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 brings a decrease in the average high-temperature, shifting from an icy 40.8°F (4.9°C) in November to a subzero cold 30.7°F (-0.7°C). The nights of December cool down to an average low of 21.7°F (-5.7°C), subtly lower than daytime highs.Humidity
In December, the average relative humidity is 88%.Rainfall
In Constableville, during December, the rain falls for 8.9 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, there are 156 rainfall days, and 23.94" (608mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Constableville, during December, snow falls for 18.2 days and regularly aggregates up to 7.24" (184mm) of snow. In Constableville, during the entire year, snow falls for 97.3 days and aggregates up to 37.28" (947mm) 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 the month, sunrise is at 7:15 am and sunset at 4:26 pm. On the last day of December, sunrise is at 7:34 am and sunset at 4:35 pm EST.
Sunshine
In December, the average sunshine is 2.6h.UV index
January, November 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 health risk from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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 much does it rain in December?
How much does it snow in Constableville in December?
What is the month with the shortest days?
How many hours of daylight does Constableville have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Constableville have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Constableville, NY
- Average high temperature in December: 30.7°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in December: 21.7°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in December
Constableville, NY
- Average pressure in December: 30.06"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
Constableville, NY
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Constableville, NY
- Average humidity in December: 88%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (78%).
Average rainfall in December
Constableville, NY
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is October (2.64").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in December
Constableville, NY
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in December
Constableville, NY
- Average snowfall in December: 7.24"
The month with the highest snowfall is January (8.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Constableville, NY
- Average snowfall days in December: 18.2 days
The month with the highest number of snowfall days is January (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Constableville, 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 4min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 24min).
Average sunshine days in December
Constableville, NY
- Average sunshine days in December: 7 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (6.4 days).
Average UV index in December
Constableville, NY
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Constableville, NY
- Average cloud cover in December: 74
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in December
Constableville, NY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Constableville, New York, USA
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