December weather forecast
Blackfork, OH

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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.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

In December, the average high-temperature and low-temperature in Blackfork are 42.1°F (5.6°C) and 30.9°F (-0.6°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 93.2°F (34°C).

What is the average humidity in December?

The average relative humidity in December is 81%.

How many days does it rain in December in Blackfork?

In Blackfork, in December, it is raining for 10 days, with typically 1.26" (32mm) of accumulated precipitation.

How many days does it snow in December?

In Blackfork, in December, snow falls for 5.5 days, with typically accumulated 0.75" (19mm) of snow.

What is the month with the shortest days in Blackfork?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In Blackfork, the average day length in December is 9h and 30min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:30 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:18 pm EST.

How long on average sun shines in December?

The average sunshine duration in December in Blackfork is 4h.

When is the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December?

In Blackfork, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Blackfork, OH

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in December - Blackfork, OH
  • Average daylight in December: 9h and 3min

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 - 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 - 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 - 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 - 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).

Blackfork, Ohio, USA

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