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
As Syracuse enters December, the average high-temperature decreases from the a fresh 52.5°F (11.4°C) of November to a chilly 42.8°F (6°C). Syracuse experiences an average low-temperature of 31.1°F (-0.5°C) in the month of December.Humidity
In December, the average relative humidity is 81%.Rainfall
In December, the rain falls for 12.4 days. Throughout December, 3.11" (79mm) of precipitation is accumulated. Throughout the year, there are 170.5 rainfall days, and 33.39" (848mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Syracuse, during December, snow falls for 8.1 days and regularly aggregates up to 2.28" (58mm) of snow. In Syracuse, during the entire year, snow falls for 39.1 days and aggregates up to 13.35" (339mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:28 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:15 pm EST.
Sunshine
In Syracuse, the average sunshine in December is 3.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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 many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Syracuse have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December in Syracuse?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Syracuse, OH
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in December
Syracuse, OH
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Syracuse, OH
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Syracuse, OH
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Syracuse, OH
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Syracuse, OH
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (10.7 days).
Average snowfall in December
Syracuse, OH
- Average snowfall in December: 2.28"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Syracuse, OH
- Average snowfall days in December: 8.1 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Syracuse, OH
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Syracuse, OH
- Average sunshine days in December: 13.2 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in December
Syracuse, OH
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Syracuse, OH
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Syracuse, OH
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Syracuse, Ohio, USA
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