December weather forecast
Spanish Lake, MO

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Weather in December

December concludes the weather cycle in Spanish Lake by fully manifesting winter conditions. A more considerable snowfall of 2.01" (51mm) over 3.7 days occurs, the highest in the year. However, it is only marginally colder than November, and notably cooler than January. As the year ends, the daylight hours are at their shortest, and the cloud cover is at its highest. The intensified wind speeds combined with peak snowfall establish the dominance of winter.

Temperature

The onset of December results in a decrease in the average high-temperature, receding from a fresh 52.9°F (11.6°C) in November to an icy 41.9°F (5.5°C). Spanish Lake experiences a consistent average temperature of 30°F (-1.1°C) throughout the nights in December.

Humidity

In Spanish Lake, the average relative humidity in December is 76%.

Rainfall

In Spanish Lake, in December, it is raining for 8.2 days, with typically 2.05" (52mm) of accumulated precipitation. In Spanish Lake, during the entire year, the rain falls for 149 days and collects up to 31.61" (803mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Spanish Lake, during December, snow falls for 3.7 days and regularly aggregates up to 2.01" (51mm) of snow. Throughout the year, there are 19.5 snowfall days, and 8.82" (224mm) of snow is accumulated.

Daylight

The month with the shortest days in Spanish Lake is December, with an average of 9h and 30min of daylight.
On the first day of December in Spanish Lake, sunrise is at 7:00 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:49 pm CST.

Sunshine

The average sunshine in December is 4.9h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in December?

The average high-temperature, in December, in Spanish Lake, is 41.9°F (5.5°C), while the average low-temperature is 30°F (-1.1°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is estimated at 95°F (35°C).

What is the average humidity in December in Spanish Lake?

The average relative humidity in December is 76%.

How many days does it rain in December?

In Spanish Lake, during December, the rain falls for 8.2 days and regularly aggregates up to 2.05" (52mm) of precipitation.

How much does it snow in December?

In Spanish Lake, in December, snow falls for 3.7 days, with typically accumulated 2.01" (51mm) of snow.

What is the month with the shortest days?

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 Spanish Lake, Missouri, the average day length in December is 9h and 31min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:00 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:49 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.9h.

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

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

What is the UV index intensity in December?

In Spanish 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 unsafe exposure to Sun's UV rays.
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
Spanish Lake, MO

Average temperature in December - Spanish Lake, MO
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.2°F).

  • Average low temperature in December: 30°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).

Average pressure in December
Spanish Lake, MO

Average pressure in December - Spanish Lake, 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).

Average wind speed in December
Spanish Lake, MO

Average wind speed in December - Spanish Lake, MO
  • Average wind speed in December: 8.7mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).

Average humidity in December
Spanish Lake, MO

Average humidity in December - Spanish Lake, MO
  • Average humidity in December: 76%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (70%).

Average rainfall in December
Spanish Lake, MO

Average rainfall in December - Spanish Lake, MO
  • Average rainfall in December: 2.05"

The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is February (1.69").

Average rainfall days in December
Spanish Lake, MO

Average rainfall days in December - Spanish Lake, MO
  • Average rainfall days in December: 8.2 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in December
Spanish Lake, MO

Average snowfall in December - Spanish Lake, MO
  • Average snowfall in December: 2.01"

The month with the highest snowfall is February (2.95").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Spanish Lake, MO

Average snowfall days in December - Spanish Lake, MO
  • Average snowfall days in December: 3.7 days

The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Spanish Lake, MO

Average daylight in December / Average sunshine in December - Spanish Lake, MO
  • Average daylight in December: 9h and 3min

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 30min).

  • Average sunshine in December: 4h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in December
Spanish Lake, MO

Average sunshine days in December - Spanish Lake, MO
  • Average sunshine days in December: 18.9 days

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is May (11 days).

Average UV index in December
Spanish Lake, MO

Average UV index in December - Spanish 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).

Average cloud cover in December
Spanish Lake, MO

Average cloud cover in December - Spanish Lake, MO
  • Average cloud cover in December: 48

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in December
Spanish Lake, MO

Average visibility in December - Spanish 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).

Spanish Lake, Missouri, USA

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