January weather forecastWest Sunbury, PA
January
Weather in January
January, the same as December, in West Sunbury, Pennsylvania, is another subzero cold winter month, with an average temperature fluctuating between 18.9°F (-7.3°C) and 31.5°F (-0.3°C).Temperature
West Sunbury's coldest temperatures are experienced in January, with average high temperatures of 31.5°F (-0.3°C) and lows of 18.9°F (-7.3°C).Humidity
January and February, with an average relative humidity of 87%, are the most humid months.Rainfall
In West Sunbury, in January, during 7.9 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. In West Sunbury, during the entire year, the rain falls for 177.9 days and collects up to 37.56" (954mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. January is the month with the most snowfall. Snow falls for 18.5 days and accumulates 8.5" (216mm) of snow.Daylight
In West Sunbury, the average length of the day in January is 9h and 38min.On the first day of the month, sunrise is at 7:44 am and sunset at 5:01 pm. On the last day of January, sunrise is at 7:31 am and sunset at 5:34 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 2.4h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: A daily maximum UV index of 1 in January translates into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
West Sunbury, PA
- Average high temperature in January: 31.5°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 (31.5°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in January
West Sunbury, PA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
West Sunbury, PA
- Average wind speed in January: 8.2mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).
Average humidity in January
West Sunbury, PA
- 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 April, July and August (78%).
Average rainfall in January
West Sunbury, PA
- Average rainfall in January: 2.8"
The wettest month (with the highest rainfall) is April (3.9").
The driest month (with the least rainfall) is November (2.36").
Average rainfall days in January
West Sunbury, PA
- Average rainfall days in January: 7.9 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in January
West Sunbury, PA
- Average snowfall in January: 8.5"
The month with the highest snowfall is January (8.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
West Sunbury, PA
- Average snowfall days in January: 18.5 days
The month with the highest number of snowfall days is January (18.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
West Sunbury, PA
- Average daylight in January: 9h and 36min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 2h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in January
West Sunbury, PA
- Average sunshine days in January: 8.2 days
The month with the most sunshine days is November (13.8 days).
The month with the least sunshine days is February (7.1 days).
Average UV index in January
West Sunbury, PA
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
West Sunbury, PA
- Average cloud cover in January: 74
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in January
West Sunbury, PA
- Average visibility in January: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
