December weather forecast
Cedar Lake, IN

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Weather in December

The first month of the winter, December, is still a cold month in Cedar Lake, Indiana, with an average temperature fluctuating between 36°F (2.2°C) and 26.2°F (-3.2°C).

Temperature

December's arrival coincides with a drop in the average high-temperature, decreasing from November's chilly 47.1°F (8.4°C) to a cold 36°F (2.2°C). Throughout the month of December, the nighttime temperature dips to an average of 26.2°F (-3.2°C).

Humidity

In December, the average relative humidity is 81%.

Rainfall

In Cedar Lake, Indiana, in December, during 7.4 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 143.5 rainfall days, and 21.02" (534mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Cedar Lake are January through April, November and December. In December, in Cedar Lake, Indiana, it is snowing for 9 days. Throughout December, 1.57" (40mm) of snow is accumulated. Throughout the year, there are 43.3 snowfall days, and 10.43" (265mm) of snow is accumulated.

Daylight

The month with the shortest days in Cedar Lake is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 6:56 am and sunset at 4:21 pm. On the last day of December, in Cedar Lake, sunrise is at 7:15 am and sunset at 4:30 pm CST.

Sunshine

In December, the average sunshine is 4.1h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Frequently asked questions

How cold is it in Cedar Lake in December?

In December, in Cedar Lake, the average high-temperature is 36°F (2.2°C), and the average low-temperature is 26.2°F (-3.2°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 87.8°F (31°C).

What is the average humidity in December in Cedar Lake?

In Cedar Lake, the average relative humidity in December is 81%.

How much does it rain in Cedar Lake in December?

In Cedar Lake, in December, during 7.4 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

How much does it snow in Cedar Lake in December?

In Cedar Lake, during December, snow falls for 9 days and regularly aggregates up to 1.57" (40mm) of snow.

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

The month with the shortest days in Cedar Lake is December, with an average of 9h and 12min of daylight.

What is the average length of the day in December in Cedar Lake?

The average day length in December is 9h and 15min.

What time are sunrise and sunset in December in Cedar Lake?

In December, on the first day of the month, sunrise is at 6:56 am and sunset at 4:21 pm. On the last day of the month, in Cedar Lake, sunrise is at 7:15 am and sunset at 4:30 pm CST.

How long on average sun shines in December in Cedar Lake?

In Cedar Lake, Indiana, the average sunshine duration in December is 4.1h.

When is the lowest UV index in Cedar Lake?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Cedar Lake, Indiana.

What is the UV index reading in December in Cedar Lake?

In Cedar Lake, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Cedar Lake, IN

Average temperature in December - Cedar Lake, IN
  • Average high temperature in December: 36°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in December: 26.2°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in December
Cedar Lake, IN

Average pressure in December - Cedar Lake, IN
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Cedar Lake, IN

Average wind speed in December - Cedar Lake, IN
  • Average wind speed in December: 9.5mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in December
Cedar Lake, IN

Average humidity in December - Cedar Lake, IN
  • Average humidity in December: 81%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in December
Cedar Lake, IN

Average rainfall in December - Cedar Lake, IN
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is May (2.83").
The driest months (with the least rainfall) are February and November (0.98").

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Average rainfall days in December
Cedar Lake, IN

Average rainfall days in December - Cedar Lake, IN
  • Average rainfall days in December: 7.4 days

The month with the highest number of rainy days is July (17.6 days).
The months with the least rainy days are January and February (5.3 days).

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Average snowfall in December
Cedar Lake, IN

Average snowfall in December - Cedar Lake, IN
  • Average snowfall in December: 1.57"

The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Cedar Lake, IN

Average snowfall days in December - Cedar Lake, IN
  • Average snowfall days in December: 9 days

The month with the highest number of snowfall days is January (11.7 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
Cedar Lake, IN

Average daylight in December / Average sunshine in December - Cedar Lake, IN
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 4h and 1min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in December
Cedar Lake, IN

Average sunshine days in December - Cedar Lake, IN
  • Average sunshine days in December: 16.1 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (10.5 days).

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Average UV index in December
Cedar Lake, IN

Average UV index in December - Cedar Lake, IN
  • Average UV index in December: 1

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

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Average cloud cover in December
Cedar Lake, IN

Average cloud cover in December - Cedar Lake, IN
  • Average cloud cover in December: 59

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in December
Cedar Lake, IN

Average visibility in December - Cedar Lake, IN
  • Average visibility in December: 6mi

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

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Cedar Lake, Indiana, USA

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