May weather forecast and climate
Carrollton, AL

The last month of the spring, May, is another warm month in Carrollton, Alabama, with average temperature varying between 62.2°F (16.8°C) and 82.9°F (28.3°C).

Temperature

In May, the average high-temperature slightly increases, from a warm 74.8°F (23.8°C) in April, to a still moderately hot 82.9°F (28.3°C). In May, in Carrollton, the average low-temperature is 62.2°F (16.8°C).

Heat index

In May, the average heat index is estimated at a tropical 89.4°F (31.9°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
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 'apparent temperature', 'felt air temperature', 'real feel', or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, metabolic differences, wind). 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 particularly important for children. 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

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

Rainfall

In Carrollton, it is raining for 14.7 days, with typically 3.07" (78mm) of accumulated precipitation. Throughout the year, there are 168.1 rainfall days, and 40.94" (1040mm) of precipitation is accumulated.

Snowfall

March through October are months without snowfall in Carrollton.

Daylight

The average length of the day is 13.9h.

Sunshine

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

UV index

In Carrollton, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in May in Carrollton?

In Carrollton, in May, the average high-temperature is 82.9°F (28.3°C), and the average low-temperature is 62.2°F (16.8°C). In May, the average heat index (a.k.a. 'apparent temperature', 'feels like'), that combines air temperature and relative humidity, is evaluated at 89.4°F (31.9°C).

What is the average humidity in May in Carrollton?

The average relative humidity in May is 74%.

How many days does it rain in May in Carrollton?

In May, the rain falls for 14.7 days. Throughout May, 3.07" (78mm) of precipitation is accumulated.

When it does not snow in Carrollton?

March through October are months without snowfall in Carrollton, Alabama.

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

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

How many hours of sunshine does Carrollton have in May?

In May, the average sunshine is 10h.

What is the UV index intensity in May in Carrollton?

In Carrollton, Alabama, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to the UV radiation.
Average temperature in May - Carrollton, AL
  • Average high temperature in May: 82.9°F

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (52.5°F).

  • Average low temperature in May: 62.2°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (37°F).

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

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.97").

Average wind speed in May - Carrollton, AL
  • Average wind speed in May: 6mph

The windiest months (with the highest average wind speed) are January, February and March (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in May - Carrollton, 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 (70%).

Average rainfall in May - Carrollton, AL
  • Average rainfall in May: 3.07"

The wettest month (with the highest rainfall) is April (4.57").
The driest month (with the least rainfall) is October (2.4").

Average rainfall days in May - Carrollton, AL
  • Average rainfall days in May: 14.7 days

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (8.6 days).

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

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

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

The month with the highest number of snowfall days is January (1.1 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • 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: 4.8h).

Average sunshine days in May - Carrollton, AL
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is July (9 days).

Average UV index in May - Carrollton, 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).

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

Months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 28).

Average visibility in May - Carrollton, 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).