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
A subtle shift in Plandome Heights's weather is observed as November turns into December, with the average high temperature reducing from a fresh 50.9°F (10.5°C) to a wintry 42.1°F (5.6°C). During the nights of December, Plandome Heights maintains an almost steady temperature with an average low of 33.8°F (1°C).Humidity
February, May and December, with an average relative humidity of 75%, are the most humid months in Plandome Heights.Rainfall
The month with the most rainfall is December, when the rain falls for 13 days and typically aggregates up to 3.98" (101mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Plandome Heights, in December, snow falls for 3.9 days, with typically accumulated 1.69" (43mm) of snow. In Plandome Heights, during the entire year, snow falls for 23 days and aggregates up to 8.23" (209mm) of snow.Ocean temperature
In Plandome Heights, the average seawater temperature in December is 48°F (8.9°C).Note: Dipping into 48°F (8.9°C) below 50°F (10°C) is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Swimming momentarily at 55.4°F (13°C) can be jarring.
Daylight
The month with the shortest days in Plandome Heights, New York, is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:00 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:37 pm EST.
Sunshine
In December, the average sunshine in Plandome Heights 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 of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
Is it cold in Plandome Heights during December?
What is the most humid month in Plandome Heights?
What is the average humidity in December in Plandome Heights?
What is the rainiest month in Plandome Heights?
How much does it rain in Plandome Heights in December?
How many days does it snow in December in Plandome Heights?
What is the ocean temperature in December in Plandome Heights?
What is the month with the shortest days in Plandome Heights?
What is the average length of the day in December in Plandome Heights?
When is the sunrise / sunset in December in Plandome Heights?
How many hours of sunshine does Plandome Heights have in December?
What is the month with the lowest UV index in Plandome Heights?
What is the UV index intensity in December in Plandome Heights?
Average temperature in December
Plandome Heights, 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
Plandome Heights, 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
Plandome Heights, 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
Plandome Heights, 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
Plandome Heights, 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
Plandome Heights, 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
Plandome Heights, 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
Plandome Heights, 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
Plandome Heights, 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
Plandome Heights, 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
Plandome Heights, 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
Plandome Heights, 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
Plandome Heights, 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
Plandome Heights, 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).
Plandome Heights, New York, USA
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