Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May brings a slight rise in Commerce's average high-temperature, moving from a moderately hot 77°F (25°C) in April to a still warm 85.1°F (29.5°C). Despite drastic daily temperature oscillations, Commerce cools down to an average low-temperature of 62.8°F (17.1°C) in May.Heat index
For May, the heat index is calculated to be a tropical 93.2°F (34°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
In May, the average relative humidity is 72%.Rainfall
In Commerce, in May, during 13.4 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. In Commerce, Alabama, during the entire year, the rain falls for 171.8 days and collects up to 35.16" (893mm) of precipitation.Snowfall
In Commerce, Alabama, snow does not fall in April through November.Daylight
The average length of the day in May is 13h and 47min.On the first day of May, sunrise is at 6:01 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 7:48 pm CDT.
Sunshine
In Commerce, the average sunshine in May is 10.4h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 7 during May translates into the following directions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
How many hours of daylight does Commerce have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Commerce have in May?
What are the months with the highest UV index in Commerce?
How high is the UV index in May in Commerce?
Average temperature in May
Commerce, AL
- Average high temperature in May: 85.1°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (56.7°F).
- Average low temperature in May: 62.8°F
The month with the highest average low temperature is August (72.1°F).
The coldest month (with the lowest average low temperature) is January (39°F).
Average pressure in May
Commerce, 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 (29.97"Hg).
Average wind speed in May
Commerce, AL
- Average wind speed in May: 5.7mph
The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in May
Commerce, AL
- Average humidity in May: 72%
The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Commerce, AL
- Average rainfall in May: 3.15"
The wettest months (with the highest rainfall) are August and December (3.94").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in May
Commerce, AL
- Average rainfall days in May: 13.4 days
The month with the highest number of rainy days is July (23 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in May
Commerce, AL
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Commerce, 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 and October (0 days).
Average daylight in May /
Average sunshine in May
Commerce, 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 2min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in May
Commerce, AL
- Average sunshine days in May: 16.4 days
The months with the most sunshine days are October and November (21 days).
The month with the least sunshine days is July (6.5 days).
Average UV index in May
Commerce, AL
- Average UV index in May: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in May
Commerce, AL
- Average cloud cover in May: 32
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in May
Commerce, AL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).
Commerce, Alabama, USA
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