December weather forecastSylvia, KS
December
Weather in December
The first month of the winter, December, is also a frosty month in Sylvia, Kansas, with temperature in the range of an average low of 27.3°F (-2.6°C) and an average high of 43°F (6.1°C).Temperature
Stepping into December, Sylvia observes a temperature decline, with the average high falling from November's cool 55°F (12.8°C) to a chilly 43°F (6.1°C). In December, Sylvia experiences a temperature dip to an average of 27.3°F (-2.6°C) at night.Humidity
In Sylvia, the average relative humidity in December is 68%.Rainfall
In Sylvia, during December, the rain falls for 4.1 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Sylvia, during the entire year, the rain falls for 112.9 days and collects up to 21.06" (535mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Sylvia, in December, snow falls for 3.5 days, with typically accumulated 0.94" (24mm) of snow. Throughout the year, there are 15.7 snowfall days, and 7.24" (184mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:31 am and sunset at 5:14 pm. On the last day of December, in Sylvia, sunrise is at 7:49 am and sunset at 5:24 pm CST.
Sunshine
The average sunshine in December is 6.3h.UV index
The months with the lowest UV index in Sylvia are January, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sylvia, KS
- Average high temperature in December: 43°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in December
Sylvia, 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 (29.85"Hg).
Average wind speed in December
Sylvia, KS
- Average wind speed in December: 11mph
The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).
Average humidity in December
Sylvia, KS
- Average humidity in December: 68%
The month with the highest relative humidity is May (69%).
The month with the lowest relative humidity is July (59%).
Average rainfall in December
Sylvia, KS
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is May (3.82").
The driest months (with the least rainfall) are January and February (0.67").
Average rainfall days in December
Sylvia, KS
- Average rainfall days in December: 4.1 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (2.7 days).
Average snowfall in December
Sylvia, KS
- Average snowfall in December: 0.94"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Sylvia, KS
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sylvia, KS
- Average daylight in December: 9h and 36min
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 36min).
- Average sunshine in December: 6h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in December
Sylvia, KS
- Average sunshine days in December: 23.9 days
The month with the most sunshine days is December (23.9 days).
The month with the least sunshine days is July (13.2 days).
Average UV index in December
Sylvia, 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, November and December (UV index 2).
Average cloud cover in December
Sylvia, KS
- Average cloud cover in December: 30
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is June (Cloud cover 20).
Average visibility in December
Sylvia, 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).
