December weather forecast
Tecumseh, MO

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Weather in December

The first month of the winter, December, is also a frosty month in Tecumseh, Missouri, with an average temperature fluctuating between 32.2°F (0.1°C) and 47.3°F (8.5°C).

Temperature

Onset of December comes with a temperature decline, the average high falling from a refreshing 56.5°F (13.6°C) in November to a frosty 47.3°F (8.5°C). Throughout December, Tecumseh encounters an average temperature drop to a cold 32.2°F (0.1°C).

Humidity

The average relative humidity in December is 76%.

Rainfall

In Tecumseh, Missouri, in December, during 7.8 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, in Tecumseh, there are 136.4 rainfall days, and 30.98" (787mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Tecumseh, in December, during 1.9 snowfall days, 1.1" (28mm) of snow is typically accumulated. In Tecumseh, during the entire year, snow falls for 12.7 days and aggregates up to 5.35" (136mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 7:03 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:03 pm CST.

Sunshine

The average sunshine in December is 5.3h.

UV index

January, February 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 minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Boost your sun resistance with garments that are densely woven yet spacious. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

An average high-temperature, in December, in Tecumseh, is 47.3°F (8.5°C) and the average low-temperature is 32.2°F (0.1°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 87.8°F (31°C).

What is the average humidity in December?

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

How much does it rain in Tecumseh in December?

In December, the rain falls for 7.8 days. Throughout December, 1.93" (49mm) of precipitation is accumulated.

How much does it snow in December?

In Tecumseh, during December, snow falls for 1.9 days and regularly aggregates up to 1.1" (28mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 42min of daylight.

How many hours of daylight does Tecumseh have in December?

In Tecumseh, the average day length in December is 9h and 43min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:03 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:03 pm CST.

How long on average sun shines in December?

The average sunshine duration in December is 5.3h.

When is the lowest UV index?

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 intensity in December?

In Tecumseh, 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
Tecumseh, MO

Average temperature in December - Tecumseh, MO
  • Average high temperature in December: 47.3°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in December: 32.2°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).

Average pressure in December
Tecumseh, MO

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

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Tecumseh, MO

Average wind speed in December - Tecumseh, MO
  • Average wind speed in December: 6.3mph

The windiest months (with the highest average wind speed) are January, February, March and April (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in December
Tecumseh, MO

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

The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July, August and October (73%).

Average rainfall in December
Tecumseh, MO

Average rainfall in December - Tecumseh, MO
  • Average rainfall in December: 1.93"

The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in December
Tecumseh, MO

Average rainfall days in December - Tecumseh, MO
  • Average rainfall days in December: 7.8 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (7.6 days).

Average snowfall in December
Tecumseh, MO

Average snowfall in December - Tecumseh, MO
  • Average snowfall in December: 1.1"

The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Tecumseh, MO

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

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Tecumseh, 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 2min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).

Average sunshine days in December
Tecumseh, MO

Average sunshine days in December - Tecumseh, MO
  • Average sunshine days in December: 20.4 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is May (12.7 days).

Average UV index in December
Tecumseh, MO

Average UV index in December - Tecumseh, 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
Tecumseh, MO

Average cloud cover in December - Tecumseh, MO
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 49).
The months with the least cloud cover are June and July (Cloud cover 30).

Average visibility in December
Tecumseh, MO

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

The months with the highest visibility are January, February, March, October, November and December (6mi).
The months with the lowest visibility are April, May, June, July, August and September (5mi).

Tecumseh, Missouri, USA

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