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
Temperature records mark January as the coldest month, with highs averaging 27°F (-2.8°C) and lows at 16.2°F (-8.8°C).Humidity
In January, the average relative humidity is 87%.Rainfall
In Pompey, in January, during 4.5 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, there are 114.4 rainfall days, and 10.59" (269mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Pompey, in January, snow falls for 13.9 days, with typically accumulated 2.09" (53mm) of snow. Throughout the year, there are 67.3 snowfall days, and 12.32" (313mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 27min.On the first day of January, sunrise is at 7:34 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:14 pm EST.
Sunshine
The average sunshine in January is 2.7h.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 threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 1 suggests this advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is January?
What is the average humidity in January?
How many days does it rain in January in Pompey?
How much does it snow in January?
How many hours of daylight does Pompey have in January?
When is the sunrise / sunset in January in Pompey?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index reading in January in Pompey?
Average temperature in January
Pompey, NY
- Average high temperature in January: 27°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in January: 16.2°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in January
Pompey, 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 (29.93"Hg).
Average wind speed in January
Pompey, 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 (6mph).
Average humidity in January
Pompey, NY
- Average humidity in January: 87%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in January
Pompey, NY
- Average rainfall in January: 0.67"
The wettest month (with the highest rainfall) is May (1.18").
The driest month (with the least rainfall) is September (0.63").
Average rainfall days in January
Pompey, NY
- Average rainfall days in January: 4.5 days
The month with the highest number of rainy days is July (14.5 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in January
Pompey, NY
- Average snowfall in January: 2.09"
The month with the highest snowfall is November (2.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Pompey, NY
- Average snowfall days in January: 13.9 days
The month with the highest number of snowfall days is February (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Pompey, NY
- Average daylight in January: 9h and 3min
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 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in January
Pompey, NY
- Average sunshine days in January: 17.6 days
The month with the most sunshine days is October (18.2 days).
The months with the least sunshine days are February and July (12.9 days).
Average UV index in January
Pompey, 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
Pompey, NY
- Average cloud cover in January: 74
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in January
Pompey, NY
- Average visibility in January: 5mi
The months with the highest visibility are April, May, October, November and December (6mi).
The months with the lowest visibility are January, February, March, June, July, August and September (5mi).
Pompey, New York, USA
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