December weather forecast and climate
Mill Spring, MO

December, the first month of the winter, in Mill Spring, is still a chilly month, with average temperature varying between 32°F (0°C) and 45.3°F (7.4°C).

Temperature

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

Humidity

In December, the average relative humidity in Mill Spring 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. In Mill Spring, during December, snow falls for 1.8 days and regularly aggregates up to 1.02" (26mm) of snow. In Mill Spring, during the entire year, snow falls for 11.9 days, and aggregates up to 4.72" (120mm) of snow.

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 in Mill Spring 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. A UV Index reading of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 2 in December transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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?

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

What is the average humidity in December in Mill Spring?

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

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.

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 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?

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

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

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

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

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

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

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

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

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV rays.
Average temperature in December - Mill Spring, MO
  • Average high temperature in December: 7.4°C

The warmest month (with the highest average high temperature) is July (31.9°C).
The month with the lowest average high temperature is January (5.3°C).

  • Average low temperature in December: 0°C

The month with the highest average low temperature is July (20.2°C).
The coldest month (with the lowest average low temperature) is January (-2.7°C).

Average pressure in December - Mill Spring, MO
  • Average pressure in December: 1020.5mbar

The month with the highest atmospheric pressure is January (1021.4mbar).
The month with the lowest atmospheric pressure is June (1013.5mbar).

Average wind speed in December - Mill Spring, MO
  • Average wind speed in December: 11.8km/h

The windiest month (with the highest average wind speed) is January (12.8km/h).
The calmest month (with the lowest average wind speed) is August (7.8km/h).

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: 32mm

The wettest month (with the highest rainfall) is April (77mm).
The driest months (with the least rainfall) are September and December (32mm).

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: 26mm

The month with the highest snowfall is February (42mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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: 9km

Months with the highest visibility are January, February, March, April, June, September, October, November and December (9km).
Months with the lowest visibility are May, July and August (8km).