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
With average temperatures fluctuating between a high of 32.4°F (0.2°C) and a low of 19.6°F (-6.9°C), January stands out as the coldest month.Humidity
The months with the highest humidity are January and February, with an average relative humidity of 87%.Rainfall
In Terra Alta, during January, the rain falls for 9.1 days and regularly aggregates up to 2.36" (60mm) of precipitation. Throughout the year, there are 172.7 rainfall days, and 28.23" (717mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall in Terra Alta, West Virginia, is January, when snow falls for 17.9 days and typically aggregates up to 7.44" (189mm) of snow.Daylight
The average length of the day in January is 9h and 46min.On the first day of January in Terra Alta, sunrise is at 7:38 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:36 pm EST.
Sunshine
With an average of 2.9h of sunshine, January has the least sunshine of the year.UV index
In Terra Alta, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 2 during January, leads to the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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 January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
When does it snow the most?
How much does it snow in January?
How many hours of daylight does Terra Alta have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Terra Alta have in January?
What is the UV index intensity in January?
Average temperature in January
Terra Alta, WV
- Average high temperature in January: 32.4°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in January: 19.6°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in January
Terra Alta, 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
Terra Alta, WV
- Average wind speed in January: 8.9mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Terra Alta, WV
- Average humidity in January: 87%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are June and July (79%).
Average rainfall in January
Terra Alta, WV
- Average rainfall in January: 2.36"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in January
Terra Alta, WV
- Average rainfall days in January: 9.1 days
The month with the highest number of rainy days is May (21 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in January
Terra Alta, WV
- Average snowfall in January: 7.44"
The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Terra Alta, WV
- Average snowfall days in January: 17.9 days
The month with the highest number of snowfall days is January (17.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Terra Alta, 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 24min).
- Average sunshine in January: 2h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in January
Terra Alta, WV
- Average sunshine days in January: 6.9 days
The month with the most sunshine days is November (13.6 days).
The month with the least sunshine days is January (6.9 days).
Average UV index in January
Terra Alta, WV
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Terra Alta, WV
- Average cloud cover in January: 73
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in January
Terra Alta, WV
- Average visibility in January: 4mi
The months with the highest visibility are March, April, May, June, July, August and November (5mi).
The months with the lowest visibility are January, February, September, October and December (4mi).
Terra Alta, West Virginia, USA
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