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 decrease of average high-temperatures is mild in December, with a decline from a cool 53.2°F (11.8°C) in November to a chilly 44.1°F (6.7°C). In December, Sycamore reports a consistent average low-temperature of 32°F (0°C) during the nights.Humidity
In December, the average relative humidity in Sycamore is 79%.Rainfall
In Sycamore, in December, it is raining for 12 days, with typically 2.56" (65mm) of accumulated precipitation. Throughout the year, there are 157.9 rainfall days, and 31.77" (807mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In December, in Sycamore, it is snowing for 5.1 days. Throughout December, 1.22" (31mm) of snow is accumulated. Throughout the year, in Sycamore, there are 26.3 snowfall days, and 6.97" (177mm) 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 7:40 am and sunset at 5:22 pm. On the last day of December, in Sycamore, sunrise is at 7:58 am and sunset at 5:32 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 4.3h of sunshine.UV index
The months with the lowest UV index in Sycamore are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 2 during December leads to these advisories:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
How cold is December in Sycamore?
What is the average humidity in December in Sycamore?
How much does it rain in Sycamore in December?
How many days does it snow in December in Sycamore?
What is the month with the shortest days in Sycamore?
What is the average length of the day in December in Sycamore?
When are sunrise and sunset in December in Sycamore?
What is the month with the least sunshine in Sycamore?
How long on average sun shines in December in Sycamore?
What is the month with the lowest UV index in Sycamore?
What is the UV index intensity in December in Sycamore?
Average temperature in December
Sycamore, KY
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in December: 32°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Sycamore, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Sycamore, KY
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in December
Sycamore, KY
- Average humidity in December: 79%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (73%).
Average rainfall in December
Sycamore, KY
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Sycamore, KY
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in December
Sycamore, KY
- Average snowfall in December: 1.22"
The month with the highest snowfall is March (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Sycamore, KY
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is January (7.8 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
Sycamore, KY
- 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: 4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in December
Sycamore, KY
- Average sunshine days in December: 15 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in December
Sycamore, KY
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Sycamore, KY
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Sycamore, KY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and May (5mi).
Sycamore, Kentucky, USA
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