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
December's arrival subtly correlates with a reduction in the average high-temperature, down from a fresh 52.9°F (11.6°C) in November to a chilly 44.6°F (7°C). Throughout the month of December, Grassy Creek sees a steady low-temperature average of 32.7°F (0.4°C).Humidity
In December, the average relative humidity in Grassy Creek is 80%.Rainfall
In December, in Grassy Creek, the rain falls for 12 days. Throughout December, 2.76" (70mm) of precipitation is accumulated. In Grassy Creek, during the entire year, the rain falls for 162.2 days and collects up to 29.45" (748mm) of precipitation.Snowfall
Months with snowfall in Grassy Creek are January through April, October through December. In Grassy Creek, in December, during 7.3 snowfall days, 2.32" (59mm) of snow is typically accumulated. In Grassy Creek, during the entire year, snow falls for 36.4 days and aggregates up to 12.48" (317mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Grassy Creek.On the first day of the month, sunrise is at 7:30 am and sunset at 5:14 pm. On the last day of December, in Grassy Creek, sunrise is at 7:48 am and sunset at 5:24 pm EST.
Sunshine
The average sunshine in December is 4.1h.UV index
The months with the lowest UV index are January, February 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 translates into the following guidance:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
How cold is December in Grassy Creek?
What is the average humidity in December in Grassy Creek?
How much does it rain in Grassy Creek in December?
How much does it snow in Grassy Creek in December?
What is the month with the shortest days in Grassy Creek?
How many hours of daylight does Grassy Creek have in December?
What time are sunrise and sunset in December in Grassy Creek?
How long on average sun shines in December in Grassy Creek?
What is the month with the lowest UV index in Grassy Creek?
What is the UV index reading in December in Grassy Creek?
Average temperature in December
Grassy Creek, KY
- Average high temperature in December: 44.6°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Grassy Creek, KY
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Grassy Creek, KY
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Grassy Creek, KY
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are June, August and November (75%).
Average rainfall in December
Grassy Creek, KY
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is February (2.99").
The driest months (with the least rainfall) are September and November (1.89").
Average rainfall days in December
Grassy Creek, KY
- Average rainfall days in December: 12 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in December
Grassy Creek, KY
- Average snowfall in December: 2.32"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Grassy Creek, KY
- Average snowfall days in December: 7.3 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grassy Creek, KY
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Grassy Creek, KY
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in December
Grassy Creek, KY
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Grassy Creek, KY
- Average cloud cover in December: 58
The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Grassy Creek, KY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).
Grassy Creek, Kentucky, USA
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