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
January
Weather in January
Temperature
January stands out as Mount Vernon's coldest month, with an average high-temperature of 36.1°F (2.3°C) and a low-temperature of 25.7°F (-3.5°C).Humidity
In Mount Vernon, the average relative humidity in January is 74%.Rainfall
In January, in Mount Vernon, the rain falls for 8 days. Throughout January, 2.05" (52mm) of precipitation is accumulated. Throughout the year, there are 156.5 rainfall days, and 33.19" (843mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Mount Vernon, during January, snow falls for 5 days and regularly aggregates up to 1.61" (41mm) of snow. Throughout the year, there are 18.1 snowfall days, and 8.43" (214mm) of snow is accumulated.Daylight
In Mount Vernon, the average length of the day in January is 9h and 38min.On the first day of the month, sunrise is at 7:19 am and sunset at 4:37 pm. On the last day of January, sunrise is at 7:06 am and sunset at 5:10 pm EST.
Sunshine
The average sunshine in January is 5.1h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 2 in January leads to these recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is it in January?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Mount Vernon have in January?
When are sunrise and sunset in January?
How many hours of sunshine does Mount Vernon have in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Mount Vernon, NY
- Average high temperature in January: 36.1°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in January: 25.7°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in January
Mount Vernon, NY
- Average pressure in January: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Mount Vernon, NY
- Average wind speed in January: 9.6mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in January
Mount Vernon, NY
- Average humidity in January: 74%
The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is August (69%).
Average rainfall in January
Mount Vernon, NY
- Average rainfall in January: 2.05"
The wettest month (with the highest rainfall) is July (3.74").
The driest month (with the least rainfall) is February (2.01").
Average rainfall days in January
Mount Vernon, NY
- Average rainfall days in January: 8 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is January (8 days).
Average snowfall in January
Mount Vernon, NY
- Average snowfall in January: 1.61"
The month with the highest snowfall is March (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Mount Vernon, NY
- Average snowfall days in January: 5 days
The months with the highest number of snowfall days are January and February (5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Mount Vernon, NY
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Mount Vernon, NY
- Average sunshine days in January: 18.8 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in January
Mount Vernon, NY
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Mount Vernon, NY
- Average cloud cover in January: 44
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Mount Vernon, NY
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).