Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The start of December signals a decrease in the average high-temperature, transitioning from a chilly 47.8°F (8.8°C) in November to a cold 37.9°F (3.3°C). During December, the temperature in Williamston tends to dip to an average of 26.6°F (-3°C) at night.Humidity
In Williamston, the average relative humidity in December is 85%.Rainfall
In Williamston, in December, during 10.9 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Williamston, Ohio, during the entire year, the rain falls for 174.2 days and collects up to 33.03" (839mm) of precipitation.Snowfall
Months with snowfall in Williamston are January through May, October through December. In Williamston, Ohio, during December, snow falls for 14.8 days and regularly aggregates up to 4.92" (125mm) of snow. In Williamston, during the entire year, snow falls for 71.4 days and aggregates up to 26.73" (679mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:29 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:04 pm EST.
Sunshine
In December, the average sunshine is 3.1h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
How cold is December in Williamston?
What is the average humidity in December in Williamston?
How much does it rain in Williamston in December?
How many days does it snow in December in Williamston?
What is the month with the shortest days in Williamston?
What is the average length of the day in December in Williamston?
When is the sunrise / sunset in December in Williamston?
How many hours of sunshine does Williamston have in December?
When is the lowest UV index in Williamston?
What is the UV index intensity in December in Williamston?
Average temperature in December
Williamston, OH
- Average high temperature in December: 37.9°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 December: 26.6°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 December
Williamston, OH
- Average pressure in December: 30.1"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 December
Williamston, OH
- Average wind speed in December: 7.7mph
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 December
Williamston, OH
- Average humidity in December: 85%
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 December
Williamston, OH
- Average rainfall in December: 2.44"
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 December
Williamston, OH
- Average rainfall days in December: 10.9 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 December
Williamston, OH
- Average snowfall in December: 4.92"
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 December
Williamston, OH
- Average snowfall days in December: 14.8 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 December /
Average sunshine in December
Williamston, OH
- Average daylight in December: 9h and 2min
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 December: 3h and 1min
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 December
Williamston, OH
- Average sunshine days in December: 10.1 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 December
Williamston, OH
- Average UV index in December: 1
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 December
Williamston, OH
- Average cloud cover in December: 67
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 December
Williamston, OH
- Average visibility in December: 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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