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
Greenville's May weather indicates a minor increase in high-temperatures, edging from April's warm 77°F (25°C) to a still moderately hot 84.7°F (29.3°C). May nights present a sharp contrast to daytime highs, with average temperatures of 62.8°F (17.1°C).Heat index
May's mean heat index is estimated at a hot 93.2°F (34°C). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', takes into account both air temperature and humidity to illustrate what people actually feel. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
In Greenville, Alabama, the average relative humidity in May is 72%.Rainfall
In Greenville, during May, the rain falls for 14.1 days and regularly aggregates up to 3.35" (85mm) of precipitation. In Greenville, during the entire year, the rain falls for 177.6 days and collects up to 37.6" (955mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in May is 13h and 47min.On the first day of the month, sunrise is at 5:59 am and sunset at 7:27 pm. On the last day of May, sunrise is at 5:41 am and sunset at 7:47 pm CDT.
Sunshine
In Greenville, the average sunshine in May is 10.3h.UV index
In May, the average daily maximum UV index in Greenville is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 6 in May, converts into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in 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 Greenville have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Greenville, AL
- Average high temperature in May: 84.7°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (56.1°F).
- Average low temperature in May: 62.8°F
The months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in May
Greenville, 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
Greenville, AL
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in May
Greenville, AL
- Average humidity in May: 72%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Greenville, AL
- Average rainfall in May: 3.35"
The wettest month (with the highest rainfall) is August (4.69").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in May
Greenville, AL
- Average rainfall days in May: 14.1 days
The month with the highest number of rainy days is July (23.6 days).
The month with the least rainy days is November (8 days).
Average snowfall in May
Greenville, 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
Greenville, AL
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Greenville, 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 42min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in May
Greenville, AL
- Average sunshine days in May: 15.1 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (5 days).
Average UV index in May
Greenville, AL
- Average UV index in May: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in May
Greenville, 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
Greenville, AL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Greenville, Alabama, USA
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