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
Port Gibson's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's refreshing 65.5°F (18.6°C) to a moderate 58.1°F (14.5°C). Port Gibson reports an average low-temperature of 43.7°F (6.5°C) during the nights of December.Humidity
February and December, with an average relative humidity of 81%, are the most humid months in Port Gibson.Rainfall
In Port Gibson, in December, during 11.2 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 141.8 rainfall days, and 23.39" (594mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Port Gibson, Mississippi. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. In Port Gibson, during the entire year, snow falls for 1.9 days and aggregates up to 0.75" (19mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 6:47 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:10 pm CST.
Sunshine
With an average of 4.8h of sunshine, December has the least sunshine of the year in Port Gibson.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What is the temperature in December in Port Gibson?
What is the most humid month in Port Gibson?
What is the average humidity in December in Port Gibson?
How much does it rain in Port Gibson in December?
When does it start to snow in Port Gibson?
What is the month with the shortest days in Port Gibson?
What is the average length of the day in December in Port Gibson?
What time are sunrise and sunset in December in Port Gibson?
What is the month with the least sunshine in Port Gibson?
How long on average sun shines in December in Port Gibson?
What are the months with the lowest UV index in Port Gibson?
What is the UV index intensity in December in Port Gibson?
Average temperature in December
Port Gibson, MS
- Average high temperature in December: 58.1°F
The warmest month (with the highest average high temperature) is August (92.1°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in December: 43.7°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure in December
Port Gibson, MS
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Port Gibson, MS
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are August and September (5mph).
Average humidity in December
Port Gibson, MS
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Port Gibson, MS
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is November (1.22").
Average rainfall days in December
Port Gibson, MS
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is August (17.4 days).
The month with the least rainy days is October (6.9 days).
Average snowfall in December
Port Gibson, MS
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Port Gibson, MS
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Port Gibson, MS
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Port Gibson, MS
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is August (11 days).
Average UV index in December
Port Gibson, MS
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Port Gibson, MS
- Average cloud cover in December: 48
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Port Gibson, MS
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).
Port Gibson, Mississippi, USA
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