May weather forecast and climate
Sumiton, AL

Weather in May

The last month of the spring, May, is a warm month in Sumiton, Alabama, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 60.4°F (15.8°C).

Temperature

In May, the average high-temperature marginally rises, from an agreeable 72.7°F (22.6°C) in April, to a moderately hot 81°F (27.2°C). In May, in Sumiton, the average low-temperature is 60.4°F (15.8°C).

Heat index

In May, the average heat index is appraised at 85.3°F (29.6°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. 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', 'real feel', 'apparent temperature', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like clothing, differences in body mass, height, and shape, metabolic differences, 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. 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 Sumiton, the average relative humidity is 74%.

Rainfall

In Sumiton, during May, the rain falls for 10.9 days and regularly aggregates up to 1.18" (30mm) of precipitation. Throughout the year, in Sumiton, there are 128.4 rainfall days, and 14.17" (360mm) of precipitation is accumulated.

Snowfall

March through October are months without snowfall in Sumiton.

Daylight

In May, the average length of the day is 13.9h.

Sunshine

In Sumiton, the average sunshine is 10h.

UV index

The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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 Sumiton?

The average high-temperature, in May, is 81°F (27.2°C), while the average low-temperature is 60.4°F (15.8°C). In May, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that represents influence of the relative humidity to air temperaure, is evaluated at 85.3°F (29.6°C).

What is the average humidity in May in Sumiton?

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

How many days does it rain in May in Sumiton?

In Sumiton, in May, during 10.9 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

When it does not snow in Sumiton?

In Sumiton, Alabama, snow does not fall in March through October.

How many hours of daylight does Sumiton have in May?

The average length of the day in May is 13.9h.

How many hours of sunshine does Sumiton have in May?

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

What is the UV index reading in May in Sumiton?

In Sumiton, Alabama, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to the UV radiation.

Average temperature in May
Sumiton, AL

Average temperature in May - Sumiton, AL
  • Average high temperature in May: 81°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (50.5°F).

  • Average low temperature in May: 60.4°F

Months with the highest average low temperature are July and August (70.3°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).

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Average pressure in May
Sumiton, AL

Average pressure in May - Sumiton, AL
  • Average pressure in May: 30.01"

The month with the highest atmospheric pressure is January (30.17").
Months with the lowest atmospheric pressure are June and August (29.98").

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Average wind speed in May
Sumiton, AL

Average wind speed in May - Sumiton, AL
  • Average wind speed in May: 5.7mph

The windiest months (with the highest average wind speed) are February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

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Average humidity in May
Sumiton, AL

Average humidity in May - Sumiton, AL
  • Average humidity in May: 74%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Sumiton, AL

Average rainfall in May - Sumiton, AL
  • Average rainfall in May: 1.18"

The wettest months (with the highest rainfall) are July and August (1.46").
The driest month (with the least rainfall) is September (0.75").

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Average rainfall days in May
Sumiton, AL

Average rainfall days in May - Sumiton, AL
  • Average rainfall days in May: 10.9 days

The month with the highest number of rainy days is July (15.8 days).
Months with the least rainy days are October and November (7.1 days).

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Average snowfall in May
Sumiton, AL

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

The month with the highest snowfall is January (0.28").
Months with the least snowfall are March, April, May, June, July, August, September and October (0").

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Average snowfall days in May
Sumiton, AL

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

The month with the highest number of snowfall days is January (1.3 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
Sumiton, AL

Average daylight in May / Average sunshine in May - Sumiton, AL
  • Average daylight in May: 13.9h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in May: 10h

Months with the most sunshine are June and July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days in May
Sumiton, AL

Average sunshine days in May - Sumiton, AL
  • Average sunshine days in May: 17.4 days

The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (11.5 days).

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Average UV index in May
Sumiton, AL

Average UV index in May - Sumiton, AL
  • Average UV index in May: 6

Months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in May
Sumiton, AL

Average cloud cover in May - Sumiton, AL
  • Average cloud cover in May: 33

Months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 29).

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Average visibility in May
Sumiton, AL

Average visibility in May - Sumiton, AL
  • Average visibility in May: 6mi

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

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