January weather forecastBethlehem, WV
January
Weather in January
January, like December, in Bethlehem, West Virginia, is an icy winter month, with an average temperature fluctuating between 20.8°F (-6.2°C) and 33.6°F (0.9°C).Temperature
With average high and low temperatures of 33.6°F (0.9°C) and 20.8°F (-6.2°C) respectively, January is Bethlehem's coldest month.Humidity
January and February, with an average relative humidity of 84%, are the most humid months.Rainfall
In January, the rain falls for 9.4 days. Throughout January, 1.77" (45mm) of precipitation is accumulated. Throughout the year, there are 166.3 rainfall days, and 25.94" (659mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. The month with the most snowfall is January, when snow falls for 14.9 days and typically aggregates up to 3.66" (93mm) of snow.Daylight
In Bethlehem, the average length of the day in January is 9h and 43min.On the first day of January, sunrise is at 7:44 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:39 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 3h of sunshine.UV index
The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 2 during January, leads to the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Bethlehem, WV
- Average high temperature in January: 33.6°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in January: 20.8°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in January
Bethlehem, 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 (29.95"Hg).
Average wind speed in January
Bethlehem, WV
- Average wind speed in January: 7.8mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).
Average humidity in January
Bethlehem, WV
- Average humidity in January: 84%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April and August (77%).
Average rainfall in January
Bethlehem, WV
- Average rainfall in January: 1.77"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is November (1.69").
Average rainfall days in January
Bethlehem, WV
- Average rainfall days in January: 9.4 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in January
Bethlehem, WV
- Average snowfall in January: 3.66"
The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Bethlehem, WV
- Average snowfall days in January: 14.9 days
The month with the highest number of snowfall days is January (14.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Bethlehem, WV
- Average daylight in January: 9h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 3h
The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 3h).
Average sunshine days in January
Bethlehem, WV
- Average sunshine days in January: 11 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in January
Bethlehem, WV
- Average UV index in January: 2
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Bethlehem, WV
- Average cloud cover in January: 68
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in January
Bethlehem, WV
- Average visibility in January: 4mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).





