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, known for its average high temperature of 36.3°F (2.4°C) and an average low temperature of 23.2°F (-4.9°C), is the coldest month.Humidity
January is the most humid month, with an average relative humidity of 83%.Rainfall
In Washington, during January, the rain falls for 12.7 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, in Washington, there are 175.1 rainfall days, and 30.59" (777mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Washington, in January, during 13.3 snowfall days, 3.27" (83mm) of snow is typically accumulated. Throughout the year, there are 42.5 snowfall days, and 12.4" (315mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 47min.On the first day of the month, sunrise is at 7:46 am and sunset at 5:14 pm. On the last day of January, sunrise is at 7:34 am and sunset at 5:45 pm EST.
Sunshine
With an average of 3.5h 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. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 2 in January translates into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is it in January?
What is the most humid month?
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 long on average sun shines in January in Washington?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Washington, WV
- Average high temperature in January: 36.3°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in January: 23.2°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in January
Washington, WV
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in January
Washington, WV
- Average wind speed in January: 6.7mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in January
Washington, WV
- Average humidity in January: 83%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (75%).
Average rainfall in January
Washington, WV
- Average rainfall in January: 2.13"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in January
Washington, WV
- Average rainfall days in January: 12.7 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in January
Washington, WV
- Average snowfall in January: 3.27"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Washington, WV
- Average snowfall days in January: 13.3 days
The month with the highest number of snowfall days is January (13.3 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
Washington, WV
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Washington, WV
- Average sunshine days in January: 9.9 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in January
Washington, WV
- 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
Washington, WV
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Washington, WV
- Average visibility in January: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Washington, West Virginia, USA
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