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 signifies a subtle uplift in the average high-temperature, adjusting from a moderately hot 77.4°F (25.2°C) in April to a still warm 83.7°F (28.7°C). During the month of May, the temperature falls to an average of 64.9°F (18.3°C).Heat index
For most parts of May, the heat index is appraised at a hot 89.6°F (32°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly important for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
May and November, with an average relative humidity of 71%, are the least humid months.Rainfall
In Hartsfield, in May, it is raining for 10.8 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, there are 145.6 rainfall days, and 15.94" (405mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall.Daylight
In May, the average length of the day is 13h and 45min.On the first day of the month, sunrise is at 6:50 am and sunset at 8:15 pm. On the last day of May, sunrise is at 6:32 am and sunset at 8:34 pm EDT.
Sunshine
The average sunshine in May is 10.5h.UV index
May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: In May, the UV index of 7 transforms into the following advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is May?
What is the least humid month?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Hartsfield have in May?
What is the month with the highest UV index?
How high is the UV index in May?
Average temperature in May
Hartsfield, GA
- Average high temperature in May: 83.7°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (58.6°F).
- Average low temperature in May: 64.9°F
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).
Average pressure in May
Hartsfield, GA
- 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 (29.98"Hg).
Average wind speed in May
Hartsfield, GA
- Average wind speed in May: 6.5mph
The windiest months (with the highest average wind speed) are January and March (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).
Average humidity in May
Hartsfield, GA
- Average humidity in May: 71%
The month with the highest relative humidity is August (78%).
The months with the lowest relative humidity are May and November (71%).
Average rainfall in May
Hartsfield, GA
- Average rainfall in May: 0.87"
The wettest month (with the highest rainfall) is June (2.4").
The driest month (with the least rainfall) is November (0.59").
Average rainfall days in May
Hartsfield, GA
- Average rainfall days in May: 10.8 days
The month with the highest number of rainy days is August (22 days).
The month with the least rainy days is November (5.9 days).
Average snowfall in May
Hartsfield, GA
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Hartsfield, 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 February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Hartsfield, GA
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in May: 10h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in May
Hartsfield, GA
- Average sunshine days in May: 18.3 days
The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is August (6.2 days).
Average UV index in May
Hartsfield, GA
- 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
Hartsfield, GA
- Average cloud cover in May: 28
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are May and October (Cloud cover 28).
Average visibility in May
Hartsfield, GA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Hartsfield, Georgia, USA
Weather forecast for your location
2. Allow the app to use your location