January weather forecastKarthaus, PA
January
Weather in January
January, like December, is another subzero cold winter month in Karthaus, Pennsylvania, with temperature in the range of an average high of 29.7°F (-1.3°C) and an average low of 18°F (-7.8°C).Temperature
Temperature readings reach their annual highs in January, averaging 29.7°F (-1.3°C) and a minimum average of 18°F (-7.8°C).Humidity
In January, the average relative humidity is 85%.Rainfall
In Karthaus, in January, it is raining for 7.6 days, with typically 2.44" (62mm) of accumulated precipitation. In Karthaus, during the entire year, the rain falls for 165.7 days and collects up to 31.54" (801mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 19.1 days and typically aggregates up to 9.25" (235mm) of snow.Daylight
In January, the average length of the day in Karthaus is 9h and 37min.On the first day of January, sunrise is at 7:37 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:27 pm EST.
Sunshine
With an average of 2.6h of sunshine, January has the least sunshine of the year in Karthaus.UV index
The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 2 during January translates into the following directions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Karthaus, PA
- Average high temperature in January: 29.7°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in January: 18°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in January
Karthaus, 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 (29.95"Hg).
Average wind speed in January
Karthaus, PA
- Average wind speed in January: 9.1mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in January
Karthaus, PA
- Average humidity in January: 85%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is July (77%).
Average rainfall in January
Karthaus, PA
- Average rainfall in January: 2.44"
The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is August (1.97").
Average rainfall days in January
Karthaus, PA
- Average rainfall days in January: 7.6 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in January
Karthaus, PA
- Average snowfall in January: 9.25"
The month with the highest snowfall is January (9.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Karthaus, PA
- Average snowfall days in January: 19.1 days
The month with the highest number of snowfall days is January (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Karthaus, PA
- Average daylight in January: 9h and 36min
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: 2h and 36min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in January
Karthaus, PA
- Average sunshine days in January: 7.9 days
The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in January
Karthaus, PA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Karthaus, PA
- Average cloud cover in January: 74
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in January
Karthaus, PA
- Average visibility in January: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
