December weather forecastRuella, KS

December

Weather in December

The first month of the winter, December, is also a frosty month in Ruella, Kansas, with temperature in the range of an average low of 29.3°F (-1.5°C) and an average high of 46°F (7.8°C).

Temperature

Stepping into December, Ruella observes a temperature decline, with the average high falling from November's moderate 57°F (13.9°C) to a chilly 46°F (7.8°C). During December, Ruella consistently records a temperature low averaging a subzero cold 29.3°F (-1.5°C).

Humidity

In December, the average relative humidity is 67%.

Rainfall

In December, the rain falls for 3 days. Throughout December, 0.35" (9mm) of precipitation is accumulated. Throughout the year, there are 90.6 rainfall days, and 11.54" (293mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Ruella, during December, snow falls for 1.5 days and regularly aggregates up to 0.31" (8mm) of snow. In Ruella, during the entire year, snow falls for 9.6 days and aggregates up to 2.09" (53mm) of snow.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:28 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:26 pm CST.

Sunshine

The months with the least sunshine are January and December, with an average of 6.3h of sunshine.

UV index

January, November 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 minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Ruella, in December, the average high-temperature is 46°F (7.8°C), and the average low-temperature is 29.3°F (-1.5°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is estimated at 87.8°F (31°C).

The average relative humidity in December is 67%.

In Ruella, in December, it is raining for 3 days, with typically 0.35" (9mm) of accumulated precipitation.

In Ruella, in December, during 1.5 snowfall days, 0.31" (8mm) of snow is typically accumulated.

December has the shortest days of the year, with an average of 9h and 42min of daylight.

The average day length in December is 9h and 40min.

In December, on the first day of the month, sunrise is at 7:28 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:26 pm CST.

January and December, with an average of 6.3h of sunshine, are months with the least sunshine.

In December, the average sunshine duration is 6.3h.

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

In Ruella, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Ruella, KS

  • Average high temperature in December: 46°F

The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in December: 29.3°F

The month with the highest average low temperature is July (74.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

Average pressure in December
Ruella, 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 (29.85"Hg).

Average wind speed in December
Ruella, KS

  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

Average humidity in December
Ruella, KS

  • Average humidity in December: 67%

The month with the highest relative humidity is May (70%).
The month with the lowest relative humidity is July (56%).

Average rainfall in December
Ruella, KS

  • Average rainfall in December: 0.35"

The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is November (0.2").

Average rainfall days in December
Ruella, KS

  • Average rainfall days in December: 3 days

The month with the highest number of rainy days is May (12 days).
The month with the least rainy days is December (3 days).

Average snowfall in December
Ruella, KS

  • Average snowfall in December: 0.31"

The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Ruella, KS

  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is February (3.2 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
Ruella, KS

  • Average daylight in December: 9h and 42min

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 42min).

  • Average sunshine in December: 6h and 18min

The months with the most sunshine are June and July (Average sunshine: 11h and 12min).
The months with the least sunshine are January and December (Average sunshine: 6h and 18min).

Average sunshine days in December
Ruella, KS

  • Average sunshine days in December: 26.1 days

The month with the most sunshine days is December (26.1 days).
The month with the least sunshine days is August (16.7 days).

Average UV index in December
Ruella, KS

  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).

Average cloud cover in December
Ruella, KS

  • Average cloud cover in December: 28

The months with the most cloud cover are March and April (Cloud cover 35).
The months with the least cloud cover are June and August (Cloud cover 19).

Average visibility in December
Ruella, 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).