January weather forecastRock, KS
January
Weather in January
January, like December, is a frosty winter month in Rock, Kansas, with an average temperature fluctuating between 43.7°F (6.5°C) and 27.1°F (-2.7°C).Temperature
The coldest period is January, when temperatures fluctuate between an average high of 43.7°F (6.5°C) and a low of 27.1°F (-2.7°C).Humidity
The average relative humidity in January is 67%.Rainfall
In Rock, in January, it is raining for 3.8 days, with typically 0.75" (19mm) of accumulated precipitation. In Rock, during the entire year, the rain falls for 117.5 days and collects up to 23.15" (588mm) of precipitation.Snowfall
January through March, October through December are months with snowfall in Rock, Kansas. In January, in Rock, it is snowing for 2.5 days. Throughout January, 0.51" (13mm) of snow is accumulated. In Rock, during the entire year, snow falls for 10.8 days and aggregates up to 4.25" (108mm) of snow.Daylight
In Rock, the average length of the day in January is 9h and 56min.On the first day of the month, sunrise is at 7:42 am and sunset at 5:20 pm. On the last day of January, in Rock, Kansas, sunrise is at 7:32 am and sunset at 5:50 pm CST.
Sunshine
With an average of 6h of sunshine, January has the least sunshine of the year in Rock.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 2 in January translates into this advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Rock, KS
- Average high temperature in January: 43.7°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in January: 27.1°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in January
Rock, KS
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in January
Rock, KS
- Average wind speed in January: 10.7mph
The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in January
Rock, KS
- Average humidity in January: 67%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is October (65%).
Average rainfall in January
Rock, KS
- Average rainfall in January: 0.75"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is December (0.59").
Average rainfall days in January
Rock, KS
- Average rainfall days in January: 3.8 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in January
Rock, KS
- Average snowfall in January: 0.51"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in January
Rock, KS
- Average snowfall days in January: 2.5 days
The month with the highest number of snowfall days is February (3.3 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
Rock, KS
- Average daylight in January: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 6h
The month with the most sunshine is August (Average sunshine: 11h).
The month with the least sunshine is January (Average sunshine: 6h).
Average sunshine days in January
Rock, KS
- Average sunshine days in January: 24.2 days
The months with the most sunshine days are January and December (24.2 days).
The month with the least sunshine days is July (14.3 days).
Average UV index in January
Rock, KS
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Rock, KS
- Average cloud cover in January: 32
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in January
Rock, KS
- 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).
