January weather forecastMacArthur, WV
January
Weather in January
January, the same as December, is another cold winter month in MacArthur, West Virginia, with an average temperature fluctuating between 37°F (2.8°C) and 23.7°F (-4.6°C).Temperature
January, with an average high of 37°F (2.8°C) and a low of 23.7°F (-4.6°C), signifies the coldest month of the year.Humidity
The average relative humidity in January in MacArthur, West Virginia, is 82%.Rainfall
In January, the rain falls for 12.3 days. Throughout January, 2.95" (75mm) of precipitation is accumulated. Throughout the year, in MacArthur, there are 189.8 rainfall days, and 36.54" (928mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. January is the month with the most snowfall in MacArthur, West Virginia. Snow falls for 15.6 days and accumulates 8.7" (221mm) of snow.Daylight
In January, the average length of the day is 9h and 54min.On the first day of January, sunrise is at 7:40 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:46 pm EST.
Sunshine
With an average of 4h 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 in MacArthur, West Virginia. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 2 in January translates into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
MacArthur, WV
- Average high temperature in January: 37°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in January: 23.7°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 (23.7°F).
Average pressure in January
MacArthur, 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
MacArthur, WV
- Average wind speed in January: 7.5mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in January
MacArthur, WV
- Average humidity in January: 82%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April, June, July, August and November (78%).
Average rainfall in January
MacArthur, WV
- Average rainfall in January: 2.95"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in January
MacArthur, WV
- Average rainfall days in January: 12.3 days
The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in January
MacArthur, WV
- Average snowfall in January: 8.7"
The month with the highest snowfall is January (8.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
MacArthur, WV
- Average snowfall days in January: 15.6 days
The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
MacArthur, WV
- Average daylight in January: 9h and 54min
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 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in January
MacArthur, WV
- Average sunshine days in January: 9 days
The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is May (7 days).
Average UV index in January
MacArthur, 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, November and December (UV index 2).
Average cloud cover in January
MacArthur, 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 36).
Average visibility in January
MacArthur, WV
- Average visibility in January: 4mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).
