January weather forecastWestline, PA
January
Weather in January
January, the same as December, in Westline, Pennsylvania, is another subzero cold winter month, with temperature in the range of an average high of 28°F (-2.2°C) and an average low of 16.3°F (-8.7°C).Temperature
In Westline, January is the coldest month, with temperatures averaging a high of 28°F (-2.2°C) and a low of 16.3°F (-8.7°C).Humidity
In January, the average relative humidity is 88%.Rainfall
In Westline, in January, during 8.6 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. Throughout the year, there are 179.4 rainfall days, and 35.59" (904mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Westline, Pennsylvania, in January, snow falls for 23.2 days, with typically accumulated 12.32" (313mm) of snow. In Westline, during the entire year, snow falls for 99.3 days and aggregates up to 56.69" (1440mm) of snow.Daylight
In January, the average length of the day is 9h and 34min.On the first day of the month, sunrise is at 7:42 am and sunset at 4:54 pm. On the last day of January, sunrise is at 7:28 am and sunset at 5:28 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 2.3h 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 reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 1 during January translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. Always opt for UVA and UVB-resistant sunglasses on radiant days. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Westline, PA
- Average high temperature in January: 28°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in January: 16.3°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in January
Westline, PA
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Westline, PA
- Average wind speed in January: 9.1mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in January
Westline, PA
- Average humidity in January: 88%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are May, June and July (79%).
Average rainfall in January
Westline, PA
- Average rainfall in January: 2.99"
The wettest month (with the highest rainfall) is April (4.09").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in January
Westline, PA
- Average rainfall days in January: 8.6 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in January
Westline, PA
- Average snowfall in January: 12.32"
The month with the highest snowfall is February (13.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Westline, PA
- Average snowfall days in January: 23.2 days
The month with the highest number of snowfall days is January (23.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Westline, PA
- Average daylight in January: 9h and 36min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 2h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in January
Westline, PA
- Average sunshine days in January: 4.5 days
The month with the most sunshine days is September (12.1 days).
The month with the least sunshine days is January (4.5 days).
Average UV index in January
Westline, PA
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Westline, PA
- Average cloud cover in January: 79
The month with the most cloud cover is January (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in January
Westline, PA
- Average visibility in January: 4mi
The months with the highest visibility are March, April, May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, August, September and December (4mi).
