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 40.3°F (4.6°C) and a low of 27°F (-2.8°C), is the coldest month.Humidity
In Mount Vernon, the average relative humidity in January is 79%.Rainfall
In January, in Mount Vernon, the rain falls for 11.8 days. Throughout January, 2.91" (74mm) of precipitation is accumulated. Throughout the year, there are 181 rainfall days, and 40.28" (1023mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Mount Vernon, during January, snow falls for 9.8 days and regularly aggregates up to 3.43" (87mm) of snow. Throughout the year, in Mount Vernon, Kentucky, there are 34.4 snowfall days, and 14.17" (360mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 56min.On the first day of January, 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
With an average of 4.1h of sunshine, January has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Mount Vernon. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 2 during January, leads to the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What part of the year is the coldest in Mount Vernon?
How cold is it in Mount Vernon in January?
What is the average humidity in January in Mount Vernon?
How much does it rain in Mount Vernon in January?
How much does it snow in Mount Vernon in January?
What is the average length of the day in January in Mount Vernon?
What time are sunrise and sunset in January in Mount Vernon?
What is the month with the least sunshine in Mount Vernon?
How long on average sun shines in January in Mount Vernon?
When is the lowest UV index in Mount Vernon?
How high is the UV index in January in Mount Vernon?
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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