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

May, the last month of the spring in Jackson, is another warm month, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 83.8°F (28.8°C).

Temperature

In Jackson, Mississippi, the average high-temperature in May slightly increases from 76.1°F (24.5°C) in April to a still moderately hot 83.8°F (28.8°C). In Jackson, the average low-temperature is 63.1°F (17.3°C).

Heat index

In May, the average heat index is calculated to be a hot 91.4°F (33°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values 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 a measure of how hot it feels when the actual air humidity is factored in. Additional factors like differences in body mass, height, and shape, clothing, wind, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in May is 74%.

Rainfall

In May, the rain falls for 13.8 days. Throughout May, 2.13" (54mm) of precipitation is 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 Jackson, the average length of the day in May is 13h and 49min.
On the first day of the month, sunrise is at 6:14 am and sunset at 7:41 pm. On the last day of May, in Jackson, sunrise is at 5:54 am and sunset at 8:01 pm CDT.

Sunshine

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

UV index

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 6 in May interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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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). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in May is calculated to be 91.4°F (33°C).

What is the average humidity in May in Jackson?

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

How much does it rain in Jackson in May?

In Jackson, Mississippi, in May, it is raining for 13.8 days, with typically 2.13" (54mm) of accumulated precipitation.

When it does not snow in Jackson?

March through December are months without snowfall.

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

In May, the average day length in Jackson is 13h and 49min.

When is the sunrise / sunset in May in Jackson?

On the first day of May, sunrise is at 6:14 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:01 pm CDT.

How many hours of sunshine does Jackson have in May?

The average sunshine duration in May in Jackson, Mississippi, is 10h.

What is the UV index intensity in May in Jackson?

The average daily maximum UV index in May in Jackson is 6. A UV Index estimate 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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Jackson, MS

Average temperature in May - Jackson, MS
  • Average high temperature in May: 83.8°F

The warmest months (with the highest average high temperature) are July and August (91.8°F).
The month with the lowest average high temperature is January (54.7°F).

  • Average low temperature in May: 63.1°F

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).

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Average pressure in May
Jackson, MS

Average pressure in May - Jackson, MS
  • Average pressure in May: 29.99"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
Jackson, MS

Average wind speed in May - Jackson, MS
  • Average wind speed in May: 6.3mph

The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).

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Average humidity in May
Jackson, MS

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

The 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: 2.13"

The wettest month (with the highest rainfall) is April (3.46").
The driest month (with the least rainfall) is October (1.81").

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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: 0"

The month with the highest snowfall is January (0.35").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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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).
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
Jackson, MS

Average daylight in May / Average sunshine in May - Jackson, MS
  • Average daylight in May: 13h and 49min

The month with the longest days is June (Average daylight: 14h and 14min).
The month with the shortest days is December (Average daylight: 10h and 4min).

  • Average sunshine in May: 10h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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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

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
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: 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).

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