May weather forecast
Jackson, MS

The Capitol building and beautiful tree park in Jackson, Mississippi
The Capitol building and beautiful tree park in Jackson, Mississippi

Weather in May

The last month of the spring, May, is another warm month in Jackson, Mississippi, with average temperature ranging between max 83.8°F (28.8°C) and min 63.1°F (17.3°C).

Temperature

In Jackson, Mississippi, the average high-temperature marginally rises, from 76.1°F (24.5°C) in April, to a still warm 83.8°F (28.8°C). In Jackson, the average low-temperature is 63.1°F (17.3°C).

Heat index

The average heat index is estimated at a tropical 91.4°F (33°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'feels like', or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like metabolic differences, clothing, differences in body mass, height, and shape, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Jackson, the average relative humidity is 74%.

Rainfall

In Jackson, during 13.8 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. Throughout the year, there are 152.1 rainfall days, and 29.72" (755mm) of precipitation is accumulated.

Snowfall

In Jackson snow does not fall in March through December.

Daylight

In May, the average length of the day in Jackson is 13.8h.

Sunshine

In May, the average sunshine is 10h.

UV index

The average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays for the ordinary person.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in May in Jackson?

In May, in Jackson, the average high-temperature is 83.8°F (28.8°C), and the average low-temperature is 63.1°F (17.3°C). In May, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 91.4°F (33°C).

What is the average humidity in May in Jackson?

In May, the average relative humidity in Jackson is 74%.

How much does it rain in Jackson in May?

In Jackson, Mississippi, in May, during 13.8 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

When it does not snow in Jackson?

In Jackson, Mississippi, snow does not fall in March through December.

What is the average length of the day in May in Jackson?

In May, the average length of the day is 13.8h.

How many hours of sunshine does Jackson have in May?

In May, the average sunshine in Jackson, Mississippi, is 10h.

What is the UV index reading in May in Jackson?

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat from the exposure to the Sun's UV rays.

Average temperature in May
Jackson, MS

Average temperature in May - Jackson, MS
  • Average high temperature in May: 28.8°C

The warmest months (with the highest average high temperature) are July and August (33.2°C).
The month with the lowest average high temperature is January (12.6°C).

  • Average low temperature in May: 17.3°C

The month with the highest average low temperature is July (22.4°C).
The coldest month (with the lowest average low temperature) is January (3.6°C).

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Average pressure in May
Jackson, MS

Average pressure in May - Jackson, MS
  • Average pressure in May: 1015.6mbar

The month with the highest atmospheric pressure is January (1021.8mbar).
The month with the lowest atmospheric pressure is June (1014.7mbar).

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Average wind speed in May
Jackson, MS

Average wind speed in May - Jackson, MS
  • Average wind speed in May: 10.1km/h

The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest months (with the lowest average wind speed) are July and August (8.2km/h).

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Average humidity in May
Jackson, MS

Average humidity in May - Jackson, MS
  • Average humidity in May: 74%

Months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in May
Jackson, MS

Average rainfall in May - Jackson, MS
  • Average rainfall in May: 54mm

The wettest month (with the highest rainfall) is April (88mm).
The driest month (with the least rainfall) is October (46mm).

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Average rainfall days in May
Jackson, MS

Average rainfall days in May - Jackson, MS
  • Average rainfall days in May: 13.8 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is October (8.5 days).

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Average snowfall in May
Jackson, MS

Average snowfall in May - Jackson, MS
  • Average snowfall in May: 0mm

The month with the highest snowfall is January (9mm).
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in May
Jackson, MS

Average snowfall days in May - Jackson, MS
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (1 days).
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
Jackson, MS

Average daylight in May / Average sunshine in May - Jackson, MS
  • Average daylight in May: 13.8h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in May: 10h

The month with the most sunshine is June (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.9h).

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Average sunshine days in May
Jackson, MS

Average sunshine days in May - Jackson, MS
  • Average sunshine days in May: 15.2 days

The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is July (11.8 days).

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Average UV index in May
Jackson, MS

Average UV index in May - Jackson, MS
  • Average UV index in May: 6

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in May
Jackson, MS

Average cloud cover in May - Jackson, MS
  • Average cloud cover in May: 33

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 28).

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Average visibility in May
Jackson, MS

Average visibility in May - Jackson, MS
  • Average visibility in May: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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