January weather forecastJeannette, PA
January
Weather in January
January, the same as December, is a wintry winter month in Jeannette, Pennsylvania, with an average temperature ranging between min 20.3°F (-6.5°C) and max 32.9°F (0.5°C).Temperature
In Jeannette, January is the month with the lowest recorded average temperatures, measuring a high of 32.9°F (0.5°C) and a low of 20.3°F (-6.5°C).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 85%.Rainfall
In Jeannette, Pennsylvania, during January, the rain falls for 9.8 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Jeannette, Pennsylvania, during the entire year, the rain falls for 186 days and collects up to 34.84" (885mm) 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 17.6 days and typically aggregates up to 6.65" (169mm) of snow.Daylight
The average length of the day in January is 9h and 41min.On the first day of January, sunrise is at 7:41 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:35 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 3h of sunshine.UV index
The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: In January, the maximum UV index of 2 suggests this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Jeannette, PA
- Average high temperature in January: 32.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in January: 20.3°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in January
Jeannette, PA
- Average pressure in January: 30.11"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
Jeannette, PA
- Average wind speed in January: 8.5mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Jeannette, PA
- Average humidity in January: 85%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in January
Jeannette, PA
- Average rainfall in January: 2.64"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in January
Jeannette, PA
- Average rainfall days in January: 9.8 days
The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in January
Jeannette, PA
- Average snowfall in January: 6.65"
The month with the highest snowfall is January (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Jeannette, PA
- Average snowfall days in January: 17.6 days
The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Jeannette, 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 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in January
Jeannette, PA
- Average sunshine days in January: 6.4 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.4 days).
Average UV index in January
Jeannette, PA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Jeannette, PA
- Average cloud cover in January: 70
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in January
Jeannette, PA
- Average visibility in January: 4mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).





