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 is Williston's coldest month, registering average high temperatures of 28.9°F (-1.7°C) and lows of 18.1°F (-7.7°C).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 87%.Rainfall
In Williston, in January, it is raining for 8.3 days, with typically 1.42" (36mm) of accumulated precipitation. In Williston, during the entire year, the rain falls for 161.8 days and collects up to 21.93" (557mm) of precipitation.Snowfall
Months with snowfall in Williston are January through May, October through December. In Williston, in January, snow falls for 19 days, with typically accumulated 5.04" (128mm) of snow. In Williston, New York, during the entire year, snow falls for 78.6 days and aggregates up to 25.24" (641mm) of snow.Daylight
In Williston, the average length of the day in January is 9h and 28min.On the first day of the month, sunrise is at 7:44 am and sunset at 4:50 pm. On the last day of January, sunrise is at 7:29 am and sunset at 5:25 pm EST.
Sunshine
The month with the least sunshine in Williston is January, with an average of 2.3h of sunshine.UV index
The months with the lowest UV index in Williston are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 1 in January converts into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Opt for tightly woven and loose clothing to enhance protection from the Sun. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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?
What is the month with the least sunshine in Williston?
How long on average sun shines in January in Williston?
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, NY
- Average high temperature in January: 28.9°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in January: 18.1°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in January
Williston, NY
- Average pressure in January: 30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Williston, NY
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in January
Williston, NY
- 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 May, July and August (77%).
Average rainfall in January
Williston, NY
- Average rainfall in January: 1.42"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in January
Williston, NY
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in January
Williston, NY
- Average snowfall in January: 5.04"
The month with the highest snowfall is February (6.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Williston, NY
- Average snowfall days in January: 19 days
The month with the highest number of snowfall days is January (19 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, NY
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 2h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in January
Williston, NY
- Average sunshine days in January: 7.1 days
The month with the most sunshine days is June (13.4 days).
The month with the least sunshine days is February (6.7 days).
Average UV index in January
Williston, NY
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Williston, NY
- Average cloud cover in January: 78
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Williston, NY
- Average visibility in January: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Williston, New York, USA
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