December weather forecast
Imperial, MO

Weather in December

The first month of the winter, December, is still a chilly month in Imperial, Missouri, with average temperature varying between 30.7°F (-0.7°C) and 43.2°F (6.2°C).

Temperature

In Imperial, Missouri, the average high-temperature in December decreases, from a cool 53.8°F (12.1°C) in November, to a chilly 43.2°F (6.2°C). In December, the average low-temperature is 30.7°F (-0.7°C).

Humidity

In Imperial, the average relative humidity is 76%.

Rainfall

In Imperial, during December, the rain falls for 8.2 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, there are 146.1 rainfall days, and 32.36" (822mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In December, in Imperial, it is snowing for 3 days. Throughout December, 1.89" (48mm) of snow is accumulated. In Imperial, during the entire year, snow falls for 15.3 days, and aggregates up to 8.27" (210mm) of snow.

Daylight

The month with the shortest days in Imperial is December, with an average of 9.5h of daylight.

Sunshine

The average sunshine in December is 4.9h.

UV index

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 health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in December in Imperial?

The average relative humidity in December is 76%.

How many days does it rain in December in Imperial?

In December, in Imperial, the rain falls for 8.2 days. Throughout December, 2.2" (56mm) of precipitation is accumulated.

How many days does it snow in December in Imperial?

In Imperial, in December, snow falls for 3 days, with typically accumulated 1.89" (48mm) of snow.

What is the month with the shortest days in Imperial?

With an average of 9.5h of daylight, December has the shortest days of the year.

How many hours of daylight does Imperial have in December?

In Imperial, the average length of the day in December is 9.5h.

How many hours of sunshine does Imperial have in December?

The average sunshine in December in Imperial, Missouri, is 4.9h.

When is the lowest UV index in Imperial?

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

How high is the UV index in December in Imperial?

In December, the average daily maximum UV index in Imperial, Missouri, is 2. A UV Index of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV radiation.

Average temperature in December
Imperial, MO

Average temperature in December - Imperial, MO
  • Average high temperature in December: 43.2°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in December: 30.7°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).

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Average pressure in December
Imperial, MO

Average pressure in December - Imperial, MO
  • Average pressure in December: 30.13"

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

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Average wind speed in December
Imperial, MO

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

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in December
Imperial, MO

Average humidity in December - Imperial, 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 (71%).

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Average rainfall in December
Imperial, MO

Average rainfall in December - Imperial, MO
  • Average rainfall in December: 2.2"

The wettest month (with the highest rainfall) is May (3.94").
The driest months (with the least rainfall) are February and November (1.77").

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Average rainfall days in December
Imperial, MO

Average rainfall days in December - Imperial, MO
  • Average rainfall days in December: 8.2 days

The month with the highest number of rainy days is July (16.9 days).
Months with the least rainy days are January and February (6.8 days).

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Average snowfall in December
Imperial, MO

Average snowfall in December - Imperial, MO
  • Average snowfall in December: 1.89"

The month with the highest snowfall is February (2.6").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Imperial, MO

Average snowfall days in December - Imperial, MO
  • Average snowfall days in December: 3 days

Months with the highest number of snowfall days are January and February (4.8 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Imperial, MO
  • Average daylight in December: 9.5h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in December: 4.9h

The month with the most sunshine is June (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 4.5h).

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Average sunshine days in December
Imperial, MO

Average sunshine days in December - Imperial, MO
  • Average sunshine days in December: 19.7 days

The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is June (11.6 days).

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Average UV index in December
Imperial, MO

Average UV index in December - Imperial, 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).

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Average cloud cover in December
Imperial, MO

Average cloud cover in December - Imperial, MO
  • Average cloud cover in December: 49

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in December
Imperial, MO

Average visibility in December - Imperial, MO
  • Average visibility in December: 6mi

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

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