January weather forecastHartsdale, NY
January
Weather in January
January, the same as December, is an icy winter month in Hartsdale, New York, with temperature in the range of an average high of 35.2°F (1.8°C) and an average low of 23.9°F (-4.5°C).Temperature
Hartsdale witnesses the coldest weather in January, with temperatures averaging a high of 35.2°F (1.8°C) and a low of 23.9°F (-4.5°C).Humidity
In January, the average relative humidity in Hartsdale is 75%.Rainfall
In Hartsdale, New York, during January, the rain falls for 6.5 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Hartsdale, during the entire year, the rain falls for 132.4 days and collects up to 15.63" (397mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In January, in Hartsdale, it is snowing for 4.8 days. Throughout January, 0.91" (23mm) of snow is accumulated. Throughout the year, there are 18.9 snowfall days, and 5.08" (129mm) of snow is accumulated.Daylight
In Hartsdale, the average length of the day in January is 9h and 37min.On the first day of January, sunrise is at 7:20 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:10 pm EST.
Sunshine
The average sunshine in January in Hartsdale is 5.1h.UV index
The months with the lowest UV index in Hartsdale 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 vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 2 in January translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Beware! Reflection from snow can magnify 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
Hartsdale, NY
- Average high temperature in January: 35.2°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in January: 23.9°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in January
Hartsdale, 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
Hartsdale, NY
- Average wind speed in January: 8.3mph
The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in January
Hartsdale, NY
- Average humidity in January: 75%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (70%).
Average rainfall in January
Hartsdale, NY
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is July (2.01").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in January
Hartsdale, NY
- Average rainfall days in January: 6.5 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in January
Hartsdale, NY
- Average snowfall in January: 0.91"
The month with the highest snowfall is March (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Hartsdale, NY
- Average snowfall days in January: 4.8 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Hartsdale, NY
- Average daylight in January: 9h and 36min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Hartsdale, NY
- Average sunshine days in January: 20.4 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in January
Hartsdale, NY
- Average UV index in January: 2
The months with the highest UV index are June, July and August (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
Hartsdale, NY
- Average cloud cover in January: 44
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Hartsdale, NY
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
