May weather forecast
Winston-Salem, NC

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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

May is characterized by a significant rise in temperatures, reaching up to a warm 77.5°F (25.3°C) during the day and a still comfortable 57.6°F (14.2°C) at night. The onset of summer brings a decline in wind speeds while maintaining relatively high humidity levels, making the air feel hotter than it is. Rainfall remains quite abundant with showers expected throughout the month, keeping the city's landscapes green and thriving. Throughout May, daylight hours continue to lengthen, complementing the escalation in temperature.

Temperature

As May arrives, a slight rise in the average high-temperature is observed, moving from an agreeable 68.9°F (20.5°C) in April to a warm 77.5°F (25.3°C). Winston-Salem, during the month of May, experiences an average low-temperature of 57.6°F (14.2°C).

Humidity

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

Rainfall

The month with the most rainfall is May, when the rain falls for 17.8 days and typically aggregates up to 3.19" (81mm) of precipitation.

Snowfall

In Winston-Salem, snow does not fall in April through October.

Daylight

The average length of the day in May is 14h and 6min.
On the first day of May in Winston-Salem, sunrise is at 6:27 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:32 pm EDT.

Sunshine

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

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. 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: The average daily UV index of 6 in May transforms into the following instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What is the usual temperature for Winston-Salem in May?

May temperatures in Winston-Salem, North Carolina, vary between a high-temperature of 77.5°F (25.3°C) and a low-temperature of 57.6°F (14.2°C).

What is the most humid month in Winston-Salem?

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

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

In Winston-Salem, North Carolina, the average relative humidity in May is 75%.

What is the rainiest month in Winston-Salem?

May is the month with the most rainfall. 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 May, in Winston-Salem, the rain falls for 17.8 days. Throughout May, 3.19" (81mm) of precipitation is accumulated.

When it does not snow in Winston-Salem?

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

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

In Winston-Salem, North Carolina, the average day length in May is 14h and 6min.

When is the sunrise / sunset in May in Winston-Salem?

On the first day of May in Winston-Salem, sunrise is at 6:27 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:32 pm EDT.

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

In May, the average sunshine duration is 9.6h.

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

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

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

In Winston-Salem, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJFMAMayJJASOND
Apr
May
Jun
Average high temperature
68.9°F 20.5°C
77.5°F 25.3°C
85.8°F 29.9°C
Average low temperature
49.3°F 9.6°C
57.6°F 14.2°C
64.4°F 18°C
Average pressure
30.01" 762mmHg
30.03" 763mmHg
29.98" 761mmHg
Average wind speed
7.3mph 11.7km/h
5.9mph 9.5km/h
5.1mph 8.2km/h
Average max. wind speed
8mph 12.9km/h
6.5mph 10.5km/h
5.6mph 9km/h
Average wind speed gusts
11.5mph 18.5km/h
9.3mph 15km/h
8.1mph 13km/h
Average humidity
73%
75%
70%
Average rainfall
3.03" 77mm
3.19" 81mm
2.4" 61mm
Average rainfall days
14.4
17.8
14.2
Average snowfall
0" 0mm
0" 0mm
0" 0mm
Average snowfall days
0
0
0
Average daylight
13h 1min
14h 1min
14h 4min
Average sunshine
9h 1min
9h 4min
10h 4min
Average sunshine days
13.5
11.8
13.8
Average UV index
4
6
6
Average cloud cover
36%
39%
29%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in May
Winston-Salem, NC

Average temperature in May - Winston-Salem, NC
  • Average high temperature in May: 77.5°F

The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (45.9°F).

  • Average low temperature in May: 57.6°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

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Average pressure in May
Winston-Salem, NC

Average pressure in May - Winston-Salem, NC
  • Average pressure in May: 30.03"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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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: 5.9mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

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Average humidity in May
Winston-Salem, NC

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

The 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: 3.19"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is October (2.05").

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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: 0"

The month with the highest snowfall is December (2.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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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).
The 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: 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 month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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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

The 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

The months with the highest UV index are May, June, July and August (UV index 6).
The 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

The months with the most cloud cover are February and March (Cloud cover 42).
The 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: 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).

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Winston-Salem, North Carolina, USA

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