December weather forecastRock, KS
December
Weather in December
The first month of the winter, December, is still a chilly month in Rock, Kansas, with an average temperature fluctuating between 45.1°F (7.3°C) and 29.7°F (-1.3°C).Temperature
As December commences, the average high-temperature shows a reduction, transitioning from a refreshing 56.3°F (13.5°C) in November to a chilly 45.1°F (7.3°C). During the month of December, the temperature in Rock generally drops to a low average of 29.7°F (-1.3°C).Humidity
In December, the average relative humidity is 68%.Rainfall
The month with the least rainfall in Rock, Kansas, is December, when the rain falls for 4.5 days and typically collects 0.59" (15mm) of precipitation.Snowfall
Months with snowfall in Rock are January through March, October through December. In Rock, in December, snow falls for 2.1 days, with typically accumulated 0.59" (15mm) of snow. Throughout the year, there are 10.8 snowfall days, and 4.25" (108mm) of snow is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Rock.On the first day of the month, sunrise is at 7:24 am and sunset at 5:10 pm. On the last day of December, sunrise is at 7:42 am and sunset at 5:20 pm CST.
Sunshine
In Rock, the average sunshine in December is 6.1h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. To protect against the Sun's most potent rays, avoid direct exposure around midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rock, KS
- Average high temperature in December: 45.1°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 December: 29.7°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 December
Rock, KS
- Average pressure in December: 30.13"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 December
Rock, KS
- Average wind speed in December: 10.4mph
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 December
Rock, KS
- Average humidity in December: 68%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is October (65%).
Average rainfall in December
Rock, KS
- Average rainfall in December: 0.59"
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 December
Rock, KS
- Average rainfall days in December: 4.5 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 December
Rock, KS
- Average snowfall in December: 0.59"
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 December
Rock, KS
- Average snowfall days in December: 2.1 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 December /
Average sunshine in December
Rock, KS
- Average daylight in December: 9h and 36min
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 December: 6h and 6min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in December
Rock, KS
- Average sunshine days in December: 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 December
Rock, KS
- Average UV index in December: 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 December
Rock, KS
- Average cloud cover in December: 31
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 December
Rock, KS
- Average visibility in December: 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).





