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 December commences, the average high-temperature shows a reduction, transitioning from a frosty 45.9°F (7.7°C) in November to a cold 35.6°F (2°C). The nights of December anticipate an average low-temperature of 24.6°F (-4.1°C).Humidity
December is the most humid month, with an average relative humidity of 85%.Rainfall
In Mongaup Valley, in December, during 13 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. In Mongaup Valley, during the entire year, the rain falls for 167.1 days and collects up to 31.18" (792mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, in Mongaup Valley, it is snowing for 12.4 days. Throughout December, 6.61" (168mm) of snow is accumulated. In Mongaup Valley, during the entire year, snow falls for 65.7 days and aggregates up to 33.58" (853mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:07 am and sunset at 4:29 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:38 pm EST.
Sunshine
In Mongaup Valley, New York, the average sunshine in December is 4.2h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Mongaup Valley?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in Mongaup Valley in December?
What is the month with the shortest days in Mongaup Valley?
How many hours of daylight does Mongaup Valley have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December in Mongaup Valley?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Mongaup Valley, NY
- Average high temperature in December: 35.6°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 24.6°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in December
Mongaup Valley, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Mongaup Valley, NY
- Average wind speed in December: 7.2mph
The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Mongaup Valley, NY
- Average humidity in December: 85%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is July (77%).
Average rainfall in December
Mongaup Valley, NY
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Mongaup Valley, NY
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (9.8 days).
Average snowfall in December
Mongaup Valley, NY
- Average snowfall in December: 6.61"
The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mongaup Valley, NY
- Average snowfall days in December: 12.4 days
The month with the highest number of snowfall days is February (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mongaup Valley, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in December
Mongaup Valley, NY
- Average sunshine days in December: 11.2 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in December
Mongaup Valley, NY
- Average UV index in December: 2
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, March, October, November and December (UV index 2).
Average cloud cover in December
Mongaup Valley, NY
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in December
Mongaup Valley, NY
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February, May and September (4mi).
Mongaup Valley, New York, USA
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