December weather forecast
Cascade, MO

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Weather in December

The first month of the winter, December, is still a chilly month in Cascade, Missouri, with an average temperature varying between 45°F (7.2°C) and 32.4°F (0.2°C).

Temperature

In Cascade, the beginning of December is marked by a lowered average high-temperature, shifting from November's cool 54.5°F (12.5°C) to a frosty 45°F (7.2°C). Cascade, during the month of December, experiences an average low-temperature of 32.4°F (0.2°C).

Humidity

The average relative humidity in December is 77%.

Rainfall

In Cascade, in December, it is raining for 10 days, with typically 2.24" (57mm) of accumulated precipitation. In Cascade, during the entire year, the rain falls for 156.4 days and collects up to 35.47" (901mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Cascade, during December, snow falls for 1.9 days and regularly aggregates up to 0.98" (25mm) of snow. In Cascade, during the entire year, snow falls for 11.7 days and aggregates up to 4.69" (119mm) of snow.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:57 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:15 am and sunset at 4:53 pm CST.

Sunshine

December has the least sunshine of the year, with an average of 4.7h of sunshine.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A daily high UV index of 2 in December leads to these guidelines:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Cascade in December?

In December, the average high-temperature and low-temperature are 45°F (7.2°C) and 32.4°F (0.2°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 98.6°F (37°C).

What is the average humidity in December?

The average relative humidity in December is 77%.

How much does it rain in December?

In December, in Cascade, the rain falls for 10 days. Throughout December, 2.24" (57mm) of precipitation is accumulated.

How many days does it snow in December?

In Cascade, Missouri, in December, snow falls for 1.9 days, with typically accumulated 0.98" (25mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 36min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 39min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:57 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:53 pm CST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 4.7h of sunshine.

How long on average sun shines in December?

In Cascade, the average sunshine duration in December is 4.7h.

When is the lowest UV index in Cascade?

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

What is the UV index reading in December?

The average daily maximum UV index in December in Cascade is 2. A UV Index 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
Cascade, MO

Average temperature in December - Cascade, MO
  • Average high temperature in December: 45°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in December: 32.4°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in December
Cascade, MO

Average pressure in December - Cascade, MO
  • Average pressure in December: 30.14"Hg

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

Average wind speed in December
Cascade, MO

Average wind speed in December - Cascade, MO
  • Average wind speed in December: 8.3mph

The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in December
Cascade, MO

Average humidity in December - Cascade, MO
  • Average humidity in December: 77%

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

Average rainfall in December
Cascade, MO

Average rainfall in December - Cascade, MO
  • Average rainfall in December: 2.24"

The wettest month (with the highest rainfall) is April (4.37").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in December
Cascade, MO

Average rainfall days in December - Cascade, MO
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is November (9.7 days).

Average snowfall in December
Cascade, MO

Average snowfall in December - Cascade, MO
  • Average snowfall in December: 0.98"

The month with the highest snowfall is February (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Cascade, MO

Average snowfall days in December - Cascade, MO
  • Average snowfall days in December: 1.9 days

The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Cascade, MO

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

Average sunshine days in December
Cascade, MO

Average sunshine days in December - Cascade, MO
  • Average sunshine days in December: 18.9 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in December
Cascade, MO

Average UV index in December - Cascade, 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 and December (UV index 2).

Average cloud cover in December
Cascade, MO

Average cloud cover in December - Cascade, MO
  • Average cloud cover in December: 47

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in December
Cascade, MO

Average visibility in December - Cascade, 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).

Cascade, Missouri, USA

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