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
Treadwell, New York, in December experiences a subtle temperature decline, with average high-temperatures reducing from a wintry 42.4°F (5.8°C) in November to a still icy 32.9°F (0.5°C). In Treadwell, December's nights observe an average temperature dip to a subzero cold 22.5°F (-5.3°C).Humidity
The months with the highest humidity in Treadwell are January, February and December, with an average relative humidity of 87%.Rainfall
In Treadwell, in December, it is raining for 10.3 days, with typically 2.4" (61mm) of accumulated precipitation. In Treadwell, during the entire year, the rain falls for 161.1 days and collects up to 31.18" (792mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Treadwell, during December, snow falls for 16.7 days and regularly aggregates up to 8.35" (212mm) of snow. In Treadwell, during the entire year, snow falls for 92.9 days and aggregates up to 48.23" (1225mm) of snow.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 7:10 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:37 pm EST.
Sunshine
In December, the average sunshine is 2.8h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the most humid month?
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 Treadwell have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Treadwell, NY
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 22.5°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in December
Treadwell, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Treadwell, NY
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Treadwell, NY
- Average humidity in December: 87%
The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in December
Treadwell, NY
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Treadwell, NY
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in December
Treadwell, NY
- Average snowfall in December: 8.35"
The month with the highest snowfall is February (9.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Treadwell, NY
- Average snowfall days in December: 16.7 days
The month with the highest number of snowfall days is January (20.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Treadwell, 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 6min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in December
Treadwell, NY
- Average sunshine days in December: 7.9 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is February (5.5 days).
Average UV index in December
Treadwell, 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, March, November and December (UV index 1).
Average cloud cover in December
Treadwell, NY
- Average cloud cover in December: 73
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 41).
Average visibility in December
Treadwell, NY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Treadwell, New York, USA
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