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 shift from November to December corresponds with a decrease in the average high-temperature, down to a cold 36.1°F (2.3°C) from a chilly 45.7°F (7.6°C). Nighttime temperatures hover around an average low of 28°F (-2.2°C) in December, a slight descent from daytime highs.Humidity
In December, the average relative humidity is 82%.Rainfall
In Spencerport, in December, during 11.9 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Spencerport, New York, during the entire year, the rain falls for 170.8 days and collects up to 25.75" (654mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, in Spencerport, it is snowing for 15.3 days. Throughout December, 4.33" (110mm) of snow is accumulated. In Spencerport, during the entire year, snow falls for 70.9 days and aggregates up to 22.56" (573mm) of snow.Daylight
December has the shortest days of the year in Spencerport, with an average of 9h and 0min of daylight.On the first day of December in Spencerport, sunrise is at 7:23 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 4:46 pm EST.
Sunshine
The average sunshine in December in Spencerport, New York, is 3.2h.UV index
The months with the lowest UV index in Spencerport are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 1 during December leads to these advisories:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Spencerport?
What is the average humidity in December in Spencerport?
How many days does it rain in December in Spencerport?
How many days does it snow in December in Spencerport?
What is the month with the shortest days in Spencerport?
What is the average length of the day in December in Spencerport?
When is the sunrise / sunset in December in Spencerport?
How long on average sun shines in December in Spencerport?
When is the lowest UV index in Spencerport?
What is the UV index reading in December in Spencerport?
Average temperature in December
Spencerport, NY
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Spencerport, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Spencerport, NY
- Average wind speed in December: 11.4mph
The windiest month (with the highest average wind speed) is January (12.3mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in December
Spencerport, NY
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are August and September (76%).
Average rainfall in December
Spencerport, NY
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (1.65").
Average rainfall days in December
Spencerport, NY
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is October (17.8 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in December
Spencerport, NY
- Average snowfall in December: 4.33"
The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Spencerport, NY
- Average snowfall days in December: 15.3 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Spencerport, NY
- Average daylight in December: 9h and 0min
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 0min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in December
Spencerport, NY
- Average sunshine days in December: 6.7 days
The month with the most sunshine days is September (13.2 days).
The month with the least sunshine days is January (5.8 days).
Average UV index in December
Spencerport, 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
Spencerport, NY
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Spencerport, 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).
Spencerport, New York, USA
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