May weather forecastTwin City, GA
May
Weather in May
The last month of the spring, May, is another warm month in Twin City, Georgia, with an average temperature varying between 81.7°F (27.6°C) and 64°F (17.8°C).Temperature
May sees a marginal temperature increase, moving from 74.8°F (23.8°C) in April to a still moderately hot 81.7°F (27.6°C). May witnesses an average nighttime temperature of 64°F (17.8°C).Heat index
The heat index in May is calculated to be a tropical 86°F (30°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
The average relative humidity in May in Twin City, Georgia, is 74%.Rainfall
In Twin City, during May, the rain falls for 11.9 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Twin City, during the entire year, the rain falls for 132.8 days and collects up to 15.24" (387mm) of precipitation.Snowfall
In Twin City, snow does not fall in April through November.Daylight
In Twin City, the average length of the day in May is 13h and 50min.On the first day of the month, sunrise is at 6:40 am and sunset at 8:10 pm. On the last day of May, sunrise is at 6:21 am and sunset at 8:30 pm EDT.
Sunshine
In May, the average sunshine is 10.2h.UV index
In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 6 in May leads to these recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Twin City, GA
- Average high temperature in May: 81.7°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in May: 64°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure in May
Twin City, GA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in May
Twin City, GA
- Average wind speed in May: 7.1mph
The windiest months (with the highest average wind speed) are March and April (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Twin City, GA
- Average humidity in May: 74%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January and November (71%).
Average rainfall in May
Twin City, GA
- Average rainfall in May: 1.22"
The wettest month (with the highest rainfall) is August (2.17").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days in May
Twin City, GA
- Average rainfall days in May: 11.9 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (5.6 days).
Average snowfall days in May
Twin City, GA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.2 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
Twin City, GA
- Average daylight in May: 13h and 48min
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 6min).
- Average sunshine in May: 10h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in May
Twin City, GA
- Average sunshine days in May: 17 days
The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in May
Twin City, GA
- Average UV index in May: 6
The months with the highest UV index are 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
Twin City, GA
- Average cloud cover in May: 32
The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in May
Twin City, 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).





