May weather forecast
Duncanville, AL

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Weather in May

The last month of the spring, May, is another warm month in Duncanville, Alabama, with an average temperature varying between 61.9°F (16.6°C) and 82.6°F (28.1°C).

Temperature

May's arrival brings a slight change in high-temperatures, adjusting from 74.5°F (23.6°C) in April to a still warm 82.6°F (28.1°C). An average low-temperature of 61.9°F (16.6°C) is noted in Duncanville during the month of May.

Heat index

May's mean heat index is computed to be a hot 87.8°F (31°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.
Observations indicate that the heat index values are for shady locations with light wind. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. 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

The average relative humidity in May is 73%.

Rainfall

In Duncanville, in May, during 13.8 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. In Duncanville, during the entire year, the rain falls for 169.8 days and collects up to 39.96" (1015mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Duncanville, the average length of the day in May is 13h and 53min.
On the first day of the month, sunrise is at 6:01 am and sunset at 7:32 pm. On the last day of May, sunrise is at 5:41 am and sunset at 7:53 pm CDT.

Sunshine

In May, the average sunshine is 10h.

UV index

The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: An average maximum UV index of 6 in May leads to these recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

How hot does it get in May?

In May, the average high-temperature and low-temperature are 82.6°F (28.1°C) and 61.9°F (16.6°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in May is computed to be 87.8°F (31°C).

What is the average humidity in May?

In Duncanville, the average relative humidity in May is 73%.

How many days does it rain in May?

In Duncanville, in May, during 13.8 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

When it does not snow in Duncanville?

April through October are months without snowfall.

How many hours of daylight does Duncanville have in May?

In May, the average day length is 13h and 53min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:01 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 7:53 pm CDT.

How many hours of sunshine does Duncanville have in May?

In Duncanville, the average sunshine duration in May is 10h.

How high is the UV index in May in Duncanville?

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Duncanville, AL

Average temperature in May - Duncanville, AL
  • Average high temperature in May: 82.6°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (52.2°F).

  • Average low temperature in May: 61.9°F

The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (36.5°F).

Average pressure in May
Duncanville, AL

Average pressure in May - Duncanville, AL
  • Average pressure in May: 30"Hg

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

Average wind speed in May
Duncanville, AL

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

The windiest months (with the highest average wind speed) are March and April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

Average humidity in May
Duncanville, AL

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

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (70%).

Average rainfall in May
Duncanville, AL

Average rainfall in May - Duncanville, AL
  • Average rainfall in May: 2.95"

The wettest month (with the highest rainfall) is April (4.29").
The driest month (with the least rainfall) is October (2.24").

Average rainfall days in May
Duncanville, AL

Average rainfall days in May - Duncanville, AL
  • Average rainfall days in May: 13.8 days

The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in May
Duncanville, AL

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

The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Duncanville, AL

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

The month with the highest number of snowfall days is February (1.2 days).
The 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
Duncanville, AL

Average daylight in May / Average sunshine in May - Duncanville, AL
  • Average daylight in May: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in May: 10h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days in May
Duncanville, AL

Average sunshine days in May - Duncanville, AL
  • Average sunshine days in May: 15.8 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in May
Duncanville, AL

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in May
Duncanville, AL

Average cloud cover in May - Duncanville, AL
  • Average cloud cover in May: 34

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 28).

Average visibility in May
Duncanville, AL

Average visibility in May - Duncanville, AL
  • 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).

Duncanville, Alabama, USA

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