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
Ruby's progression into December includes a drop in the average high-temperature, from a frosty 47.5°F (8.6°C) in November to a wintry 37°F (2.8°C). Throughout December, Ruby's nights cool down to an average of 25.3°F (-3.7°C).Humidity
February and December, with an average relative humidity of 81%, are the most humid months in Ruby.Rainfall
In Ruby, in December, it is raining for 8.3 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, in Ruby, there are 126.7 rainfall days, and 17.44" (443mm) of precipitation is accumulated.Snowfall
Months with snowfall in Ruby are January through May, October through December. The month with the most snowfall in Ruby is December, when snow falls for 6.1 days and typically aggregates up to 3.19" (81mm) of snow.Daylight
The month with the shortest days in Ruby is December, with an average of 9h and 12min of daylight.On the first day of December in Ruby, sunrise is at 7:05 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:34 pm EST.
Sunshine
In Ruby, the average sunshine in December is 5h.UV index
The months with the lowest UV index in Ruby are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Boost your sun resistance with garments that are densely woven yet spacious. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Ruby in December?
What are the most humid months in Ruby?
What is the average humidity in December in Ruby?
How much does it rain in Ruby in December?
What is the snowiest month in Ruby?
How much does it snow in Ruby in December?
What is the month with the shortest days in Ruby?
What is the average length of the day in December in Ruby?
When are sunrise and sunset in December in Ruby?
How long on average sun shines in December in Ruby?
When is the lowest UV index in Ruby?
What is the UV index reading in December in Ruby?
Average temperature in December
Ruby, NY
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 25.3°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in December
Ruby, 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
Ruby, NY
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is March (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Ruby, NY
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Ruby, NY
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is July (2.24").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in December
Ruby, NY
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in December
Ruby, NY
- Average snowfall in December: 3.19"
The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ruby, NY
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ruby, 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: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Ruby, NY
- Average sunshine days in December: 18.3 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (14.5 days).
Average UV index in December
Ruby, NY
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Ruby, NY
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Ruby, NY
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August, September and October (5mi).
Ruby, New York, USA
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