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
Observing a mild shift, the average high-temperature during December reduces from November's frosty 43.5°F (6.4°C) to a wintry 33.3°F (0.7°C). Youngsville records an average low-temperature of 22.8°F (-5.1°C) throughout the month of December.Humidity
February and December, with an average relative humidity of 87%, are the most humid months.Rainfall
In Youngsville, during December, the rain falls for 13.7 days and regularly aggregates up to 3.19" (81mm) of precipitation. Throughout the year, in Youngsville, New York, there are 176.2 rainfall days, and 35.94" (913mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Youngsville, in December, snow falls for 15.8 days, with typically accumulated 8.98" (228mm) of snow. Throughout the year, in Youngsville, there are 83.4 snowfall days, and 46.73" (1187mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:29 pm. On the last day of December, in Youngsville, sunrise is at 7:26 am and sunset at 4:38 pm EST.
Sunshine
In December, the average sunshine in Youngsville, New York, is 3.5h.UV index
February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Youngsville. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 1 in December translates into this advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Youngsville?
What is the most humid month in Youngsville?
What is the average humidity in December in Youngsville?
How many days does it rain in December in Youngsville?
How many days does it snow in December in Youngsville?
What is the month with the shortest days in Youngsville?
How many hours of daylight does Youngsville have in December?
What time are sunrise and sunset in December in Youngsville?
How long on average sun shines in December in Youngsville?
When is the lowest UV index in Youngsville?
What is the UV index reading in December in Youngsville?
Average temperature in December
Youngsville, 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 (28°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in December
Youngsville, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Youngsville, NY
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Youngsville, NY
- Average humidity in December: 87%
The months with the highest relative humidity are February and December (87%).
The month with the lowest relative humidity is July (79%).
Average rainfall in December
Youngsville, NY
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is April (3.46").
The driest month (with the least rainfall) is September (2.52").
Average rainfall days in December
Youngsville, NY
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in December
Youngsville, NY
- Average snowfall in December: 8.98"
The month with the highest snowfall is February (10").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Youngsville, NY
- Average snowfall days in December: 15.8 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Youngsville, 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 12min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in December
Youngsville, NY
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (7 days).
Average UV index in December
Youngsville, 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 February, November and December (UV index 1).
Average cloud cover in December
Youngsville, NY
- Average cloud cover in December: 66
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in December
Youngsville, NY
- Average visibility in December: 4mi
The months with the highest visibility are April, June and July (5mi).
The months with the lowest visibility are January, February, March, May, August, September, October, November and December (4mi).
Youngsville, New York, USA
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