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
As December arrives, Waterport's weather displays a decrease in high-temperatures, transitioning from November's frosty 45.7°F (7.6°C) to a cold 36.1°F (2.3°C). In Waterport, December nights maintain a consistent temperature, with an average low of 28°F (-2.2°C).Humidity
In Waterport, the average relative humidity in December is 82%.Rainfall
In December, the rain falls for 11.9 days. Throughout December, 2.4" (61mm) of precipitation is accumulated. In Waterport, during the entire year, the rain falls for 170.3 days and collects up to 29.29" (744mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 14 days. Throughout December, 5" (127mm) of snow is accumulated. In Waterport, during the entire year, snow falls for 66.7 days and aggregates up to 26.93" (684mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 7:26 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 4:47 pm EST.
Sunshine
The average sunshine in December is 3.1h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Mind you! Snow reflection can increase the intensity of 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 much 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?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Waterport, NY
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Waterport, NY
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Waterport, NY
- Average wind speed in December: 11.6mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in December
Waterport, NY
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is September (75%).
Average rainfall in December
Waterport, NY
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Waterport, NY
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Waterport, NY
- Average snowfall in December: 5"
The month with the highest snowfall is February (6.89").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Waterport, NY
- Average snowfall days in December: 14 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Waterport, NY
- Average daylight in December: 9h and 0min
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 0min).
- Average sunshine in December: 3h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Waterport, NY
- Average sunshine days in December: 8.4 days
The month with the most sunshine days is September (14 days).
The months with the least sunshine days are January and February (6.9 days).
Average UV index in December
Waterport, 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
Waterport, NY
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Waterport, 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).
Waterport, New York, USA
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