December weather forecast
Blackford, KY

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Weather in December

December, the first month of the winter in Blackford, is also a frosty month, with temperature in the range of an average low of 33.3°F (0.7°C) and an average high of 45.1°F (7.3°C).

Temperature

The shift from November to December corresponds with a decrease in the average high-temperature, down to a frosty 45.1°F (7.3°C) from a fresh 54.5°F (12.5°C). During the month of December, Blackford experiences a steady low-temperature average of 33.3°F (0.7°C).

Humidity

The average relative humidity in December is 78%.

Rainfall

In Blackford, in December, it is raining for 9.5 days, with typically 1.57" (40mm) of accumulated precipitation. In Blackford, during the entire year, the rain falls for 136.4 days and collects up to 20" (508mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Blackford, during December, snow falls for 3.5 days and regularly aggregates up to 0.28" (7mm) of snow. Throughout the year, there are 15.2 snowfall days, and 3.03" (77mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 6:48 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:06 am and sunset at 4:44 pm CST.

Sunshine

In Blackford, the average sunshine in December is 4.7h.

UV index

The months with the lowest UV index in Blackford are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

In December, the average high-temperature and low-temperature in Blackford are 45.1°F (7.3°C) and 33.3°F (0.7°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is evaluated at 95°F (35°C).

What is the average humidity in December?

The average relative humidity in December is 78%.

How many days does it rain in December?

In Blackford, during December, the rain falls for 9.5 days and regularly aggregates up to 1.57" (40mm) of precipitation.

How many days does it snow in December?

In Blackford, in December, snow falls for 3.5 days, with typically accumulated 0.28" (7mm) of snow.

What is the month with the shortest days in Blackford?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In December, the average day length is 9h and 38min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:48 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 4:44 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.7h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

In Blackford, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat 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
Blackford, KY

Average temperature in December - Blackford, KY
  • Average high temperature in December: 45.1°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 (40.1°F).

  • Average low temperature in December: 33.3°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).

Average pressure in December
Blackford, KY

Average pressure in December - Blackford, KY
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
Blackford, KY

Average wind speed in December - Blackford, KY
  • Average wind speed in December: 9.1mph

The windiest month (with the highest average wind speed) is February (9.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

Average humidity in December
Blackford, KY

Average humidity in December - Blackford, KY
  • Average humidity in December: 78%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Blackford, KY

Average rainfall in December - Blackford, KY
  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is April (2.2").
The driest month (with the least rainfall) is September (0.91").

Average rainfall days in December
Blackford, KY

Average rainfall days in December - Blackford, KY
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is January (8.2 days).

Average snowfall in December
Blackford, KY

Average snowfall in December - Blackford, KY
  • Average snowfall in December: 0.28"

The month with the highest snowfall is January (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Blackford, KY

Average snowfall days in December - Blackford, KY
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is January (4.4 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
Blackford, KY

Average daylight in December / Average sunshine in December - Blackford, KY
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in December
Blackford, KY

Average sunshine days in December - Blackford, KY
  • Average sunshine days in December: 17.8 days

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (13.1 days).

Average UV index in December
Blackford, KY

Average UV index in December - Blackford, KY
  • 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 and December (UV index 2).

Average cloud cover in December
Blackford, KY

Average cloud cover in December - Blackford, KY
  • Average cloud cover in December: 50

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in December
Blackford, KY

Average visibility in December - Blackford, KY
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Blackford, Kentucky, USA

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