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 onset of December introduces a moderate change in Mechanicstown's weather, with average high-temperatures falling from November's chilly 48.4°F (9.1°C) to a cold 38.3°F (3.5°C). Throughout the month of December, Mechanicstown witnesses an average temperature of 27.5°F (-2.5°C).Humidity
The average relative humidity in December is 84%.Rainfall
In Mechanicstown, in December, it is raining for 12 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, in Mechanicstown, Ohio, there are 179.8 rainfall days, and 32.91" (836mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Mechanicstown, in December, snow falls for 13 days, with typically accumulated 4.29" (109mm) of snow. Throughout the year, there are 63.4 snowfall days, and 23.35" (593mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:28 am and sunset at 4:57 pm. On the last day of December, sunrise is at 7:47 am and sunset at 5:06 pm EST.
Sunshine
In Mechanicstown, the average sunshine in December is 3.4h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in Mechanicstown 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?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Mechanicstown, OH
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in December
Mechanicstown, OH
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Mechanicstown, 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 (4.9mph).
Average humidity in December
Mechanicstown, OH
- Average humidity in December: 84%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Mechanicstown, OH
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in December
Mechanicstown, OH
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in December
Mechanicstown, OH
- Average snowfall in December: 4.29"
The month with the highest snowfall is February (5.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mechanicstown, OH
- Average snowfall days in December: 13 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mechanicstown, 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 18min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Mechanicstown, OH
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is November (13.7 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in December
Mechanicstown, 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
Mechanicstown, OH
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Mechanicstown, OH
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Mechanicstown, Ohio, USA
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