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 40.1°F (4.5°C) and an average low temperature of 26.8°F (-2.9°C), is the coldest month.Humidity
In January, the average relative humidity in Williamson Terrace is 80%.Rainfall
In Williamson Terrace, West Virginia, in January, during 10.8 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. In Williamson Terrace, during the entire year, the rain falls for 163.6 days and collects up to 30.43" (773mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Williamson Terrace. In Williamson Terrace, in January, snow falls for 9.8 days, with typically accumulated 3.62" (92mm) of snow. In Williamson Terrace, during the entire year, snow falls for 32.9 days and aggregates up to 16.81" (427mm) of snow.Daylight
In January, the average length of the day in Williamson Terrace is 9h and 55min.On the first day of January, sunrise is at 7:44 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:51 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 4.1h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Williamson Terrace. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Williamson Terrace?
How cold is January in Williamson Terrace?
What is the average humidity in January in Williamson Terrace?
How many days does it rain in January in Williamson Terrace?
How much does it snow in Williamson Terrace in January?
What is the average length of the day in January in Williamson Terrace?
What time are sunrise and sunset in January in Williamson Terrace?
What is the month with the least sunshine in Williamson Terrace?
How many hours of sunshine does Williamson Terrace have in January?
What is the month with the lowest UV index in Williamson Terrace?
How high is the UV index in January in Williamson Terrace?
Average temperature in January
Williamson Terrace, WV
- Average high temperature in January: 40.1°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in January: 26.8°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in January
Williamson Terrace, WV
- Average pressure in January: 30.15"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
Williamson Terrace, WV
- Average wind speed in January: 6.3mph
The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in January
Williamson Terrace, WV
- Average humidity in January: 80%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are July, August and November (75%).
Average rainfall in January
Williamson Terrace, WV
- Average rainfall in January: 2.4"
The wettest months (with the highest rainfall) are February and May (3.27").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in January
Williamson Terrace, WV
- Average rainfall days in January: 10.8 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in January
Williamson Terrace, WV
- Average snowfall in January: 3.62"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Williamson Terrace, WV
- Average snowfall days in January: 9.8 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Williamson Terrace, 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: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Williamson Terrace, WV
- Average sunshine days in January: 12.6 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in January
Williamson Terrace, WV
- Average UV index in January: 2
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Williamson Terrace, WV
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Williamson Terrace, 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).
Williamson Terrace, West Virginia, USA
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