January weather forecastStahlstown, PA
January
Weather in January
January, like December, in Stahlstown, Pennsylvania, is a wintry winter month, with an average temperature ranging between min 19.9°F (-6.7°C) and max 32.4°F (0.2°C).Temperature
January, marked by an average high-temperature of 32.4°F (0.2°C) and a low-temperature of 19.9°F (-6.7°C), is the coldest month.Humidity
January and February, with an average relative humidity of 86%, are the most humid months.Rainfall
In Stahlstown, during January, the rain falls for 8.4 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, there are 179.1 rainfall days, and 33.43" (849mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is January, when snow falls for 16.3 days and typically aggregates up to 7.99" (203mm) of snow.Daylight
In Stahlstown, the average length of the day in January is 9h and 42min.On the first day of January, sunrise is at 7:39 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:34 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 3h of sunshine.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in January converts into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. 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
Stahlstown, PA
- Average high temperature in January: 32.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in January: 19.9°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in January
Stahlstown, PA
- Average pressure in January: 30.11"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
Stahlstown, PA
- Average wind speed in January: 8.9mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in January
Stahlstown, PA
- Average humidity in January: 86%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, June, July and August (78%).
Average rainfall in January
Stahlstown, PA
- Average rainfall in January: 2.6"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in January
Stahlstown, PA
- Average rainfall days in January: 8.4 days
The month with the highest number of rainy days is May (22.6 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in January
Stahlstown, PA
- Average snowfall in January: 7.99"
The month with the highest snowfall is January (7.99").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Stahlstown, PA
- Average snowfall days in January: 16.3 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Stahlstown, 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: 3h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in January
Stahlstown, PA
- Average sunshine days in January: 9.2 days
The month with the most sunshine days is November (14.6 days).
The month with the least sunshine days is May (7.4 days).
Average UV index in January
Stahlstown, PA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in January
Stahlstown, PA
- Average cloud cover in January: 70
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in January
Stahlstown, 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).





