December weather forecast
Port Clinton, OH

Weather in December

The first month of the winter, December, is still a cold month in Port Clinton, Ohio, with an average temperature ranging between min 29.5°F (-1.4°C) and max 36.9°F (2.7°C).

Temperature

In Port Clinton, the average high-temperature in December decreases from a frosty 46.9°F (8.3°C) in November to a cold 36.9°F (2.7°C). In Port Clinton, the average low-temperature is 29.5°F (-1.4°C).

Humidity

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

Rainfall

In December, in Port Clinton, the rain falls for 10 days. Throughout December, 1.65" (42mm) of precipitation is accumulated. Throughout the year, in Port Clinton, there are 163.4 rainfall days, and 34.92" (887mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall. In Port Clinton, Ohio, in December, during 10.3 snowfall days, 2.2" (56mm) of snow is typically accumulated. In Port Clinton, during the entire year, snow falls for 48.2 days and aggregates up to 11.89" (302mm) of snow.

Ocean temperature

In Port Clinton, the average water temperature is 37.2°F (2.9°C).
Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

The month with the shortest days is December, with an average of 9h and 14min of daylight.
On the first day of December in Port Clinton, sunrise is at 7:38 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:11 pm EST.

Sunshine

In Port Clinton, the average sunshine in December is 3.5h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 1 in December interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in December in Port Clinton?

In Port Clinton, Ohio, the average relative humidity in December is 81%.

How many days does it rain in December in Port Clinton?

In December, in Port Clinton, the rain falls for 10 days. Throughout December, 1.65" (42mm) of precipitation is accumulated.

How much does it snow in Port Clinton in December?

In Port Clinton, Ohio, in December, snow falls for 10.3 days, with typically accumulated 2.2" (56mm) of snow.

How cold is the water in December in Port Clinton?

In Port Clinton, Ohio, the average seawater temperature in December is 37.2°F (2.9°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the month with the shortest days in Port Clinton?

With an average of 9h and 14min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Port Clinton?

In December, the average day length in Port Clinton is 9h and 14min.

When are sunrise and sunset in December in Port Clinton?

On the first day of December in Port Clinton, Ohio, sunrise is at 7:38 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:11 pm EST.

How many hours of sunshine does Port Clinton have in December?

In Port Clinton, Ohio, the average sunshine duration in December is 3.5h.

When is the lowest UV index in Port Clinton?

December is the month with the lowest UV index, with an average maximum UV index of 1.

What is the UV index intensity in December in Port Clinton?

In December, the average daily maximum UV index in Port Clinton, Ohio, is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Port Clinton, OH

Average temperature in December - Port Clinton, OH
  • Average high temperature in December: 36.9°F

The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in December: 29.5°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21°F).

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Average pressure in December
Port Clinton, OH

Average pressure in December - Port Clinton, OH
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Port Clinton, OH

Average wind speed in December - Port Clinton, OH
  • Average wind speed in December: 11.9mph

The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).

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Average humidity in December
Port Clinton, OH

Average humidity in December - Port Clinton, OH
  • Average humidity in December: 81%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in December
Port Clinton, OH

Average rainfall in December - Port Clinton, OH
  • Average rainfall in December: 1.65"

The wettest month (with the highest rainfall) is June (4.76").
The driest month (with the least rainfall) is February (1.57").

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Average rainfall days in December
Port Clinton, OH

Average rainfall days in December - Port Clinton, OH
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (7.6 days).

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Average snowfall in December
Port Clinton, OH

Average snowfall in December - Port Clinton, OH
  • Average snowfall in December: 2.2"

The month with the highest snowfall is February (3.54").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Port Clinton, OH

Average snowfall days in December - Port Clinton, OH
  • Average snowfall days in December: 10.3 days

The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average sea temperature in December
Port Clinton, OH

Average sea temperature in December - Port Clinton, OH
  • Average sea temperature in December: 37.2°F

The best month for swimming (with the highest average sea temperature) is July (76.6°F).
The coldest month (with the lowest average sea temperature) is February (32.3°F).

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Average daylight in December /
Average sunshine in December
Port Clinton, OH

Average daylight in December / Average sunshine in December - Port Clinton, OH
  • Average daylight in December: 9h and 14min

The month with the longest days is June (Average daylight: 15h and 8min).
The month with the shortest days is December (Average daylight: 9h and 14min).

  • Average sunshine in December: 3h and 30min

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

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Average sunshine days in December
Port Clinton, OH

Average sunshine days in December - Port Clinton, OH
  • Average sunshine days in December: 11.5 days

The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (9 days).

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Average UV index in December
Port Clinton, OH

Average UV index in December - Port Clinton, OH
  • Average UV index in December: 1

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

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Average cloud cover in December
Port Clinton, OH

Average cloud cover in December - Port Clinton, OH
  • Average cloud cover in December: 63

The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 29).

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Average visibility in December
Port Clinton, OH

Average visibility in December - Port Clinton, OH
  • Average visibility in December: 6mi

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

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