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
The coldest period tends to be January, when average temperatures fluctuate between a high of 36.3°F (2.4°C) and a low of 21.6°F (-5.8°C).Humidity
In January, the average relative humidity is 78%.Rainfall
In January, the rain falls for 14.4 days. Throughout January, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 176.4 rainfall days, and 25.24" (641mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Ketterman, during January, snow falls for 10.9 days and regularly aggregates up to 3.78" (96mm) of snow. Throughout the year, there are 37.9 snowfall days, and 15.91" (404mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 49min.On the first day of the month, sunrise is at 7:35 am and sunset at 5:05 pm. On the last day of January, sunrise is at 7:24 am and sunset at 5:36 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 4.9h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 2 during January leads to these instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is it in January?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Ketterman have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Ketterman, WV
- Average high temperature in January: 36.3°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Ketterman, WV
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in January
Ketterman, WV
- Average wind speed in January: 7.1mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in January
Ketterman, WV
- Average humidity in January: 78%
The months with the highest relative humidity are February, September, October and December (79%).
The months with the lowest relative humidity are April, June and July (75%).
Average rainfall in January
Ketterman, WV
- Average rainfall in January: 1.85"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days in January
Ketterman, WV
- Average rainfall days in January: 14.4 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in January
Ketterman, WV
- Average snowfall in January: 3.78"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Ketterman, WV
- Average snowfall days in January: 10.9 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Ketterman, WV
- Average daylight in January: 9h and 5min
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 5min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in January
Ketterman, WV
- Average sunshine days in January: 11 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in January
Ketterman, WV
- Average UV index in January: 2
The month with the highest UV index is June (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
Ketterman, WV
- Average cloud cover in January: 49
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in January
Ketterman, WV
- Average visibility in January: 5mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is September (4mi).
Ketterman, West Virginia, USA
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