December weather forecast
Corunna, IN

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Weather in December

December, the first month of the winter in Corunna, is also an icy month, with an average temperature fluctuating between 35.2°F (1.8°C) and 25.7°F (-3.5°C).

Temperature

Stepping into December, Corunna observes a temperature decline, with the average high falling from November's chilly 46.4°F (8°C) to a cold 35.2°F (1.8°C). Corunna experiences an average low-temperature reading of 25.7°F (-3.5°C) throughout December.

Humidity

In Corunna, Indiana, the average relative humidity in December is 84%.

Rainfall

December is the month with the least rainfall. Rain falls for 10.1 days and accumulates 1.57" (40mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Corunna. In Corunna, Indiana, during December, snow falls for 12.1 days and regularly aggregates up to 2.64" (67mm) of snow. In Corunna, during the entire year, snow falls for 56 days and aggregates up to 15.51" (394mm) of snow.

Daylight

The month with the shortest days in Corunna is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:48 am and sunset at 5:11 pm. On the last day of December, sunrise is at 8:06 am and sunset at 5:21 pm EST.

Sunshine

The average sunshine in December in Corunna is 3.6h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index in Corunna. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 1 during December leads to these instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

How cold is it in Corunna in December?

The average high-temperature, in December, in Corunna, is 35.2°F (1.8°C), while the average low-temperature is 25.7°F (-3.5°C).

What is the average humidity in December in Corunna?

In Corunna, the average relative humidity in December is 84%.

What is the driest month in Corunna?

December is the month with the least rainfall in Corunna, Indiana. Rain falls for 10.1 days and accumulates 1.57" (40mm) of precipitation.

How much does it rain in Corunna in December?

In Corunna, in December, during 10.1 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

How much does it snow in Corunna in December?

In Corunna, Indiana, during December, snow falls for 12.1 days and regularly aggregates up to 2.64" (67mm) of snow.

What is the month with the shortest days in Corunna?

With an average of 9h and 12min of daylight, December has the shortest days of the year in Corunna.

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

In Corunna, Indiana, the average day length in December is 9h and 14min.

When is the sunrise / sunset in December in Corunna?

In December, on the first day of the month, sunrise is at 7:48 am and sunset at 5:11 pm. On the last day of the month, in Corunna, sunrise is at 8:06 am and sunset at 5:21 pm EST.

How long on average sun shines in December in Corunna?

In December, the average sunshine duration in Corunna, Indiana, is 3.6h.

When is the lowest UV index in Corunna?

The month with the lowest UV index in Corunna is December, with an average maximum UV index of 1.

How high is the UV index in December in Corunna?

In Corunna, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Corunna, IN

Average temperature in December - Corunna, IN
  • Average high temperature in December: 35.2°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in December: 25.7°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in December
Corunna, IN

Average pressure in December - Corunna, IN
  • Average pressure in December: 30.09"Hg

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

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Average wind speed in December
Corunna, IN

Average wind speed in December - Corunna, IN
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in December
Corunna, IN

Average humidity in December - Corunna, IN
  • Average humidity in December: 84%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in December
Corunna, IN

Average rainfall in December - Corunna, IN
  • Average rainfall in December: 1.57"

The wettest months (with the highest rainfall) are April and May (3.66").
The driest month (with the least rainfall) is December (1.57").

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Average rainfall days in December
Corunna, IN

Average rainfall days in December - Corunna, IN
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (7.2 days).

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Average snowfall in December
Corunna, IN

Average snowfall in December - Corunna, IN
  • Average snowfall in December: 2.64"

The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Corunna, IN

Average snowfall days in December - Corunna, IN
  • Average snowfall days in December: 12.1 days

The month with the highest number of snowfall days is January (15.1 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
Corunna, IN

Average daylight in December / Average sunshine in December - Corunna, 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: 3h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

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Average sunshine days in December
Corunna, IN

Average sunshine days in December - Corunna, IN
  • Average sunshine days in December: 11.5 days

The months with the most sunshine days are September, October and November (14.7 days).
The month with the least sunshine days is February (9.4 days).

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Average UV index in December
Corunna, IN

Average UV index in December - Corunna, IN
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Corunna, IN

Average cloud cover in December - Corunna, IN
  • Average cloud cover in December: 63

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in December
Corunna, IN

Average visibility in December - Corunna, IN
  • Average visibility in December: 6mi

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

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Corunna, Indiana, USA

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