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's onset is marked by a subtle temperature increase, moving from a pleasant 72.3°F (22.4°C) in April to a moderately hot 80.8°F (27.1°C). Throughout the month of May, Norcross witnesses an average temperature of 61.3°F (16.3°C).Heat index
Throughout May, the heat index is evaluated at 84.2°F (29°C). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.Note that heat index values are valued for light wind and location in the shade. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
In May, the average relative humidity is 71%.Rainfall
In Norcross, Georgia, in May, during 15.8 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. In Norcross, during the entire year, the rain falls for 154.1 days and collects up to 23.74" (603mm) of precipitation.Snowfall
In Norcross, snow does not fall in April through October.Daylight
In Norcross, the average length of the day in May is 13h and 56min.On the first day of the month, sunrise is at 6:46 am and sunset at 8:20 pm. On the last day of May, sunrise is at 6:26 am and sunset at 8:42 pm EDT.
Sunshine
The average sunshine in May is 9.8h.UV index
In Norcross, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: During May, 6 as the daily maximum UV index converts into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How much 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 long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Norcross, GA
- Average high temperature in May: 80.8°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in May: 61.3°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in May
Norcross, 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
Norcross, GA
- Average wind speed in May: 5.8mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in May
Norcross, GA
- Average humidity in May: 71%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (68%).
Average rainfall in May
Norcross, GA
- Average rainfall in May: 2.56"
The wettest month (with the highest rainfall) is August (3.58").
The driest months (with the least rainfall) are January and October (1.34").
Average rainfall days in May
Norcross, GA
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in May
Norcross, GA
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Norcross, GA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1.1 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
Norcross, 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 0min).
Average sunshine days in May
Norcross, GA
- Average sunshine days in May: 13.4 days
The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in May
Norcross, GA
- Average UV index in May: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Norcross, 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
Norcross, 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).
Norcross, Georgia, USA
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