December weather forecast
New Harmony, OH

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Weather in December

The first month of the winter, December, is also an icy month in New Harmony, Ohio, with an average temperature fluctuating between 30.6°F (-0.8°C) and 41.4°F (5.2°C).

Temperature

New Harmony in December demonstrates a small temperature transition, adjusting from an average high of a cool 50.9°F (10.5°C) in November to an icy 41.4°F (5.2°C). In New Harmony, the average temperature during the nights of December drops to a subzero cold 30.6°F (-0.8°C).

Humidity

The months with the highest humidity are February and December, with an average relative humidity of 82%.

Rainfall

In New Harmony, during December, the rain falls for 11.4 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, in New Harmony, there are 138.6 rainfall days, and 17.24" (438mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in New Harmony. In New Harmony, in December, during 6.5 snowfall days, 0.94" (24mm) of snow is typically accumulated. Throughout the year, there are 27.3 snowfall days, and 5.71" (145mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December in New Harmony, Ohio, sunrise is at 7:36 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 5:23 pm EST.

Sunshine

The average sunshine in December in New Harmony is 4h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: A daily high UV index of 1 in December leads to these guidelines:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Frequently asked questions

How cold is it in New Harmony in December?

The high-temperature, in December, in New Harmony, records 41.4°F (5.2°C), while the low-temperature is 30.6°F (-0.8°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in August is appraised at 89.6°F (32°C).

What are the most humid months in New Harmony?

The months with the highest humidity in New Harmony are February and December, with an average relative humidity of 82%.

What is the average humidity in December in New Harmony?

In December, the average relative humidity in New Harmony is 82%.

How many days does it rain in December in New Harmony?

In December, the rain falls for 11.4 days. Throughout December, 1.46" (37mm) of precipitation is accumulated.

How much does it snow in New Harmony in December?

In December, it is snowing for 6.5 days. Throughout December, 0.94" (24mm) of snow is accumulated.

What is the month with the shortest days in New Harmony?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

What is the average length of the day in December in New Harmony?

In New Harmony, Ohio, the average day length in December is 9h and 29min.

When are sunrise and sunset in December in New Harmony?

In December, on the first day of the month, sunrise is at 7:36 am and sunset at 5:14 pm. On the last day of the month, in New Harmony, Ohio, sunrise is at 7:54 am and sunset at 5:23 pm EST.

How many hours of sunshine does New Harmony have in December?

In December, the average sunshine duration in New Harmony, Ohio, is 4h.

What is the month with the lowest UV index in New Harmony?

December is the month with the lowest UV index in New Harmony, Ohio, with an average maximum UV index of 1.

What is the UV index reading in December in New Harmony?

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a low health risk from unsafe 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
New Harmony, OH

Average temperature in December - New Harmony, OH
  • Average high temperature in December: 41.4°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in December: 30.6°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 (23.4°F).

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Average pressure in December
New Harmony, OH

Average pressure in December - New Harmony, OH
  • Average pressure in December: 30.13"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
New Harmony, OH

Average wind speed in December - New Harmony, OH
  • Average wind speed in December: 8.5mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in December
New Harmony, OH

Average humidity in December - New Harmony, OH
  • Average humidity in December: 82%

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in December
New Harmony, OH

Average rainfall in December - New Harmony, OH
  • Average rainfall in December: 1.46"

The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is September (0.91").

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Average rainfall days in December
New Harmony, OH

Average rainfall days in December - New Harmony, OH
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (7.5 days).

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Average snowfall in December
New Harmony, OH

Average snowfall in December - New Harmony, OH
  • Average snowfall in December: 0.94"

The month with the highest snowfall is March (1.61").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
New Harmony, OH

Average snowfall days in December - New Harmony, OH
  • Average snowfall days in December: 6.5 days

The month with the highest number of snowfall days is January (6.8 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
New Harmony, OH

Average daylight in December / Average sunshine in December - New Harmony, OH
  • 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 0min

The months with the most sunshine are June, July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in December
New Harmony, OH

Average sunshine days in December - New Harmony, OH
  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is May (12.8 days).

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Average UV index in December
New Harmony, OH

Average UV index in December - New Harmony, OH
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
New Harmony, OH

Average cloud cover in December - New Harmony, OH
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in December
New Harmony, OH

Average visibility in December - New Harmony, OH
  • Average visibility in December: 6mi

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

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New Harmony, Ohio, USA

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