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, with average temperatures reaching a high of 27.9°F (-2.3°C) and a low of 15.1°F (-9.4°C), is the coldest month.Humidity
In January, the average relative humidity is 84%.Rainfall
In January, the rain falls for 4.3 days. Throughout January, 0.59" (15mm) of precipitation is accumulated. Throughout the year, there are 91.5 rainfall days, and 7.8" (198mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. The month with the most snowfall in Williamsville is January, when snow falls for 6.9 days and typically aggregates up to 1.81" (46mm) of snow.Daylight
In Williamsville, the average length of the day in January is 9h and 27min.On the first day of January in Williamsville, sunrise is at 7:21 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:01 pm EST.
Sunshine
The average sunshine in January in Williamsville, Vermont, is 4.9h.UV index
The average daily maximum UV index in January in Williamsville, Vermont, is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. When the Sun is at its strongest around midday, find shade and limit exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What time of the year is the coldest in Williamsville?
How cold is it in Williamsville in January?
What is the average humidity in January in Williamsville?
How many days does it rain in January in Williamsville?
When does it snow the most in Williamsville?
How much does it snow in Williamsville in January?
What is the average length of the day in January in Williamsville?
When is the sunrise / sunset in January in Williamsville?
How long on average sun shines in January in Williamsville?
What is the UV index reading in January in Williamsville?
Average temperature in January
Williamsville, VT
- Average high temperature in January: 27.9°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in January: 15.1°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in January
Williamsville, VT
- Average pressure in January: 30.02"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Williamsville, VT
- Average wind speed in January: 7.8mph
The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in January
Williamsville, VT
- Average humidity in January: 84%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in January
Williamsville, VT
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is November (0.87").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in January
Williamsville, VT
- Average rainfall days in January: 4.3 days
The month with the highest number of rainy days is May (10 days).
The months with the least rainy days are January and February (4.3 days).
Average snowfall in January
Williamsville, VT
- Average snowfall in January: 1.81"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Williamsville, VT
- Average snowfall days in January: 6.9 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Williamsville, VT
- Average daylight in January: 9h and 2min
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: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in January
Williamsville, VT
- Average sunshine days in January: 21.9 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is July (17.6 days).
Average UV index in January
Williamsville, VT
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Williamsville, VT
- Average cloud cover in January: 48
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in January
Williamsville, VT
- Average visibility in January: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
Williamsville, Vermont, USA
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