December weather forecastSylvan Grove, KS
December
Weather in December
The first month of the winter, December, is also an icy month in Sylvan Grove, Kansas, with an average temperature ranging between max 41.9°F (5.5°C) and min 26.8°F (-2.9°C).Temperature
December's onset brings a slight change in high-temperatures, falling from a cool 54.3°F (12.4°C) in November to an icy 41.9°F (5.5°C). An average temperature of 26.8°F (-2.9°C) is recorded in Sylvan Grove, Kansas, during the nights in December.Humidity
The months with the highest humidity in Sylvan Grove are May and December, with an average relative humidity of 69%.Rainfall
In Sylvan Grove, in December, it is raining for 3.3 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, there are 91.6 rainfall days, and 12.13" (308mm) of precipitation is accumulated.Snowfall
Months with snowfall in Sylvan Grove are January through May, October through December. In December, it is snowing for 2.4 days. Throughout December, 0.87" (22mm) of snow is accumulated. Throughout the year, there are 15.8 snowfall days, and 4.76" (121mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Sylvan Grove.On the first day of December in Sylvan Grove, sunrise is at 7:34 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:21 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 6.1h of sunshine.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 estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sylvan Grove, KS
- Average high temperature in December: 41.9°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 (41.4°F).
- Average low temperature in December: 26.8°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Sylvan Grove, KS
- Average pressure in December: 30.14"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
Sylvan Grove, KS
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is April (12.5mph).
The calmest month (with the lowest average wind speed) is August (9.2mph).
Average humidity in December
Sylvan Grove, KS
- Average humidity in December: 69%
The months with the highest relative humidity are May and December (69%).
The month with the lowest relative humidity is July (59%).
Average rainfall in December
Sylvan Grove, KS
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in December
Sylvan Grove, KS
- Average rainfall days in December: 3.3 days
The month with the highest number of rainy days is July (12 days).
The month with the least rainy days is January (3 days).
Average snowfall in December
Sylvan Grove, KS
- Average snowfall in December: 0.87"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sylvan Grove, KS
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sylvan Grove, KS
- Average daylight in December: 9h and 30min
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 30min).
- 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 December (Average sunshine: 6h and 6min).
Average sunshine days in December
Sylvan Grove, KS
- Average sunshine days in December: 25.1 days
The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in December
Sylvan Grove, 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
Sylvan Grove, KS
- Average cloud cover in December: 32
The months with the most cloud cover are February and March (Cloud cover 36).
The month with the least cloud cover is June (Cloud cover 20).
Average visibility in December
Sylvan Grove, 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).
