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
With December's arrival, Port Gibson sees a decrease in average high-temperatures, moving from a chilly 46.2°F (7.9°C) in November to an icy 36°F (2.2°C). December nights reveal a minor deviation from daytime highs, with a mean low-temperature of 27.1°F (-2.7°C).Humidity
In December, the average relative humidity is 83%.Rainfall
In December, the rain falls for 7.7 days. Throughout December, 0.71" (18mm) of precipitation is accumulated. Throughout the year, in Port Gibson, there are 115.8 rainfall days, and 8.43" (214mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Port Gibson. In December, in Port Gibson, it is snowing for 11.6 days. Throughout December, 1.46" (37mm) of snow is accumulated. In Port Gibson, during the entire year, snow falls for 54.1 days and aggregates up to 6.61" (168mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:20 am and sunset at 4:34 pm. On the last day of December, in Port Gibson, sunrise is at 7:39 am and sunset at 4:43 pm EST.
Sunshine
The average sunshine in December is 3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 1 during December leads to these instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Port Gibson in December?
What is the average humidity in December in Port Gibson?
How much does it rain in Port Gibson in December?
How much does it snow in Port Gibson in December?
What is the month with the shortest days in Port Gibson?
How many hours of daylight does Port Gibson have in December?
What time are sunrise and sunset in December in Port Gibson?
How many hours of sunshine does Port Gibson have in December?
What is the month with the lowest UV index in Port Gibson?
What is the UV index reading in December in Port Gibson?
Average temperature in December
Port Gibson, NY
- Average high temperature in December: 36°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 (29.7°F).
- Average low temperature in December: 27.1°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in December
Port Gibson, 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
Port Gibson, NY
- Average wind speed in December: 10.4mph
The windiest months (with the highest average wind speed) are January and February (11.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in December
Port Gibson, NY
- Average humidity in December: 83%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, August and September (77%).
Average rainfall in December
Port Gibson, NY
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is October (0.98").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in December
Port Gibson, NY
- Average rainfall days in December: 7.7 days
The months with the highest number of rainy days are May and August (11.8 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in December
Port Gibson, NY
- Average snowfall in December: 1.46"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Port Gibson, NY
- Average snowfall days in December: 11.6 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Port Gibson, NY
- Average daylight in December: 9h and 1min
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 6min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in December
Port Gibson, NY
- Average sunshine days in December: 14 days
The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is February (13.4 days).
Average UV index in December
Port Gibson, 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
Port Gibson, NY
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in December
Port Gibson, NY
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Port Gibson, New York, USA
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