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 arrival of December in New Rochelle corresponds with a reduction in the average high-temperature, down from November's cool 50.9°F (10.5°C) to a cold 41.9°F (5.5°C). New Rochelle's December nights observe a minor shift from the daytime temperatures, resulting in an average dip to a still wintry 32.9°F (0.5°C).Humidity
February and December, with an average relative humidity of 75%, are the most humid months in New Rochelle.Rainfall
In New Rochelle, in December, it is raining for 11.6 days, with typically 2.95" (75mm) of accumulated precipitation. In New Rochelle, during the entire year, the rain falls for 150.3 days and collects up to 27.72" (704mm) of precipitation.Snowfall
Months with snowfall in New Rochelle are January through April, November and December. In December, in New Rochelle, it is snowing for 2.5 days. Throughout December, 1.5" (38mm) of snow is accumulated. In New Rochelle, New York, during the entire year, snow falls for 18.1 days and aggregates up to 8.46" (215mm) of snow.Daylight
The month with the shortest days in New Rochelle is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:00 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:37 pm EST.
Sunshine
The average sunshine in December is 4.9h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December leads to these instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Stay sun-safe with clothing that is both closely woven and worn loosely. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in New Rochelle?
What is the most humid month in New Rochelle?
What is the average humidity in December in New Rochelle?
How much does it rain in New Rochelle in December?
How many days does it snow in December in New Rochelle?
What is the month with the shortest days in New Rochelle?
How many hours of daylight does New Rochelle have in December?
When are sunrise and sunset in December in New Rochelle?
How long on average sun shines in December in New Rochelle?
What is the month with the lowest UV index in New Rochelle?
How high is the UV index in December in New Rochelle?
Average temperature in December
New Rochelle, NY
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in December
New Rochelle, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
New Rochelle, NY
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in December
New Rochelle, NY
- Average humidity in December: 75%
The months with the highest relative humidity are February and December (75%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
New Rochelle, NY
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are January and February (1.69").
Average rainfall days in December
New Rochelle, NY
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
New Rochelle, NY
- Average snowfall in December: 1.5"
The month with the highest snowfall is March (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
New Rochelle, NY
- Average snowfall days in December: 2.5 days
The months with the highest number of snowfall days are January and February (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
New Rochelle, NY
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
New Rochelle, NY
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (12 days).
Average UV index in December
New Rochelle, NY
- Average UV index in December: 2
The months with the highest UV index are June, July and August (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
New Rochelle, NY
- Average cloud cover in December: 47
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
New Rochelle, NY
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
New Rochelle, New York, USA
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