January weather forecastKing of Prussia, PA
January
Weather in January
January in King of Prussia, Pennsylvania features typical winter conditions, marked by a chill in the air and the occasional snowfall. Despite the cold, the sun does make an appearance for approximately four hours per day. Roughly half the days in the month are characterized by overcast skies, contributing to the winter scenery. A key climatic feature in January is the low temperatures, inching between 24.3°F (-4.3°C) and 36.7°F (2.6°C), coupled with the occurrence of snowfall, measuring over 0.51" (13mm) over five days. Conclusively, the weather is fairly predictable: cold, somewhat humid, and with a fair chance of snow.Temperature
The month of January sees the lowest average temperatures, reaching 36.7°F (2.6°C) at the peak and 24.3°F (-4.3°C) at the low.Humidity
In King of Prussia, the average relative humidity in January is 76%.Rainfall
In January, the rain falls for 7.8 days. Throughout January, 0.98" (25mm) of precipitation is accumulated. In King of Prussia, during the entire year, the rain falls for 138.2 days and collects up to 15.59" (396mm) of precipitation.Snowfall
January through March, May and December are months with snowfall. In King of Prussia, Pennsylvania, during January, snow falls for 5.2 days and regularly aggregates up to 0.51" (13mm) of snow. In King of Prussia, during the entire year, snow falls for 15.8 days and aggregates up to 2.13" (54mm) of snow.Daylight
In King of Prussia, the average length of the day in January is 9h and 43min.On the first day of January, sunrise is at 7:23 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:18 pm EST.
Sunshine
The average sunshine in January is 4.9h.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 value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: In January, the maximum UV index of 2 suggests this advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
King of Prussia, PA
- Average high temperature in January: 36.7°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in January: 24.3°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in January
King of Prussia, 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
King of Prussia, PA
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in January
King of Prussia, PA
- Average humidity in January: 76%
The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (72%).
Average rainfall in January
King of Prussia, PA
- Average rainfall in January: 0.98"
The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in January
King of Prussia, PA
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is November (7.4 days).
Average snowfall in January
King of Prussia, PA
- Average snowfall in January: 0.51"
The months with the highest snowfall are February and March (0.55").
The months with the least snowfall are April, June, July, August, September, October and November (0").
Average snowfall days in January
King of Prussia, PA
- Average snowfall days in January: 5.2 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
King of Prussia, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
King of Prussia, PA
- Average sunshine days in January: 20.2 days
The month with the most sunshine days is November (20.5 days).
The months with the least sunshine days are May and June (12.8 days).
Average UV index in January
King of Prussia, 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
King of Prussia, PA
- Average cloud cover in January: 45
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
King of Prussia, 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).
