January weather forecastWesthampton, NY
January
Weather in January
January, like December, in Westhampton, New York, is another cold winter month, with an average temperature fluctuating between 38.8°F (3.8°C) and 31.1°F (-0.5°C).Temperature
Westhampton experiences its lowest average temperatures in January, reaching a peak of 38.8°F (3.8°C) and a minimum of 31.1°F (-0.5°C).Humidity
In January, the average relative humidity is 73%.Rainfall
January is the month with the least rainfall. Rain falls for 7.8 days and accumulates 1.89" (48mm) of precipitation.Snowfall
Months with snowfall are January through March, May and December. In January, it is snowing for 3.7 days. Throughout January, 0.94" (24mm) of snow is accumulated. Throughout the year, in Westhampton, there are 12.9 snowfall days, and 4.45" (113mm) of snow is accumulated.Daylight
In Westhampton, the average length of the day in January is 9h and 38min.On the first day of January, sunrise is at 7:14 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:06 pm EST.
Sunshine
In January, the average sunshine in Westhampton is 5.1h.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 2 during January translates into the following directions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Westhampton, NY
- Average high temperature in January: 38.8°F
The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in January: 31.1°F
The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure in January
Westhampton, NY
- Average pressure in January: 30.04"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Westhampton, NY
- Average wind speed in January: 15.4mph
The windiest month (with the highest average wind speed) is January (15.4mph).
The calmest month (with the lowest average wind speed) is July (10.2mph).
Average humidity in January
Westhampton, NY
- Average humidity in January: 73%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is November (72%).
Average rainfall in January
Westhampton, NY
- Average rainfall in January: 1.89"
The wettest month (with the highest rainfall) is October (3.07").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in January
Westhampton, NY
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in January
Westhampton, NY
- Average snowfall in January: 0.94"
The month with the highest snowfall is March (1.54").
The months with the least snowfall are April, June, July, August, September, October and November (0").
Average snowfall days in January
Westhampton, NY
- Average snowfall days in January: 3.7 days
The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Westhampton, 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 months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in January
Westhampton, NY
- Average sunshine days in January: 17.1 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is July (12.6 days).
Average UV index in January
Westhampton, 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 and December (UV index 2).
Average cloud cover in January
Westhampton, NY
- Average cloud cover in January: 46
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in January
Westhampton, 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).





