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
As Port Washington North enters December, the average high-temperature subtly lowers from the a cool 50.9°F (10.5°C) of November to an icy 42.1°F (5.6°C). Port Washington North logs an average low-temperature of 33.8°F (1°C) during the nights of December, subtly lower than its daytime highs.Humidity
February, May and December, with an average relative humidity of 75%, are the most humid months.Rainfall
The month with the most rainfall in Port Washington North is December, when the rain falls for 13 days and typically aggregates up to 3.98" (101mm) of precipitation.Snowfall
Months with snowfall in Port Washington North, New York, are January through April, November and December. In December, it is snowing for 3.9 days. Throughout December, 1.69" (43mm) of snow is accumulated. In Port Washington North, during the entire year, snow falls for 23 days and aggregates up to 8.23" (209mm) of snow.Ocean temperature
In December, the average ocean temperature is 48°F (8.9°C).Note: Swimming in 48°F (8.9°C) is deemed hazardous. Exposure to temperatures below 50°F (10°C) leads to immediate severe cold shock and hyperventilation.
Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December in Port Washington North, sunrise is at 7:00 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:37 pm EST.
Sunshine
In Port Washington North, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
How cold is it in Port Washington North in December?
What are the most humid months in Port Washington North?
What is the average humidity in December in Port Washington North?
What is the rainiest month in Port Washington North?
How many days does it rain in December in Port Washington North?
How many days does it snow in December in Port Washington North?
How cold is the water in December in Port Washington North?
What is the month with the shortest days in Port Washington North?
How many hours of daylight does Port Washington North have in December?
What time are sunrise and sunset in December in Port Washington North?
How long on average sun shines in December in Port Washington North?
What are the months with the lowest UV index in Port Washington North?
What is the UV index reading in December in Port Washington North?
Average temperature in December
Port Washington North, NY
- Average high temperature in December: 42.1°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in December: 33.8°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in December
Port Washington North, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Port Washington North, NY
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in December
Port Washington North, NY
- Average humidity in December: 75%
The months with the highest relative humidity are February, May and December (75%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Port Washington North, NY
- Average rainfall in December: 3.98"
The wettest month (with the highest rainfall) is December (3.98").
The driest month (with the least rainfall) is February (2.36").
Average rainfall days in December
Port Washington North, NY
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (9.2 days).
Average snowfall in December
Port Washington North, NY
- Average snowfall in December: 1.69"
The month with the highest snowfall is March (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Port Washington North, NY
- Average snowfall days in December: 3.9 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Port Washington North, NY
- Average sea temperature in December: 48.1°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).
Average daylight in December /
Average sunshine in December
Port Washington North, NY
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Port Washington North, NY
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in December
Port Washington North, NY
- 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, March, November and December (UV index 2).
Average cloud cover in December
Port Washington North, NY
- Average cloud cover in December: 48
The month with the most cloud cover is December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in December
Port Washington North, NY
- 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).
Port Washington North, New York, USA
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