May weather forecast and climate
Mellow Valley, AL

Weather in May

The last month of the spring, May, is a warm month in Mellow Valley, Alabama, with average temperature ranging between max 81°F (27.2°C) and min 59.7°F (15.4°C).

Temperature

In May, the average high-temperature slightly increases, from an agreeable 72.9°F (22.7°C) in April, to a warm 81°F (27.2°C). In May, the average low-temperature is 59.7°F (15.4°C).

Heat index

The average heat index is calculated to 85.3°F (29.6°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity 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 'real feel', 'feels like', 'apparent temperature', or 'felt air temperature', 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 (metabolic differences, clothing, pregnancy). 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 Mellow Valley, the average relative humidity in May is 74%.

Rainfall

In May, the rain falls for 16.4 days. Throughout May, 3.23" (82mm) of precipitation is accumulated. Throughout the year, in Mellow Valley, there are 184.4 rainfall days, and 42.17" (1071mm) of precipitation is accumulated.

Snowfall

In Mellow Valley, Alabama, snow does not fall in April through November.

Daylight

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

Sunshine

In Mellow Valley, the average sunshine is 10.2h.

UV index

Months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV radiation for the average person.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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 Mellow Valley?

In Mellow Valley, Alabama, in May, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 59.7°F (15.4°C). In May, the average heat index (a.k.a. 'feels like', 'real feel'), that combines relative humidity and air temperature, is appraised at 85.3°F (29.6°C).

What is the average humidity in May in Mellow Valley?

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

How much does it rain in Mellow Valley in May?

In Mellow Valley, Alabama, in May, during 16.4 rainfall days, 3.23" (82mm) of precipitation is typically accumulated.

When it does not snow in Mellow Valley?

In Mellow Valley snow does not fall in April through November.

What is the average length of the day in May in Mellow Valley?

The average length of the day in May is 13.9h.

How long on average sun shines in May in Mellow Valley?

The average sunshine in May in Mellow Valley is 10.2h.

What is the month with the highest UV index in Mellow Valley?

Months with the highest UV index in Mellow Valley are May through August, with an average maximum UV index of 6.

What is the UV index reading in May in Mellow Valley?

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from the exposure to the Sun's UV radiation.

Average temperature in May
Mellow Valley, AL

Average temperature in May - Mellow Valley, AL
  • Average high temperature in May: 81°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 (50.7°F).

  • Average low temperature in May: 59.7°F

Months with the highest average low temperature are July and August (69.4°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

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Average pressure in May
Mellow Valley, AL

Average pressure in May - Mellow Valley, 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
Mellow Valley, AL

Average wind speed in May - Mellow Valley, AL
  • Average wind speed in May: 5.6mph

The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).

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Average humidity in May
Mellow Valley, AL

Average humidity in May - Mellow Valley, 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 (73%).

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Average rainfall in May
Mellow Valley, AL

Average rainfall in May - Mellow Valley, AL
  • Average rainfall in May: 3.23"

The wettest month (with the highest rainfall) is August (4.37").
The driest month (with the least rainfall) is October (2.09").

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Average rainfall days in May
Mellow Valley, AL

Average rainfall days in May - Mellow Valley, AL
  • Average rainfall days in May: 16.4 days

The month with the highest number of rainy days is July (24 days).
The month with the least rainy days is November (8.3 days).

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Average snowfall in May
Mellow Valley, AL

Average snowfall in May - Mellow Valley, AL
  • Average snowfall in May: 0"

The month with the highest snowfall is December (0.67").
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
Mellow Valley, AL

Average snowfall days in May - Mellow Valley, AL
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (1.4 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
Mellow Valley, AL

Average daylight in May / Average sunshine in May - Mellow Valley, 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: 10.2h

The month with the most sunshine is June (Average sunshine: 10.5h).
Months with the least sunshine are February and December (Average sunshine: 4.9).

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Average sunshine days in May
Mellow Valley, AL

Average sunshine days in May - Mellow Valley, AL
  • Average sunshine days in May: 12.7 days

Months with the most sunshine days are October and November (19.7 days).
The month with the least sunshine days is July (5.6 days).

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Average UV index in May
Mellow Valley, AL

Average UV index in May - Mellow Valley, 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
Mellow Valley, AL

Average cloud cover in May - Mellow Valley, AL
  • Average cloud cover in May: 33

Months with the most cloud cover are February and December (Cloud cover 47).
Months with the least cloud cover are June, September and October (Cloud cover 31).

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Average visibility in May
Mellow Valley, AL

Average visibility in May - Mellow Valley, 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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