December weather forecast
Weatherby Lake, MO

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Weather in December

December, the first month of the winter in Weatherby Lake, is also a wintry month, with an average temperature fluctuating between 40.1°F (4.5°C) and 26.8°F (-2.9°C).

Temperature

December's onset brings a slight change in high-temperatures, falling from a cool 52°F (11.1°C) in November to a cold 40.1°F (4.5°C). Weatherby Lake observes an average nighttime temperature of 26.8°F (-2.9°C) during December.

Humidity

The average relative humidity in December is 75%.

Rainfall

In December, the rain falls for 5.5 days. Throughout December, 1.1" (28mm) of precipitation is accumulated. In Weatherby Lake, during the entire year, the rain falls for 134.1 days and collects up to 26.5" (673mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Weatherby Lake. In December, in Weatherby Lake, it is snowing for 3.8 days. Throughout December, 1.22" (31mm) of snow is accumulated. In Weatherby Lake, during the entire year, snow falls for 21.8 days and aggregates up to 9.65" (245mm) of snow.

Daylight

December has the shortest days of the year in Weatherby Lake, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:19 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:06 pm CST.

Sunshine

The average sunshine in December is 5.4h.

UV index

The months with the lowest UV index in Weatherby Lake are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Frequently asked questions

Is it cold in Weatherby Lake during December?

In Weatherby Lake, 40.1°F (4.5°C) is the average high-temperature and 26.8°F (-2.9°C) is the average low-temperature during December. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in August is computed to be 95°F (35°C).

What is the average humidity in December in Weatherby Lake?

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

How much does it rain in Weatherby Lake in December?

In Weatherby Lake, Missouri, during December, the rain falls for 5.5 days and regularly aggregates up to 1.1" (28mm) of precipitation.

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

In December, in Weatherby Lake, Missouri, it is snowing for 3.8 days. Throughout December, 1.22" (31mm) of snow is accumulated.

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

The month with the shortest days is December, with an average of 9h and 30min of daylight.

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

The average day length in December is 9h and 28min.

What time are sunrise and sunset in December in Weatherby Lake?

In December, on the first day of the month, sunrise is at 7:19 am and sunset at 4:56 pm. On the last day of the month, in Weatherby Lake, Missouri, sunrise is at 7:38 am and sunset at 5:06 pm CST.

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

In Weatherby Lake, the average sunshine duration in December is 5.4h.

What are the months with the lowest UV index in Weatherby Lake?

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

What is the UV index intensity in December in Weatherby Lake?

In Weatherby Lake, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's 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
Weatherby Lake, MO

Average temperature in December - Weatherby Lake, MO
  • Average high temperature in December: 40.1°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in December: 26.8°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 (22.1°F).

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Average pressure in December
Weatherby Lake, MO

Average pressure in December - Weatherby Lake, 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 (29.88"Hg).

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Average wind speed in December
Weatherby Lake, MO

Average wind speed in December - Weatherby Lake, MO
  • Average wind speed in December: 9.3mph

The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in December
Weatherby Lake, MO

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

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are October and November (70%).

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Average rainfall in December
Weatherby Lake, MO

Average rainfall in December - Weatherby Lake, MO
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is January (0.98").

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Average rainfall days in December
Weatherby Lake, MO

Average rainfall days in December - Weatherby Lake, MO
  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.8 days).

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Average snowfall in December
Weatherby Lake, MO

Average snowfall in December - Weatherby Lake, MO
  • Average snowfall in December: 1.22"

The month with the highest snowfall is February (3.11").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Weatherby Lake, MO

Average snowfall days in December - Weatherby Lake, MO
  • Average snowfall days in December: 3.8 days

The month with the highest number of snowfall days is February (6.3 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
Weatherby Lake, MO

Average daylight in December / Average sunshine in December - Weatherby Lake, 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 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

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Average sunshine days in December
Weatherby Lake, MO

Average sunshine days in December - Weatherby Lake, MO
  • Average sunshine days in December: 21.8 days

The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in December
Weatherby Lake, MO

Average UV index in December - Weatherby Lake, 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
Weatherby Lake, MO

Average cloud cover in December - Weatherby Lake, MO
  • Average cloud cover in December: 41

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).

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Average visibility in December
Weatherby Lake, MO

Average visibility in December - Weatherby Lake, 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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Weatherby Lake, Missouri, USA

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