December weather forecast
Alton, KS

Share

Weather in December

Winter officially arrives in Alton, Kansas as December sets in. Colder than its predecessor month, temperatures drop to a low of 25.5°F (-3.6°C). Alton sees an increase in precipitation marked by both rainfall and snowfall, with 1.14" (29mm) and 1.5" (38mm) respectively. Despite the chilly weather, the festive season inundates the city with a warm, cheerful glow. The magical blend of snow-kissed landscapes and holiday excitement paints a beautiful winter portrait of Alton.

Temperature

In December, the meteorological conditions in Alton alter, with the average high-temperature shifting from a fresh 54°F (12.2°C) in November to an icy 40.6°F (4.8°C). In December, Alton's temperature tends to fall to an average low of 25.5°F (-3.6°C) during the night.

Humidity

The months with the highest humidity are January and December, with an average relative humidity of 69%.

Rainfall

In Alton, during December, the rain falls for 4.3 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Alton, during the entire year, the rain falls for 110.3 days and collects up to 19.76" (502mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, in Alton, it is snowing for 4.7 days. Throughout December, 1.5" (38mm) of snow is accumulated. Throughout the year, in Alton, there are 22.6 snowfall days, and 8.5" (216mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of December in Alton, Kansas, sunrise is at 7:37 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:22 pm CST.

Sunshine

December has the least sunshine of the year in Alton, with an average of 6h 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 value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during December leads to these instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in Alton in December?

Alton in December has an average high-temperature of 40.6°F (4.8°C) and an average low-temperature of 25.5°F (-3.6°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in September is computed to be 84.2°F (29°C).

What is the most humid month in Alton?

January and December, with an average relative humidity of 69%, are most humid months in Alton, Kansas.

What is the average humidity in December in Alton?

In Alton, the average relative humidity in December is 69%.

How much does it rain in Alton in December?

In Alton, Kansas, in December, during 4.3 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

How much does it snow in Alton in December?

In Alton, in December, snow falls for 4.7 days, with typically accumulated 1.5" (38mm) of snow.

What is the month with the shortest days in Alton?

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

How many hours of daylight does Alton have in December?

The average day length in December in Alton, Kansas, is 9h and 26min.

When are sunrise and sunset in December in Alton?

On the first day of December, sunrise is at 7:37 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:22 pm CST.

What is the month with the least sunshine in Alton?

With an average of 6h of sunshine, December has the least sunshine of the year in Alton.

How many hours of sunshine does Alton have in December?

In December, the average sunshine duration in Alton, Kansas, is 6h.

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

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

How high is the UV index in December in Alton?

The average daily maximum UV index in December in Alton, Kansas, is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
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
Alton, KS

Average temperature in December - Alton, KS
  • Average high temperature in December: 40.6°F

The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in December: 25.5°F

The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure in December
Alton, KS

Average pressure in December - Alton, KS
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in December
Alton, KS

Average wind speed in December - Alton, KS
  • Average wind speed in December: 10mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).

Average humidity in December
Alton, KS

Average humidity in December - Alton, KS
  • Average humidity in December: 69%

The months with the highest relative humidity are January and December (69%).
The month with the lowest relative humidity is July (57%).

Average rainfall in December
Alton, KS

Average rainfall in December - Alton, KS
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in December
Alton, KS

Average rainfall days in December - Alton, KS
  • Average rainfall days in December: 4.3 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (3.8 days).

Average snowfall in December
Alton, KS

Average snowfall in December - Alton, KS
  • Average snowfall in December: 1.5"

The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Alton, KS

Average snowfall days in December - Alton, KS
  • Average snowfall days in December: 4.7 days

The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Alton, 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 0min

The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

Average sunshine days in December
Alton, KS

Average sunshine days in December - Alton, KS
  • Average sunshine days in December: 22.2 days

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is May (13.5 days).

Average UV index in December
Alton, KS

Average UV index in December - Alton, 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
Alton, KS

Average cloud cover in December - Alton, KS
  • Average cloud cover in December: 33

The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is June (Cloud cover 21).

Average visibility in December
Alton, KS

Average visibility in December - Alton, 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).

Alton, Kansas, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location