May weather forecast and climate
Jackson, AL

Weather in May

May, the last month of the spring, in Jackson, is another warm month, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 63°F (17.2°C).

Temperature

In Jackson, the average high-temperature marginally rises, from a warm 78.4°F (25.8°C) in April, to a still moderately hot 85.6°F (29.8°C). In Jackson, the average low-temperature is 63°F (17.2°C).

Heat index

The average heat index is appraised at a torrid 95.5°F (35.3°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 the 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 'feels like', 'felt air temperature', 'apparent temperature', or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like pregnancy, metabolic differences, wind, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, 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.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In May, the average relative humidity is 73%.

Rainfall

In Jackson, in May, during 13.3 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. In Jackson, during the entire year, the rain falls for 173.9 days and collects up to 35.63" (905mm) of precipitation.

Snowfall

April through November are months without snowfall in Jackson.

Daylight

The average length of the day in May is 13.8h.

Sunshine

In Jackson, the average sunshine is 10h.

UV index

In Jackson, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 6 in May interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. 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. A wide-brim hat offers excellent sun protection for 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 Jackson, Alabama, in May, the average high-temperature is 85.6°F (29.8°C), and the average low-temperature is 63°F (17.2°C). In May, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines air temperature and relative humidity, is calculated to 95.5°F (35.3°C).

What is the average humidity in May in Jackson?

The average relative humidity in May in Jackson, Alabama, is 73%.

How much does it rain in Jackson in May?

In Jackson, Alabama, in May, it is raining for 13.3 days, with typically 2.8" (71mm) of accumulated precipitation.

When it does not snow in Jackson?

In Jackson, Alabama, snow does not fall in April through November.

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

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

How long on average sun shines in May in Jackson?

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

How high is the UV index in May in Jackson?

The average daily maximum UV index in May in Jackson is 6. A UV Index of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays.

Average temperature in May
Jackson, AL

Average temperature in May - Jackson, AL
  • Average high temperature in May: 85.6°F

The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in May: 63°F

The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

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Average pressure in May
Jackson, AL

Average pressure in May - Jackson, AL
  • Average pressure in May: 30"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.96").

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Average wind speed in May
Jackson, AL

Average wind speed in May - Jackson, AL
  • Average wind speed in May: 5.1mph

The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).

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Average humidity in May
Jackson, AL

Average humidity in May - Jackson, AL
  • Average humidity in May: 73%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Jackson, AL

Average rainfall in May - Jackson, AL
  • Average rainfall in May: 2.8"

The wettest month (with the highest rainfall) is July (4.41").
The driest month (with the least rainfall) is November (2.05").

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Average rainfall days in May
Jackson, AL

Average rainfall days in May - Jackson, AL
  • Average rainfall days in May: 13.3 days

The month with the highest number of rainy days is July (24.7 days).
The month with the least rainy days is November (8 days).

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Average snowfall in May
Jackson, AL

Average snowfall in May - Jackson, AL
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.16").
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
Jackson, AL

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

The month with the highest number of snowfall days is January (0.5 days).
Months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in May /
Average sunshine in May
Jackson, AL

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

The month with the longest days is June (Average daylight: 14.2h).
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: 10.5h).
The month with the least sunshine is February (Average sunshine: 5h).

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Average sunshine days in May
Jackson, AL

Average sunshine days in May - Jackson, AL
  • Average sunshine days in May: 15.7 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (4.4 days).

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Average UV index in May
Jackson, AL

Average UV index in May - Jackson, AL
  • 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, AL

Average cloud cover in May - Jackson, AL
  • Average cloud cover in May: 36

The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 31).

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Average visibility in May
Jackson, AL

Average visibility in May - Jackson, AL
  • Average visibility in May: 5mi

Months with the highest visibility are June and October (6mi).
Months with the lowest visibility are January, February, March, April, May, July, August, September, November and December (5mi).

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