December weather forecast
Dexter, MO

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Weather in December

December announces the full arrival of winter in Dexter with colder temperatures and shorter days. Following November's example, December witnesses further decline in temperatures. Sealing the year, December kisses the frost with average high temperatures falling to 46.4°F (8°C). The receding warmth paves the winding path towards the annual climatic deep freeze. Consequently, December covers Dexter with a wintry charm, wrapping up the year under a cold blanket.

Temperature

The onset of December introduces a moderate change in Dexter's weather, with average high-temperatures falling from November's refreshing 55.8°F (13.2°C) to a frosty 46.4°F (8°C). Dexter's average low-temperature in the month of December is recorded at an icy 34°F (1.1°C).

Humidity

In Dexter, the average relative humidity in December is 77%.

Rainfall

In Dexter, during December, the rain falls for 6.2 days and regularly aggregates up to 0.51" (13mm) of precipitation. Throughout the year, there are 107.6 rainfall days, and 10.83" (275mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Dexter are January through March, November and December. In Dexter, in December, snow falls for 1.1 days, with typically accumulated 0.08" (2mm) of snow. Throughout the year, in Dexter, there are 5.7 snowfall days, and 0.59" (15mm) of snow is accumulated.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year in Dexter.
On the first day of the month, sunrise is at 6:54 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:12 am and sunset at 4:53 pm CST.

Sunshine

The average sunshine in December in Dexter is 5h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily high UV index of 2 in December leads to these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Frequently asked questions

What are the temperatures in Dexter in December?

In December, the average high-temperature and low-temperature are 46.4°F (8°C) and 34°F (1.1°C) respectively. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is appraised at 86°F (30°C).

What is the average humidity in December in Dexter?

In December, the average relative humidity in Dexter is 77%.

How many days does it rain in December in Dexter?

In Dexter, in December, it is raining for 6.2 days, with typically 0.51" (13mm) of accumulated precipitation.

How many days does it snow in December in Dexter?

In Dexter, Missouri, in December, snow falls for 1.1 days, with typically accumulated 0.08" (2mm) of snow.

What is the month with the shortest days in Dexter?

With an average of 9h and 42min of daylight, December has the shortest days of the year in Dexter, Missouri.

What is the average length of the day in December in Dexter?

In December, the average day length in Dexter is 9h and 41min.

When are sunrise and sunset in December in Dexter?

In December, on the first day of the month, sunrise is at 6:54 am and sunset at 4:43 pm. On the last day of the month, in Dexter, Missouri, sunrise is at 7:12 am and sunset at 4:53 pm CST.

How long on average sun shines in December in Dexter?

The average sunshine duration in December in Dexter is 5h.

What is the month with the lowest UV index in Dexter?

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

What is the UV index reading in December in Dexter?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from 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
Dexter, MO

Average temperature in December - Dexter, MO
  • Average high temperature in December: 46.4°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (42.4°F).

  • Average low temperature in December: 34°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

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Average pressure in December
Dexter, MO

Average pressure in December - Dexter, 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).

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Average wind speed in December
Dexter, MO

Average wind speed in December - Dexter, MO
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in December
Dexter, MO

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

The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in December
Dexter, MO

Average rainfall in December - Dexter, MO
  • Average rainfall in December: 0.51"

The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is September (0.47").

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Average rainfall days in December
Dexter, MO

Average rainfall days in December - Dexter, MO
  • Average rainfall days in December: 6.2 days

The month with the highest number of rainy days is July (12.5 days).
The month with the least rainy days is January (5.3 days).

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Average snowfall in December
Dexter, MO

Average snowfall in December - Dexter, MO
  • Average snowfall in December: 0.08"

The month with the highest snowfall is February (0.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Dexter, MO

Average snowfall days in December - Dexter, MO
  • Average snowfall days in December: 1.1 days

The month with the highest number of snowfall days is February (2 days).
The 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
Dexter, MO

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

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

  • Average sunshine in December: 5h and 0min

The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in December
Dexter, MO

Average sunshine days in December - Dexter, MO
  • Average sunshine days in December: 23.4 days

The month with the most sunshine days is December (23.4 days).
The month with the least sunshine days is May (15.7 days).

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Average UV index in December
Dexter, MO

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

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Average cloud cover in December
Dexter, MO

Average cloud cover in December - Dexter, MO
  • Average cloud cover in December: 45

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 25).

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Average visibility in December
Dexter, MO

Average visibility in December - Dexter, 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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Dexter, Missouri, USA

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