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
December's onset brings a reduction in the average high-temperature, from a chilly 47.8°F (8.8°C) in November to an icy 37.4°F (3°C). Port Ewen experiences a nighttime temperature average of 25.3°F (-3.7°C) during December.Humidity
February and December, with an average relative humidity of 81%, are the most humid months in Port Ewen.Rainfall
In December, in Port Ewen, New York, the rain falls for 11.8 days. Throughout December, 2.44" (62mm) of precipitation is accumulated. In Port Ewen, during the entire year, the rain falls for 152.8 days and collects up to 26.1" (663mm) of precipitation.Snowfall
Months with snowfall in Port Ewen are January through May, October through December. In Port Ewen, New York, in December, snow falls for 7.5 days, with typically accumulated 4.49" (114mm) of snow. In Port Ewen, during the entire year, snow falls for 40 days and aggregates up to 19.02" (483mm) of snow.Daylight
The month with the shortest days in Port Ewen is December, with an average of 9h and 12min of daylight.On the first day of December in Port Ewen, sunrise is at 7:04 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:34 pm EST.
Sunshine
In Port Ewen, New York, the average sunshine in December is 5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Port Ewen, New York. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Port Ewen in December?
What is the most humid month in Port Ewen?
What is the average humidity in December in Port Ewen?
How many days does it rain in December in Port Ewen?
How many days does it snow in December in Port Ewen?
What is the month with the shortest days in Port Ewen?
What is the average length of the day in December in Port Ewen?
When are sunrise and sunset in December in Port Ewen?
How long on average sun shines in December in Port Ewen?
When is the lowest UV index in Port Ewen?
How high is the UV index in December in Port Ewen?
Average temperature in December
Port Ewen, NY
- Average high temperature in December: 37.4°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in December: 25.3°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Port Ewen, 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
Port Ewen, NY
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Port Ewen, NY
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Port Ewen, NY
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is October (2.87").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Port Ewen, NY
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is April (16.1 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in December
Port Ewen, NY
- Average snowfall in December: 4.49"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Port Ewen, NY
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Port Ewen, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Port Ewen, NY
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in December
Port Ewen, NY
- Average UV index in December: 2
The months with the highest UV index are June and July (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
Port Ewen, NY
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
Port Ewen, NY
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Port Ewen, New York, USA
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