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
With the commencement of December, Keene records a moderate temperature decline, with the average high easing from November's cool 53.1°F (11.7°C) to a frosty 44.2°F (6.8°C). The low-temperature averages to an icy 32.2°F (0.1°C) during the nights of December.Humidity
In Keene, the average relative humidity in December is 80%.Rainfall
In Keene, during December, the rain falls for 11.8 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Keene, during the entire year, the rain falls for 163.2 days and collects up to 31.3" (795mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Keene, in December, snow falls for 6.3 days, with typically accumulated 1.18" (30mm) of snow. In Keene, during the entire year, snow falls for 30.9 days and aggregates up to 8.78" (223mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:36 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 5:29 pm EST.
Sunshine
In Keene, the average sunshine in December is 4.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Keene. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 during December translates into the following guidance:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Keene have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Keene, KY
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (39.2°F).
- Average low temperature in December: 32.2°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Keene, KY
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Keene, KY
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Keene, KY
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Keene, KY
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is May (3.23").
The driest months (with the least rainfall) are September and October (2.05").
Average rainfall days in December
Keene, KY
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in December
Keene, KY
- Average snowfall in December: 1.18"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Keene, KY
- Average snowfall days in December: 6.3 days
The month with the highest number of snowfall days is January (8.4 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
Keene, 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 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Keene, KY
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in December
Keene, 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, November and December (UV index 2).
Average cloud cover in December
Keene, KY
- Average cloud cover in December: 56
The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Keene, KY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).
Keene, Kentucky, USA
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