January weather forecastSouth Onondaga, NY
January
Weather in January
January, like December, is another subzero cold winter month in South Onondaga, New York, with an average temperature fluctuating between 28.4°F (-2°C) and 17.1°F (-8.3°C).Temperature
January is the month when South Onondaga sees the lowest average temperatures, with a high of 28.4°F (-2°C) and a low of 17.1°F (-8.3°C).Humidity
In January, the average relative humidity is 86%.Rainfall
In January, in South Onondaga, the rain falls for 6.7 days. Throughout January, 1.1" (28mm) of precipitation is accumulated. Throughout the year, in South Onondaga, there are 141.4 rainfall days, and 16.57" (421mm) of precipitation is accumulated.Snowfall
Months with snowfall in South Onondaga are January through April, October through December. In South Onondaga, in January, during 18.3 snowfall days, 3.39" (86mm) of snow is typically accumulated. Throughout the year, in South Onondaga, there are 71.7 snowfall days, and 16.5" (419mm) of snow is accumulated.Daylight
The average length of the day in January in South Onondaga is 9h and 27min.On the first day of January, sunrise is at 7:35 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:15 pm EST.
Sunshine
In South Onondaga, the average sunshine in January is 2.6h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 1 in January interprets into the following advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
South Onondaga, NY
- Average high temperature in January: 28.4°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in January: 17.1°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in January
South Onondaga, NY
- Average pressure in January: 30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
South Onondaga, NY
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in January
South Onondaga, NY
- Average humidity in January: 86%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (78%).
Average rainfall in January
South Onondaga, NY
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is September (1.02").
Average rainfall days in January
South Onondaga, NY
- Average rainfall days in January: 6.7 days
The months with the highest number of rainy days are May and July (15 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in January
South Onondaga, NY
- Average snowfall in January: 3.39"
The months with the highest snowfall are February and December (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
South Onondaga, NY
- Average snowfall days in January: 18.3 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
South Onondaga, NY
- Average daylight in January: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 2h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in January
South Onondaga, NY
- Average sunshine days in January: 9.9 days
The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in January
South Onondaga, NY
- Average UV index in January: 1
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 and December (UV index 1).
Average cloud cover in January
South Onondaga, NY
- Average cloud cover in January: 74
The months with the most cloud cover are January and February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in January
South Onondaga, NY
- Average visibility in January: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).





