January weather forecastNapoleon, KY
January
Weather in January
January, like December, in Napoleon, Kentucky, is an icy winter month, with temperature in the range of an average high of 37.4°F (3°C) and an average low of 24.3°F (-4.3°C).Temperature
January, known for its average high temperature of 37.4°F (3°C) and an average low temperature of 24.3°F (-4.3°C), is the coldest month.Humidity
In Napoleon, the average relative humidity in January is 79%.Rainfall
In January, the rain falls for 7.1 days. Throughout January, 0.83" (21mm) of precipitation is accumulated. In Napoleon, during the entire year, the rain falls for 121.2 days and collects up to 10.87" (276mm) of precipitation.Snowfall
Months with snowfall in Napoleon are January through April, November and December. In Napoleon, in January, snow falls for 5.9 days, with typically accumulated 0.43" (11mm) of snow. Throughout the year, in Napoleon, Kentucky, there are 21.9 snowfall days, and 1.97" (50mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 49min.On the first day of the month, sunrise is at 7:57 am and sunset at 5:27 pm. On the last day of January, sunrise is at 7:46 am and sunset at 5:59 pm EST.
Sunshine
January has the least sunshine of the year, 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 in Napoleon. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the maximum UV index of 2 translates into these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Napoleon, KY
- Average high temperature in January: 37.4°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in January: 24.3°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in January
Napoleon, KY
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Napoleon, KY
- Average wind speed in January: 8.5mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in January
Napoleon, KY
- Average humidity in January: 79%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September and October (75%).
Average rainfall in January
Napoleon, KY
- Average rainfall in January: 0.83"
The wettest month (with the highest rainfall) is May (1.18").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in January
Napoleon, KY
- Average rainfall days in January: 7.1 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is November (6.8 days).
Average snowfall in January
Napoleon, KY
- Average snowfall in January: 0.43"
The month with the highest snowfall is December (0.47").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Napoleon, KY
- Average snowfall days in January: 5.9 days
The month with the highest number of snowfall days is January (5.9 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
Napoleon, KY
- Average daylight in January: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 4h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Napoleon, KY
- Average sunshine days in January: 19.5 days
The months with the most sunshine days are October and November (21 days).
The month with the least sunshine days is May (13.6 days).
Average UV index in January
Napoleon, KY
- 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, November and December (UV index 2).
Average cloud cover in January
Napoleon, KY
- Average cloud cover in January: 58
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in January
Napoleon, KY
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
