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 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 beginning of May marks a minor shift in the average high-temperature, moving from April's refreshing 66.9°F (19.4°C) to a moderately hot 74.1°F (23.4°C). May nights cool to an average low-temperature of 68.2°F (20.1°C), a marginal decrease from its daytime equivalent.Humidity
The months with the highest humidity in Williston are May through August, with an average relative humidity of 78%.Rainfall
In Williston, North Carolina, in May, it is raining for 14.6 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, there are 181.4 rainfall days, and 34.76" (883mm) of precipitation is accumulated.Snowfall
In Williston, snow does not fall in March through December.Daylight
In Williston, the average length of the day in May is 14h and 0min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:51 pm. On the last day of May, in Williston, sunrise is at 5:53 am and sunset at 8:13 pm EDT.
Sunshine
In May, the average sunshine in Williston is 10.1h.UV index
The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 6 in May interprets into the following advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Williston?
What are the most humid months in Williston?
What is the average humidity in May in Williston?
How much does it rain in Williston in May?
When it does not snow in Williston?
What is the average length of the day in May in Williston?
When are sunrise and sunset in May in Williston?
How many hours of sunshine does Williston have in May?
What is the UV index intensity in May in Williston?
Average temperature in May
Williston, NC
- Average high temperature in May: 74.1°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in May: 68.2°F
The month with the highest average low temperature is July (78.3°F).
The coldest month (with the lowest average low temperature) is January (44.6°F).
Average pressure in May
Williston, NC
- Average pressure in May: 30.04"Hg
The month with the highest atmospheric pressure is December (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Williston, NC
- Average wind speed in May: 11.9mph
The windiest months (with the highest average wind speed) are February and March (14mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).
Average humidity in May
Williston, NC
- Average humidity in May: 78%
The months with the highest relative humidity are May, June, July and August (78%).
The months with the lowest relative humidity are February, March and October (74%).
Average rainfall in May
Williston, NC
- Average rainfall in May: 2.68"
The wettest month (with the highest rainfall) is August (4.84").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in May
Williston, NC
- Average rainfall days in May: 14.6 days
The month with the highest number of rainy days is August (22.3 days).
The months with the least rainy days are February and November (11.1 days).
Average snowfall in May
Williston, NC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Williston, NC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Williston, NC
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in May
Williston, NC
- Average sunshine days in May: 14.2 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is August (5.9 days).
Average UV index in May
Williston, NC
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in May
Williston, NC
- Average cloud cover in May: 31
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in May
Williston, 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).
Williston, North Carolina, USA
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