December weather forecastCassella, OH
December
Weather in December
December, the first month of the winter in Cassella, is also an icy month, with an average temperature varying between 27.3°F (-2.6°C) and 37.6°F (3.1°C).Temperature
Cassella's weather in December involves a decrease in the average high-temperature, moving down from November's frosty 48.4°F (9.1°C) to an icy 37.6°F (3.1°C). Throughout December, an average nighttime temperature of 27.3°F (-2.6°C) is experienced.Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 83%.Rainfall
In Cassella, during December, the rain falls for 8.2 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Cassella, during the entire year, the rain falls for 137.8 days and collects up to 19.13" (486mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Cassella, in December, snow falls for 8.2 days, with typically accumulated 1.57" (40mm) of snow. Throughout the year, there are 37.6 snowfall days, and 8.15" (207mm) 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 7:42 am and sunset at 5:12 pm. On the last day of December, sunrise is at 8:01 am and sunset at 5:21 pm EST.
Sunshine
In December, the average sunshine is 3.8h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cassella, OH
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in December
Cassella, OH
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Cassella, OH
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Cassella, OH
- Average humidity in December: 83%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Cassella, OH
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in December
Cassella, OH
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in December
Cassella, OH
- Average snowfall in December: 1.57"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Cassella, OH
- Average snowfall days in December: 8.2 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cassella, OH
- Average daylight in December: 9h and 18min
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 48min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Cassella, OH
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in December
Cassella, OH
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Cassella, 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 32).
Average visibility in December
Cassella, OH
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
