December weather forecast
Ernestville, MO

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Weather in December

The first month of the winter, December, is also an icy month in Ernestville, Missouri, with an average temperature ranging between max 41°F (5°C) and min 27.5°F (-2.5°C).

Temperature

Start of December brings a shift in the average high-temperature, falling from November's cool 52.7°F (11.5°C) to a wintry 41°F (5°C). Ernestville's nighttime temperature during December is consistently averaged at a subzero cold 27.5°F (-2.5°C).

Humidity

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

Rainfall

In December, the rain falls for 5.6 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. Throughout the year, there are 126.4 rainfall days, and 20.08" (510mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In December, it is snowing for 2.4 days. Throughout December, 0.83" (21mm) of snow is accumulated. Throughout the year, there are 16.3 snowfall days, and 6.14" (156mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:14 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:02 pm CST.

Sunshine

In Ernestville, the average sunshine in December is 5.3h.

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 reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

How cold is it in December?

The high-temperature, in December, in Ernestville, is 41°F (5°C), while the low-temperature averages to 27.5°F (-2.5°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 95°F (35°C).

What is the average humidity in December?

In December, the average relative humidity is 76%.

How many days does it rain in December?

In Ernestville, in December, it is raining for 5.6 days, with typically 0.98" (25mm) of accumulated precipitation.

How much does it snow in December?

In Ernestville, in December, snow falls for 2.4 days, with typically accumulated 0.83" (21mm) of snow.

What is the month with the shortest days in Ernestville?

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 Ernestville?

The average day length in December is 9h and 29min.

When is the sunrise / sunset in December in Ernestville?

On the first day of December, sunrise is at 7:14 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:02 pm CST.

How many hours of sunshine does Ernestville have in December?

In December, the average sunshine duration is 5.3h.

What are the months with the lowest UV index in Ernestville?

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

What is the UV index reading in December?

In Ernestville, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents 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
Ernestville, MO

Average temperature in December - Ernestville, MO
  • Average high temperature in December: 41°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in December: 27.5°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average pressure in December
Ernestville, MO

Average pressure in December - Ernestville, 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 (29.91"Hg).

Average wind speed in December
Ernestville, MO

Average wind speed in December - Ernestville, MO
  • Average wind speed in December: 9.4mph

The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in December
Ernestville, MO

Average humidity in December - Ernestville, MO
  • Average humidity in December: 76%

The months with the highest relative humidity are May, June and July (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Ernestville, MO

Average rainfall in December - Ernestville, MO
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in December
Ernestville, MO

Average rainfall days in December - Ernestville, MO
  • Average rainfall days in December: 5.6 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (5.3 days).

Average snowfall in December
Ernestville, MO

Average snowfall in December - Ernestville, MO
  • Average snowfall in December: 0.83"

The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Ernestville, MO

Average snowfall days in December - Ernestville, MO
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Ernestville, 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 months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in December
Ernestville, MO

Average sunshine days in December - Ernestville, MO
  • Average sunshine days in December: 22.6 days

The month with the most sunshine days is December (22.6 days).
The months with the least sunshine days are May and June (13.8 days).

Average UV index in December
Ernestville, MO

Average UV index in December - Ernestville, 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).

Average cloud cover in December
Ernestville, MO

Average cloud cover in December - Ernestville, MO
  • Average cloud cover in December: 43

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

Average visibility in December
Ernestville, MO

Average visibility in December - Ernestville, 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).

Ernestville, Missouri, USA

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