Climate and monthly weather forecast
Port Gibson, MS

Share

Weather in January

January, like December, in Port Gibson, Mississippi, is another fresh winter month, with temperature in the range of an average low of 39.7°F (4.3°C) and an average high of 55°F (12.8°C). Port Gibson records the coldest temperatures in January, averaging a high of 55°F (12.8°C) and a low of 39.7°F (4.3°C). Weather in January »

Weather in February

February, the last month of the winter in Port Gibson, is a moderate month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 59.7°F (15.4°C). With February's arrival, Port Gibson's weather records an average high-temperature of a moderate 59.7°F (15.4°C), marking little difference from January's 55°F (12.8°C). Weather in February »

Weather in March

March, the first month of the spring in Port Gibson, is an agreeable month, with temperature in the range of an average low of 50.2°F (10.1°C) and an average high of 68°F (20°C). A slight uplift in the average high-temperature marks March, adjusting from February's refreshing 59.7°F (15.4°C) to a pleasant 68°F (20°C). Weather in March »

Weather in April

April in Port Gibson, Mississippi, is a moderately hot spring month, with an average temperature fluctuating between 55.9°F (13.3°C) and 76.1°F (24.5°C). The shift from March to April sees a slight increase in the average high-temperature, transitioning from a pleasant 68°F (20°C) to a warm 76.1°F (24.5°C). Weather in April »

Weather in May

May, the last month of the spring in Port Gibson, is also a moderately hot month, with an average temperature ranging between max 83.8°F (28.8°C) and min 63.5°F (17.5°C). With the beginning of May, Port Gibson's average high-temperature sees a minor increase, transitioning from 76.1°F (24.5°C) in April to a still warm 83.8°F (28.8°C). Weather in May »

Weather in June

June, the first month of the summer in Port Gibson, is a hot month, with an average temperature ranging between min 70.5°F (21.4°C) and max 90.3°F (32.4°C). As Port Gibson, Mississippi, enters June, the average high-temperature marginally increases from the a moderately hot 83.8°F (28.8°C) of May to a hot 90.3°F (32.4°C). Weather in June »

Weather in July

July, the same as June, in Port Gibson, Mississippi, is another hot summer month, with an average temperature ranging between min 72.7°F (22.6°C) and max 91.9°F (33.3°C). Shifting into July, Port Gibson records an average high-temperature of a still hot 91.9°F (33.3°C), presenting minor fluctuations compared to the previous month. Weather in July »

Weather in August

August, the last month of the summer in Port Gibson, is also a hot month, with an average temperature fluctuating between 92.1°F (33.4°C) and 72.1°F (22.3°C). The month of August sees the highest average temperatures, reaching 92.1°F (33.4°C) at the peak and 72.1°F (22.3°C) at the low. August's heat index is evaluated at a blazing hot 116.6°F (47°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a hot month in Port Gibson, Mississippi, with temperature in the range of an average high of 88.2°F (31.2°C) and an average low of 67.6°F (19.8°C). September's average high-temperature stands at a still hot 88.2°F (31.2°C), showing little deviation from August's 92.1°F (33.4°C). Weather in September »

Weather in October

October, like September, in Port Gibson, Mississippi, is a moderately hot autumn month, with an average temperature ranging between max 78.1°F (25.6°C) and min 57.2°F (14°C). The arrival of October corresponds with a shift in temperature, down from a tropical 88.2°F (31.2°C) in September to a warm 78.1°F (25.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in Port Gibson, Mississippi, with an average temperature varying between 47.5°F (8.6°C) and 65.5°F (18.6°C). In November, the meteorological conditions alter, with the average high-temperature shifting from a moderately hot 78.1°F (25.6°C) in October to an enjoyable 65.5°F (18.6°C). Weather in November »

Weather in December

December, the first month of the winter in Port Gibson, is still a mild month, with an average temperature ranging between max 58.1°F (14.5°C) and min 43.7°F (6.5°C). Port Gibson observes a small decrease in the average high-temperature with the arrival of December, falling from November's comfortable 65.5°F (18.6°C) to a still refreshing 58.1°F (14.5°C). Weather in December »

Frequently asked questions

What time of the year is the coldest?

January is the coldest month of the year, registering average temperatures as high as 55°F (12.8°C) and as low as 39.7°F (4.3°C).

How many days does it rain?

Throughout the year, there are 141.8 rainfall days, and 23.39" (594mm) of precipitation is accumulated.

When does it snow?

January through March and December are months with snowfall.

What is the snowiest month in Port Gibson?

January is the month with the most snowfall. Snow falls for 0.7 days and accumulates 0.47" (12mm) of snow.

How much does it snow?

Throughout the year, there are 1.9 snowfall days, and 0.75" (19mm) of snow is accumulated.

What are the months with the lowest UV index?

January and December, with an average maximum UV index of 3, are months with the lowest UV index.

What are the most humid months?

The months with the highest humidity are February and December, with an average relative humidity of 81%.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

When it does not snow?

April through November are months without snowfall.

When are the longest days?

The month with the longest days is June, with an average of 14h and 12min of daylight.

What month has the most sunshine?

June has the most sunshine of the year, with an average of 10.5h of sunshine.

What is the month with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 7.

What is the warmest month?

Port Gibson notes the warmest temperatures in August, with a average high of 92.1°F (33.4°C) and a low of 72.1°F (22.3°C).

What is the wettest month?

August is the month with the most rainfall. Rain falls for 17.4 days and accumulates 2.83" (72mm) of precipitation.

What is the least humid month?

With an average relative humidity of 69%, October is the least humid month.

What is the driest month?

November is the month with the least rainfall in Port Gibson. Rain falls for 7.3 days and accumulates 1.22" (31mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 6min of daylight.

What is the month with the least sunshine?

With an average of 4.8h of sunshine, December has the least sunshine of the year.

Average temperature
Port Gibson, MS

Average temperature - Port Gibson, MS

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).

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
Port Gibson, MS

Average pressure - Port Gibson, MS

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
Port Gibson, MS

Average wind speed - Port Gibson, MS

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
Port Gibson, MS

Average humidity - Port Gibson, MS

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (69%).

Average rainfall
Port Gibson, MS

Average rainfall - Port Gibson, MS

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
Port Gibson, MS

Average rainfall days - Port Gibson, MS

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
Port Gibson, MS

Average snowfall - Port Gibson, MS

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
Port Gibson, MS

Average snowfall days - Port Gibson, MS

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 / Average sunshine
Port Gibson, MS

Average daylight / Average sunshine - Port Gibson, MS

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).

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
Port Gibson, MS

Average sunshine days - Port Gibson, MS

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
Port Gibson, MS

Average UV index - Port Gibson, MS

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 visibility
Port Gibson, MS

Average visibility - Port Gibson, MS

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

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location