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 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
The commencement of December indicates a shift in the average high-temperature, receding from November's frosty 48.7°F (9.3°C) to a cold 39.2°F (4°C). Port Washington encounters a steady low-temperature average of 28°F (-2.2°C) throughout the month of December.Humidity
In December, the average relative humidity is 83%.Rainfall
In Port Washington, in December, during 12.7 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, there are 173.3 rainfall days, and 31.02" (788mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. In Port Washington, during December, snow falls for 11.5 days and regularly aggregates up to 3.15" (80mm) of snow. In Port Washington, Ohio, during the entire year, snow falls for 55.7 days and aggregates up to 18.46" (469mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Port Washington.On the first day of December, sunrise is at 7:30 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:10 pm EST.
Sunshine
The average sunshine in December is 3.7h.UV index
The months with the lowest UV index in Port Washington are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Experience reduced UV exposure by about half when donning a wide-brim hat. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
How cold does it get in Port Washington in December?
What is the average humidity in December in Port Washington?
How much does it rain in Port Washington in December?
How much does it snow in Port Washington in December?
What is the month with the shortest days in Port Washington?
What is the average length of the day in December in Port Washington?
When are sunrise and sunset in December in Port Washington?
How long on average sun shines in December in Port Washington?
When is the lowest UV index in Port Washington?
What is the UV index reading in December in Port Washington?
Average temperature in December
Port Washington, OH
- Average high temperature in December: 39.2°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in December
Port Washington, OH
- Average pressure in December: 30.11"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).
Average wind speed in December
Port Washington, OH
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Port Washington, OH
- Average humidity in December: 83%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, August and November (77%).
Average rainfall in December
Port Washington, OH
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is April (3.07").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Port Washington, OH
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in December
Port Washington, OH
- Average snowfall in December: 3.15"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Port Washington, OH
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Port Washington, 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 12min).
Average sunshine days in December
Port Washington, OH
- Average sunshine days in December: 11.3 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in December
Port Washington, OH
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Port Washington, OH
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Port Washington, OH
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).
Port Washington, Ohio, USA
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