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 brings a temperature change, with average high-temperatures moving from April's refreshing 58.6°F (14.8°C) to an agreeable 70.5°F (21.4°C). Throughout the month of May, Williamston observes an average nighttime temperature of 50°F (10°C).Humidity
April, May, July and August, with an average relative humidity of 77%, are the least humid months in Williamston, Ohio.Rainfall
In Williamston, in May, during 19.3 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. In Williamston, during the entire year, the rain falls for 174.2 days and collects up to 33.03" (839mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Williamston, Ohio. During 0.4 snowfall days, in May, Williamston aggregates 0.16" (4mm) of snow. Throughout the year, there are 71.4 snowfall days, and 26.73" (679mm) of snow is accumulated.Daylight
In May, the average length of the day in Williamston is 14h and 30min.On the first day of the month, sunrise is at 6:19 am and sunset at 8:20 pm. On the last day of May, in Williamston, sunrise is at 5:52 am and sunset at 8:48 pm EDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
In May, the average daily maximum UV index in Williamston is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the temperature in May in Williamston?
What is the least humid month in Williamston?
What is the average humidity in May in Williamston?
How many days does it rain in May in Williamston?
What is the last month it snows in Williamston?
How many hours of daylight does Williamston have in May?
What time are sunrise and sunset in May in Williamston?
How many hours of sunshine does Williamston have in May?
How high is the UV index in May in Williamston?
Average temperature in May
Williamston, OH
- Average high temperature in May: 70.5°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in May: 50°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in May
Williamston, OH
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Williamston, OH
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in May
Williamston, OH
- Average humidity in May: 77%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, May, July and August (77%).
Average rainfall in May
Williamston, OH
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in May
Williamston, OH
- Average rainfall days in May: 19.3 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in May
Williamston, OH
- Average snowfall in May: 0.16"
The month with the highest snowfall is January (7.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Williamston, OH
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (18.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Williamston, OH
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in May
Williamston, OH
- Average sunshine days in May: 9.8 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in May
Williamston, OH
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Williamston, OH
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Williamston, OH
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Williamston, Ohio, USA
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