January weather forecastChapman, PA
January
Weather in January
January, like December, in Chapman, Pennsylvania, is an icy winter month, with an average temperature fluctuating between 21.6°F (-5.8°C) and 34.3°F (1.3°C).Temperature
In Chapman, the lowest temperatures are generally noted in January, averaging a high of 34.3°F (1.3°C) and a low of 21.6°F (-5.8°C).Humidity
In Chapman, the average relative humidity in January is 78%.Rainfall
In January, the rain falls for 8.5 days. Throughout January, 2.36" (60mm) of precipitation is accumulated. Throughout the year, there are 155.8 rainfall days, and 30.75" (781mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Chapman, Pennsylvania, during January, snow falls for 8.8 days and regularly aggregates up to 4.17" (106mm) of snow. Throughout the year, there are 29.4 snowfall days, and 15.87" (403mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 39min.On the first day of the month, sunrise is at 7:25 am and sunset at 4:44 pm. On the last day of January, sunrise is at 7:12 am and sunset at 5:17 pm EST.
Sunshine
In Chapman, the average sunshine in January is 4.6h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Chapman, PA
- Average high temperature in January: 34.3°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Chapman, PA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Chapman, PA
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in January
Chapman, PA
- Average humidity in January: 78%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in January
Chapman, PA
- Average rainfall in January: 2.36"
The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in January
Chapman, PA
- Average rainfall days in January: 8.5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in January
Chapman, PA
- Average snowfall in January: 4.17"
The month with the highest snowfall is March (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Chapman, PA
- Average snowfall days in January: 8.8 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Chapman, PA
- Average daylight in January: 9h and 36min
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 18min).
- Average sunshine in January: 4h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in January
Chapman, PA
- Average sunshine days in January: 17 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in January
Chapman, PA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Chapman, PA
- Average cloud cover in January: 49
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in January
Chapman, PA
- Average visibility in January: 5mi
The months with the highest visibility are April, June, July and November (6mi).
The months with the lowest visibility are January, February, March, May, August, September, October and December (5mi).
