December weather forecast
Mount Healthy, IN

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Weather in December

The first month of the winter, December, is also an icy month in Mount Healthy, Indiana, with an average temperature varying between 41.9°F (5.5°C) and 30.4°F (-0.9°C).

Temperature

Mount Healthy's December weather shows a moderate shift in high-temperatures, falling from November's fresh 51.4°F (10.8°C) to an icy 41.9°F (5.5°C). Mount Healthy, in December, witnesses an average low-temperature of 30.4°F (-0.9°C).

Humidity

The most humid month is December, with an average relative humidity of 81%.

Rainfall

In Mount Healthy, during December, the rain falls for 11.2 days and regularly aggregates up to 2.44" (62mm) of precipitation. In Mount Healthy, during the entire year, the rain falls for 163.7 days and collects up to 33.11" (841mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In December, it is snowing for 7.2 days. Throughout December, 1.81" (46mm) of snow is accumulated. In Mount Healthy, during the entire year, snow falls for 32.7 days and aggregates up to 9.69" (246mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:44 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 5:31 pm EST.

Sunshine

January and December, with an average of 4.1h of sunshine, are months with the least sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.

Frequently asked questions

How cold is it in December?

In Mount Healthy, 41.9°F (5.5°C) is the average high-temperature and 30.4°F (-0.9°C) is the average low-temperature during December. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is evaluated at 93.2°F (34°C).

What is the most humid month?

December is the most humid month, with an average relative humidity of 81%.

What is the average humidity in December?

In Mount Healthy, the average relative humidity in December is 81%.

How many days does it rain in December?

In Mount Healthy, during December, the rain falls for 11.2 days and regularly aggregates up to 2.44" (62mm) of precipitation.

How many days does it snow in December?

In Mount Healthy, during December, snow falls for 7.2 days and regularly aggregates up to 1.81" (46mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

How many hours of daylight does Mount Healthy have in December?

In December, the average day length is 9h and 29min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:44 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 5:31 pm EST.

What are the months with the least sunshine?

January and December, with an average of 4.1h of sunshine, are months with the least sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 4.1h.

What are the months with the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents 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
Mount Healthy, IN

Average temperature in December - Mount Healthy, IN
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in December: 30.4°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in December
Mount Healthy, IN

Average pressure in December - Mount Healthy, IN
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Mount Healthy, IN

Average wind speed in December - Mount Healthy, IN
  • Average wind speed in December: 7.6mph

The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in December
Mount Healthy, IN

Average humidity in December - Mount Healthy, IN
  • Average humidity in December: 81%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Mount Healthy, IN

Average rainfall in December - Mount Healthy, IN
  • Average rainfall in December: 2.44"

The wettest month (with the highest rainfall) is April (3.82").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in December
Mount Healthy, IN

Average rainfall days in December - Mount Healthy, IN
  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (9.9 days).

Average snowfall in December
Mount Healthy, IN

Average snowfall in December - Mount Healthy, IN
  • Average snowfall in December: 1.81"

The month with the highest snowfall is February (2.72").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Mount Healthy, IN

Average snowfall days in December - Mount Healthy, IN
  • Average snowfall days in December: 7.2 days

The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Mount Healthy, IN

Average daylight in December / Average sunshine in December - Mount Healthy, IN
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).

Average sunshine days in December
Mount Healthy, IN

Average sunshine days in December - Mount Healthy, IN
  • Average sunshine days in December: 13.5 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.6 days).

Average UV index in December
Mount Healthy, IN

Average UV index in December - Mount Healthy, IN
  • Average UV index in December: 2

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

Average cloud cover in December
Mount Healthy, IN

Average cloud cover in December - Mount Healthy, IN
  • Average cloud cover in December: 56

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Mount Healthy, IN

Average visibility in December - Mount Healthy, IN
  • Average visibility in December: 5mi

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

Mount Healthy, Indiana, USA

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