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
Onset of December comes with a temperature decline, the average high falling from a chilly 43.7°F (6.5°C) in November to a cold 33.1°F (0.6°C). During December, Ritchfield Junction's temperature falls to a steady low-temperature average of 23.9°F (-4.5°C).Humidity
In Ritchfield Junction, the average relative humidity in December is 86%.Rainfall
In Ritchfield Junction, during December, the rain falls for 9 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, there are 148.9 rainfall days, and 28.23" (717mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Ritchfield Junction, 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
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:12 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:36 pm EST.
Sunshine
In Ritchfield Junction, the average sunshine in December is 2.9h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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 much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Ritchfield Junction have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Ritchfield Junction, 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
Ritchfield Junction, 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
Ritchfield Junction, 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
Ritchfield Junction, 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
Ritchfield Junction, 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
Ritchfield Junction, 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
Ritchfield Junction, 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
Ritchfield Junction, 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
Ritchfield Junction, 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
Ritchfield Junction, 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
Ritchfield Junction, 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
Ritchfield Junction, 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
Ritchfield Junction, 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).
Ritchfield Junction, New York, USA
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