December weather forecast
Tennyson, IN

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Weather in December

December, the first month of the winter in Tennyson, is still a chilly month, with an average temperature fluctuating between 32.9°F (0.5°C) and 43.7°F (6.5°C).

Temperature

The arrival of December indicates a decrease in the average high-temperature, moving from a fresh 53.4°F (11.9°C) in November to a frosty 43.7°F (6.5°C). December nights experience a consistent temperature drop to an icy 32.9°F (0.5°C).

Humidity

In December, the average relative humidity is 79%.

Rainfall

In December, the rain falls for 11.5 days. Throughout December, 3.11" (79mm) of precipitation is accumulated. Throughout the year, there are 172 rainfall days, and 40.91" (1039mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Tennyson, during December, snow falls for 4.1 days and regularly aggregates up to 1.02" (26mm) of snow. Throughout the year, there are 21.1 snowfall days, and 6.26" (159mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 36min of daylight.
On the first day of December, sunrise is at 6:46 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 4:39 pm CST.

Sunshine

The months with the least sunshine in Tennyson are January, February and December, with an average of 4.4h of sunshine.

UV index

The months with the lowest UV index in Tennyson are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

In December, the average high-temperature and low-temperature are 43.7°F (6.5°C) and 32.9°F (0.5°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in August is calculated to be 95°F (35°C).

What is the average humidity in December?

In December, the average relative humidity is 79%.

How many days does it rain in December?

In Tennyson, in December, during 11.5 rainfall days, 3.11" (79mm) of precipitation is typically accumulated.

How much does it snow in December?

In Tennyson, during December, snow falls for 4.1 days and regularly aggregates up to 1.02" (26mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 36min of daylight.

How many hours of daylight does Tennyson have in December?

The average day length in December in Tennyson is 9h and 34min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:46 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 4:39 pm CST.

What are the months with the least sunshine in Tennyson?

January, February and December, with an average of 4.4h of sunshine, are months with the least sunshine in Tennyson.

How long on average sun shines in December?

The average sunshine duration in December is 4.4h.

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 reading in December?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to 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
Tennyson, IN

Average temperature in December - Tennyson, IN
  • Average high temperature in December: 43.7°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 (38.8°F).

  • Average low temperature in December: 32.9°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 (26.8°F).

Average pressure in December
Tennyson, IN

Average pressure in December - Tennyson, IN
  • 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 (29.95"Hg).

Average wind speed in December
Tennyson, IN

Average wind speed in December - Tennyson, IN
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is February (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).

Average humidity in December
Tennyson, IN

Average humidity in December - Tennyson, IN
  • Average humidity in December: 79%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Tennyson, IN

Average rainfall in December - Tennyson, IN
  • Average rainfall in December: 3.11"

The wettest month (with the highest rainfall) is April (5.31").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in December
Tennyson, IN

Average rainfall days in December - Tennyson, IN
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is January (9.9 days).

Average snowfall in December
Tennyson, IN

Average snowfall in December - Tennyson, IN
  • Average snowfall in December: 1.02"

The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Tennyson, IN

Average snowfall days in December - Tennyson, IN
  • Average snowfall days in December: 4.1 days

The month with the highest number of snowfall days is January (6.5 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
Tennyson, IN

Average daylight in December / Average sunshine in December - Tennyson, IN
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 4h and 2min

The months with the most sunshine are June, July and August (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 24min).

Average sunshine days in December
Tennyson, IN

Average sunshine days in December - Tennyson, IN
  • Average sunshine days in December: 15.2 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is July (8.9 days).

Average UV index in December
Tennyson, IN

Average UV index in December - Tennyson, IN
  • 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
Tennyson, IN

Average cloud cover in December - Tennyson, IN
  • Average cloud cover in December: 52

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in December
Tennyson, IN

Average visibility in December - Tennyson, IN
  • 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).

Tennyson, Indiana, USA

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