December weather forecast
Onaga, KS

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Weather in December

The first month of the winter, December, is also an icy month in Onaga, Kansas, with an average temperature fluctuating between 26.1°F (-3.3°C) and 39.9°F (4.4°C).

Temperature

Onaga's weather changes with the onset of December, slightly falling from a cool 52.9°F (11.6°C) in November to an icy 39.9°F (4.4°C). In December, Onaga's temperature tends to fall to an average low of 26.1°F (-3.3°C) during the night.

Humidity

In Onaga, Kansas, the average relative humidity in December is 72%.

Rainfall

In December, the rain falls for 5.2 days. Throughout December, 0.87" (22mm) of precipitation is accumulated. Throughout the year, there are 123.7 rainfall days, and 24.37" (619mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Onaga, during December, snow falls for 3.5 days and regularly aggregates up to 0.79" (20mm) of snow. In Onaga, during the entire year, snow falls for 16.8 days and aggregates up to 7.09" (180mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:26 am and sunset at 5:01 pm. On the last day of December, in Onaga, sunrise is at 7:44 am and sunset at 5:11 pm CST.

Sunshine

In December, the average sunshine in Onaga is 5.7h.

UV index

The months with the lowest UV index in Onaga, Kansas, are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Onaga?

In December, the average high-temperature and low-temperature are 39.9°F (4.4°C) and 26.1°F (-3.3°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 95°F (35°C).

What is the average humidity in December?

In December, the average relative humidity in Onaga is 72%.

How many days does it rain in December?

In Onaga, in December, during 5.2 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, it is snowing for 3.5 days. Throughout December, 0.79" (20mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 26min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:26 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:11 pm CST.

How many hours of sunshine does Onaga have in December?

The average sunshine duration in December is 5.7h.

When is the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe 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
Onaga, KS

Average temperature in December - Onaga, KS
  • Average high temperature in December: 39.9°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in December: 26.1°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in December
Onaga, KS

Average pressure in December - Onaga, 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
Onaga, KS

Average wind speed in December - Onaga, KS
  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest months (with the lowest average wind speed) are July and August (7.9mph).

Average humidity in December
Onaga, KS

Average humidity in December - Onaga, KS
  • Average humidity in December: 72%

The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is October (65%).

Average rainfall in December
Onaga, KS

Average rainfall in December - Onaga, KS
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is May (4.06").
The driest months (with the least rainfall) are January and February (0.71").

Average rainfall days in December
Onaga, KS

Average rainfall days in December - Onaga, KS
  • Average rainfall days in December: 5.2 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (4 days).

Average snowfall in December
Onaga, KS

Average snowfall in December - Onaga, KS
  • Average snowfall in December: 0.79"

The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Onaga, KS

Average snowfall days in December - Onaga, KS
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is February (5 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
Onaga, KS

Average daylight in December / Average sunshine in December - Onaga, KS
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 5h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

Average sunshine days in December
Onaga, KS

Average sunshine days in December - Onaga, KS
  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is January (23 days).
The month with the least sunshine days is May (13 days).

Average UV index in December
Onaga, KS

Average UV index in December - Onaga, KS
  • Average UV index in December: 2

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

Average cloud cover in December
Onaga, KS

Average cloud cover in December - Onaga, KS
  • Average cloud cover in December: 37

The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are June, July and August (Cloud cover 24).

Average visibility in December
Onaga, KS

Average visibility in December - Onaga, 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).

Onaga, Kansas, USA

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