Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December's onset brings a slight change in high-temperatures, falling from a chilly 46.9°F (8.3°C) in November to an icy 36.9°F (2.7°C). Port Clinton's nighttime average temperature in December subtly descends to a subzero cold 29.5°F (-1.4°C) from the daily highs.Humidity
In Port Clinton, the average relative humidity in December is 81%.Rainfall
In Port Clinton, during December, the rain falls for 10 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Port Clinton, during the entire year, the rain falls for 163.4 days and collects up to 34.92" (887mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Port Clinton, 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, in December, the average water temperature is 37.2°F (2.9°C).Note: In the sphere of swimming, this is extremely cold and poses life-endangering hazards. Hypothermia can occur almost instantly in the absence of insulated waterproof wear.
Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:39 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:58 am and sunset at 5:12 pm EST.
Sunshine
In December, the average sunshine is 3.5h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 1 in December transforms into this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Direct Sun exposure should be minimized especially during midday when radiation is most intense. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the ocean temperature in December?
What is the month with the shortest days?
How many hours of daylight does Port Clinton have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Port Clinton have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
Average daylight in December /
Average sunshine in December
Port Clinton, OH
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 3min
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).
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).
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).
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).
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).
Port Clinton, Ohio, USA
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