January weather forecastLilly, PA
January
Weather in January
January, like December, is a freezing cold winter month in Lilly, Pennsylvania, with an average temperature fluctuating between 18.9°F (-7.3°C) and 30.4°F (-0.9°C).Temperature
January, known for its average high temperature of 30.4°F (-0.9°C) and an average low temperature of 18.9°F (-7.3°C), is the coldest month.Humidity
The average relative humidity in January is 84%.Rainfall
In Lilly, in January, during 7.7 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Lilly, during the entire year, the rain falls for 170 days and collects up to 33.46" (850mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In January, it is snowing for 18 days. Throughout January, 8.66" (220mm) of snow is accumulated. In Lilly, during the entire year, snow falls for 70.6 days and aggregates up to 40.12" (1019mm) of snow.Daylight
In Lilly, the average length of the day in January is 9h and 41min.On the first day of the month, sunrise is at 7:37 am and sunset at 4:58 pm. On the last day of January, sunrise is at 7:24 am and sunset at 5:30 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 3.1h of sunshine.UV index
In Lilly, Pennsylvania, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 2 in January leads to these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Lilly, PA
- Average high temperature in January: 30.4°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in January
Lilly, PA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Lilly, PA
- Average wind speed in January: 10mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in January
Lilly, PA
- Average humidity in January: 84%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in January
Lilly, PA
- Average rainfall in January: 2.52"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in January
Lilly, PA
- Average rainfall days in January: 7.7 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in January
Lilly, PA
- Average snowfall in January: 8.66"
The month with the highest snowfall is February (8.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Lilly, PA
- Average snowfall days in January: 18 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Lilly, 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 18min).
- Average sunshine in January: 3h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in January
Lilly, PA
- Average sunshine days in January: 7.7 days
The month with the most sunshine days is November (13.5 days).
The months with the least sunshine days are January and February (7.7 days).
Average UV index in January
Lilly, PA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Lilly, PA
- Average cloud cover in January: 70
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in January
Lilly, PA
- Average visibility in January: 4mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).





