May weather forecast and climate
Rock Mills, AL

Weather in May

The last month of the spring, May, is also a moderately hot month in Rock Mills, Alabama, with average temperature ranging between max 81.1°F (27.3°C) and min 60.4°F (15.8°C).

Temperature

In Rock Mills, Alabama, the average high-temperature slightly increases, from 73.4°F (23°C) in April, to a still warm 81.1°F (27.3°C). In May, in Rock Mills, Alabama, the average low-temperature is 60.4°F (15.8°C).

Heat index

In May, the average heat index is calculated to 85.6°F (29.8°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'apparent temperature', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like activity, clothing, metabolic differences, and differences in body mass, height, and shape affect individual temperature impact. 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. 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 74%.

Rainfall

In Rock Mills, Alabama, during 16.3 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, there are 181.7 rainfall days, and 39.06" (992mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall in Rock Mills.

Daylight

In Rock Mills, Alabama, the average length of the day is 13.9h.

Sunshine

In May, the average sunshine in Rock Mills is 10.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in May in Rock Mills?

In May, the average high-temperature is 81.1°F (27.3°C), and the average low-temperature is 60.4°F (15.8°C). In May, the average heat index (a.k.a. 'felt air temperature', 'real feel'), that calculates temperature value influenced by the moisture in the air, is estimated at 85.6°F (29.8°C).

What is the average humidity in May in Rock Mills?

The average relative humidity in May is 74%.

How much does it rain in Rock Mills in May?

In Rock Mills, in May, during 16.3 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

When it does not snow in Rock Mills?

In Rock Mills snow does not fall in April through November.

How many hours of daylight does Rock Mills have in May?

In May, the average length of the day in Rock Mills, Alabama, is 13.9h.

How long on average sun shines in May in Rock Mills?

The average sunshine in May is 10.1h.

What is the month with the highest UV index in Rock Mills?

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

How high is the UV index in May in Rock Mills?

The average daily maximum UV index in May in Rock Mills, Alabama, is 6. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation.

Average temperature in May
Rock Mills, AL

Average temperature in May - Rock Mills, AL
  • Average high temperature in May: 81.1°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (52°F).

  • Average low temperature in May: 60.4°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).

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Average pressure in May
Rock Mills, AL

Average pressure in May - Rock Mills, AL
  • Average pressure in May: 30.02"

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

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Average wind speed in May
Rock Mills, AL

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

The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).

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Average humidity in May
Rock Mills, AL

Average humidity in May - Rock Mills, 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
Rock Mills, AL

Average rainfall in May - Rock Mills, AL
  • Average rainfall in May: 2.91"

The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is October (1.93").

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Average rainfall days in May
Rock Mills, AL

Average rainfall days in May - Rock Mills, AL
  • Average rainfall days in May: 16.3 days

The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in May
Rock Mills, AL

Average snowfall in May - Rock Mills, AL
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.47").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in May
Rock Mills, AL

Average snowfall days in May - Rock Mills, 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 May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Rock Mills, AL

Average daylight in May / Average sunshine in May - Rock Mills, 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: 10.1h

Months with the most sunshine are June and July (Average sunshine: 10.5h).
Months with the least sunshine are February and December (Average sunshine: 5).

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Average sunshine days in May
Rock Mills, AL

Average sunshine days in May - Rock Mills, AL
  • Average sunshine days in May: 13.1 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (7.5 days).

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Average UV index in May
Rock Mills, AL

Average UV index in May - Rock Mills, AL
  • Average UV index in May: 6

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in May
Rock Mills, AL

Average cloud cover in May - Rock Mills, AL
  • Average cloud cover in May: 33

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 31).

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Average visibility in May
Rock Mills, AL

Average visibility in May - Rock Mills, AL
  • Average visibility in May: 6mi

Months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
Months with the lowest visibility are July and August (5mi).

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