December weather forecast
Vassar, KS

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Weather in December

The first month of the winter, December, is also a wintry month in Vassar, Kansas, with an average temperature fluctuating between 42.1°F (5.6°C) and 27.9°F (-2.3°C).

Temperature

December brings a decrease in the average high-temperature, falling from November's fresh 53.8°F (12.1°C) to a wintry 42.1°F (5.6°C). An average temperature of 27.9°F (-2.3°C) marks the nights in Vassar in December.

Humidity

The average relative humidity in December is 71%.

Rainfall

February, November and December are months with the least rain when the rain falls for 2.7 days and typically aggregates up to 0.2" (5mm) of rain.

Snowfall

January through March, October through December are months with snowfall in Vassar. In Vassar, during December, snow falls for 1.7 days and regularly aggregates up to 0.2" (5mm) of snow. Throughout the year, in Vassar, Kansas, there are 9.5 snowfall days, and 1.38" (35mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:22 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:11 pm CST.

Sunshine

The average sunshine in December is 5.7h.

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 reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. 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 is it in Vassar in December?

The high-temperature in Vassar, Kansas, during December is 42.1°F (5.6°C) and the low-temperature is 27.9°F (-2.3°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in August is appraised at 95°F (35°C).

What is the average humidity in December in Vassar?

In December, the average relative humidity in Vassar, Kansas, is 71%.

What is the driest month in Vassar?

The months with the least rainfall in Vassar, Kansas, are February, November and December Rain falls for 2.7 days and accumulates 0.2" (5mm) of rain.

How many days does it rain in December in Vassar?

In Vassar, in December, during 2.7 rainfall days, 0.2" (5mm) of precipitation is typically accumulated.

How many days does it snow in December in Vassar?

In Vassar, Kansas, in December, during 1.7 snowfall days, 0.2" (5mm) of snow is typically accumulated.

What is the month with the shortest days in Vassar?

December has the shortest days of the year in Vassar, Kansas, with an average of 9h and 30min of daylight.

How many hours of daylight does Vassar have in December?

In Vassar, the average day length in December is 9h and 31min.

What time are sunrise and sunset in December in Vassar?

In December, on the first day of the month, sunrise is at 7:22 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:11 pm CST.

How many hours of sunshine does Vassar have in December?

In Vassar, Kansas, the average sunshine duration in December is 5.7h.

When is the lowest UV index in Vassar?

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

What is the UV index intensity in December in Vassar?

In Vassar, Kansas, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat 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
Vassar, KS

Average temperature in December - Vassar, KS
  • Average high temperature in December: 42.1°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (39.2°F).

  • Average low temperature in December: 27.9°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).

Average pressure in December
Vassar, KS

Average pressure in December - Vassar, 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 (29.87"Hg).

Average wind speed in December
Vassar, KS

Average wind speed in December - Vassar, KS
  • Average wind speed in December: 10.3mph

The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).

Average humidity in December
Vassar, KS

Average humidity in December - Vassar, KS
  • Average humidity in December: 71%

The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are October and November (67%).

Average rainfall in December
Vassar, KS

Average rainfall in December - Vassar, KS
  • Average rainfall in December: 0.2"

The wettest month (with the highest rainfall) is May (1.42").
The driest months (with the least rainfall) are February, November and December (0.2").

Average rainfall days in December
Vassar, KS

Average rainfall days in December - Vassar, KS
  • Average rainfall days in December: 2.7 days

The month with the highest number of rainy days is July (9.7 days).
The month with the least rainy days is January (2.2 days).

Average snowfall in December
Vassar, KS

Average snowfall in December - Vassar, KS
  • Average snowfall in December: 0.2"

The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in December
Vassar, KS

Average snowfall days in December - Vassar, KS
  • Average snowfall days in December: 1.7 days

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Vassar, KS
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 4min

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

Average sunshine days in December
Vassar, KS

Average sunshine days in December - Vassar, KS
  • Average sunshine days in December: 27.8 days

The month with the most sunshine days is December (27.8 days).
The months with the least sunshine days are June and July (19.1 days).

Average UV index in December
Vassar, KS

Average UV index in December - Vassar, 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
Vassar, KS

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

The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are June, July and August (Cloud cover 24).

Average visibility in December
Vassar, KS

Average visibility in December - Vassar, 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).

Vassar, Kansas, USA

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