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
With the onset of May, Alpharetta's weather sees a minor temperature rise, transitioning from an agreeable 71.4°F (21.9°C) in April to a warm 79.5°F (26.4°C). An average low-temperature of 60.4°F (15.8°C) is observed during May nights.Humidity
In May, the average relative humidity is 72%.Rainfall
In May, in Alpharetta, the rain falls for 16.3 days. Throughout May, 2.68" (68mm) of precipitation is accumulated. In Alpharetta, Georgia, during the entire year, the rain falls for 158.7 days and collects up to 26.06" (662mm) of precipitation.Snowfall
In Alpharetta, snow does not fall in April through October.Daylight
In Alpharetta, the average length of the day in May is 13h and 57min.On the first day of the month, sunrise is at 6:46 am and sunset at 8:21 pm. On the last day of May, in Alpharetta, sunrise is at 6:26 am and sunset at 8:43 pm EDT.
Sunshine
In May, the average sunshine in Alpharetta is 9.8h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 6 during May leads to these advisories:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. 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
What is the average May temperature in Alpharetta?
What is the average humidity in May in Alpharetta?
How much does it rain in Alpharetta in May?
When it does not snow in Alpharetta?
How many hours of daylight does Alpharetta have in May?
When is the sunrise / sunset in May in Alpharetta?
How long on average sun shines in May in Alpharetta?
What is the month with the highest UV index in Alpharetta?
How high is the UV index in May in Alpharetta?
Average temperature in May
Alpharetta, GA
- Average high temperature in May: 79.5°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (49.1°F).
- Average low temperature in May: 60.4°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).
Average pressure in May
Alpharetta, 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
Alpharetta, 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 (4.5mph).
Average humidity in May
Alpharetta, GA
- Average humidity in May: 72%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are July and August (69%).
Average rainfall in May
Alpharetta, GA
- Average rainfall in May: 2.68"
The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is October (1.34").
Average rainfall days in May
Alpharetta, GA
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is October (9 days).
Average snowfall in May
Alpharetta, GA
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Alpharetta, GA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.5 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
Alpharetta, GA
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 9h and 5min
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 6min).
Average sunshine days in May
Alpharetta, GA
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in May
Alpharetta, GA
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Alpharetta, GA
- Average cloud cover in May: 34
The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in May
Alpharetta, 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).
Alpharetta, Georgia, USA
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