December weather forecast
Lake Ozark, MO

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Weather in December

December arrives with a full thrust of winter, marked by low temperatures that stand out from the milder conditions in November. The city registers 1.61" (41mm) of snowfall, signaling the onset of the peak winter phase. With daylight hours reaching their minimum for the year and cloud cover blocking most of the sun, the city turns significantly colder. The reduced visibility owing to the increased cloud cover and lower temperatures mark the end of the year.

Temperature

In Lake Ozark, the beginning of December is marked by a lowered average high-temperature, shifting from November's fresh 54.1°F (12.3°C) to a chilly 43.5°F (6.4°C). During December, the temperature tends to dip to an average of 29.5°F (-1.4°C) at night.

Humidity

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

Rainfall

In Lake Ozark, Missouri, in December, during 7.5 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Lake Ozark, Missouri, during the entire year, the rain falls for 148.1 days and collects up to 32.36" (822mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Lake Ozark, during December, snow falls for 4.5 days and regularly aggregates up to 1.61" (41mm) of snow. Throughout the year, in Lake Ozark, there are 23.2 snowfall days, and 10.79" (274mm) of snow is accumulated.

Daylight

The month with the shortest days in Lake Ozark, Missouri, is December, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:50 pm. On the last day of December, in Lake Ozark, sunrise is at 7:27 am and sunset at 5:00 pm CST.

Sunshine

The average sunshine in December is 5.2h.

UV index

The months with the lowest UV index in Lake Ozark, Missouri, are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 2 during December translates into the following guidance:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

How cold does it get in Lake Ozark in December?

The high-temperature in Lake Ozark during December is 43.5°F (6.4°C) and the low-temperature is 29.5°F (-1.4°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is evaluated at 100.4°F (38°C).

What is the average humidity in December in Lake Ozark?

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

How much does it rain in Lake Ozark in December?

In Lake Ozark, Missouri, in December, during 7.5 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

How many days does it snow in December in Lake Ozark?

In Lake Ozark, in December, during 4.5 snowfall days, 1.61" (41mm) of snow is typically accumulated.

What is the month with the shortest days in Lake Ozark?

December has the shortest days of the year in Lake Ozark, Missouri, with an average of 9h and 36min of daylight.

What is the average length of the day in December in Lake Ozark?

In Lake Ozark, Missouri, the average day length in December is 9h and 34min.

When are sunrise and sunset in December in Lake Ozark?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 4:50 pm. On the last day of the month, in Lake Ozark, sunrise is at 7:27 am and sunset at 5:00 pm CST.

How many hours of sunshine does Lake Ozark have in December?

In December, the average sunshine duration in Lake Ozark is 5.2h.

What is the month with the lowest UV index in Lake Ozark?

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

How high is the UV index in December in Lake Ozark?

The average daily maximum UV index in December in Lake Ozark, Missouri, is 2. A UV Index estimate 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
Lake Ozark, MO

Average temperature in December - Lake Ozark, MO
  • Average high temperature in December: 43.5°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 (39.2°F).

  • Average low temperature in December: 29.5°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

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Average pressure in December
Lake Ozark, MO

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in December
Lake Ozark, MO

Average wind speed in December - Lake Ozark, MO
  • Average wind speed in December: 8.5mph

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in December
Lake Ozark, MO

Average humidity in December - Lake Ozark, MO
  • Average humidity in December: 75%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in December
Lake Ozark, MO

Average rainfall in December - Lake Ozark, MO
  • Average rainfall in December: 1.85"

The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is January (1.57").

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Average rainfall days in December
Lake Ozark, MO

Average rainfall days in December - Lake Ozark, MO
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is December (7.5 days).

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Average snowfall in December
Lake Ozark, MO

Average snowfall in December - Lake Ozark, MO
  • Average snowfall in December: 1.61"

The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Lake Ozark, MO

Average snowfall days in December - Lake Ozark, MO
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is February (7.7 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
Lake Ozark, MO

Average daylight in December / Average sunshine in December - Lake Ozark, MO
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

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Average sunshine days in December
Lake Ozark, MO

Average sunshine days in December - Lake Ozark, MO
  • Average sunshine days in December: 19.2 days

The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in December
Lake Ozark, MO

Average UV index in December - Lake Ozark, MO
  • Average UV index in December: 2

The months with the highest UV index are 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
Lake Ozark, MO

Average cloud cover in December - Lake Ozark, MO
  • Average cloud cover in December: 44

The months with the most cloud cover are February and March (Cloud cover 48).
The months with the least cloud cover are June, July and August (Cloud cover 28).

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Average visibility in December
Lake Ozark, MO

Average visibility in December - Lake Ozark, MO
  • Average visibility in December: 6mi

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

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Lake Ozark, Missouri, USA

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