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
As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from a chilly 44.8°F (7.1°C) to an icy 34.5°F (1.4°C). In Wyckoff, the month of December records an average minimum temperature of 25.7°F (-3.5°C), a slight dip from the daily highs.Humidity
In Wyckoff, New York, the average relative humidity in December is 85%.Rainfall
In Wyckoff, in December, it is raining for 5.5 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, there are 115.7 rainfall days, and 11.06" (281mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Wyckoff. In Wyckoff, during December, snow falls for 12.2 days and regularly aggregates up to 1.85" (47mm) of snow. In Wyckoff, during the entire year, snow falls for 61.9 days and aggregates up to 12.95" (329mm) of snow.Daylight
The month with the shortest days in Wyckoff is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:17 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:42 pm EST.
Sunshine
In Wyckoff, the average sunshine in December is 3h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Wyckoff have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Wyckoff have in December?
What are the months with the lowest UV index in Wyckoff?
How high is the UV index in December?
Average temperature in December
Wyckoff, NY
- Average high temperature in December: 34.5°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in December
Wyckoff, 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
Wyckoff, NY
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in December
Wyckoff, NY
- Average humidity in December: 85%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in December
Wyckoff, NY
- Average rainfall in December: 0.75"
The wettest months (with the highest rainfall) are May and June (1.22").
The driest months (with the least rainfall) are January and September (0.67").
Average rainfall days in December
Wyckoff, NY
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in December
Wyckoff, NY
- Average snowfall in December: 1.85"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Wyckoff, NY
- Average snowfall days in December: 12.2 days
The month with the highest number of snowfall days is February (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wyckoff, 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: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in December
Wyckoff, NY
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is February (12.7 days).
Average UV index in December
Wyckoff, NY
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Wyckoff, NY
- Average cloud cover in December: 70
The month with the most cloud cover is February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
Wyckoff, NY
- Average visibility in December: 6mi
The months with the highest visibility are April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March and July (5mi).
Wyckoff, New York, USA
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