Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, with its high-temperature average of 26.4°F (-3.1°C) and a low-temperature average of 13.8°F (-10.1°C), is the coldest month.Humidity
In January, the average relative humidity in Sundown is 87%.Rainfall
In January, the rain falls for 6.3 days. Throughout January, 2.36" (60mm) of precipitation is accumulated. Throughout the year, there are 157.3 rainfall days, and 37.91" (963mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In January, it is snowing for 16.8 days. Throughout January, 10.04" (255mm) of snow is accumulated. Throughout the year, there are 87.2 snowfall days, and 56.85" (1444mm) of snow is accumulated.Daylight
In Sundown, the average length of the day in January is 9h and 33min.On the first day of the month, sunrise is at 7:25 am and sunset at 4:37 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:10 pm EST.
Sunshine
In January, the average sunshine is 3h.UV index
January through March, November 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 minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the maximum UV index of 1 transforms into these recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is it in January?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Sundown have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Sundown have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Sundown, NY
- Average high temperature in January: 26.4°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (26.4°F).
- Average low temperature in January: 13.8°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in January
Sundown, NY
- Average pressure in January: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Sundown, NY
- Average wind speed in January: 8.1mph
The windiest months (with the highest average wind speed) are January and February (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Sundown, NY
- Average humidity in January: 87%
The months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is July (80%).
Average rainfall in January
Sundown, NY
- Average rainfall in January: 2.36"
The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is February (2.32").
Average rainfall days in January
Sundown, NY
- Average rainfall days in January: 6.3 days
The month with the highest number of rainy days is May (19.3 days).
The months with the least rainy days are January and February (6.3 days).
Average snowfall in January
Sundown, NY
- Average snowfall in January: 10.04"
The month with the highest snowfall is December (10.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Sundown, NY
- Average snowfall days in January: 16.8 days
The month with the highest number of snowfall days is February (17 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Sundown, NY
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 3h and 0min
The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in January
Sundown, NY
- Average sunshine days in January: 11.8 days
The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is February (8.1 days).
Average UV index in January
Sundown, NY
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in January
Sundown, NY
- Average cloud cover in January: 72
The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 48).
Average visibility in January
Sundown, NY
- Average visibility in January: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
Sundown, New York, USA
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