Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, marked by an average high-temperature of 24.3°F (-4.3°C) and a low-temperature of 12°F (-11.1°C), is the coldest month.Humidity
January and February, with an average relative humidity of 87%, are the most humid months.Rainfall
In Williston, in January, it is raining for 7.5 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, there are 161.7 rainfall days, and 29.33" (745mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Williston, in January, snow falls for 20.7 days, with typically accumulated 10.98" (279mm) of snow. Throughout the year, there are 94.7 snowfall days, and 50.91" (1293mm) of snow is accumulated.Daylight
In Williston, Vermont, the average length of the day in January is 9h and 18min.On the first day of the month, sunrise is at 7:28 am and sunset at 4:23 pm. On the last day of January, in Williston, sunrise is at 7:12 am and sunset at 4:59 pm EST.
Sunshine
The average sunshine in January is 2.9h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In January, a daily UV index of 1 turns into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Williston?
How cold is January in Williston?
What are the most humid months in Williston?
What is the average humidity in January in Williston?
How much does it rain in Williston in January?
How much does it snow in Williston in January?
How many hours of daylight does Williston have in January?
When is the sunrise / sunset in January in Williston?
How many hours of sunshine does Williston have in January?
What is the month with the lowest UV index in Williston?
How high is the UV index in January in Williston?
Average temperature in January
Williston, VT
- Average high temperature in January: 24.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in January: 12°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in January
Williston, VT
- Average pressure in January: 30.02"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Williston, VT
- Average wind speed in January: 7.1mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in January
Williston, VT
- Average humidity in January: 87%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in January
Williston, VT
- Average rainfall in January: 2.24"
The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in January
Williston, VT
- Average rainfall days in January: 7.5 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in January
Williston, VT
- Average snowfall in January: 10.98"
The month with the highest snowfall is February (11.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Williston, VT
- Average snowfall days in January: 20.7 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Williston, VT
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 2h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in January
Williston, VT
- Average sunshine days in January: 7.7 days
The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in January
Williston, VT
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Williston, VT
- Average cloud cover in January: 71
The month with the most cloud cover is February (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in January
Williston, VT
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).
Williston, Vermont, USA
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