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's arrival coincides with a drop in the average high-temperature, decreasing from November's icy 40.8°F (4.9°C) to a freezing cold 30.9°F (-0.6°C). Ava throughout December, experiences an average nighttime temperature of 21.7°F (-5.7°C).Humidity
In December, the average relative humidity is 88%.Rainfall
In Ava, in December, during 9.8 rainfall days, 4.37" (111mm) of precipitation is typically accumulated. In Ava, during the entire year, the rain falls for 168.4 days and collects up to 45.28" (1150mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 18.2 days. Throughout December, 15.47" (393mm) of snow is accumulated. In Ava, during the entire year, snow falls for 101 days and aggregates up to 75.43" (1916mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 7:15 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:35 pm EST.
Sunshine
In Ava, the average sunshine in December is 2.4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 1 suggests these 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. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December in Ava?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Ava have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Ava, NY
- Average high temperature in December: 30.9°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (24.6°F).
- Average low temperature in December: 21.7°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 (13.5°F).
Average pressure in December
Ava, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Ava, NY
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in December
Ava, NY
- Average humidity in December: 88%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (78%).
Average rainfall in December
Ava, NY
- Average rainfall in December: 4.37"
The wettest month (with the highest rainfall) is October (4.65").
The driest month (with the least rainfall) is September (2.72").
Average rainfall days in December
Ava, NY
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in December
Ava, NY
- Average snowfall in December: 15.47"
The month with the highest snowfall is February (16.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ava, NY
- Average snowfall days in December: 18.2 days
The month with the highest number of snowfall days is January (22.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ava, NY
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 2h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 6min).
Average sunshine days in December
Ava, NY
- Average sunshine days in December: 6.9 days
The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is February (4.8 days).
Average UV index in December
Ava, 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, November and December (UV index 1).
Average cloud cover in December
Ava, NY
- Average cloud cover in December: 76
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in December
Ava, NY
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).
Ava, New York, USA
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