May weather forecastMcCollum, GA
May
Weather in May
The last month of the spring, May, is a moderately hot month in McCollum, Georgia, with an average temperature ranging between min 60.6°F (15.9°C) and max 80.8°F (27.1°C).Temperature
May introduces a minor temperature shift, with average high-temperatures adjusting from April's agreeable 73°F (22.8°C) to a warm 80.8°F (27.1°C). Nighttime temperature lowers to an average of 60.6°F (15.9°C) in May.Heat index
May's mean heat index is computed to be 84.2°F (29°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.Realize that the values for the heat index are set for shaded places and light winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
In May, the average relative humidity in McCollum is 74%.Rainfall
In May, the rain falls for 16.1 days. Throughout May, 2.91" (74mm) of precipitation is accumulated. Throughout the year, in McCollum, there are 179.7 rainfall days, and 39.76" (1010mm) of precipitation is accumulated.Snowfall
In McCollum, snow does not fall in April through October.Daylight
The average length of the day in May in McCollum is 13h and 54min.On the first day of the month, sunrise is at 6:49 am and sunset at 8:22 pm. On the last day of May, sunrise is at 6:29 am and sunset at 8:43 pm EDT.
Sunshine
In May, the average sunshine in McCollum is 9.9h.UV index
May through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 6 in May interprets into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
McCollum, GA
- Average high temperature in May: 80.8°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (51.6°F).
- Average low temperature in May: 60.6°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in May
McCollum, GA
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in May
McCollum, GA
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in May
McCollum, GA
- Average humidity in May: 74%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are October and November (72%).
Average rainfall in May
McCollum, GA
- Average rainfall in May: 2.91"
The wettest month (with the highest rainfall) is August (5.04").
The driest month (with the least rainfall) is October (2.13").
Average rainfall days in May
McCollum, GA
- Average rainfall days in May: 16.1 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in May
McCollum, GA
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
McCollum, GA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
McCollum, GA
- Average daylight in May: 13h and 54min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 9h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in May
McCollum, GA
- Average sunshine days in May: 14 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (7 days).
Average UV index in May
McCollum, GA
- Average UV index in May: 6
The months with the highest UV index are May, June, July, August and September (UV index 6).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in May
McCollum, GA
- Average cloud cover in May: 33
The month with the most cloud cover is December (Cloud cover 46).
The months with the least cloud cover are June and October (Cloud cover 31).
Average visibility in May
McCollum, GA
- 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).





