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
The beginning of December involves a decrease in the average high-temperature, transitioning from a frosty 45.1°F (7.3°C) in November to a wintry 35.1°F (1.7°C). A mean low-temperature of 27°F (-2.8°C) is anticipated during the month of December in Pontiac, New York, a slight step down from the daytime high.Humidity
The average relative humidity in December in Pontiac is 84%.Rainfall
In Pontiac, New York, during December, the rain falls for 9.5 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, there are 160.5 rainfall days, and 24.17" (614mm) of precipitation is accumulated.Snowfall
Months with snowfall in Pontiac are January through May, October through December. In December, in Pontiac, it is snowing for 13 days. Throughout December, 3.54" (90mm) of snow is accumulated. In Pontiac, during the entire year, snow falls for 62.9 days and aggregates up to 19.65" (499mm) of snow.Daylight
The month with the shortest days in Pontiac, New York, is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:26 am and sunset at 4:43 pm. On the last day of December, in Pontiac, sunrise is at 7:45 am and sunset at 4:52 pm EST.
Sunshine
The average sunshine in December is 2.7h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Pontiac. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 1 during December leads to these instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Pontiac in December?
What is the average humidity in December in Pontiac?
How much does it rain in Pontiac in December?
How many days does it snow in December in Pontiac?
What is the month with the shortest days in Pontiac?
How many hours of daylight does Pontiac have in December?
When are sunrise and sunset in December in Pontiac?
How many hours of sunshine does Pontiac have in December?
When is the lowest UV index in Pontiac?
How high is the UV index in December in Pontiac?
Average temperature in December
Pontiac, NY
- Average high temperature in December: 35.1°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Pontiac, 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
Pontiac, NY
- Average wind speed in December: 11mph
The windiest month (with the highest average wind speed) is January (11.8mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in December
Pontiac, NY
- Average humidity in December: 84%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are August and September (78%).
Average rainfall in December
Pontiac, NY
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is July (2.52").
The driest month (with the least rainfall) is January (1.54").
Average rainfall days in December
Pontiac, NY
- Average rainfall days in December: 9.5 days
The months with the highest number of rainy days are July and October (18.1 days).
The month with the least rainy days is February (7 days).
Average snowfall in December
Pontiac, NY
- Average snowfall in December: 3.54"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Pontiac, NY
- Average snowfall days in December: 13 days
The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Pontiac, 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Pontiac, NY
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is March (13 days).
The month with the least sunshine days is January (8.3 days).
Average UV index in December
Pontiac, NY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Pontiac, NY
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Pontiac, NY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Pontiac, New York, USA
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