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 45.1°F (7.3°C) to an icy 34°F (1.1°C). During December, Alplaus consistently records a temperature low averaging a subzero cold 24.6°F (-4.1°C).Humidity
In Alplaus, the average relative humidity in December is 81%.Rainfall
In Alplaus, in December, it is raining for 7.4 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, in Alplaus, New York, there are 132 rainfall days, and 22.4" (569mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Alplaus, in December, snow falls for 6 days, with typically accumulated 4.06" (103mm) of snow. In Alplaus, during the entire year, snow falls for 35.6 days and aggregates up to 19.49" (495mm) of snow.Daylight
The month with the shortest days in Alplaus is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:07 am and sunset at 4:22 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:31 pm EST.
Sunshine
The average sunshine in December is 4.2h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 1 during December leads to these instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Alplaus have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Alplaus, NY
- Average high temperature in December: 34°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in December: 24.6°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Alplaus, 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 (29.92"Hg).
Average wind speed in December
Alplaus, NY
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Alplaus, NY
- Average humidity in December: 81%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Alplaus, NY
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is October (2.4").
The driest month (with the least rainfall) is March (1.42").
Average rainfall days in December
Alplaus, NY
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in December
Alplaus, NY
- Average snowfall in December: 4.06"
The month with the highest snowfall is January (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Alplaus, NY
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Alplaus, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in December
Alplaus, NY
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is April (13.1 days).
Average UV index in December
Alplaus, NY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Alplaus, NY
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Alplaus, NY
- Average visibility in December: 6mi
The months with the highest visibility are April, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, March, May, August and September (5mi).
Alplaus, New York, USA
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