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
As Keene enters December, the average high-temperature decreases from the a chilly 49.1°F (9.5°C) of November to a wintry 39.2°F (4°C). Nighttime temperatures consistently average a subzero cold 28.2°F (-2.1°C) during December.Humidity
In December, the average relative humidity is 83%.Rainfall
In Keene, in December, it is raining for 9 days, with typically 1.38" (35mm) of accumulated precipitation. In Keene, during the entire year, the rain falls for 137.2 days and collects up to 17.6" (447mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 5.7 days. Throughout December, 1.06" (27mm) of snow is accumulated. In Keene, during the entire year, snow falls for 33.4 days and aggregates up to 7.56" (192mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:31 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:11 pm EST.
Sunshine
The average sunshine in December is 3.8h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 2 in December transforms into this advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. 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
How cold is it in December?
What is the average humidity in December?
How much does it rain in Keene 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 is the sunrise / sunset in December?
How many hours of sunshine does Keene have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Keene, OH
- Average high temperature in December: 39.2°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in December: 28.2°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in December
Keene, OH
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Keene, OH
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Keene, OH
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April and November (77%).
Average rainfall in December
Keene, OH
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in December
Keene, OH
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is May (16.4 days).
The months with the least rainy days are February and November (7.7 days).
Average snowfall in December
Keene, OH
- Average snowfall in December: 1.06"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Keene, OH
- Average snowfall days in December: 5.7 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Keene, OH
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Keene, OH
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (11 days).
Average UV index in December
Keene, OH
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Keene, OH
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Keene, OH
- 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).
Keene, Ohio, USA
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