December weather forecast
Miamisburg, OH

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Weather in December

The first month of the winter, December, is also an icy month in Miamisburg, Ohio, with an average temperature ranging between min 29.3°F (-1.5°C) and max 39.9°F (4.4°C).

Temperature

A moderate decline in the average high-temperature is seen during December, decreasing from a chilly 49.6°F (9.8°C) in November to a wintry 39.9°F (4.4°C). During December in Miamisburg, the average low-temperature is recorded at a freezing cold 29.3°F (-1.5°C).

Humidity

In December, the average relative humidity is 81%.

Rainfall

In Miamisburg, Ohio, during December, the rain falls for 9.8 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, there are 139.3 rainfall days, and 19.92" (506mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Miamisburg, in December, snow falls for 6.3 days, with typically accumulated 1.61" (41mm) of snow. In Miamisburg, during the entire year, snow falls for 29.2 days and aggregates up to 7.44" (189mm) of snow.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year in Miamisburg, Ohio.
On the first day of December in Miamisburg, sunrise is at 7:39 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 5:23 pm EST.

Sunshine

The average sunshine in December in Miamisburg is 4.1h.

UV index

The months with the lowest UV index in Miamisburg are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 2 in December translates into these instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

Is December cold in Miamisburg?

In Miamisburg, 39.9°F (4.4°C) is the average high-temperature and 29.3°F (-1.5°C) is the average low-temperature during December. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is evaluated at 86°F (30°C).

What is the average humidity in December in Miamisburg?

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

How much does it rain in Miamisburg in December?

In Miamisburg, in December, it is raining for 9.8 days, with typically 1.57" (40mm) of accumulated precipitation.

How much does it snow in Miamisburg in December?

In December, it is snowing for 6.3 days. Throughout December, 1.61" (41mm) of snow is accumulated.

What is the month with the shortest days in Miamisburg?

December has the shortest days of the year in Miamisburg, with an average of 9h and 24min of daylight.

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

In Miamisburg, Ohio, the average day length in December is 9h and 25min.

When is the sunrise / sunset in December in Miamisburg?

In December, on the first day of the month, sunrise is at 7:39 am and sunset at 5:13 pm. On the last day of the month, in Miamisburg, Ohio, sunrise is at 7:57 am and sunset at 5:23 pm EST.

How long on average sun shines in December in Miamisburg?

The average sunshine duration in December in Miamisburg is 4.1h.

What is the month with the lowest UV index in Miamisburg?

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

What is the UV index reading in December in Miamisburg?

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 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
Miamisburg, OH

Average temperature in December - Miamisburg, OH
  • Average high temperature in December: 39.9°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 (34°F).

  • Average low temperature in December: 29.3°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

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Average pressure in December
Miamisburg, OH

Average pressure in December - Miamisburg, OH
  • Average pressure in December: 30.12"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Miamisburg, OH

Average wind speed in December - Miamisburg, OH
  • Average wind speed in December: 9mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in December
Miamisburg, OH

Average humidity in December - Miamisburg, OH
  • Average humidity in December: 81%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in December
Miamisburg, OH

Average rainfall in December - Miamisburg, OH
  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is October (1.18").

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Average rainfall days in December
Miamisburg, OH

Average rainfall days in December - Miamisburg, OH
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (7.4 days).

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Average snowfall in December
Miamisburg, OH

Average snowfall in December - Miamisburg, OH
  • Average snowfall in December: 1.61"

The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Miamisburg, OH

Average snowfall days in December - Miamisburg, OH
  • Average snowfall days in December: 6.3 days

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Miamisburg, OH

Average daylight in December / Average sunshine in December - Miamisburg, OH
  • Average daylight in December: 9h and 2min

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 24min).

  • Average sunshine in December: 4h and 1min

The months with the most sunshine are June and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in December
Miamisburg, OH

Average sunshine days in December - Miamisburg, OH
  • Average sunshine days in December: 15.4 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (12 days).

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Average UV index in December
Miamisburg, OH

Average UV index in December - Miamisburg, OH
  • Average UV index in December: 2

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

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Average cloud cover in December
Miamisburg, OH

Average cloud cover in December - Miamisburg, OH
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in December
Miamisburg, OH

Average visibility in December - Miamisburg, OH
  • Average visibility in December: 6mi

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

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Miamisburg, Ohio, USA

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