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 implies a gentle temperature shift, with average high-temperatures reducing from November's chilly 43.3°F (6.3°C) to a freezing cold 31.8°F (-0.1°C). A modest decline from daytime high temperatures is noticed in December, marking the average low at a still subzero cold 23.4°F (-4.8°C).Humidity
In December, the average relative humidity in Alexandria Bay is 84%.Rainfall
In Alexandria Bay, New York, in December, it is raining for 10.7 days, with typically 2.09" (53mm) of accumulated precipitation. In Alexandria Bay, during the entire year, the rain falls for 156.9 days and collects up to 24.06" (611mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall. Snow falls for 14.7 days and accumulates 6.06" (154mm) of snow.Ocean temperature
In December, the average ocean temperature is 41.7°F (5.4°C).Note: Caution: 41.7°F (5.4°C) temperatures below 50°F (10°C) during swimming can result in intense cold shock and quickened breathing.
Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:20 am and sunset at 4:25 pm. On the last day of December, sunrise is at 7:39 am and sunset at 4:34 pm EST.
Sunshine
The average sunshine in December is 3.3h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Alexandria Bay. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 1 suggests this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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?
When does it snow the most?
How many days does it snow in December?
What is the water temperature in December?
What is the month with the shortest days?
How many hours of daylight does Alexandria Bay have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Alexandria Bay, NY
- Average high temperature in December: 31.8°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (25.7°F).
- Average low temperature in December: 23.4°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in December
Alexandria Bay, NY
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Alexandria Bay, NY
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in December
Alexandria Bay, NY
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Alexandria Bay, NY
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is October (2.76").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Alexandria Bay, NY
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is October (17.1 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in December
Alexandria Bay, NY
- Average snowfall in December: 6.06"
The month with the highest snowfall is December (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Alexandria Bay, NY
- Average snowfall days in December: 14.7 days
The month with the highest number of snowfall days is January (18.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Alexandria Bay, NY
- Average sea temperature in December: 41.8°F
The best month for swimming (with the highest average sea temperature) is August (68.4°F).
The coldest month (with the lowest average sea temperature) is March (35.9°F).
Average daylight in December /
Average sunshine in December
Alexandria Bay, NY
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in December
Alexandria Bay, NY
- Average sunshine days in December: 9 days
The month with the most sunshine days is September (15.7 days).
The month with the least sunshine days is January (7.9 days).
Average UV index in December
Alexandria Bay, NY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Alexandria Bay, NY
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in December
Alexandria Bay, NY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Alexandria Bay, New York, USA
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