December weather forecastVassar, KS
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 9h and 30min
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 42min
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: 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: 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: 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: 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).





