May weather forecast
Clayton, AL

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Weather in May

The last month of the spring, May, is also a moderately hot month in Clayton, Alabama, with an average temperature varying between 63.7°F (17.6°C) and 83.8°F (28.8°C).

Temperature

With the onset of May, the average high-temperature subtly transitions from 77°F (25°C) in April to a still warm 83.8°F (28.8°C). Clayton, during May, witnesses an average low-temperature of 63.7°F (17.6°C).

Heat index

For May, the heat index is evaluated at a hot 89.6°F (32°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are essentially critical for children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

The average relative humidity in May is 70%.

Rainfall

In Clayton, Alabama, in May, during 13.2 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. Throughout the year, there are 153.5 rainfall days, and 24.41" (620mm) of precipitation is accumulated.

Snowfall

April through December are months without snowfall.

Daylight

In May, the average length of the day in Clayton, Alabama, is 13h and 48min.
On the first day of the month, sunrise is at 5:55 am and sunset at 7:22 pm. On the last day of May, in Clayton, Alabama, sunrise is at 5:36 am and sunset at 7:42 pm CDT.

Sunshine

The average sunshine in May in Clayton is 10.5h.

UV index

In May, the average daily maximum UV index in Clayton is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 6 during May translates into the following directions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

Is it hot in Clayton during May?

During May, Clayton experiences an average high-temperature of 83.8°F (28.8°C) and a low-temperature of 63.7°F (17.6°C). In May, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 89.6°F (32°C).

What is the average humidity in May in Clayton?

The average relative humidity in May in Clayton is 70%.

How much does it rain in Clayton in May?

In Clayton, Alabama, in May, during 13.2 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

When it does not snow in Clayton?

April through December are months without snowfall in Clayton, Alabama.

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

The average day length in May in Clayton, Alabama, is 13h and 48min.

When is the sunrise / sunset in May in Clayton?

On the first day of May in Clayton, sunrise is at 5:55 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 7:42 pm CDT.

How long on average sun shines in May in Clayton?

The average sunshine duration in May in Clayton, Alabama, is 10.5h.

What is the UV index reading in May in Clayton?

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
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
Clayton, AL

Average temperature in May - Clayton, AL
  • Average high temperature in May: 83.8°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (56.1°F).

  • Average low temperature in May: 63.7°F

The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).

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Average pressure in May
Clayton, AL

Average pressure in May - Clayton, AL
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).

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Average wind speed in May
Clayton, AL

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

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

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Average humidity in May
Clayton, AL

Average humidity in May - Clayton, AL
  • Average humidity in May: 70%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in May
Clayton, AL

Average rainfall in May - Clayton, AL
  • Average rainfall in May: 2.17"

The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (1.42").

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Average rainfall days in May
Clayton, AL

Average rainfall days in May - Clayton, AL
  • Average rainfall days in May: 13.2 days

The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (7.5 days).

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Average snowfall in May
Clayton, AL

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

The month with the highest snowfall is January (0.24").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in May
Clayton, AL

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

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in May: 10h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

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Average sunshine days in May
Clayton, AL

Average sunshine days in May - Clayton, AL
  • Average sunshine days in May: 16.3 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (7.5 days).

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Average UV index in May
Clayton, AL

Average UV index in May - Clayton, 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 and December (UV index 3).

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Average cloud cover in May
Clayton, AL

Average cloud cover in May - Clayton, AL
  • Average cloud cover in May: 30

The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 29).

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Average visibility in May
Clayton, AL

Average visibility in May - Clayton, 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).

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Clayton, Alabama, USA

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