December weather forecastAndover, KS

December

Weather in December

December brings more than just holiday cheer to Andover, Kansas. It’s the onset of cold temperatures, dropping down to an average of 28.9°F (-1.7°C). As the daylight hours shorten, the city moves briskly into winter mode. Residents escape the cold by warming up indoors, focusing on holiday festivities to dispel the freezing weather.

Temperature

The onset of December introduces a moderate change in Andover's weather, with average high-temperatures falling from November's refreshing 55.6°F (13.1°C) to a chilly 44.1°F (6.7°C). In Andover, the average nighttime temperature during December is a freezing cold 28.9°F (-1.7°C).

Humidity

The average relative humidity in December is 68%.

Rainfall

The month with the least rainfall is December, when the rain falls for 3.7 days and typically collects 0.67" (17mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 2.5 days. Throughout December, 0.75" (19mm) of snow is accumulated. In Andover, during the entire year, snow falls for 13.8 days and aggregates up to 6.61" (168mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 7:25 am and sunset at 5:10 pm. On the last day of December, sunrise is at 7:43 am and sunset at 5:20 pm CST.

Sunshine

The average sunshine in December is 6.1h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

Frequently asked questions

An average high-temperature, in December, in Andover, is 44.1°F (6.7°C) and the average low-temperature is 28.9°F (-1.7°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 86°F (30°C).

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

December is the month with the least rainfall in Andover. Rain falls for 3.7 days and accumulates 0.67" (17mm) of precipitation.

In Andover, during December, the rain falls for 3.7 days and regularly aggregates up to 0.67" (17mm) of precipitation.

In Andover, in December, snow falls for 2.5 days, with typically accumulated 0.75" (19mm) of snow.

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

In Andover, the average day length in December is 9h and 37min.

On the first day of December, sunrise is at 7:25 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:20 pm CST.

The average sunshine duration in December is 6.1h.

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

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Andover, KS

  • Average high temperature in December: 44.1°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (42.4°F).

  • Average low temperature in December: 28.9°F

The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

Average pressure in December
Andover, 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
Andover, KS

  • Average wind speed in December: 10.6mph

The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).

Average humidity in December
Andover, KS

  • Average humidity in December: 68%

The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is July (62%).

Average rainfall in December
Andover, KS

  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is December (0.67").

Average rainfall days in December
Andover, KS

  • Average rainfall days in December: 3.7 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (3.6 days).

Average snowfall in December
Andover, KS

  • Average snowfall in December: 0.75"

The month with the highest snowfall is February (2.24").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Andover, KS

  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Andover, 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 June (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).

Average sunshine days in December
Andover, KS

  • Average sunshine days in December: 23.7 days

The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is July (14 days).

Average UV index in December
Andover, 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).

Average cloud cover in December
Andover, KS

  • Average cloud cover in December: 32

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in December
Andover, 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).