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 start of December signals a decrease in the average high-temperature, transitioning from a chilly 49.1°F (9.5°C) in November to a cold 39.2°F (4°C). The nights of December anticipate an average low-temperature of 29.1°F (-1.6°C).Humidity
The average relative humidity in December is 82%.Rainfall
In Octa, during December, the rain falls for 12.1 days and regularly aggregates up to 2.76" (70mm) of precipitation. Throughout the year, there are 169.3 rainfall days, and 32.99" (838mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Octa, during December, snow falls for 10 days and regularly aggregates up to 2.8" (71mm) of snow. In Octa, during the entire year, snow falls for 43.7 days and aggregates up to 14.45" (367mm) 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 7:36 am and sunset at 5:10 pm. On the last day of December, sunrise is at 7:54 am and sunset at 5:20 pm EST.
Sunshine
The average sunshine in December is 4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off 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 many days 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 is the sunrise / 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
Octa, OH
- Average high temperature in December: 39.2°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in December
Octa, OH
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Octa, OH
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Octa, OH
- Average humidity in December: 82%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Octa, OH
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Octa, OH
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in December
Octa, OH
- Average snowfall in December: 2.8"
The month with the highest snowfall is February (3.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Octa, OH
- Average snowfall days in December: 10 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Octa, OH
- Average daylight in December: 9h and 2min
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 month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Octa, OH
- Average sunshine days in December: 11.3 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in December
Octa, 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, November and December (UV index 2).
Average cloud cover in December
Octa, 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
Octa, OH
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Octa, Ohio, USA
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