May weather forecast
Williamston, NC

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Weather in May

May, the last month of the spring in Williamston, is a moderately hot month, with an average temperature fluctuating between 60.4°F (15.8°C) and 77.9°F (25.5°C).

Temperature

Williamston's weather shows a minor temperature rise with the arrival of May, moving from a pleasant 70.2°F (21.2°C) in April to a moderately hot 77.9°F (25.5°C). Williamston throughout May, records an average low-temperature of 60.4°F (15.8°C).

Humidity

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

Rainfall

In Williamston, in May, it is raining for 14.3 days, with typically 1.57" (40mm) of accumulated precipitation. In Williamston, during the entire year, the rain falls for 141.7 days and collects up to 16.65" (423mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In Williamston, the average length of the day in May is 14h and 5min.
On the first day of May, sunrise is at 6:14 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:18 pm EDT.

Sunshine

In Williamston, the average sunshine in May is 9.4h.

UV index

The average daily maximum UV index in May in Williamston is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.
Note: A maximum high daily UV index of 6 during May translates into the following directions:
Deflect overexposure. Sun protection is a necessity. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

What is the temperature in May in Williamston?

During May, Williamston experiences an average high-temperature of 77.9°F (25.5°C) and a low-temperature of 60.4°F (15.8°C).

What is the most humid month in Williamston?

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

What is the average humidity in May in Williamston?

The average relative humidity in May in Williamston is 79%.

How much does it rain in Williamston in May?

In Williamston, in May, during 14.3 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

When it does not snow in Williamston?

April through November are months without snowfall in Williamston, North Carolina.

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

The average day length in May in Williamston is 14h and 5min.

What time are sunrise and sunset in May in Williamston?

On the first day of May, sunrise is at 6:14 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:18 pm EDT.

How many hours of sunshine does Williamston have in May?

In May, the average sunshine duration in Williamston is 9.4h.

What is the UV index reading in May in Williamston?

The average daily maximum UV index in May in Williamston is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Williamston, NC

Average temperature in May - Williamston, NC
  • Average high temperature in May: 77.9°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in May: 60.4°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).

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Average pressure in May
Williamston, NC

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

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in May
Williamston, NC

Average wind speed in May - Williamston, NC
  • Average wind speed in May: 7mph

The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in May
Williamston, NC

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

The months with the highest relative humidity are May, August, September and December (79%).
The month with the lowest relative humidity is January (75%).

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Average rainfall in May
Williamston, NC

Average rainfall in May - Williamston, NC
  • Average rainfall in May: 1.57"

The wettest month (with the highest rainfall) is July (2.17").
The driest months (with the least rainfall) are January and March (0.87").

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Average rainfall days in May
Williamston, NC

Average rainfall days in May - Williamston, NC
  • Average rainfall days in May: 14.3 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is October (7.2 days).

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Average snowfall in May
Williamston, NC

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

The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in May
Williamston, NC

Average snowfall days in May - Williamston, NC
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (1.5 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
Williamston, NC

Average daylight in May / Average sunshine in May - Williamston, 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 2min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

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Average sunshine days in May
Williamston, NC

Average sunshine days in May - Williamston, NC
  • Average sunshine days in May: 13.8 days

The month with the most sunshine days is October (22.2 days).
The month with the least sunshine days is July (9.5 days).

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Average UV index in May
Williamston, NC

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

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).

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Average cloud cover in May
Williamston, NC

Average cloud cover in May - Williamston, NC
  • Average cloud cover in May: 40

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 33).

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Average visibility in May
Williamston, NC

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

The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).

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Williamston, North Carolina, USA

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