January weather forecastMarianna, PA
January
Weather in January
January, the same as December, is an icy winter month in Marianna, Pennsylvania, with temperature in the range of an average low of 21.2°F (-6°C) and an average high of 34.3°F (1.3°C).Temperature
Marianna's coldest temperatures are experienced in January, with average high temperatures of 34.3°F (1.3°C) and lows of 21.2°F (-6°C).Humidity
January and February, with an average relative humidity of 84%, are the most humid months.Rainfall
In Marianna, Pennsylvania, during January, the rain falls for 9.3 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Marianna, during the entire year, the rain falls for 170.8 days and collects up to 25.2" (640mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Marianna, in January, snow falls for 16.1 days, with typically accumulated 3.62" (92mm) of snow. Throughout the year, there are 54.5 snowfall days, and 14.41" (366mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 43min.On the first day of January, sunrise is at 7:42 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:37 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 3h of sunshine.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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 2 during January translates into these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Marianna, PA
- Average high temperature in January: 34.3°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in January: 21.2°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in January
Marianna, PA
- Average pressure in January: 30.11"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
Marianna, PA
- Average wind speed in January: 7.7mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in January
Marianna, PA
- Average humidity in January: 84%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in January
Marianna, PA
- Average rainfall in January: 1.57"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is November (1.54").
Average rainfall days in January
Marianna, PA
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in January
Marianna, PA
- Average snowfall in January: 3.62"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Marianna, PA
- Average snowfall days in January: 16.1 days
The month with the highest number of snowfall days is January (16.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Marianna, 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 24min).
- Average sunshine in January: 3h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in January
Marianna, PA
- Average sunshine days in January: 8.7 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (8.2 days).
Average UV index in January
Marianna, PA
- Average UV index in January: 2
The months with the highest UV index are May, June and July (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
Marianna, PA
- Average cloud cover in January: 68
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Marianna, PA
- Average visibility in January: 5mi
The months with the highest visibility are April, August and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, September, October and December (5mi).





