December weather forecast
Lake City, SD

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Weather in December

December, the first month of the winter in Lake City, is also a subzero cold month, with an average temperature varying between 12.6°F (-10.8°C) and 23.5°F (-4.7°C).

Temperature

The transition from November to December brings a clear temperature drop, with average high-temperatures decreasing from a wintry 39.6°F (4.2°C) to a subzero cold 23.5°F (-4.7°C). The temperature dips to an average of 12.6°F (-10.8°C) during December nights.

Humidity

The average relative humidity in December is 86%.

Rainfall

In Lake City, in December, it is raining for 3.4 days, with typically 0.94" (24mm) of accumulated precipitation. In Lake City, during the entire year, the rain falls for 107.9 days and collects up to 20.63" (524mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 11.5 days and typically aggregates up to 4.29" (109mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 42min of daylight.
On the first day of December, sunrise is at 7:50 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 4:55 pm CST.

Sunshine

In Lake City, the average sunshine in December is 4h.

UV index

December is the month with the lowest UV index in Lake City, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 1 in December translates into this advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Enhance your sun protection with tightly woven, yet airy clothing. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

How cold is it in Lake City in December?

In December, the average high-temperature and low-temperature in Lake City are 23.5°F (-4.7°C) and 12.6°F (-10.8°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in July is appraised at 86°F (30°C).

What is the average humidity in December in Lake City?

In December, the average relative humidity in Lake City, South Dakota, is 86%.

How much does it rain in Lake City in December?

In Lake City, South Dakota, in December, it is raining for 3.4 days, with typically 0.94" (24mm) of accumulated precipitation.

What is the snowiest month in Lake City?

The month with the most snowfall in Lake City is December, when snow falls for 11.5 days and typically aggregates up to 4.29" (109mm) of snow.

How much does it snow in Lake City in December?

In December, it is snowing for 11.5 days. Throughout December, 4.29" (109mm) of snow is accumulated.

What is the month with the shortest days in Lake City?

The month with the shortest days in Lake City is December, with an average of 8h and 42min of daylight.

How many hours of daylight does Lake City have in December?

The average day length in December in Lake City is 8h and 45min.

When are sunrise and sunset in December in Lake City?

On the first day of December, sunrise is at 7:50 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 4:55 pm CST.

How many hours of sunshine does Lake City have in December?

In December, the average sunshine duration in Lake City is 4h.

When is the lowest UV index in Lake City?

December is the month with the lowest UV index in Lake City, South Dakota, with an average maximum UV index of 1.

What is the UV index intensity in December in Lake City?

In Lake City, South Dakota, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health risk 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
Lake City, SD

Average temperature in December - Lake City, SD
  • Average high temperature in December: 23.5°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (19°F).

  • Average low temperature in December: 12.6°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

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Average pressure in December
Lake City, SD

Average pressure in December - Lake City, SD
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in December
Lake City, SD

Average wind speed in December - Lake City, SD
  • Average wind speed in December: 10.7mph

The windiest months (with the highest average wind speed) are April and October (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).

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Average humidity in December
Lake City, SD

Average humidity in December - Lake City, SD
  • Average humidity in December: 86%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is September (65%).

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Average rainfall in December
Lake City, SD

Average rainfall in December - Lake City, SD
  • Average rainfall in December: 0.94"

The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in December
Lake City, SD

Average rainfall days in December - Lake City, SD
  • Average rainfall days in December: 3.4 days

The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is February (1.6 days).

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Average snowfall in December
Lake City, SD

Average snowfall in December - Lake City, SD
  • Average snowfall in December: 4.29"

The month with the highest snowfall is December (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Lake City, SD

Average snowfall days in December - Lake City, SD
  • Average snowfall days in December: 11.5 days

The month with the highest number of snowfall days is December (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Lake City, SD

Average daylight in December / Average sunshine in December - Lake City, SD
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in December: 4h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in December
Lake City, SD

Average sunshine days in December - Lake City, SD
  • Average sunshine days in December: 17.6 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (10.8 days).

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Average UV index in December
Lake City, SD

Average UV index in December - Lake City, SD
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Lake City, SD

Average cloud cover in December - Lake City, SD
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 25).

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Average visibility in December
Lake City, SD

Average visibility in December - Lake City, SD
  • Average visibility in December: 6mi

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

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Lake City, South Dakota, USA

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