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 comes with a decrease in the average high-temperature, falling from a frosty 44.2°F (6.8°C) in November to a wintry 34.9°F (1.6°C). Night temperatures during December stabilize at an average of 26.2°F (-3.2°C), closely mirroring the daytime temperatures.Humidity
In December, the average relative humidity in Leon is 86%.Rainfall
In Leon, in December, during 8.1 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, there are 170.3 rainfall days, and 32.36" (822mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 11.3 days. Throughout December, 4.65" (118mm) of snow is accumulated. In Leon, during the entire year, snow falls for 59.1 days and aggregates up to 27.6" (701mm) 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 December, sunrise is at 7:26 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 4:53 pm EST.
Sunshine
In December, the average sunshine in Leon, New York, is 2.6h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Leon. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
How cold is it in Leon in December?
What is the average humidity in December in Leon?
How many days does it rain in December in Leon?
How much does it snow in Leon in December?
What is the month with the shortest days in Leon?
What is the average length of the day in December in Leon?
When are sunrise and sunset in December in Leon?
How many hours of sunshine does Leon have in December?
What are the months with the lowest UV index in Leon?
What is the UV index reading in December in Leon?
Average temperature in December
Leon, NY
- Average high temperature in December: 34.9°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Leon, 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
Leon, NY
- Average wind speed in December: 10.8mph
The windiest month (with the highest average wind speed) is January (11.5mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in December
Leon, NY
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is September (80%).
Average rainfall in December
Leon, NY
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (1.81").
Average rainfall days in December
Leon, NY
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in December
Leon, NY
- Average snowfall in December: 4.65"
The month with the highest snowfall is November (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Leon, NY
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Leon, 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 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Leon, NY
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is March (14 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in December
Leon, NY
- Average UV index in December: 1
The months with the highest UV index are 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
Leon, NY
- Average cloud cover in December: 74
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Leon, NY
- Average visibility in December: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Leon, New York, USA
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