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
Onset of December witnesses a reduction in the average high-temperature, falling from a cold 42.6°F (5.9°C) in November to a still icy 32°F (0°C). December brings an average low-temperature of 22.8°F (-5.1°C) to Rome.Humidity
In Rome, the average relative humidity in December is 87%.Rainfall
In Rome, in December, during 12.5 rainfall days, 3.39" (86mm) of precipitation is typically accumulated. Throughout the year, there are 178.5 rainfall days, and 38.54" (979mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Rome, in December, snow falls for 16.6 days, with typically accumulated 9.61" (244mm) of snow. In Rome, during the entire year, snow falls for 87.9 days and aggregates up to 44.49" (1130mm) 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 the month, sunrise is at 7:14 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:33 am and sunset at 4:36 pm EST.
Sunshine
The average sunshine in December is 2.8h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 1 during December leads to these instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Rome?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days in Rome?
How many hours of daylight does Rome have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Rome have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Rome, NY
- Average high temperature in December: 32°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in December
Rome, 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
Rome, NY
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Rome, NY
- Average humidity in December: 87%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (78%).
Average rainfall in December
Rome, NY
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is October (3.78").
The driest month (with the least rainfall) is September (2.52").
Average rainfall days in December
Rome, NY
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in December
Rome, NY
- Average snowfall in December: 9.61"
The month with the highest snowfall is January (10.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rome, NY
- Average snowfall days in December: 16.6 days
The month with the highest number of snowfall days is January (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rome, NY
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in December
Rome, NY
- Average sunshine days in December: 6.6 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (4.6 days).
Average UV index in December
Rome, 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
Rome, NY
- Average cloud cover in December: 71
The months with the most cloud cover are January and February (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Rome, 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).
Rome, New York, USA
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