December weather forecast
Round Grove, IN

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Weather in December

December, the first month of the winter in Round Grove, is also a wintry month, with an average temperature ranging between min 27.1°F (-2.7°C) and max 37.6°F (3.1°C).

Temperature

Setting in of December comes with a decrease in the average high-temperature, moving from a frosty 48.2°F (9°C) in November to a wintry 37.6°F (3.1°C). During December, Round Grove experiences a consistent low-temperature average of 27.1°F (-2.7°C).

Humidity

In December, the average relative humidity is 81%.

Rainfall

In Round Grove, in December, during 7.4 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Round Grove, Indiana, during the entire year, the rain falls for 130.9 days and collects up to 18.23" (463mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Round Grove, in December, snow falls for 4.7 days, with typically accumulated 1.18" (30mm) of snow. Throughout the year, there are 28.3 snowfall days, and 7.36" (187mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of December in Round Grove, sunrise is at 7:53 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 5:31 pm EST.

Sunshine

In Round Grove, the average sunshine in December is 4.3h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.
Note: A maximum high UV index of 1 in December translates into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

How cold does it get in Round Grove in December?

The average high-temperature, in December, in Round Grove, is 37.6°F (3.1°C), while the average low-temperature is 27.1°F (-2.7°C). In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 87.8°F (31°C).

What is the average humidity in December in Round Grove?

In December, the average relative humidity is 81%.

How many days does it rain in December in Round Grove?

In Round Grove, during December, the rain falls for 7.4 days and regularly aggregates up to 0.98" (25mm) of precipitation.

How many days does it snow in December in Round Grove?

In Round Grove, in December, during 4.7 snowfall days, 1.18" (30mm) of snow is typically accumulated.

What is the month with the shortest days in Round Grove?

The month with the shortest days in Round Grove is December, with an average of 9h and 18min of daylight.

What is the average length of the day in December in Round Grove?

The average day length in December in Round Grove is 9h and 20min.

What time are sunrise and sunset in December in Round Grove?

In December, on the first day of the month, sunrise is at 7:53 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 5:31 pm EST.

How long on average sun shines in December in Round Grove?

In December, the average sunshine duration is 4.3h.

When is the lowest UV index in Round Grove?

December is the month with the lowest UV index in Round Grove, Indiana, with an average maximum UV index of 1.

How high is the UV index in December in Round Grove?

In Round Grove, Indiana, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a low health threat 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
Round Grove, IN

Average temperature in December - Round Grove, IN
  • Average high temperature in December: 37.6°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.1°F).

  • Average low temperature in December: 27.1°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

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Average pressure in December
Round Grove, IN

Average pressure in December - Round Grove, IN
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Round Grove, IN

Average wind speed in December - Round Grove, IN
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity in December
Round Grove, IN

Average humidity in December - Round Grove, IN
  • Average humidity in December: 81%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in December
Round Grove, IN

Average rainfall in December - Round Grove, IN
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is May (2.36").
The driest months (with the least rainfall) are February and November (0.94").

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Average rainfall days in December
Round Grove, IN

Average rainfall days in December - Round Grove, IN
  • Average rainfall days in December: 7.4 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (5.1 days).

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Average snowfall in December
Round Grove, IN

Average snowfall in December - Round Grove, IN
  • Average snowfall in December: 1.18"

The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Round Grove, IN

Average snowfall days in December - Round Grove, IN
  • Average snowfall days in December: 4.7 days

The month with the highest number of snowfall days is January (9 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
Round Grove, IN

Average daylight in December / Average sunshine in December - Round Grove, IN
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in December
Round Grove, IN

Average sunshine days in December - Round Grove, IN
  • Average sunshine days in December: 19.8 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is July (11.7 days).

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Average UV index in December
Round Grove, IN

Average UV index in December - Round Grove, IN
  • 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
Round Grove, IN

Average cloud cover in December - Round Grove, IN
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are June, August and September (Cloud cover 34).

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Average visibility in December
Round Grove, IN

Average visibility in December - Round Grove, IN
  • Average visibility in December: 6mi

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

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Round Grove, Indiana, USA

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