December weather forecast
Colby, KS

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Weather in December

December symbolizes the commencement of winter in Colby, Kansas, as the month sports remarkably low temperatures and frequent snowfall. The temperature dips to an average 25°F (-3.9°C), marking December as the coldest month of the year. Alongside lower temperatures, snowfall, with an average of 0.98in, becomes a common sight. Despite the lowered UV index, the city experience an increase in cloud coverage during this time. As the city prepares to bid adieu to the year, December serves to encapsulate the year’s varied weather patterns.

Temperature

Colby records the coldest temperatures in December, averaging a high of 41.4°F (5.2°C) and a low of 25°F (-3.9°C).

Humidity

January and December, with an average relative humidity of 64%, are the most humid months in Colby.

Rainfall

In December, in Colby, the rain falls for 2.4 days. Throughout December, 0.51" (13mm) of precipitation is accumulated. In Colby, during the entire year, the rain falls for 93.4 days and collects up to 13.39" (340mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 3.8 days. Throughout December, 0.98" (25mm) of snow is accumulated. Throughout the year, in Colby, there are 22.3 snowfall days, and 7.36" (187mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:45 am and sunset at 5:21 pm. On the last day of December, in Colby, Kansas, sunrise is at 8:04 am and sunset at 5:30 pm CST.

Sunshine

December has the least sunshine of the year in Colby, Kansas, with an average of 6.4h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

What is the coldest time of year in Colby?

December is the month that records the lowest temperatures, with averages ranging from a high of 41.4°F (5.2°C) to a low of 25°F (-3.9°C).

Is December cold in Colby?

In Colby, in December, the average high-temperature is 41.4°F (5.2°C), and the average low-temperature is 25°F (-3.9°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 82.4°F (28°C).

What is the most humid month in Colby?

January and December, with an average relative humidity of 64%, are most humid months in Colby, Kansas.

What is the average humidity in December in Colby?

In Colby, Kansas, the average relative humidity in December is 64%.

How much does it rain in Colby in December?

In December, in Colby, Kansas, the rain falls for 2.4 days. Throughout December, 0.51" (13mm) of precipitation is accumulated.

How much does it snow in Colby in December?

In December, in Colby, it is snowing for 3.8 days. Throughout December, 0.98" (25mm) of snow is accumulated.

What is the month with the shortest days in Colby?

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

How many hours of daylight does Colby have in December?

In December, the average day length is 9h and 27min.

What time are sunrise and sunset in December in Colby?

On the first day of December, sunrise is at 7:45 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:30 pm CST.

What is the month with the least sunshine in Colby?

December has the least sunshine of the year, with an average of 6.4h of sunshine.

How long on average sun shines in December in Colby?

In Colby, the average sunshine duration in December is 6.4h.

What is the month with the lowest UV index in Colby?

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

What is the UV index reading in December in Colby?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents 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
Colby, KS

Average temperature in December - Colby, KS
  • Average high temperature in December: 41.4°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is December (41.4°F).

  • Average low temperature in December: 25°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is December (25°F).

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Average pressure in December
Colby, KS

Average pressure in December - Colby, KS
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).

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Average wind speed in December
Colby, KS

Average wind speed in December - Colby, KS
  • Average wind speed in December: 11.1mph

The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (10.2mph).

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Average humidity in December
Colby, KS

Average humidity in December - Colby, KS
  • Average humidity in December: 64%

The months with the highest relative humidity are January and December (64%).
The month with the lowest relative humidity is July (51%).

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Average rainfall in December
Colby, KS

Average rainfall in December - Colby, KS
  • Average rainfall in December: 0.51"

The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is January (0.24").

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Average rainfall days in December
Colby, KS

Average rainfall days in December - Colby, KS
  • Average rainfall days in December: 2.4 days

The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is December (2.4 days).

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Average snowfall in December
Colby, KS

Average snowfall in December - Colby, KS
  • Average snowfall in December: 0.98"

The month with the highest snowfall is March (1.77").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Colby, KS

Average snowfall days in December - Colby, KS
  • Average snowfall days in December: 3.8 days

The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Colby, 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: 6h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

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Average sunshine days in December
Colby, KS

Average sunshine days in December - Colby, KS
  • Average sunshine days in December: 25 days

The month with the most sunshine days is December (25 days).
The month with the least sunshine days is July (14.5 days).

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Average UV index in December
Colby, KS

Average UV index in December - Colby, 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, November and December (UV index 2).

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Average cloud cover in December
Colby, KS

Average cloud cover in December - Colby, KS
  • Average cloud cover in December: 29

The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is June (Cloud cover 19).

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Average visibility in December
Colby, KS

Average visibility in December - Colby, 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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Colby, Kansas, USA

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