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
The lowest temperatures in Grand Isle are recorded in January, with averages reaching a high of 24.3°F (-4.3°C) and a low of 12°F (-11.1°C).Humidity
January and February, with an average relative humidity of 87%, are the most humid months.Rainfall
In Grand Isle, in January, during 9.4 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Grand Isle, during the entire year, the rain falls for 176.9 days and collects up to 29.88" (759mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Grand Isle. In Grand Isle, Vermont, in January, snow falls for 19.4 days, with typically accumulated 7.95" (202mm) of snow. Throughout the year, there are 81.9 snowfall days, and 36.77" (934mm) of snow is accumulated.Daylight
In January, the average length of the day in Grand Isle, Vermont, is 9h and 16min.On the first day of January in Grand Isle, sunrise is at 7:30 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:59 pm EST.
Sunshine
In Grand Isle, the average sunshine in January is 3.6h.UV index
The average daily maximum UV index in January in Grand Isle, Vermont, is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 2 in January translates into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Grand Isle?
How cold is January in Grand Isle?
What is the most humid month in Grand Isle?
What is the average humidity in January in Grand Isle?
How much does it rain in Grand Isle in January?
How many days does it snow in January in Grand Isle?
How many hours of daylight does Grand Isle have in January?
When are sunrise and sunset in January in Grand Isle?
How many hours of sunshine does Grand Isle have in January?
How high is the UV index in January in Grand Isle?
Average temperature in January
Grand Isle, VT
- Average high temperature in January: 24.3°F
The warmest month (with the highest average high temperature) is July (77.5°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 (59.4°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in January
Grand Isle, 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
Grand Isle, VT
- Average wind speed in January: 7.6mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).
Average humidity in January
Grand Isle, 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
Grand Isle, VT
- Average rainfall in January: 2.05"
The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in January
Grand Isle, VT
- Average rainfall days in January: 9.4 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in January
Grand Isle, VT
- Average snowfall in January: 7.95"
The month with the highest snowfall is February (9.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Grand Isle, VT
- Average snowfall days in January: 19.4 days
The month with the highest number of snowfall days is January (19.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Grand Isle, 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: 3h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in January
Grand Isle, VT
- Average sunshine days in January: 8.3 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (6.5 days).
Average UV index in January
Grand Isle, 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
Grand Isle, VT
- Average cloud cover in January: 65
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Grand Isle, VT
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (4mi).
Grand Isle, Vermont, USA
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