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 the month that records the lowest temperatures, with averages ranging from a high of 40.3°F (4.6°C) to a low of 27°F (-2.8°C).Humidity
In January, the average relative humidity is 79%.Rainfall
In Mount Vernon, in January, it is raining for 11.8 days, with typically 2.91" (74mm) of accumulated precipitation. Throughout the year, there are 181 rainfall days, and 40.28" (1023mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Mount Vernon, in January, snow falls for 9.8 days, with typically accumulated 3.43" (87mm) of snow. In Mount Vernon, during the entire year, snow falls for 34.4 days and aggregates up to 14.17" (360mm) of snow.Daylight
In January, the average length of the day is 9h and 56min.On the first day of January in Mount Vernon, sunrise is at 7:51 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 6:00 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 4.1h of sunshine.UV index
January, February, 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 minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: During January, 2 as the daily maximum UV index converts into the following advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold does it get 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?
What is the month with the least sunshine?
How many hours of sunshine does Mount Vernon have in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Mount Vernon, KY
- Average high temperature in January: 40.3°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (40.3°F).
- Average low temperature in January: 27°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in January
Mount Vernon, KY
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in January
Mount Vernon, KY
- Average wind speed in January: 7.8mph
The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in January
Mount Vernon, KY
- Average humidity in January: 79%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are June, August, September, October and November (76%).
Average rainfall in January
Mount Vernon, KY
- Average rainfall in January: 2.91"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (2.44").
Average rainfall days in January
Mount Vernon, KY
- Average rainfall days in January: 11.8 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is January (11.8 days).
Average snowfall in January
Mount Vernon, KY
- Average snowfall in January: 3.43"
The month with the highest snowfall is February (3.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Mount Vernon, KY
- Average snowfall days in January: 9.8 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Mount Vernon, KY
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Mount Vernon, KY
- Average sunshine days in January: 11.4 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in January
Mount Vernon, KY
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Mount Vernon, KY
- Average cloud cover in January: 57
The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Mount Vernon, KY
- Average visibility in January: 5mi
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).
Mount Vernon, Kentucky, USA
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