December weather forecastBelfast, OH
December
Weather in December
The first month of the winter, December, is also an icy month in Belfast, Ohio, with temperature in the range of an average low of 30°F (-1.1°C) and an average high of 40.8°F (4.9°C).Temperature
With December's onset, the average high-temperature recedes from November's cool 50.9°F (10.5°C) to an icy 40.8°F (4.9°C). The low-temperature average for Belfast during December stands at a subzero cold 30°F (-1.1°C).Humidity
January, February and December, with an average relative humidity of 82%, are the most humid months.Rainfall
In Belfast, in December, during 12.1 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. Throughout the year, there are 174 rainfall days, and 34.72" (882mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Belfast, Ohio, in December, during 9.3 snowfall days, 2.99" (76mm) of snow is typically accumulated. In Belfast, during the entire year, snow falls for 40.1 days and aggregates up to 15.04" (382mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December in Belfast, sunrise is at 7:34 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:21 pm EST.
Sunshine
The average sunshine in December is 4.1h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 1 in December leads to these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The solar radiation around mid-day is intense; avoid the Sun and stay safe. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Belfast, OH
- Average high temperature in December: 40.8°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 (35.2°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in December
Belfast, 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 (29.95"Hg).
Average wind speed in December
Belfast, OH
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Belfast, OH
- Average humidity in December: 82%
The months with the highest relative humidity are January, February and December (82%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Belfast, OH
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Belfast, OH
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in December
Belfast, OH
- Average snowfall in December: 2.99"
The month with the highest snowfall is February (4.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Belfast, OH
- Average snowfall days in December: 9.3 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Belfast, OH
- Average daylight in December: 9h and 30min
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 6min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Belfast, OH
- Average sunshine days in December: 12.2 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (8.9 days).
Average UV index in December
Belfast, OH
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Belfast, OH
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Belfast, OH
- Average visibility in December: 6mi
The months with the highest visibility are March, April, June, August, October, November and December (6mi).
The months with the lowest visibility are January, February, May, July and September (5mi).
