December weather forecast
Greenton, MO

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Weather in December

December, the first month of the winter in Greenton, is also an icy month, with temperature in the range of an average low of 27.5°F (-2.5°C) and an average high of 40.6°F (4.8°C).

Temperature

December brings a decrease in the average high-temperature, shifting from a fresh 52.3°F (11.3°C) in November to a cold 40.6°F (4.8°C). During the nights in December, Greenton experiences a consistent average temperature of 27.5°F (-2.5°C).

Humidity

In Greenton, the average relative humidity in December is 75%.

Rainfall

In December, in Greenton, the rain falls for 5.4 days. Throughout December, 1.22" (31mm) of precipitation is accumulated. In Greenton, during the entire year, the rain falls for 130.1 days and collects up to 22.8" (579mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Greenton, Missouri. In Greenton, during December, snow falls for 3.4 days and regularly aggregates up to 0.87" (22mm) of snow. Throughout the year, there are 20.8 snowfall days, and 8.07" (205mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:16 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:03 pm CST.

Sunshine

The average sunshine in December is 5.3h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

Is December cold in Greenton?

In December, the average high-temperature and low-temperature are 40.6°F (4.8°C) and 27.5°F (-2.5°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 93.2°F (34°C).

What is the average humidity in December in Greenton?

In December, the average relative humidity in Greenton, Missouri, is 75%.

How much does it rain in Greenton in December?

In Greenton, during December, the rain falls for 5.4 days and regularly aggregates up to 1.22" (31mm) of precipitation.

How many days does it snow in December in Greenton?

In Greenton, in December, snow falls for 3.4 days, with typically accumulated 0.87" (22mm) of snow.

What is the month with the shortest days in Greenton?

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

What is the average length of the day in December in Greenton?

The average day length in December in Greenton is 9h and 29min.

When is the sunrise / sunset in December in Greenton?

On the first day of December in Greenton, Missouri, sunrise is at 7:16 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:03 pm CST.

How long on average sun shines in December in Greenton?

In December, the average sunshine duration is 5.3h.

What is the month with the lowest UV index in Greenton?

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

How high is the UV index in December in Greenton?

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
Greenton, MO

Average temperature in December - Greenton, MO
  • Average high temperature in December: 40.6°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in December: 27.5°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in December
Greenton, MO

Average pressure in December - Greenton, MO
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in December
Greenton, MO

Average wind speed in December - Greenton, MO
  • Average wind speed in December: 9.2mph

The windiest month (with the highest average wind speed) is March (10mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in December
Greenton, MO

Average humidity in December - Greenton, MO
  • Average humidity in December: 75%

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

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Average rainfall in December
Greenton, MO

Average rainfall in December - Greenton, MO
  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in December
Greenton, MO

Average rainfall days in December - Greenton, MO
  • Average rainfall days in December: 5.4 days

The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is December (5.4 days).

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Average snowfall in December
Greenton, MO

Average snowfall in December - Greenton, MO
  • Average snowfall in December: 0.87"

The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Greenton, MO

Average snowfall days in December - Greenton, MO
  • Average snowfall days in December: 3.4 days

The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Greenton, MO

Average daylight in December / Average sunshine in December - Greenton, MO
  • Average daylight in December: 9h and 3min

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: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

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Average sunshine days in December
Greenton, MO

Average sunshine days in December - Greenton, MO
  • Average sunshine days in December: 22 days

The month with the most sunshine days is December (22 days).
The months with the least sunshine days are May and June (12.5 days).

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Average UV index in December
Greenton, MO

Average UV index in December - Greenton, MO
  • 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).

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Average cloud cover in December
Greenton, MO

Average cloud cover in December - Greenton, MO
  • Average cloud cover in December: 43

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in December
Greenton, MO

Average visibility in December - Greenton, MO
  • 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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Greenton, Missouri, USA

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