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
In December, the average high-temperature decreases from a chilly 43.7°F (6.5°C) in November to a wintry 33.1°F (0.6°C). The temperature dips to an average of 23.9°F (-4.5°C) during December nights.Humidity
In December, the average relative humidity in Washington Mills is 86%.Rainfall
In Washington Mills, in December, it is raining for 9 days, with typically 2.17" (55mm) of accumulated precipitation. In Washington Mills, during the entire year, the rain falls for 148.9 days and collects up to 28.23" (717mm) of precipitation.Snowfall
Months with snowfall in Washington Mills are January through May, October through December. In Washington Mills, during December, snow falls for 16 days and regularly aggregates up to 6.73" (171mm) of snow. Throughout the year, there are 83 snowfall days, and 33.98" (863mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:13 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:36 pm EST.
Sunshine
In Washington Mills, the average sunshine in December is 2.9h.UV index
The months with the lowest UV index in Washington Mills are January, February and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 1 during December morphs into the following directions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Washington Mills?
What is the average humidity in December in Washington Mills?
How many days does it rain in December in Washington Mills?
How many days does it snow in December in Washington Mills?
What is the month with the shortest days in Washington Mills?
How many hours of daylight does Washington Mills have in December?
What time are sunrise and sunset in December in Washington Mills?
How many hours of sunshine does Washington Mills have in December?
What are the months with the lowest UV index in Washington Mills?
What is the UV index reading in December in Washington Mills?
Average temperature in December
Washington Mills, NY
- Average high temperature in December: 33.1°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in December
Washington Mills, 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 (29.92"Hg).
Average wind speed in December
Washington Mills, NY
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in December
Washington Mills, NY
- Average humidity in December: 86%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (78%).
Average rainfall in December
Washington Mills, NY
- Average rainfall in December: 2.17"
The wettest month (with the highest rainfall) is June (2.91").
The driest month (with the least rainfall) is January (1.77").
Average rainfall days in December
Washington Mills, NY
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in December
Washington Mills, NY
- Average snowfall in December: 6.73"
The month with the highest snowfall is February (7.32").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Washington Mills, NY
- Average snowfall days in December: 16 days
The month with the highest number of snowfall days is February (17.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Washington Mills, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in December
Washington Mills, NY
- Average sunshine days in December: 9 days
The month with the most sunshine days is September (15.2 days).
The month with the least sunshine days is February (6.4 days).
Average UV index in December
Washington Mills, 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, February and December (UV index 1).
Average cloud cover in December
Washington Mills, NY
- Average cloud cover in December: 71
The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Washington Mills, NY
- Average visibility in December: 5mi
The months with the highest visibility are April and October (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, November and December (5mi).
Washington Mills, New York, USA
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