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 chilly 48.6°F (9.2°C) in November to an icy 38.1°F (3.4°C). Mechanicsburg records an average low-temperature of 28.6°F (-1.9°C) throughout the month of December.Humidity
In Mechanicsburg, the average relative humidity in December is 83%.Rainfall
In Mechanicsburg, in December, it is raining for 8.1 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, in Mechanicsburg, there are 148.3 rainfall days, and 21.57" (548mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Mechanicsburg. In December, it is snowing for 6 days. Throughout December, 1.18" (30mm) of snow is accumulated. Throughout the year, there are 28 snowfall days, and 6.46" (164mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:37 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 5:18 pm EST.
Sunshine
In December, the average sunshine is 3.9h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In December, a daily UV index of 1 turns into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
Is it cold in Mechanicsburg during December?
What is the average humidity in December in Mechanicsburg?
How many days does it rain in December in Mechanicsburg?
How many days does it snow in December in Mechanicsburg?
What is the month with the shortest days in Mechanicsburg?
How many hours of daylight does Mechanicsburg have in December?
When is the sunrise / sunset in December in Mechanicsburg?
How long on average sun shines in December in Mechanicsburg?
What is the month with the lowest UV index in Mechanicsburg?
What is the UV index intensity in December in Mechanicsburg?
Average temperature in December
Mechanicsburg, OH
- Average high temperature in December: 38.1°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Mechanicsburg, OH
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Mechanicsburg, OH
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Mechanicsburg, OH
- Average humidity in December: 83%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Mechanicsburg, OH
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is November (1.22").
Average rainfall days in December
Mechanicsburg, OH
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in December
Mechanicsburg, OH
- Average snowfall in December: 1.18"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Mechanicsburg, OH
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is February (7.9 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
Mechanicsburg, 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 months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Mechanicsburg, OH
- Average sunshine days in December: 17 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in December
Mechanicsburg, OH
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Mechanicsburg, OH
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Mechanicsburg, OH
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (6mi).
The month with the lowest visibility is September (5mi).
Mechanicsburg, Ohio, USA
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