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
With an average high-temperature of 36°F (2.2°C) and an average low-temperature of 23.9°F (-4.5°C), January is the coldest month.Humidity
In Valley Forge, Pennsylvania, the average relative humidity in January is 76%.Rainfall
In Valley Forge, in January, during 6.9 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Valley Forge, during the entire year, the rain falls for 132.3 days and collects up to 13.98" (355mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Valley Forge. The months with the most snowfall are January and February, with an average 0.59" (15mm) of accumulated snow.Daylight
In Valley Forge, Pennsylvania, the average length of the day in January is 9h and 43min.On the first day of the month, sunrise is at 7:23 am and sunset at 4:46 pm. On the last day of January, in Valley Forge, Pennsylvania, sunrise is at 7:11 am and sunset at 5:18 pm EST.
Sunshine
In Valley Forge, the average sunshine in January is 4.8h.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 unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 2 during January translates into the following guidance:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Stay sun-safe with clothing that is both closely woven and worn loosely. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the coldest time of year in Valley Forge?
How cold is January in Valley Forge?
What is the average humidity in January in Valley Forge?
How many days does it rain in January in Valley Forge?
What is the snowiest month in Valley Forge?
How much does it snow in Valley Forge in January?
What is the average length of the day in January in Valley Forge?
What time are sunrise and sunset in January in Valley Forge?
How many hours of sunshine does Valley Forge have in January?
What are the months with the lowest UV index in Valley Forge?
What is the UV index intensity in January in Valley Forge?
Average temperature in January
Valley Forge, PA
- Average high temperature in January: 36°F
The warmest month (with the highest average high temperature) is July (85.1°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 (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in January
Valley Forge, 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
Valley Forge, PA
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in January
Valley Forge, PA
- Average humidity in January: 76%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in January
Valley Forge, PA
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is August (1.77").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in January
Valley Forge, PA
- Average rainfall days in January: 6.9 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in January
Valley Forge, PA
- Average snowfall in January: 0.59"
The months with the highest snowfall are January and February (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Valley Forge, PA
- Average snowfall days in January: 4.8 days
The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Valley Forge, 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 24min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
Valley Forge, PA
- Average sunshine days in January: 20.7 days
The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in January
Valley Forge, 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
Valley Forge, PA
- Average cloud cover in January: 46
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Valley Forge, 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).
Valley Forge, Pennsylvania, USA
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