December weather forecast and climate
Mill Spring, MO

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

Temperature

In December, the average high-temperature decreases, from a fresh 55°F (12.8°C) in November, to a chilly 45.3°F (7.4°C). In December, the average low-temperature is 32°F (0°C).

Humidity

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

Rainfall

September and December are months with the least rain in Mill Spring when the rain falls for 8.1 days and typically aggregates up to 1.26" (32mm) of rain.

Snowfall

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

Daylight

The month with the shortest days in Mill Spring, Missouri, is December, with an average of 9.7h of daylight.

Sunshine

In December, the average sunshine is 5.1h.

UV index

Months with the lowest UV index in Mill Spring are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation for the average person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Mill Spring?

In Mill Spring, in December, the average high-temperature is 45.3°F (7.4°C), and the average low-temperature is 32°F (0°C).

What is the average humidity in December in Mill Spring?

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

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

In Mill Spring, during December, the rain falls for 8.1 days and regularly aggregates up to 1.26" (32mm) of precipitation.

What is the driest month in Mill Spring?

September and December are months with the least rain when the rain falls for 8.1 days and typically aggregates up to 1.26" (32mm) of rain.

How much does it snow in Mill Spring in December?

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 9.7h of daylight, December has the shortest days of the year.

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

In December, the average length of the day in Mill Spring is 9.7h.

How long on average sun shines in December in Mill Spring?

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

What is the month with the lowest UV index in Mill Spring?

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

What is the UV index reading in December in Mill Spring?

In Mill Spring, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV radiation.
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).

Average pressure in December - Mill Spring, MO
  • Average pressure in December: 30.14"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.93").

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).

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%).

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").

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).
Months with the least rainy days are January and December (8.1 days).

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

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

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).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Mill Spring, MO
  • Average daylight in December: 9.7h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in December: 5.1h

The month with the most sunshine is June (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.9h).

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).

Average UV index in December - Mill Spring, MO
  • Average UV index in December: 2

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February and December (UV index 2).

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).

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

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