January weather forecastCassandra, PA
January
Weather in January
January, the same as December, in Cassandra, Pennsylvania, is another subzero cold winter month, with an average temperature fluctuating between 30.6°F (-0.8°C) and 18.9°F (-7.3°C).Temperature
The month of January, characterized by an average high of 30.6°F (-0.8°C) and a low of 18.9°F (-7.3°C), is recognized as the coldest.Humidity
In January, the average relative humidity is 84%.Rainfall
In Cassandra, during January, the rain falls for 9.3 days and regularly aggregates up to 2.13" (54mm) of precipitation. In Cassandra, during the entire year, the rain falls for 165.8 days and collects up to 29.84" (758mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. January is the month with the most snowfall. Snow falls for 14.8 days and accumulates 6.34" (161mm) of snow.Daylight
In January, the average length of the day in Cassandra is 9h and 41min.On the first day of January, sunrise is at 7:37 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:30 pm EST.
Sunshine
With an average of 3.3h of sunshine, January has the least sunshine of the year.UV index
In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 2 in January suggests the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Cassandra, PA
- Average high temperature in January: 30.6°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in January
Cassandra, 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
Cassandra, PA
- Average wind speed in January: 10mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in January
Cassandra, PA
- Average humidity in January: 84%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in January
Cassandra, PA
- Average rainfall in January: 2.13"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days in January
Cassandra, PA
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is December (8.8 days).
Average snowfall in January
Cassandra, PA
- Average snowfall in January: 6.34"
The month with the highest snowfall is January (6.34").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Cassandra, PA
- Average snowfall days in January: 14.8 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Cassandra, 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 18min).
- Average sunshine in January: 3h and 18min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in January
Cassandra, PA
- Average sunshine days in January: 10.1 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in January
Cassandra, 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
Cassandra, PA
- Average cloud cover in January: 69
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in January
Cassandra, 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).





