December weather forecast
Smiths Grove, KY

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Weather in December

December, the first month of the winter in Smiths Grove, is still a chilly month, with temperature in the range of an average low of 34.3°F (1.3°C) and an average high of 47.3°F (8.5°C).

Temperature

A subtle shift in Smiths Grove's weather is observed as November turns into December, with the average high temperature reducing from a refreshing 55.6°F (13.1°C) to a frosty 47.3°F (8.5°C). In the month of December, Smiths Grove's average low-temperature falls to a wintry 34.3°F (1.3°C).

Humidity

February, March, May and December, with an average relative humidity of 79%, are the most humid months.

Rainfall

In Smiths Grove, during December, the rain falls for 9.7 days and regularly aggregates up to 1.65" (42mm) of precipitation. Throughout the year, there are 147.6 rainfall days, and 22.6" (574mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Smiths Grove, during December, snow falls for 2.6 days and regularly aggregates up to 0.83" (21mm) of snow. Throughout the year, in Smiths Grove, there are 14 snowfall days, and 3.27" (83mm) of snow is accumulated.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of December in Smiths Grove, sunrise is at 6:40 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:38 pm CST.

Sunshine

In December, the average sunshine is 4.6h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Smiths Grove. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily high UV index of 2 in December leads to these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

What are the temperatures in Smiths Grove in December?

The average high-temperature, in December, in Smiths Grove, is 47.3°F (8.5°C), while the average low-temperature is 34.3°F (1.3°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 96.8°F (36°C).

What is the most humid month in Smiths Grove?

February, March, May and December, with an average relative humidity of 79%, are most humid months.

What is the average humidity in December in Smiths Grove?

In Smiths Grove, the average relative humidity in December is 79%.

How much does it rain in Smiths Grove in December?

In December, in Smiths Grove, the rain falls for 9.7 days. Throughout December, 1.65" (42mm) of precipitation is accumulated.

How many days does it snow in December in Smiths Grove?

In Smiths Grove, in December, snow falls for 2.6 days, with typically accumulated 0.83" (21mm) of snow.

What is the month with the shortest days in Smiths Grove?

The month with the shortest days in Smiths Grove, Kentucky, is December, with an average of 9h and 42min of daylight.

How many hours of daylight does Smiths Grove have in December?

The average day length in December in Smiths Grove, Kentucky, is 9h and 40min.

When are sunrise and sunset in December in Smiths Grove?

On the first day of December, sunrise is at 6:40 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:38 pm CST.

How many hours of sunshine does Smiths Grove have in December?

In Smiths Grove, the average sunshine duration in December is 4.6h.

What are the months with the lowest UV index in Smiths Grove?

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 Smiths Grove?

The average daily maximum UV index in December in Smiths Grove is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Smiths Grove, KY

Average temperature in December - Smiths Grove, KY
  • Average high temperature in December: 47.3°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (42.1°F).

  • Average low temperature in December: 34.3°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).

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Average pressure in December
Smiths Grove, KY

Average pressure in December - Smiths Grove, 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 (29.96"Hg).

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Average wind speed in December
Smiths Grove, KY

Average wind speed in December - Smiths Grove, KY
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

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Average humidity in December
Smiths Grove, KY

Average humidity in December - Smiths Grove, KY
  • Average humidity in December: 79%

The months with the highest relative humidity are February, March, May and December (79%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in December
Smiths Grove, KY

Average rainfall in December - Smiths Grove, KY
  • Average rainfall in December: 1.65"

The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is September (1.18").

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Average rainfall days in December
Smiths Grove, KY

Average rainfall days in December - Smiths Grove, KY
  • Average rainfall days in December: 9.7 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is November (7.8 days).

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Average snowfall in December
Smiths Grove, KY

Average snowfall in December - Smiths Grove, KY
  • Average snowfall in December: 0.83"

The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Smiths Grove, KY

Average snowfall days in December - Smiths Grove, KY
  • Average snowfall days in December: 2.6 days

The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Smiths Grove, KY

Average daylight in December / Average sunshine in December - Smiths Grove, 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 42min).

  • Average sunshine in December: 4h and 4min

The months with the most sunshine are June and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

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Average sunshine days in December
Smiths Grove, KY

Average sunshine days in December - Smiths Grove, KY
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is July (10.9 days).

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Average UV index in December
Smiths Grove, KY

Average UV index in December - Smiths Grove, 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).

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Average cloud cover in December
Smiths Grove, KY

Average cloud cover in December - Smiths Grove, KY
  • Average cloud cover in December: 52

The months with the most cloud cover are January and February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 29).

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Average visibility in December
Smiths Grove, KY

Average visibility in December - Smiths Grove, 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).

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Smiths Grove, Kentucky, USA

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