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 month of January, characterized by an average high of 36.3°F (2.4°C) and a low of 22.3°F (-5.4°C), is recognized as the coldest.Humidity
In January, the average relative humidity in Union is 82%.Rainfall
In Union, during January, the rain falls for 11.8 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 183.6 rainfall days, and 31.61" (803mm) of precipitation is accumulated.Snowfall
Months with snowfall in Union are January through May, October through December. In Union, in January, during 12.3 snowfall days, 4.92" (125mm) of snow is typically accumulated. In Union, during the entire year, snow falls for 44.3 days and aggregates up to 20.67" (525mm) of snow.Daylight
In January, the average length of the day is 9h and 55min.On the first day of January in Union, sunrise is at 7:36 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:44 pm EST.
Sunshine
The month with the least sunshine in Union is January, with an average of 3.9h of sunshine.UV index
January through March, 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 low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 2 during January translates into the following directions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Union?
How cold is it in Union in January?
What is the average humidity in January in Union?
How many days does it rain in January in Union?
How many days does it snow in January in Union?
What is the average length of the day in January in Union?
When are sunrise and sunset in January in Union?
What is the month with the least sunshine in Union?
How long on average sun shines in January in Union?
What is the month with the lowest UV index in Union?
What is the UV index intensity in January in Union?
Average temperature in January
Union, WV
- Average high temperature in January: 36.3°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in January: 22.3°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in January
Union, WV
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in January
Union, WV
- Average wind speed in January: 7.3mph
The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in January
Union, WV
- Average humidity in January: 82%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is June (78%).
Average rainfall in January
Union, WV
- Average rainfall in January: 2.44"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in January
Union, WV
- Average rainfall days in January: 11.8 days
The month with the highest number of rainy days is May (22.2 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in January
Union, WV
- Average snowfall in January: 4.92"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Union, WV
- Average snowfall days in January: 12.3 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Union, WV
- 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: 3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Union, WV
- Average sunshine days in January: 9.8 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (7.7 days).
Average UV index in January
Union, WV
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Union, 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 July (Cloud cover 40).
Average visibility in January
Union, WV
- Average visibility in January: 4mi
The months with the highest visibility are March, April, June, July, November and December (5mi).
The months with the lowest visibility are January, February, May, August, September and October (4mi).
Union, West Virginia, USA
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