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
With the onset of December, New Haven's average high-temperature adjusts, receding from November's chilly 44.2°F (6.8°C) to a cold 34.3°F (1.3°C). New Haven experiences a steady nighttime temperature of 26.4°F (-3.1°C) throughout the month of December.Humidity
In December, the average relative humidity is 83%.Rainfall
In New Haven, in December, it is raining for 11 days, with typically 3.54" (90mm) of accumulated precipitation. Throughout the year, in New Haven, there are 171 rainfall days, and 39.21" (996mm) of precipitation is accumulated.Snowfall
Months with snowfall in New Haven are January through May, October through December. In New Haven, in December, during 14.5 snowfall days, 8.54" (217mm) of snow is typically accumulated. Throughout the year, in New Haven, there are 76.2 snowfall days, and 36.61" (930mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:18 am and sunset at 4:30 pm. On the last day of December, in New Haven, New York, sunrise is at 7:38 am and sunset at 4:39 pm EST.
Sunshine
The average sunshine in December is 2.8h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in New Haven. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 1 suggests this advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in New Haven?
What is the average humidity in December in New Haven?
How much does it rain in New Haven in December?
How many days does it snow in December in New Haven?
What is the month with the shortest days in New Haven?
How many hours of daylight does New Haven have in December?
What time are sunrise and sunset in December in New Haven?
How long on average sun shines in December in New Haven?
What are the months with the lowest UV index in New Haven?
What is the UV index intensity in December in New Haven?
Average temperature in December
New Haven, NY
- Average high temperature in December: 34.3°F
The warmest month (with the highest average high temperature) is July (75.2°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 26.4°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
New Haven, 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 (29.91"Hg).
Average wind speed in December
New Haven, NY
- Average wind speed in December: 11.6mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in December
New Haven, NY
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is September (77%).
Average rainfall in December
New Haven, NY
- Average rainfall in December: 3.54"
The wettest month (with the highest rainfall) is October (4.02").
The driest month (with the least rainfall) is September (2.36").
Average rainfall days in December
New Haven, NY
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is October (19.1 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
New Haven, NY
- Average snowfall in December: 8.54"
The month with the highest snowfall is January (8.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
New Haven, NY
- Average snowfall days in December: 14.5 days
The month with the highest number of snowfall days is January (18.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
New Haven, NY
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
New Haven, NY
- Average sunshine days in December: 8 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is January (6.3 days).
Average UV index in December
New Haven, 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
New Haven, NY
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 77).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in December
New Haven, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
New Haven, New York, USA
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