are May and December, with an average relative humidity of 75%.

What is the average humidity in May in Winston-Salem?

In May, the average relative humidity is 75%.

What is the rainiest month in Winston-Salem?

May is the month with the most rainfall in Winston-Salem, North Carolina. Rain falls for 17.8 days and accumulates 3.19" (81mm) of precipitation.

How many days does it rain in May in Winston-Salem?

In Winston-Salem, North Carolina, during May, the rain falls for 17.8 days and regularly aggregates up to 3.19" (81mm) of precipitation.

When it does not snow in Winston-Salem?

April through October are months without snowfall in Winston-Salem.

What is the average length of the day in May in Winston-Salem?

In May, the average length of the day in Winston-Salem, North Carolina, is 14.1h.

How many hours of sunshine does Winston-Salem have in May?

The average sunshine in May is 9.6h.

What are the months with the highest UV index in Winston-Salem?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in May in Winston-Salem?

In May, the average daily maximum UV index in Winston-Salem, North Carolina, is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to the Sun's UV rays.

Average temperature in May
Winston-Salem, NC

Average temperature in May - Winston-Salem, NC
  • Average high temperature in May: 25.3°C

The warmest month (with the highest average high temperature) is July (32.1°C).
The month with the lowest average high temperature is January (7.7°C).

  • Average low temperature in May: 14.2°C

The month with the highest average low temperature is July (20.1°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).

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Average pressure in May
Winston-Salem, NC

Average pressure in May - Winston-Salem, NC
  • Average pressure in May: 1016.9mbar

The month with the highest atmospheric pressure is November (1021.3mbar).
The month with the lowest atmospheric pressure is June (1015.2mbar).

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Average wind speed in May
Winston-Salem, NC

Average wind speed in May - Winston-Salem, NC
  • Average wind speed in May: 9.5km/h

The windiest month (with the highest average wind speed) is April (11.8km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).

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Average humidity in May
Winston-Salem, NC

Average humidity in May - Winston-Salem, NC
  • Average humidity in May: 75%

Months with the highest relative humidity are May and December (75%).
The month with the lowest relative humidity is July (69%).

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Average rainfall in May
Winston-Salem, NC

Average rainfall in May - Winston-Salem, NC
  • Average rainfall in May: 81mm

The wettest month (with the highest rainfall) is May (81mm).
The driest month (with the least rainfall) is October (52mm).

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Average rainfall days in May
Winston-Salem, NC

Average rainfall days in May - Winston-Salem, NC
  • Average rainfall days in May: 17.8 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9.2 days).

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Average snowfall in May
Winston-Salem, NC

Average snowfall in May - Winston-Salem, NC
  • Average snowfall in May: 0mm

The month with the highest snowfall is December (57mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in May
Winston-Salem, NC

Average snowfall days in May - Winston-Salem, NC
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (2.7 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Winston-Salem, NC

Average daylight in May / Average sunshine in May - Winston-Salem, 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: 9.7h).

  • Average sunshine in May: 9.6h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is December (Average sunshine: 5.5h).

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Average sunshine days in May
Winston-Salem, NC

Average sunshine days in May - Winston-Salem, NC
  • Average sunshine days in May: 11.8 days

Months with the most sunshine days are October and November (19.7 days).
The month with the least sunshine days is July (11.1 days).

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Average UV index in May
Winston-Salem, NC

Average UV index in May - Winston-Salem, NC
  • Average UV index in May: 6

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in May
Winston-Salem, NC

Average cloud cover in May - Winston-Salem, NC
  • Average cloud cover in May: 39

Months with the most cloud cover are February and March (Cloud cover 42).
Months with the least cloud cover are June and July (Cloud cover 29).

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Average visibility in May
Winston-Salem, NC

Average visibility in May - Winston-Salem, NC
  • Average visibility in May: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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