January weather forecastQuarryville, PA
January
Weather in January
January, the same as December, is another cold winter month in Quarryville, Pennsylvania, with an average temperature ranging between max 36°F (2.2°C) and min 23.9°F (-4.5°C).Temperature
The month of January sees the lowest average temperatures, reaching 36°F (2.2°C) at the peak and 23.9°F (-4.5°C) at the low.Humidity
In January, the average relative humidity is 77%.Rainfall
In Quarryville, during January, the rain falls for 8.7 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Quarryville, during the entire year, the rain falls for 156.5 days and collects up to 28.74" (730mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Quarryville, in January, during 6.7 snowfall days, 2.95" (75mm) of snow is typically accumulated. In Quarryville, during the entire year, snow falls for 20.3 days and aggregates up to 11.54" (293mm) of snow.Daylight
In January, the average length of the day in Quarryville is 9h and 43min.On the first day of the month, sunrise is at 7:26 am and sunset at 4:50 pm. On the last day of January, in Quarryville, Pennsylvania, sunrise is at 7:13 am and sunset at 5:22 pm EST.
Sunshine
The average sunshine in January is 4.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: In January, the maximum UV index of 2 translates into these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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
Quarryville, PA
- Average high temperature in January: 36°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in January: 23.9°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in January
Quarryville, 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
Quarryville, PA
- Average wind speed in January: 8.9mph
The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in January
Quarryville, PA
- Average humidity in January: 77%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in January
Quarryville, PA
- Average rainfall in January: 1.93"
The wettest month (with the highest rainfall) is August (3.7").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days in January
Quarryville, PA
- Average rainfall days in January: 8.7 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in January
Quarryville, PA
- Average snowfall in January: 2.95"
The month with the highest snowfall is March (4.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Quarryville, PA
- Average snowfall days in January: 6.7 days
The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Quarryville, 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 54min
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 42min).
Average sunshine days in January
Quarryville, PA
- Average sunshine days in January: 17.9 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in January
Quarryville, 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, November and December (UV index 2).
Average cloud cover in January
Quarryville, PA
- Average cloud cover in January: 46
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Quarryville, PA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).





