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
The coldest period tends to be January, when average temperatures fluctuate between a high of 27.9°F (-2.3°C) and a low of 16°F (-8.9°C).Humidity
In Hornell, New York, the average relative humidity in January is 86%.Rainfall
January is the month with the least rainfall. Rain falls for 6.7 days and accumulates 1.26" (32mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In January, it is snowing for 16.5 days. Throughout January, 4.29" (109mm) of snow is accumulated. Throughout the year, there are 71.8 snowfall days, and 25.47" (647mm) of snow is accumulated.Daylight
In Hornell, the average length of the day in January is 9h and 30min.On the first day of the month, sunrise is at 7:39 am and sunset at 4:48 pm. On the last day of January, sunrise is at 7:25 am and sunset at 5:22 pm EST.
Sunshine
The months with the least sunshine are January, February and December, with an average of 2.8h of sunshine.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 1 in January translates into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. 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 is the coldest time of year?
How cold is January?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Hornell have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Hornell have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Hornell, NY
- Average high temperature in January: 27.9°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 (27.9°F).
- Average low temperature in January: 16°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in January
Hornell, NY
- Average pressure in January: 30.07"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Hornell, 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 (6.2mph).
Average humidity in January
Hornell, NY
- Average humidity in January: 86%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (78%).
Average rainfall in January
Hornell, NY
- Average rainfall in January: 1.26"
The wettest month (with the highest rainfall) is October (2.52").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in January
Hornell, NY
- Average rainfall days in January: 6.7 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in January
Hornell, NY
- Average snowfall in January: 4.29"
The month with the highest snowfall is February (6.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Hornell, NY
- Average snowfall days in January: 16.5 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Hornell, 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 6min).
- Average sunshine in January: 2h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January, February and December (Average sunshine: 2h and 48min).
Average sunshine days in January
Hornell, NY
- Average sunshine days in January: 10.8 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (9 days).
Average UV index in January
Hornell, 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, February and December (UV index 1).
Average cloud cover in January
Hornell, NY
- Average cloud cover in January: 75
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in January
Hornell, NY
- Average visibility in January: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Hornell, New York, USA
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