January weather forecastDorlan, PA
January
Weather in January
January, like December, in Dorlan, Pennsylvania, is another cold winter month, with an average temperature ranging between max 35.4°F (1.9°C) and min 23.7°F (-4.6°C).Temperature
In Dorlan, January records the lowest average temperatures, peaking at 35.4°F (1.9°C) and reaching a low of 23.7°F (-4.6°C).Humidity
In Dorlan, the average relative humidity in January is 77%.Rainfall
In Dorlan, in January, during 6.7 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Dorlan, during the entire year, the rain falls for 145.6 days and collects up to 26.81" (681mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Dorlan, Pennsylvania, during January, snow falls for 4.6 days and regularly aggregates up to 2.32" (59mm) of snow. In Dorlan, during the entire year, snow falls for 17.2 days and aggregates up to 10.47" (266mm) of snow.Daylight
The average length of the day in January is 9h and 43min.On the first day of January, sunrise is at 7:24 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:20 pm EST.
Sunshine
The average sunshine in January is 4.7h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 2 in January translates into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Dorlan, PA
- Average high temperature in January: 35.4°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in January: 23.7°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in January
Dorlan, PA
- Average pressure in January: 30.09"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
Dorlan, PA
- Average wind speed in January: 8.5mph
The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in January
Dorlan, PA
- Average humidity in January: 77%
The months with the highest relative humidity are February, May and October (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall in January
Dorlan, PA
- Average rainfall in January: 1.77"
The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is February (1.61").
Average rainfall days in January
Dorlan, PA
- Average rainfall days in January: 6.7 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in January
Dorlan, PA
- Average snowfall in January: 2.32"
The month with the highest snowfall is March (3.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Dorlan, PA
- Average snowfall days in January: 4.6 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Dorlan, PA
- 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: 4h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
Dorlan, PA
- Average sunshine days in January: 20.1 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in January
Dorlan, PA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (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
Dorlan, PA
- Average cloud cover in January: 47
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Dorlan, PA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).





