May weather forecast
Port Gibson, MS

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Weather in May

The last month of the spring, May, is also a moderately hot month in Port Gibson, Mississippi, with an average temperature fluctuating between 63.5°F (17.5°C) and 83.8°F (28.8°C).

Temperature

Port Gibson observes a slight ascent in average high-temperatures during May, adjusting from 76.1°F (24.5°C) in April to a still moderately hot 83.8°F (28.8°C). May in Port Gibson, Mississippi, generally records an average low-temperature of 63.5°F (17.5°C).

Heat index

May's mean heat index is calculated to be a tropical 93.2°F (34°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a single figure representing how weather conditions feel when combining temperature and humidity. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

In Port Gibson, the average relative humidity in May is 77%.

Rainfall

In Port Gibson, during May, the rain falls for 12.8 days and regularly aggregates up to 1.97" (50mm) of precipitation. In Port Gibson, during the entire year, the rain falls for 141.8 days and collects up to 23.39" (594mm) of precipitation.

Snowfall

April through November are months without snowfall in Port Gibson.

Daylight

The average length of the day in May is 13h and 48min.
On the first day of May, sunrise is at 6:17 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:04 pm CDT.

Sunshine

The average sunshine in May in Port Gibson is 9.8h.

UV index

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: During May, 6 as the daily maximum UV index converts into the following advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

How hot is it in Port Gibson in May?

The average high-temperature and low-temperature during May are 83.8°F (28.8°C) and 63.5°F (17.5°C) respectively. In May, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 93.2°F (34°C).

What is the average humidity in May in Port Gibson?

The average relative humidity in May in Port Gibson is 77%.

How much does it rain in Port Gibson in May?

In Port Gibson, in May, it is raining for 12.8 days, with typically 1.97" (50mm) of accumulated precipitation.

When it does not snow in Port Gibson?

In Port Gibson, Mississippi, snow does not fall in April through November.

What is the average length of the day in May in Port Gibson?

In Port Gibson, the average day length in May is 13h and 48min.

When is the sunrise / sunset in May in Port Gibson?

In May, on the first day of the month, sunrise is at 6:17 am and sunset at 7:44 pm. On the last day of the month, in Port Gibson, Mississippi, sunrise is at 5:58 am and sunset at 8:04 pm CDT.

How long on average sun shines in May in Port Gibson?

In May, the average sunshine duration in Port Gibson is 9.8h.

How high is the UV index in May in Port Gibson?

In Port Gibson, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Port Gibson, MS

Average temperature in May - Port Gibson, MS
  • Average high temperature in May: 83.8°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 May: 63.5°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).

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Average pressure in May
Port Gibson, MS

Average pressure in May - Port Gibson, MS
  • Average pressure in May: 29.98"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).

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Average wind speed in May
Port Gibson, MS

Average wind speed in May - Port Gibson, MS
  • Average wind speed in May: 6mph

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).

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Average humidity in May
Port Gibson, MS

Average humidity in May - Port Gibson, MS
  • Average humidity in May: 77%

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

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Average rainfall in May
Port Gibson, MS

Average rainfall in May - Port Gibson, MS
  • Average rainfall in May: 1.97"

The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is November (1.22").

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Average rainfall days in May
Port Gibson, MS

Average rainfall days in May - Port Gibson, MS
  • Average rainfall days in May: 12.8 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).

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Average snowfall in May
Port Gibson, MS

Average snowfall in May - Port Gibson, MS
  • Average snowfall in May: 0"

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").

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Average snowfall days in May
Port Gibson, MS

Average snowfall days in May - Port Gibson, MS
  • Average snowfall days in May: 0 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).

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Average daylight in May /
Average sunshine in May
Port Gibson, MS

Average daylight in May / Average sunshine in May - Port Gibson, MS
  • Average daylight in May: 13h and 5min

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 May: 9h 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).

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Average sunshine days in May
Port Gibson, MS

Average sunshine days in May - Port Gibson, MS
  • Average sunshine days in May: 16.1 days

The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is August (11 days).

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Average UV index in May
Port Gibson, MS

Average UV index in May - Port Gibson, MS
  • Average UV index in May: 6

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).

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Average cloud cover in May
Port Gibson, MS

Average cloud cover in May - Port Gibson, MS
  • Average cloud cover in May: 34

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).

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Average visibility in May
Port Gibson, MS

Average visibility in May - Port Gibson, MS
  • Average visibility in May: 5mi

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).

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Port Gibson, Mississippi, USA

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