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
December brings a minor decrease, with the average high-temperature reducing from a chilly 43.3°F (6.3°C) in November to an icy 33.3°F (0.7°C). In December, the recorded average low-temperature in Upper Lisle, New York, is a subzero cold 23.5°F (-4.7°C).Humidity
In Upper Lisle, the average relative humidity in December is 87%.Rainfall
In Upper Lisle, New York, in December, it is raining for 11.8 days, with typically 2.68" (68mm) of accumulated precipitation. In Upper Lisle, during the entire year, the rain falls for 175.2 days and collects up to 33.15" (842mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Upper Lisle. In December, in Upper Lisle, it is snowing for 16.1 days. Throughout December, 7.64" (194mm) of snow is accumulated. In Upper Lisle, during the entire year, snow falls for 84.3 days and aggregates up to 40.28" (1023mm) of snow.Daylight
December has the shortest days of the year in Upper Lisle, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 4:32 pm. On the last day of December, in Upper Lisle, sunrise is at 7:33 am and sunset at 4:41 pm EST.
Sunshine
The average sunshine in December in Upper Lisle is 2.8h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Upper Lisle. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 1 in December translates into these instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Upper Lisle in December?
What is the average humidity in December in Upper Lisle?
How many days does it rain in December in Upper Lisle?
How many days does it snow in December in Upper Lisle?
What is the month with the shortest days in Upper Lisle?
How many hours of daylight does Upper Lisle have in December?
What time are sunrise and sunset in December in Upper Lisle?
How many hours of sunshine does Upper Lisle have in December?
What is the month with the lowest UV index in Upper Lisle?
How high is the UV index in December in Upper Lisle?
Average temperature in December
Upper Lisle, NY
- Average high temperature in December: 33.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in December: 23.5°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in December
Upper Lisle, 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
Upper Lisle, NY
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Upper Lisle, NY
- Average humidity in December: 87%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May, June and July (80%).
Average rainfall in December
Upper Lisle, NY
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is August (3.27").
The driest months (with the least rainfall) are January and September (2.36").
Average rainfall days in December
Upper Lisle, NY
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in December
Upper Lisle, NY
- Average snowfall in December: 7.64"
The month with the highest snowfall is February (8.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Upper Lisle, NY
- Average snowfall days in December: 16.1 days
The month with the highest number of snowfall days is January (19.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Upper Lisle, 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: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in December
Upper Lisle, NY
- Average sunshine days in December: 7.4 days
The month with the most sunshine days is September (13.7 days).
The month with the least sunshine days is February (4.8 days).
Average UV index in December
Upper Lisle, 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 and December (UV index 1).
Average cloud cover in December
Upper Lisle, NY
- Average cloud cover in December: 72
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 39).
Average visibility in December
Upper Lisle, 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).
Upper Lisle, New York, USA
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