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
May introduces a minor temperature shift, with average high-temperatures adjusting from April's agreeable 69.8°F (21°C) to a moderately hot 78.1°F (25.6°C). Nighttime temperatures in Williston hover around an average low of 61.2°F (16.2°C) in May.Humidity
The average relative humidity in May is 79%.Rainfall
In May, in Williston, the rain falls for 13.8 days. Throughout May, 1.65" (42mm) of precipitation is accumulated. In Williston, during the entire year, the rain falls for 132.5 days and collects up to 16.26" (413mm) of precipitation.Snowfall
In Williston, Tennessee, snow does not fall in April through October.Daylight
In Williston, the average length of the day in May is 14h and 2min.On the first day of May, sunrise is at 6:05 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:06 pm CDT.
Sunshine
In Williston, Tennessee, the average sunshine in May is 9.7h.UV index
The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 6 during May morphs into the following directions:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Williston?
What is the average humidity in May in Williston?
How many days does it rain in May in Williston?
When it does not snow in Williston?
What is the average length of the day in May in Williston?
When is the sunrise / sunset in May in Williston?
How many hours of sunshine does Williston have in May?
What is the UV index reading in May in Williston?
Average temperature in May
Williston, TN
- Average high temperature in May: 78.1°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (46.4°F).
- Average low temperature in May: 61.2°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).
Average pressure in May
Williston, TN
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Williston, TN
- Average wind speed in May: 7mph
The windiest month (with the highest average wind speed) is February (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in May
Williston, TN
- Average humidity in May: 79%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Williston, TN
- Average rainfall in May: 1.65"
The wettest month (with the highest rainfall) is July (1.89").
The driest months (with the least rainfall) are September and November (0.75").
Average rainfall days in May
Williston, TN
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in May
Williston, TN
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Williston, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Williston, TN
- 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 48min).
- Average sunshine in May: 9h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Williston, TN
- Average sunshine days in May: 14 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in May
Williston, TN
- Average UV index in May: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Williston, TN
- Average cloud cover in May: 34
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in May
Williston, TN
- 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, Tennessee, USA
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