May weather forecast
Clay, AL

Weather in May

May, the last month of the spring in Clay, is a warm month, with an average temperature ranging between max 80.6°F (27°C) and min 60.4°F (15.8°C).

Temperature

In May, the average high-temperature marginally rises from a pleasant 72.9°F (22.7°C) in April to a moderately hot 80.6°F (27°C). In Clay, Alabama, the average low-temperature is 60.4°F (15.8°C).

Heat index

The average heat index in May is estimated at 84.6°F (29.2°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. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'felt air temperature', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, clothing, metabolic differences), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the 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 Clay, Alabama, the average relative humidity in May is 74%.

Rainfall

In May, the rain falls for 13.2 days. Throughout May, 1.54" (39mm) of precipitation is accumulated. Throughout the year, there are 149 rainfall days, and 19.88" (505mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In May, the average length of the day in Clay is 13h and 55min.
On the first day of May in Clay, sunrise is at 5:57 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 7:51 pm CDT.

Sunshine

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

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 6 in May transform into the following instructions:
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. A wide-brim hat offers excellent sun protection for the 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 Clay?

In Clay, in May, the average high-temperature is 80.6°F (27°C), and the average low-temperature is 60.4°F (15.8°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in May is estimated at 84.6°F (29.2°C).

What is the average humidity in May in Clay?

The average relative humidity in May in Clay, Alabama, is 74%.

How much does it rain in Clay in May?

In Clay, in May, during 13.2 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

When it does not snow in Clay?

In Clay, Alabama, snow does not fall in April through October.

How many hours of daylight does Clay have in May?

In Clay, the average day length in May is 13h and 55min.

What time are sunrise and sunset in May in Clay?

In May, on the first day of the month, sunrise is at 5:57 am and sunset at 7:29 pm. On the last day of the month, in Clay, Alabama, sunrise is at 5:37 am and sunset at 7:51 pm CDT.

How long on average sun shines in May in Clay?

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

When is the highest UV index in Clay?

The months with the highest UV index in Clay, Alabama, are May through August, with an average maximum UV index of 6.

How high is the UV index in May in Clay?

The average daily maximum UV index in May 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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Clay, AL

Average temperature in May - Clay, AL
  • Average high temperature in May: 80.6°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.7°F).

  • Average low temperature in May: 60.4°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).

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Average pressure in May
Clay, AL

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

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in May
Clay, AL

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

The windiest months (with the highest average wind speed) are January and February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).

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Average humidity in May
Clay, AL

Average humidity in May - Clay, 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 (72%).

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Average rainfall in May
Clay, AL

Average rainfall in May - Clay, AL
  • Average rainfall in May: 1.54"

The wettest month (with the highest rainfall) is August (2.24").
The driest month (with the least rainfall) is October (1.06").

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Average rainfall days in May
Clay, AL

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

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (7.9 days).

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Average snowfall in May
Clay, AL

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

The month with the highest snowfall is January (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Clay, AL

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

The month with the highest number of snowfall days is February (1 days).
The 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
Clay, AL

Average daylight in May / Average sunshine in May - Clay, AL
  • Average daylight in May: 13h and 55min

The month with the longest days is June (Average daylight: 14h and 22min).
The month with the shortest days is December (Average daylight: 9h and 58min).

  • Average sunshine in May: 10h and 0min

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

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Average sunshine days in May
Clay, AL

Average sunshine days in May - Clay, AL
  • Average sunshine days in May: 15.4 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.6 days).

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Average UV index in May
Clay, AL

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

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in May
Clay, AL

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

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and September (Cloud cover 30).

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Average visibility in May
Clay, AL

Average visibility in May - Clay, 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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