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 is the month when East William Penn sees the lowest average temperatures, with a high of 31.8°F (-0.1°C) and a low of 19.6°F (-6.9°C).Humidity
In East William Penn, Pennsylvania, the average relative humidity in January is 80%.Rainfall
In East William Penn, during January, the rain falls for 9.7 days and regularly aggregates up to 2.68" (68mm) of precipitation. In East William Penn, during the entire year, the rain falls for 171 days and collects up to 34.25" (870mm) of precipitation.Snowfall
Months with snowfall in East William Penn are January through May, October through December. The month with the most snowfall in East William Penn is January, when snow falls for 12.7 days and typically aggregates up to 7.24" (184mm) of snow.Daylight
In East William Penn, Pennsylvania, the average length of the day in January is 9h and 38min.On the first day of the month, sunrise is at 7:29 am and sunset at 4:47 pm. On the last day of January, in East William Penn, sunrise is at 7:16 am and sunset at 5:20 pm EST.
Sunshine
The months with the least sunshine are January and February, with an average of 4.3h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: In January, the UV index of 2 transforms into the following advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What is the coldest time of year in East William Penn?
How cold is January in East William Penn?
What is the average humidity in January in East William Penn?
How much does it rain in East William Penn in January?
What is the snowiest month in East William Penn?
How many days does it snow in January in East William Penn?
How many hours of daylight does East William Penn have in January?
What time are sunrise and sunset in January in East William Penn?
What is the month with the least sunshine in East William Penn?
How long on average sun shines in January in East William Penn?
What is the month with the lowest UV index in East William Penn?
What is the UV index intensity in January in East William Penn?
Average temperature in January
East William Penn, PA
- Average high temperature in January: 31.8°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 (31.8°F).
- Average low temperature in January: 19.6°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in January
East William Penn, PA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
East William Penn, 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 (4.8mph).
Average humidity in January
East William Penn, PA
- Average humidity in January: 80%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in January
East William Penn, PA
- Average rainfall in January: 2.68"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in January
East William Penn, PA
- Average rainfall days in January: 9.7 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in January
East William Penn, PA
- Average snowfall in January: 7.24"
The month with the highest snowfall is January (7.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
East William Penn, PA
- Average snowfall days in January: 12.7 days
The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
East William Penn, PA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).
Average sunshine days in January
East William Penn, PA
- Average sunshine days in January: 12.9 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is May (9.1 days).
Average UV index in January
East William Penn, PA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
East William Penn, PA
- Average cloud cover in January: 53
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in January
East William Penn, PA
- Average visibility in January: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
East William Penn, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
