December weather forecast
Tecumseh, OK

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Weather in December

The first month of the winter, December, is still a chilly month in Tecumseh, Oklahoma, with an average temperature fluctuating between 49.5°F (9.7°C) and 34.7°F (1.5°C).

Temperature

December comes with a drop in the average high-temperature, falling from November's refreshing 59.9°F (15.5°C) to a chilly 49.5°F (9.7°C). Nighttime temperatures in December average to a wintry 34.7°F (1.5°C) in Tecumseh.

Humidity

In Tecumseh, the average relative humidity in December is 67%.

Rainfall

In December, the rain falls for 6.3 days. Throughout December, 1.22" (31mm) of precipitation is accumulated. In Tecumseh, Oklahoma, during the entire year, the rain falls for 123.4 days and collects up to 25.87" (657mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In December, in Tecumseh, it is snowing for 1.4 days. Throughout December, 0.67" (17mm) of snow is accumulated. Throughout the year, in Tecumseh, Oklahoma, there are 6.5 snowfall days, and 3.66" (93mm) of snow is accumulated.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year in Tecumseh.
On the first day of December, sunrise is at 7:18 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:25 pm CST.

Sunshine

With an average of 5.9h of sunshine, December has the least sunshine of the year in Tecumseh.

UV index

December is the month with the lowest UV index in Tecumseh, Oklahoma, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

What is the temperature in December in Tecumseh?

The average high-temperature, in December, in Tecumseh, is 49.5°F (9.7°C), while the average low-temperature is 34.7°F (1.5°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is evaluated at 89.6°F (32°C).

What is the average humidity in December in Tecumseh?

In December, the average relative humidity in Tecumseh, Oklahoma, is 67%.

How many days does it rain in December in Tecumseh?

In Tecumseh, during December, the rain falls for 6.3 days and regularly aggregates up to 1.22" (31mm) of precipitation.

How much does it snow in Tecumseh in December?

In Tecumseh, during December, snow falls for 1.4 days and regularly aggregates up to 0.67" (17mm) of snow.

What is the month with the shortest days in Tecumseh?

December has the shortest days of the year in Tecumseh, Oklahoma, with an average of 9h and 48min of daylight.

How many hours of daylight does Tecumseh have in December?

The average day length in December in Tecumseh is 9h and 50min.

When is the sunrise / sunset in December in Tecumseh?

On the first day of December in Tecumseh, sunrise is at 7:18 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:25 pm CST.

What is the month with the least sunshine in Tecumseh?

With an average of 5.9h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December in Tecumseh?

The average sunshine duration in December is 5.9h.

When is the lowest UV index in Tecumseh?

With an average maximum UV index of 2, December is the month with the lowest UV index in Tecumseh.

What is the UV index intensity in December in Tecumseh?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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, OK

Average temperature in December - Tecumseh, OK
  • Average high temperature in December: 49.5°F

The warmest month (with the highest average high temperature) is August (92.3°F).
The month with the lowest average high temperature is January (48.6°F).

  • Average low temperature in December: 34.7°F

The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).

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Average pressure in December
Tecumseh, OK

Average pressure in December - Tecumseh, OK
  • 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 (29.88"Hg).

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Average wind speed in December
Tecumseh, OK

Average wind speed in December - Tecumseh, OK
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest months (with the lowest average wind speed) are July and August (7.9mph).

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Average humidity in December
Tecumseh, OK

Average humidity in December - Tecumseh, OK
  • Average humidity in December: 67%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (63%).

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Average rainfall in December
Tecumseh, OK

Average rainfall in December - Tecumseh, OK
  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is May (4.06").
The driest months (with the least rainfall) are January and February (1.18").

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Average rainfall days in December
Tecumseh, OK

Average rainfall days in December - Tecumseh, OK
  • Average rainfall days in December: 6.3 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (5.4 days).

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Average snowfall in December
Tecumseh, OK

Average snowfall in December - Tecumseh, OK
  • Average snowfall in December: 0.67"

The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Tecumseh, OK

Average snowfall days in December - Tecumseh, OK
  • Average snowfall days in December: 1.4 days

The month with the highest number of snowfall days is February (2.3 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
Tecumseh, OK

Average daylight in December / Average sunshine in December - Tecumseh, OK
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 5h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

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Average sunshine days in December
Tecumseh, OK

Average sunshine days in December - Tecumseh, OK
  • Average sunshine days in December: 22.9 days

The month with the most sunshine days is January (23.7 days).
The month with the least sunshine days is May (14.7 days).

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Average UV index in December
Tecumseh, OK

Average UV index in December - Tecumseh, OK
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in December
Tecumseh, OK

Average cloud cover in December - Tecumseh, OK
  • Average cloud cover in December: 33

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 19).

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Average visibility in December
Tecumseh, OK

Average visibility in December - Tecumseh, OK
  • 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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Tecumseh, Oklahoma, USA

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