December weather forecast
Oswego, TN

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Weather in December

December, the first month of the winter in Oswego, is also a frosty month, with temperature in the range of an average low of 33.3°F (0.7°C) and an average high of 46.4°F (8°C).

Temperature

Oswego records a mild change in average high-temperature during December, easing from a fresh 54.5°F (12.5°C) in November to a chilly 46.4°F (8°C). Oswego anticipates an average minimum temperature of 33.3°F (0.7°C) in the month of December.

Humidity

February and December, with an average relative humidity of 81%, are the most humid months.

Rainfall

In Oswego, in December, it is raining for 14.3 days, with typically 3.7" (94mm) of accumulated precipitation. In Oswego, Tennessee, during the entire year, the rain falls for 185.9 days and collects up to 42.28" (1074mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Oswego, in December, snow falls for 6 days, with typically accumulated 2.01" (51mm) of snow. In Oswego, during the entire year, snow falls for 30.3 days and aggregates up to 10.71" (272mm) 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 the month, sunrise is at 7:30 am and sunset at 5:21 pm. On the last day of December, in Oswego, sunrise is at 7:48 am and sunset at 5:31 pm EST.

Sunshine

In December, the average sunshine in Oswego is 4.6h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 2 during December translates into these guidelines:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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Frequently asked questions

What is the average December temperature in Oswego?

The high-temperature, in December, in Oswego, records 46.4°F (8°C), while the low-temperature is 33.3°F (0.7°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 95°F (35°C).

What are the most humid months in Oswego?

The months with the highest humidity are February and December, with an average relative humidity of 81%.

What is the average humidity in December in Oswego?

The average relative humidity in December is 81%.

How many days does it rain in December in Oswego?

In Oswego, in December, it is raining for 14.3 days, with typically 3.7" (94mm) of accumulated precipitation.

How much does it snow in Oswego in December?

In December, in Oswego, Tennessee, it is snowing for 6 days. Throughout December, 2.01" (51mm) of snow is accumulated.

What is the month with the shortest days in Oswego?

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

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

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

What time are sunrise and sunset in December in Oswego?

On the first day of December in Oswego, Tennessee, sunrise is at 7:30 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:31 pm EST.

How long on average sun shines in December in Oswego?

The average sunshine duration in December is 4.6h.

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

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Oswego, Tennessee.

What is the UV index reading in December in Oswego?

The average daily maximum UV index in December in Oswego is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
Oswego, TN

Average temperature in December - Oswego, TN
  • Average high temperature in December: 46.4°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (41.7°F).

  • Average low temperature in December: 33.3°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).

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Average pressure in December
Oswego, TN

Average pressure in December - Oswego, TN
  • Average pressure in December: 30.14"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in December
Oswego, TN

Average wind speed in December - Oswego, TN
  • Average wind speed in December: 5.7mph

The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average humidity in December
Oswego, TN

Average humidity in December - Oswego, TN
  • Average humidity in December: 81%

The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are June and August (77%).

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Average rainfall in December
Oswego, TN

Average rainfall in December - Oswego, TN
  • Average rainfall in December: 3.7"

The wettest month (with the highest rainfall) is February (4.65").
The driest month (with the least rainfall) is September (2.44").

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Average rainfall days in December
Oswego, TN

Average rainfall days in December - Oswego, TN
  • Average rainfall days in December: 14.3 days

The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (10.5 days).

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Average snowfall in December
Oswego, TN

Average snowfall in December - Oswego, TN
  • Average snowfall in December: 2.01"

The month with the highest snowfall is February (3.39").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Oswego, TN

Average snowfall days in December - Oswego, TN
  • Average snowfall days in December: 6 days

The month with the highest number of snowfall days is January (9.1 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
Oswego, TN

Average daylight in December / Average sunshine in December - Oswego, TN
  • 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: 4h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

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Average sunshine days in December
Oswego, TN

Average sunshine days in December - Oswego, TN
  • Average sunshine days in December: 12.5 days

The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is July (8.8 days).

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Average UV index in December
Oswego, TN

Average UV index in December - Oswego, TN
  • Average UV index in December: 2

The months with the highest UV index are May, June and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in December
Oswego, TN

Average cloud cover in December - Oswego, TN
  • Average cloud cover in December: 55

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 33).

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Average visibility in December
Oswego, TN

Average visibility in December - Oswego, TN
  • Average visibility in December: 5mi

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

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Oswego, Tennessee, USA

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