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 that records the lowest temperatures, with averages ranging from a high of 31.5°F (-0.3°C) to a low of 19°F (-7.2°C).Humidity
The average relative humidity in January is 82%.Rainfall
In Blue Knob, during January, the rain falls for 8.8 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, there are 162.4 rainfall days, and 30" (762mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Blue Knob, Pennsylvania, in January, during 12 snowfall days, 5.75" (146mm) of snow is typically accumulated. Throughout the year, there are 47.1 snowfall days, and 24.8" (630mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 41min.On the first day of the month, sunrise is at 7:36 am and sunset at 4:58 pm. On the last day of January, sunrise is at 7:24 am and sunset at 5:30 pm EST.
Sunshine
With an average of 3.7h of sunshine, January has the least sunshine of the year.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 estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 2 during January translates into the following directions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is January?
What is the average humidity in January in Blue Knob?
How many days does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index in Blue Knob?
What is the UV index reading in January?
Average temperature in January
Blue Knob, PA
- Average high temperature in January: 31.5°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in January: 19°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in January
Blue Knob, PA
- Average pressure in January: 30.1"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
Blue Knob, PA
- Average wind speed in January: 9.4mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in January
Blue Knob, PA
- Average humidity in January: 82%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is July (77%).
Average rainfall in January
Blue Knob, PA
- Average rainfall in January: 1.93"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is November (1.65").
Average rainfall days in January
Blue Knob, PA
- Average rainfall days in January: 8.8 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in January
Blue Knob, PA
- Average snowfall in January: 5.75"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Blue Knob, PA
- Average snowfall days in January: 12 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Blue Knob, 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: 3h and 4min
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 42min).
Average sunshine days in January
Blue Knob, PA
- Average sunshine days in January: 13.4 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in January
Blue Knob, 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, October, November and December (UV index 2).
Average cloud cover in January
Blue Knob, PA
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in January
Blue Knob, 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).
Blue Knob, Pennsylvania, USA
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