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 frosty 44.1°F (6.7°C) in November to a cold 33.6°F (0.9°C). Throughout December, Cayuga Heights experiences a low-temperature average of 24.1°F (-4.4°C).Humidity
The average relative humidity in December is 86%.Rainfall
In December, the rain falls for 9.3 days. Throughout December, 2.36" (60mm) of precipitation is accumulated. In Cayuga Heights, during the entire year, the rain falls for 164.2 days and collects up to 32.56" (827mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Cayuga Heights, in December, during 16 snowfall days, 6.77" (172mm) of snow is typically accumulated. In Cayuga Heights, during the entire year, snow falls for 82.1 days and aggregates up to 34.57" (878mm) 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 7:16 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:35 am and sunset at 4:43 pm EST.
Sunshine
In December, the average sunshine is 2.9h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 1 during December translates into these guidelines:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. 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?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Cayuga Heights, NY
- Average high temperature in December: 33.6°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 24.1°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in December
Cayuga Heights, 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
Cayuga Heights, NY
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Cayuga Heights, NY
- Average humidity in December: 86%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in December
Cayuga Heights, NY
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in December
Cayuga Heights, NY
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in December
Cayuga Heights, NY
- Average snowfall in December: 6.77"
The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cayuga Heights, NY
- Average snowfall days in December: 16 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
Cayuga Heights, 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
Cayuga Heights, NY
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in December
Cayuga Heights, 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
Cayuga Heights, 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 38).
Average visibility in December
Cayuga Heights, 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).
Cayuga Heights, New York, USA
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