December weather forecastKettering, OH
December
Weather in December
December marks the full onset of winter in Kettering with temperatures dropping down to 29.3°F (-1.5°C). Shorter days become the norm, with daylight spanning for only 9.4 hours, and the sun providing warmth for just 4 hours a day. Snowfall becomes a common sight, especially towards the year-end, with an average snowfall of 2.05" (52mm). Despite the cold weather, Kettering's December radiates warmth through holiday festivities and welcoming the New Year. The winter chill tightens its grip as everyone buckles in for the forthcoming holidays and the promise of a new year.Temperature
The commencement of December indicates a shift in the average high-temperature, receding from November's chilly 49.1°F (9.5°C) to a cold 39.6°F (4.2°C). Kettering observes an average nighttime low-temperature of 29.3°F (-1.5°C) during the month of December.Humidity
January, February and December, with an average relative humidity of 82%, are the most humid months.Rainfall
In Kettering, in December, it is raining for 10 days, with typically 1.89" (48mm) of accumulated precipitation. In Kettering, during the entire year, the rain falls for 154.5 days and collects up to 25.24" (641mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In December, in Kettering, it is snowing for 7.5 days. Throughout December, 2.05" (52mm) of snow is accumulated. In Kettering, Ohio, during the entire year, snow falls for 33.1 days and aggregates up to 10.2" (259mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:39 am and sunset at 5:12 pm. On the last day of December, sunrise is at 7:57 am and sunset at 5:22 pm EST.
Sunshine
The average sunshine in December is 4h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kettering, OH
- Average high temperature in December: 39.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in December: 29.3°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 (21.7°F).
Average pressure in December
Kettering, OH
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Kettering, OH
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Kettering, OH
- Average humidity in December: 82%
The months with the highest relative humidity are January, February and December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Kettering, OH
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is October (1.54").
Average rainfall days in December
Kettering, OH
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (8 days).
Average snowfall in December
Kettering, OH
- Average snowfall in December: 2.05"
The months with the highest snowfall are January and February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Kettering, OH
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Kettering, OH
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 0min
The months with the most sunshine are June and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Kettering, OH
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in December
Kettering, OH
- 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, October, November and December (UV index 2).
Average cloud cover in December
Kettering, OH
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Kettering, OH
- 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).
