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 brings the lowest temperatures, with an average high of 33.3°F (0.7°C) and an average low of 20.1°F (-6.6°C).Humidity
In Wellersburg, Pennsylvania, the average relative humidity in January is 81%.Rainfall
In Wellersburg, in January, it is raining for 13.2 days, with typically 2.32" (59mm) of accumulated precipitation. Throughout the year, there are 186.5 rainfall days, and 31.69" (805mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Wellersburg, during January, snow falls for 14.4 days and regularly aggregates up to 6.69" (170mm) of snow. Throughout the year, there are 56.7 snowfall days, and 28.46" (723mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 44min.On the first day of the month, sunrise is at 7:36 am and sunset at 5:01 pm. On the last day of January, in Wellersburg, sunrise is at 7:24 am and sunset at 5:33 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 4.4h 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 reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is it in Wellersburg in January?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Wellersburg have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Wellersburg have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Wellersburg, PA
- Average high temperature in January: 33.3°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in January: 20.1°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in January
Wellersburg, PA
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Wellersburg, PA
- Average wind speed in January: 8.6mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in January
Wellersburg, PA
- Average humidity in January: 81%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is July (76%).
Average rainfall in January
Wellersburg, PA
- Average rainfall in January: 2.32"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is November (1.85").
Average rainfall days in January
Wellersburg, PA
- Average rainfall days in January: 13.2 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is November (11.1 days).
Average snowfall in January
Wellersburg, PA
- Average snowfall in January: 6.69"
The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Wellersburg, PA
- Average snowfall days in January: 14.4 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Wellersburg, PA
- Average daylight in January: 9h and 4min
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 24min).
- Average sunshine in January: 4h and 2min
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 24min).
Average sunshine days in January
Wellersburg, PA
- Average sunshine days in January: 9.3 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (6.8 days).
Average UV index in January
Wellersburg, PA
- 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
Wellersburg, PA
- Average cloud cover in January: 56
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in January
Wellersburg, PA
- Average visibility in January: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Wellersburg, Pennsylvania, USA
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