December weather forecastBlackfork, OH
December
Weather in December
December, the first month of the winter in Blackfork, is also an icy month, with an average temperature fluctuating between 30.9°F (-0.6°C) and 42.1°F (5.6°C).Temperature
With December's arrival, Blackfork's weather changes as the average high-temperature falls from a fresh 51.8°F (11°C) in November to an icy 42.1°F (5.6°C). Blackfork reports an average low-temperature of 30.9°F (-0.6°C) during the nights of December.Humidity
The average relative humidity in December is 81%.Rainfall
In Blackfork, during December, the rain falls for 10 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Blackfork, during the entire year, the rain falls for 124.7 days and collects up to 13.74" (349mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Blackfork, Ohio. In Blackfork, in December, during 5.5 snowfall days, 0.75" (19mm) of snow is typically accumulated. Throughout the year, there are 26.7 snowfall days, and 4.37" (111mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:30 am and sunset at 5:08 pm. On the last day of December, sunrise is at 7:48 am and sunset at 5:18 pm EST.
Sunshine
In Blackfork, 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 value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Blackfork, OH
- Average high temperature in December: 42.1°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 30.9°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 (23.5°F).
Average pressure in December
Blackfork, OH
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Blackfork, OH
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in December
Blackfork, OH
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are August and September (75%).
Average rainfall in December
Blackfork, OH
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is May (1.57").
The driest months (with the least rainfall) are September and November (0.75").
Average rainfall days in December
Blackfork, OH
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in December
Blackfork, OH
- Average snowfall in December: 0.75"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Blackfork, OH
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Blackfork, OH
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Blackfork, OH
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in December
Blackfork, OH
- Average UV index in December: 2
The months with the highest UV index are May, 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
Blackfork, OH
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Blackfork, 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).





