January weather forecastSentinel Heights, NY
January
Weather in January
January, the same as December, in Sentinel Heights, New York, is another subzero cold winter month, with an average temperature ranging between max 28°F (-2.2°C) and min 16.7°F (-8.5°C).Temperature
In Sentinel Heights, the month of January registers the lowest temperatures, averaging 28°F (-2.2°C) at the peak and 16.7°F (-8.5°C) at the lowest.Humidity
The months with the highest humidity are January and February, with an average relative humidity of 87%.Rainfall
January is the month with the least rainfall. Rain falls for 6.4 days and accumulates 1.42" (36mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In January, it is snowing for 16.8 days. Throughout January, 4.17" (106mm) of snow is accumulated. In Sentinel Heights, during the entire year, snow falls for 66.5 days and aggregates up to 22.87" (581mm) of snow.Daylight
In Sentinel Heights, the average length of the day in January 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
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 in Sentinel Heights. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In January, the maximum UV index of 1 transforms into these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Sentinel Heights, NY
- Average high temperature in January: 28°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in January: 16.7°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in January
Sentinel Heights, 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
Sentinel Heights, NY
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).
Average humidity in January
Sentinel Heights, NY
- Average humidity in January: 87%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (78%).
Average rainfall in January
Sentinel Heights, NY
- Average rainfall in January: 1.42"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is January (1.42").
Average rainfall days in January
Sentinel Heights, NY
- Average rainfall days in January: 6.4 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (6 days).
Average snowfall in January
Sentinel Heights, NY
- Average snowfall in January: 4.17"
The month with the highest snowfall is December (5.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Sentinel Heights, NY
- Average snowfall days in January: 16.8 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Sentinel Heights, 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 6min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in January
Sentinel Heights, NY
- Average sunshine days in January: 9.5 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in January
Sentinel Heights, 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
Sentinel Heights, NY
- Average cloud cover in January: 75
The months with the most cloud cover are January and February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in January
Sentinel Heights, 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).





