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 onset of December entails a temperature shift, as the average high-temperature decreases from a frosty 45.5°F (7.5°C) in November to a cold 36°F (2.2°C). South Lockport notes a consistent average low-temperature of 28.6°F (-1.9°C) during December nights.Humidity
The average relative humidity in December is 82%.Rainfall
In South Lockport, in December, during 10.8 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, in South Lockport, New York, there are 174.3 rainfall days, and 28.03" (712mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In South Lockport, in December, snow falls for 15.1 days, with typically accumulated 4.29" (109mm) of snow. In South Lockport, New York, during the entire year, snow falls for 73.2 days and aggregates up to 25.04" (636mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:27 am and sunset at 4:40 pm. On the last day of December, in South Lockport, sunrise is at 7:46 am and sunset at 4:49 pm EST.
Sunshine
In South Lockport, the average sunshine in December is 3h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in South Lockport, New York. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in South Lockport?
What is the average humidity in December in South Lockport?
How much does it rain in South Lockport in December?
How many days does it snow in December in South Lockport?
What is the month with the shortest days in South Lockport?
What is the average length of the day in December in South Lockport?
When are sunrise and sunset in December in South Lockport?
How many hours of sunshine does South Lockport have in December?
What is the month with the lowest UV index in South Lockport?
What is the UV index reading in December in South Lockport?
Average temperature in December
South Lockport, NY
- Average high temperature in December: 36°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 (29.7°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
South Lockport, 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
South Lockport, NY
- Average wind speed in December: 11.2mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in December
South Lockport, 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 (75%).
Average rainfall in December
South Lockport, NY
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
South Lockport, NY
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in December
South Lockport, NY
- Average snowfall in December: 4.29"
The month with the highest snowfall is February (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
South Lockport, NY
- Average snowfall days in December: 15.1 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
South Lockport, 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: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
South Lockport, NY
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is September (12.5 days).
The month with the least sunshine days is February (6 days).
Average UV index in December
South Lockport, 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
South Lockport, NY
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
South Lockport, 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).
South Lockport, New York, USA
Weather forecast for your location
2. Allow the app to use your location