May weather forecastJacksonville, GA
May
Weather in May
The last month of the spring, May, is also a moderately hot month in Jacksonville, Georgia, with an average temperature ranging between min 64.9°F (18.3°C) and max 82.6°F (28.1°C).Temperature
Jacksonville's May weather indicates a minor increase in high-temperatures, edging from April's 75.9°F (24.4°C) to a still moderately hot 82.6°F (28.1°C). During May, Jacksonville consistently records a temperature low averaging an enjoyable 64.9°F (18.3°C).Heat index
Throughout May, the heat index is calculated to be a tropical 87.8°F (31°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.Remember that heat index calculations are made for conditions in the shade with light wind. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
In Jacksonville, the average relative humidity in May is 73%.Rainfall
In Jacksonville, in May, during 10.3 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, there are 134.5 rainfall days, and 14.61" (371mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
In May, the average length of the day is 13h and 47min.On the first day of May, sunrise is at 6:45 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 8:32 pm EDT.
Sunshine
In May, the average sunshine is 10.5h.UV index
May through July, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 7 during May translates into the following directions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Jacksonville, GA
- Average high temperature in May: 82.6°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (57.4°F).
- Average low temperature in May: 64.9°F
The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).
Average pressure in May
Jacksonville, GA
- Average pressure in May: 30.01"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
Jacksonville, GA
- Average wind speed in May: 6.9mph
The windiest months (with the highest average wind speed) are February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Jacksonville, GA
- Average humidity in May: 73%
The months with the highest relative humidity are August and December (77%).
The months with the lowest relative humidity are January, October and November (72%).
Average rainfall in May
Jacksonville, GA
- Average rainfall in May: 0.87"
The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in May
Jacksonville, GA
- Average rainfall days in May: 10.3 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (5.5 days).
Average snowfall in May
Jacksonville, GA
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Jacksonville, GA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Jacksonville, GA
- Average daylight in May: 13h and 48min
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 30min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in May
Jacksonville, GA
- Average sunshine days in May: 18.7 days
The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in May
Jacksonville, GA
- Average UV index in May: 7
The months with the highest UV index are May, June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in May
Jacksonville, GA
- Average cloud cover in May: 29
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in May
Jacksonville, 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).





