December weather forecast
Harbor Hills, OH

Share

Weather in December

December, the first month of the winter in Harbor Hills, is also an icy month, with an average temperature varying between 28.8°F (-1.8°C) and 39.4°F (4.1°C).

Temperature

As December arrives, Harbor Hills's weather displays a decrease in high-temperatures, transitioning from November's frosty 49.3°F (9.6°C) to an icy 39.4°F (4.1°C). Throughout the month of December, Harbor Hills observes an average nighttime temperature of 28.8°F (-1.8°C).

Humidity

In December, the average relative humidity is 82%.

Rainfall

December is the month with the least rainfall. Rain falls for 7.3 days and accumulates 0.79" (20mm) of precipitation.

Snowfall

Months with snowfall in Harbor Hills are January through April, November and December. In December, it is snowing for 5.9 days. Throughout December, 0.55" (14mm) of snow is accumulated. Throughout the year, there are 28.3 snowfall days, and 2.52" (64mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year in Harbor Hills.
On the first day of December, sunrise is at 7:32 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:14 pm EST.

Sunshine

In Harbor Hills, the average sunshine in December is 3.7h.

UV index

The month with the lowest UV index in Harbor Hills, Ohio, is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.
Note: In December, the UV index of 1 transforms into the following advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
[Resources]

Frequently asked questions

Is December cold in Harbor Hills?

The average high-temperature, in December, in Harbor Hills, is 39.4°F (4.1°C), while the average low-temperature is 28.8°F (-1.8°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in August is computed to be 86°F (30°C).

What is the average humidity in December in Harbor Hills?

In December, the average relative humidity in Harbor Hills, Ohio, is 82%.

What is the driest month in Harbor Hills?

December is the month with the least rainfall. Rain falls for 7.3 days and accumulates 0.79" (20mm) of precipitation.

How much does it rain in Harbor Hills in December?

In Harbor Hills, Ohio, in December, it is raining for 7.3 days, with typically 0.79" (20mm) of accumulated precipitation.

How much does it snow in Harbor Hills in December?

In Harbor Hills, in December, during 5.9 snowfall days, 0.55" (14mm) of snow is typically accumulated.

What is the month with the shortest days in Harbor Hills?

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

How many hours of daylight does Harbor Hills have in December?

In Harbor Hills, Ohio, the average day length in December is 9h and 23min.

When are sunrise and sunset in December in Harbor Hills?

On the first day of December, sunrise is at 7:32 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:14 pm EST.

How long on average sun shines in December in Harbor Hills?

The average sunshine duration in December in Harbor Hills, Ohio, is 3.7h.

What is the month with the lowest UV index in Harbor Hills?

The month with the lowest UV index in Harbor Hills, Ohio, is December, with an average maximum UV index of 1.

How high is the UV index in December in Harbor Hills?

In December, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to 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
Harbor Hills, OH

Average temperature in December - Harbor Hills, OH
  • Average high temperature in December: 39.4°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in December: 28.8°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

[Resources]

Average pressure in December
Harbor Hills, OH

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

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

[Resources]

Average wind speed in December
Harbor Hills, OH

Average wind speed in December - Harbor Hills, OH
  • Average wind speed in December: 8.5mph

The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).

[Resources]

Average humidity in December
Harbor Hills, OH

Average humidity in December - Harbor Hills, OH
  • Average humidity in December: 82%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is November (76%).

[Resources]

Average rainfall in December
Harbor Hills, OH

Average rainfall in December - Harbor Hills, OH
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is December (0.79").

[Resources]

Average rainfall days in December
Harbor Hills, OH

Average rainfall days in December - Harbor Hills, OH
  • Average rainfall days in December: 7.3 days

The month with the highest number of rainy days is May (16.6 days).
The months with the least rainy days are January and February (6.8 days).

[Resources]

Average snowfall in December
Harbor Hills, OH

Average snowfall in December - Harbor Hills, OH
  • Average snowfall in December: 0.55"

The month with the highest snowfall is January (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in December
Harbor Hills, OH

Average snowfall days in December - Harbor Hills, OH
  • Average snowfall days in December: 5.9 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
Harbor Hills, OH

Average daylight in December / Average sunshine in December - Harbor Hills, OH
  • 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 24min).

  • Average sunshine in December: 3h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

[Resources]

Average sunshine days in December
Harbor Hills, OH

Average sunshine days in December - Harbor Hills, OH
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is November (20.8 days).
The months with the least sunshine days are May and July (11.3 days).

[Resources]

Average UV index in December
Harbor Hills, OH

Average UV index in December - Harbor Hills, OH
  • Average UV index in December: 1

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

[Resources]

Average cloud cover in December
Harbor Hills, OH

Average cloud cover in December - Harbor Hills, OH
  • Average cloud cover in December: 61

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 31).

[Resources]

Average visibility in December
Harbor Hills, OH

Average visibility in December - Harbor Hills, OH
  • Average visibility in December: 6mi

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

[Resources]

Harbor Hills, Ohio, USA

Weather forecast for your location

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