December weather forecast
Triplett, MO

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Weather in December

The first month of the winter, December, is still a cold month in Triplett, Missouri, with an average temperature ranging between min 27°F (-2.8°C) and max 40.1°F (4.5°C).

Temperature

Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a fresh 52°F (11.1°C) to a cold 40.1°F (4.5°C). Triplett in December anticipates an average nighttime temperature of 27°F (-2.8°C).

Humidity

The average relative humidity in December is 77%.

Rainfall

In December, the rain falls for 5.5 days. Throughout December, 1.34" (34mm) of precipitation is accumulated. Throughout the year, there are 134.1 rainfall days, and 28.62" (727mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Triplett, in December, during 2.9 snowfall days, 1.14" (29mm) of snow is typically accumulated. Throughout the year, there are 18.1 snowfall days, and 9.76" (248mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:14 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:32 am and sunset at 4:59 pm CST.

Sunshine

In Triplett, the average sunshine in December is 5.1h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Triplett. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be advised! The UV radiation from the Sun can be almost doubled due to 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 is it in Triplett in December?

The high-temperature, in December, in Triplett, is 40.1°F (4.5°C), while the low-temperature averages to 27°F (-2.8°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 93.2°F (34°C).

What is the average humidity in December?

In December, the average relative humidity is 77%.

How many days does it rain in December?

In December, the rain falls for 5.5 days. Throughout December, 1.34" (34mm) of precipitation is accumulated.

How much does it snow in December?

In Triplett, in December, snow falls for 2.9 days, with typically accumulated 1.14" (29mm) of snow.

What is the month with the shortest days in Triplett?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

How many hours of daylight does Triplett have in December?

In Triplett, the average day length in December is 9h and 26min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:14 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:59 pm CST.

How many hours of sunshine does Triplett have in December?

The average sunshine duration in December is 5.1h.

What are the months with the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December in Triplett is 2. A UV Index estimate of 2, and below, represents 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
Triplett, MO

Average temperature in December - Triplett, MO
  • Average high temperature in December: 40.1°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in December: 27°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in December
Triplett, MO

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

Average wind speed in December
Triplett, MO

Average wind speed in December - Triplett, MO
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity in December
Triplett, MO

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

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
Triplett, MO

Average rainfall in December - Triplett, MO
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in December
Triplett, MO

Average rainfall days in December - Triplett, MO
  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (5.2 days).

Average snowfall in December
Triplett, MO

Average snowfall in December - Triplett, MO
  • Average snowfall in December: 1.14"

The month with the highest snowfall is February (3.35").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Triplett, MO

Average snowfall days in December - Triplett, MO
  • Average snowfall days in December: 2.9 days

The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Triplett, MO
  • Average daylight in December: 9h and 2min

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 24min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in December
Triplett, MO

Average sunshine days in December - Triplett, MO
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is May (11.6 days).

Average UV index in December
Triplett, MO

Average UV index in December - Triplett, 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
Triplett, MO

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

The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in December
Triplett, MO

Average visibility in December - Triplett, 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).

Triplett, Missouri, USA

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