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 23.4°F (-4.8°C) and a low-temperature of 10.9°F (-11.7°C), is the coldest month.Humidity
The most humid month is January, with an average relative humidity of 89%.Rainfall
In January, the rain falls for 3.6 days. Throughout January, 0.98" (25mm) of precipitation is accumulated. In Rochester, during the entire year, the rain falls for 110.1 days and collects up to 15.55" (395mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Rochester, in January, during 16.4 snowfall days, 5.47" (139mm) of snow is typically accumulated. In Rochester, during the entire year, snow falls for 86.6 days and aggregates up to 36.97" (939mm) of snow.Daylight
The average length of the day in January is 9h and 21min.On the first day of the month, sunrise is at 7:25 am and sunset at 4:23 pm. On the last day of January, sunrise is at 7:09 am and sunset at 4:59 pm EST.
Sunshine
In January, the average sunshine is 2.8h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 1 during January translates into the following directions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. When the Sun is at its strongest around midday, find shade and limit exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Rochester?
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January?
How many hours of daylight does Rochester have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Rochester have in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Rochester, VT
- Average high temperature in January: 23.4°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in January: 10.9°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in January
Rochester, 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
Rochester, VT
- Average wind speed in January: 7.3mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in January
Rochester, VT
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in January
Rochester, VT
- Average rainfall in January: 0.98"
The wettest month (with the highest rainfall) is June (1.73").
The driest month (with the least rainfall) is September (0.83").
Average rainfall days in January
Rochester, VT
- Average rainfall days in January: 3.6 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in January
Rochester, VT
- Average snowfall in January: 5.47"
The month with the highest snowfall is February (7.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Rochester, VT
- Average snowfall days in January: 16.4 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Rochester, VT
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 2h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in January
Rochester, VT
- Average sunshine days in January: 15.5 days
The month with the most sunshine days is September (18 days).
The month with the least sunshine days is February (11.7 days).
Average UV index in January
Rochester, VT
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in January
Rochester, VT
- Average cloud cover in January: 72
The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in January
Rochester, 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).
Rochester, Vermont, USA
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