Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The shift from November to December corresponds with a decrease in the average high-temperature, down to a frosty 43°F (6.1°C) from a cool 55°F (12.8°C). In Sylvia, December's nights observe an average temperature dip to a freezing cold 27.3°F (-2.6°C).Humidity
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. Throughout the year, in Sylvia, there are 112.9 rainfall days, and 21.06" (535mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Sylvia. In Sylvia, during December, snow falls for 3.5 days and regularly aggregates up to 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 in Sylvia, Kansas, with an average of 9h and 36min of daylight.On the first day of December in Sylvia, sunrise is at 7:31 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:24 pm CST.
Sunshine
In December, the average sunshine is 6.3h.UV index
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. To guard against the harmful effects of the Sun, minimize exposure during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
How cold is December in Sylvia?
What is the average humidity in December in Sylvia?
How many days does it rain in December in Sylvia?
How much does it snow in Sylvia in December?
What is the month with the shortest days in Sylvia?
How many hours of daylight does Sylvia have in December?
When is the sunrise / sunset in December in Sylvia?
How long on average sun shines in December in Sylvia?
When is the lowest UV index in Sylvia?
What is the UV index reading in December in Sylvia?
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 4min
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 2min
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).
Sylvia, Kansas, USA
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