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
Rock Hill experiences its lowest average temperatures in January, reaching a peak of 29.8°F (-1.2°C) and a minimum of 17.1°F (-8.3°C).Humidity
The average relative humidity in January in Rock Hill, New York, is 83%.Rainfall
January and February are months with the least rain when the rain falls for 7.5 days and typically aggregates up to 1.65" (42mm) of rain.Snowfall
January through May, October through December are months with snowfall. In Rock Hill, in January, during 8.3 snowfall days, 4.8" (122mm) of snow is typically accumulated. Throughout the year, in Rock Hill, there are 42.6 snowfall days, and 20.98" (533mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 34min.On the first day of January, sunrise is at 7:25 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:12 pm EST.
Sunshine
In January, the average sunshine in Rock Hill is 4.3h.UV index
The months with the lowest UV index in Rock Hill, New York, are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What are the coldest months in Rock Hill?
How cold is January in Rock Hill?
What is the average humidity in January in Rock Hill?
What is the driest month in Rock Hill?
How much does it rain in Rock Hill in January?
How many days does it snow in January in Rock Hill?
How many hours of daylight does Rock Hill have in January?
What time are sunrise and sunset in January in Rock Hill?
How long on average sun shines in January in Rock Hill?
When is the lowest UV index in Rock Hill?
What is the UV index intensity in January in Rock Hill?
Average temperature in January
Rock Hill, NY
- Average high temperature in January: 29.8°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in January: 17.1°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in January
Rock Hill, 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
Rock Hill, NY
- Average wind speed in January: 7.8mph
The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Rock Hill, NY
- Average humidity in January: 83%
The months with the highest relative humidity are February and December (85%).
The month with the lowest relative humidity is July (77%).
Average rainfall in January
Rock Hill, NY
- Average rainfall in January: 1.65"
The wettest month (with the highest rainfall) is May (2.8").
The driest months (with the least rainfall) are January and February (1.65").
Average rainfall days in January
Rock Hill, NY
- Average rainfall days in January: 7.5 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in January
Rock Hill, NY
- Average snowfall in January: 4.8"
The month with the highest snowfall is December (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Rock Hill, NY
- Average snowfall days in January: 8.3 days
The month with the highest number of snowfall days is February (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Rock Hill, NY
- Average daylight in January: 9h and 4min
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 12min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in January
Rock Hill, NY
- Average sunshine days in January: 18.3 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in January
Rock Hill, NY
- Average UV index in January: 2
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, March, October, November and December (UV index 2).
Average cloud cover in January
Rock Hill, NY
- Average cloud cover in January: 54
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in January
Rock Hill, NY
- Average visibility in January: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (5mi).
The months with the lowest visibility are May and September (4mi).
Rock Hill, New York, USA
Weather forecast for your location
2. Allow the app to use your location
