December weather forecast
Mill Spring, MO

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Weather in December

December, the first month of the winter in Mill Spring, is also a frosty month, with an average temperature ranging between min 32°F (0°C) and max 45.3°F (7.4°C).

Temperature

December's onset corresponds with a shift in the average high-temperature, moving from a cool 55°F (12.8°C) in November to a chilly 45.3°F (7.4°C). In December, Mill Spring experiences an average nighttime temperature of 32°F (0°C).

Humidity

In December, the average relative humidity in Mill Spring is 77%.

Rainfall

The months with the least rainfall are September and December Rain falls for 8.1 days and accumulates 1.26" (32mm) of rain.

Snowfall

January through March, November and December are months with snowfall. In Mill Spring, in December, snow falls for 1.8 days, with typically accumulated 1.02" (26mm) of snow. Throughout the year, there are 11.9 snowfall days, and 4.72" (120mm) of snow is accumulated.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year in Mill Spring.
On the first day of December, sunrise is at 6:58 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:56 pm CST.

Sunshine

The average sunshine in December is 5.1h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Mill Spring, Missouri. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 2 during December translates into the following guidance:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

What is the usual temperature for Mill Spring in December?

The high-temperature, in December, in Mill Spring, records 45.3°F (7.4°C), while the low-temperature is 32°F (0°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is computed to be 86°F (30°C).

What is the average humidity in December in Mill Spring?

The average relative humidity in December is 77%.

What is the driest month in Mill Spring?

The months with the least rainfall are September and December Rain falls for 8.1 days and accumulates 1.26" (32mm) of rain.

How many days does it rain in December in Mill Spring?

In Mill Spring, Missouri, in December, it is raining for 8.1 days, with typically 1.26" (32mm) of accumulated precipitation.

How many days does it snow in December in Mill Spring?

In Mill Spring, Missouri, in December, snow falls for 1.8 days, with typically accumulated 1.02" (26mm) of snow.

What is the month with the shortest days in Mill Spring?

With an average of 9h and 42min of daylight, December has the shortest days of the year in Mill Spring, Missouri.

What is the average length of the day in December in Mill Spring?

In Mill Spring, the average day length in December is 9h and 40min.

What time are sunrise and sunset in December in Mill Spring?

On the first day of December in Mill Spring, Missouri, sunrise is at 6:58 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:56 pm CST.

How many hours of sunshine does Mill Spring have in December?

In Mill Spring, Missouri, the average sunshine duration in December is 5.1h.

What are the months with the lowest UV index in Mill Spring?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Mill Spring, Missouri.

How high is the UV index in December in Mill Spring?

In Mill Spring, Missouri, the average daily maximum UV index in December 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
Mill Spring, MO

Average temperature in December - Mill Spring, MO
  • Average high temperature in December: 45.3°F

The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in December: 32°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 (27.1°F).

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Average pressure in December
Mill Spring, MO

Average pressure in December - Mill Spring, MO
  • 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 (29.93"Hg).

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Average wind speed in December
Mill Spring, MO

Average wind speed in December - Mill Spring, MO
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in December
Mill Spring, MO

Average humidity in December - Mill Spring, MO
  • Average humidity in December: 77%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in December
Mill Spring, MO

Average rainfall in December - Mill Spring, MO
  • Average rainfall in December: 1.26"

The wettest month (with the highest rainfall) is April (3.03").
The driest months (with the least rainfall) are September and December (1.26").

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Average rainfall days in December
Mill Spring, MO

Average rainfall days in December - Mill Spring, MO
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is July (15.7 days).
The months with the least rainy days are January and December (8.1 days).

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Average snowfall in December
Mill Spring, MO

Average snowfall in December - Mill Spring, MO
  • Average snowfall in December: 1.02"

The month with the highest snowfall is February (1.65").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Mill Spring, MO

Average snowfall days in December - Mill Spring, MO
  • Average snowfall days in December: 1.8 days

The month with the highest number of snowfall days is January (3.8 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
Mill Spring, MO

Average daylight in December / Average sunshine in December - Mill Spring, MO
  • 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: 5h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in December
Mill Spring, MO

Average sunshine days in December - Mill Spring, MO
  • Average sunshine days in December: 20.3 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (12 days).

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Average UV index in December
Mill Spring, MO

Average UV index in December - Mill Spring, 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 and December (UV index 2).

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Average cloud cover in December
Mill Spring, MO

Average cloud cover in December - Mill Spring, MO
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 28).

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Average visibility in December
Mill Spring, MO

Average visibility in December - Mill Spring, MO
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).

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Mill Spring, Missouri, USA

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