December weather forecast
Rock, KS

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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.
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Frequently asked questions

What is the usual temperature for Rock in December?

The average high-temperature and low-temperature in Rock, Kansas, during December are 45.1°F (7.3°C) and 29.7°F (-1.3°C) respectively. In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is estimated at 86°F (30°C).

What is the average humidity in December in Rock?

The average relative humidity in December in Rock is 68%.

What is the driest month in Rock?

December is the month with the least rainfall. Rain falls for 4.5 days and accumulates 0.59" (15mm) of precipitation.

How much does it rain in Rock in December?

In December, in Rock, Kansas, the rain falls for 4.5 days. Throughout December, 0.59" (15mm) of precipitation is accumulated.

How much does it snow in Rock in December?

In Rock, Kansas, during December, snow falls for 2.1 days and regularly aggregates up to 0.59" (15mm) of snow.

What is the month with the shortest days in Rock?

December has the shortest days of the year in Rock, Kansas, with an average of 9h and 36min of daylight.

What is the average length of the day in December in Rock?

In Rock, Kansas, the average day length in December is 9h and 38min.

When is the sunrise / sunset in December in Rock?

In December, on the first day of the month, sunrise is at 7:24 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:20 pm CST.

How long on average sun shines in December in Rock?

The average sunshine duration in December is 6.1h.

When is the lowest UV index in Rock?

The months with the lowest UV index in Rock, Kansas, are January, February and December, with an average maximum UV index of 2.

How high is the UV index in December in Rock?

The average daily maximum UV index in December in Rock, Kansas, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Rock, KS

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).

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Average pressure in December
Rock, KS

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).

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Average wind speed in December
Rock, KS

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).

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Average humidity in December
Rock, KS

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%).

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Average rainfall in December
Rock, KS

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").

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Average rainfall days in December
Rock, KS

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).

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Average snowfall in December
Rock, KS

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").

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Average snowfall days in December
Rock, KS

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).

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Average daylight in December /
Average sunshine in December
Rock, KS

Average daylight in December / Average sunshine in December - Rock, KS
  • Average daylight in December: 9h and 4min

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 1min

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).

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Average sunshine days in December
Rock, KS

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).

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Average UV index in December
Rock, KS

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).

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Average cloud cover in December
Rock, KS

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).

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Average visibility in December
Rock, KS

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).

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Rock, Kansas, USA

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