December weather forecast
Addyston, OH

Share

Weather in December

December, the first month of the winter in Addyston, is also an icy month, with an average temperature fluctuating between 30.4°F (-0.9°C) and 42.1°F (5.6°C).

Temperature

The start of December comes with a reduction in the average high-temperature, receding from a cool 51.4°F (10.8°C) in November to a cold 42.1°F (5.6°C). Throughout December, Addyston anticipates 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 Addyston, in December, during 11.1 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. In Addyston, during the entire year, the rain falls for 146.4 days and collects up to 23.58" (599mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In December, it is snowing for 6.9 days. Throughout December, 1.38" (35mm) of snow is accumulated. In Addyston, during the entire year, snow falls for 30.4 days and aggregates up to 7.76" (197mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:39 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 5:26 pm EST.

Sunshine

In Addyston, the average sunshine in December is 4.1h.

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 health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.

Frequently asked questions

How cold does it get in December?

In December, the average high-temperature and low-temperature are 42.1°F (5.6°C) and 30.4°F (-0.9°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is calculated to be 91.4°F (33°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?

The average relative humidity in December is 81%.

How much does it rain in December?

In December, the rain falls for 11.1 days. Throughout December, 1.81" (46mm) of precipitation is accumulated.

How many days does it snow in December?

In Addyston, during December, snow falls for 6.9 days and regularly aggregates up to 1.38" (35mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Addyston have in December?

In Addyston, the average day length in December is 9h and 28min.

When are sunrise and sunset in December?

On the first day of December in Addyston, sunrise is at 7:39 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 5:26 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.1h.

When is the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents 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
Addyston, OH

Average temperature in December - Addyston, OH
  • Average high temperature in December: 42.1°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in December: 30.4°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in December
Addyston, OH

Average pressure in December - Addyston, 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).

Average wind speed in December
Addyston, OH

Average wind speed in December - Addyston, OH
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in December
Addyston, OH

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

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are August, September and October (74%).

Average rainfall in December
Addyston, OH

Average rainfall in December - Addyston, OH
  • Average rainfall in December: 1.81"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is September (1.34").

Average rainfall days in December
Addyston, OH

Average rainfall days in December - Addyston, OH
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (7.9 days).

Average snowfall in December
Addyston, OH

Average snowfall in December - Addyston, OH
  • Average snowfall in December: 1.38"

The month with the highest snowfall is March (1.93").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Addyston, OH

Average snowfall days in December - Addyston, OH
  • Average snowfall days in December: 6.9 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).

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

Average daylight in December / Average sunshine in December - Addyston, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in December
Addyston, OH

Average sunshine days in December - Addyston, OH
  • Average sunshine days in December: 14.7 days

The month with the most sunshine days is November (19.7 days).
The months with the least sunshine days are May and June (12 days).

Average UV index in December
Addyston, OH

Average UV index in December - Addyston, OH
  • 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
Addyston, OH

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

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in December
Addyston, OH

Average visibility in December - Addyston, 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).

Addyston, Ohio, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location