Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, with its average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 21.9°F (-5.6°C), holds the record as the coldest month.Humidity
The average relative humidity in January is 78%.Rainfall
In Stony Run, during January, the rain falls for 7.2 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Stony Run, during the entire year, the rain falls for 147.9 days and collects up to 25.94" (659mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Stony Run. January is the month with the most snowfall. Snow falls for 7.8 days and accumulates 4.02" (102mm) of snow.Daylight
The average length of the day in January is 9h and 40min.On the first day of the month, sunrise is at 7:26 am and sunset at 4:46 pm. On the last day of January, sunrise is at 7:14 am and sunset at 5:19 pm EST.
Sunshine
In January, the average sunshine is 4.6h.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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 2 during January translates into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is it in January?
What is the average humidity in January?
How much does it rain in January?
When does it snow the most?
How much does it snow in January?
How many hours of daylight does Stony Run have in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Stony Run, PA
- Average high temperature in January: 34.3°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 (34.3°F).
- Average low temperature in January: 21.9°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in January
Stony Run, 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
Stony Run, PA
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Stony Run, PA
- Average humidity in January: 78%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
Stony Run, PA
- Average rainfall in January: 1.93"
The wettest month (with the highest rainfall) is August (2.8").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in January
Stony Run, PA
- Average rainfall days in January: 7.2 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in January
Stony Run, PA
- Average snowfall in January: 4.02"
The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Stony Run, PA
- Average snowfall days in January: 7.8 days
The month with the highest number of snowfall days is January (7.8 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
Stony Run, PA
- Average daylight in January: 9h and 4min
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 4min
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 30min).
Average sunshine days in January
Stony Run, PA
- Average sunshine days in January: 18.1 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11 days).
Average UV index in January
Stony Run, 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
Stony Run, PA
- Average cloud cover in January: 49
The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Stony Run, PA
- Average visibility in January: 6mi
The months with the highest visibility are January, March, April, June, July and November (6mi).
The months with the lowest visibility are February, May, August, September, October and December (5mi).
Stony Run, Pennsylvania, USA
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