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
In the transition to December, Halesite observes a minor drop in the average high-temperature, shifting from a fresh 51.4°F (10.8°C) in November to a frosty 43.3°F (6.3°C). Halesite documents an average low-temperature of 35.4°F (1.9°C) for the nights of December.Humidity
In December, the average relative humidity is 74%.Rainfall
In Halesite, in December, it is raining for 11.5 days, with typically 3.62" (92mm) of accumulated precipitation. In Halesite, during the entire year, the rain falls for 152.5 days and collects up to 35.04" (890mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Halesite, New York. In Halesite, New York, in December, during 2.8 snowfall days, 1.46" (37mm) of snow is typically accumulated. Throughout the year, in Halesite, there are 15.5 snowfall days, and 5.71" (145mm) of snow is accumulated.Ocean temperature
In Halesite, in December, the average water temperature is 48.9°F (9.4°C).Note: Caution: 48.9°F (9.4°C) temperatures below 50°F (10°C) during swimming can result in intense cold shock and quickened breathing.
Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December in Halesite, sunrise is at 6:59 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:35 pm EST.
Sunshine
The average sunshine in December in Halesite, New York, is 4.9h.UV index
The months with the lowest UV index in Halesite 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 exposure to the Sun's UV rays for average individuals.Note: In December, an average UV index of 2 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. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. 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 does it get in Halesite in December?
What is the average humidity in December in Halesite?
How many days does it rain in December in Halesite?
How many days does it snow in December in Halesite?
What is the water temperature in December in Halesite?
What is the month with the shortest days in Halesite?
How many hours of daylight does Halesite have in December?
What time are sunrise and sunset in December in Halesite?
How many hours of sunshine does Halesite have in December?
What are the months with the lowest UV index in Halesite?
What is the UV index intensity in December in Halesite?
Average temperature in December
Halesite, NY
- Average high temperature in December: 43.3°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in December
Halesite, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Halesite, NY
- Average wind speed in December: 11.7mph
The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in December
Halesite, NY
- Average humidity in December: 74%
The months with the highest relative humidity are May and June (76%).
The month with the lowest relative humidity is November (71%).
Average rainfall in December
Halesite, NY
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is July (4.09").
The driest month (with the least rainfall) is January (2.09").
Average rainfall days in December
Halesite, NY
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Halesite, NY
- Average snowfall in December: 1.46"
The month with the highest snowfall is March (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Halesite, NY
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Halesite, NY
- Average sea temperature in December: 49°F
The best month for swimming (with the highest average sea temperature) is August (74°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).
Average daylight in December /
Average sunshine in December
Halesite, 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
Halesite, NY
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in December
Halesite, 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
Halesite, 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
Halesite, 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).
Halesite, New York, USA
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