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 arrival of December signals a shift in temperature, down from a cool 51.6°F (10.9°C) in November to a cold 41.7°F (5.4°C). In December, the nighttime temperature lowers to an average of 30.6°F (-0.8°C).Humidity
In December, the average relative humidity is 82%.Rainfall
In Mount Blanco, during December, the rain falls for 7.8 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, there are 103.2 rainfall days, and 8.23" (209mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Mount Blanco, during December, snow falls for 5.1 days and regularly aggregates up to 0.39" (10mm) of snow. In Mount Blanco, during the entire year, snow falls for 27.2 days and aggregates up to 2.52" (64mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:30 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:16 pm EST.
Sunshine
In December, the average sunshine is 4.1h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Mount Blanco. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, a daily UV index of 1 turns into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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 December?
How many days does it snow in December in Mount Blanco?
What is the month with the shortest days?
How many hours of daylight does Mount Blanco have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Mount Blanco, OH
- Average high temperature in December: 41.7°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in December: 30.6°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in December
Mount Blanco, OH
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Mount Blanco, OH
- Average wind speed in December: 6.8mph
The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Mount Blanco, OH
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Mount Blanco, OH
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is May (1.02").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in December
Mount Blanco, OH
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is November (5.6 days).
Average snowfall in December
Mount Blanco, OH
- Average snowfall in December: 0.39"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mount Blanco, OH
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mount Blanco, OH
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Mount Blanco, OH
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is May (15.5 days).
Average UV index in December
Mount Blanco, OH
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Mount Blanco, OH
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Mount Blanco, 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).
Mount Blanco, Ohio, USA
Weather forecast for your location
2. Allow the app to use your location