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
During the transition into December, Dellwood observes a decrease in the average high-temperature, falling from a frosty 45.5°F (7.5°C) in November to a cold 34.9°F (1.6°C). Dellwood's December nights experience a subtle temperature dip to an average of 26.2°F (-3.2°C).Humidity
In Dellwood, the average relative humidity in December is 85%.Rainfall
In Dellwood, New York, in December, during 10 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, in Dellwood, there are 161.8 rainfall days, and 21.93" (557mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Dellwood, in December, snow falls for 15.8 days, with typically accumulated 4.41" (112mm) of snow. In Dellwood, New York, during the entire year, snow falls for 78.6 days and aggregates up to 25.24" (641mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Dellwood, New York.On the first day of December, sunrise is at 7:26 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 4:50 pm EST.
Sunshine
In December, the average sunshine in Dellwood is 2.7h.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 average individuals.Note: The UV index of 1 during December leads to these advisories:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. To guard against the harmful effects of the Sun, minimize exposure during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
How cold is December in Dellwood?
What is the average humidity in December in Dellwood?
How much does it rain in Dellwood in December?
How much does it snow in Dellwood in December?
What is the month with the shortest days in Dellwood?
How many hours of daylight does Dellwood have in December?
What time are sunrise and sunset in December in Dellwood?
How long on average sun shines in December in Dellwood?
What is the month with the lowest UV index in Dellwood?
What is the UV index reading in December in Dellwood?
Average temperature in December
Dellwood, NY
- Average high temperature in December: 34.9°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in December
Dellwood, 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
Dellwood, NY
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in December
Dellwood, NY
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are May, July and August (77%).
Average rainfall in December
Dellwood, NY
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in December
Dellwood, NY
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in December
Dellwood, NY
- Average snowfall in December: 4.41"
The month with the highest snowfall is February (6.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Dellwood, NY
- Average snowfall days in December: 15.8 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dellwood, NY
- Average daylight in December: 9h and 1min
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 6min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in December
Dellwood, NY
- Average sunshine days in December: 8.2 days
The month with the most sunshine days is June (13.4 days).
The month with the least sunshine days is February (6.7 days).
Average UV index in December
Dellwood, 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
Dellwood, NY
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Dellwood, 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).
Dellwood, New York, USA
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