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, Roswell's weather sees a minor temperature rise, transitioning from an agreeable 72°F (22.2°C) in April to a moderately hot 80.2°F (26.8°C). The temperature lowers to an average of 60.6°F (15.9°C) during May nights.Humidity
The average relative humidity in May is 71%.Rainfall
In Roswell, in May, it is raining for 18.4 days, with typically 4.41" (112mm) of accumulated precipitation. In Roswell, Georgia, during the entire year, the rain falls for 183.1 days and collects up to 45.12" (1146mm) of precipitation.Snowfall
In Roswell, snow does not fall in April through October.Daylight
In Roswell, the average length of the day in May is 13h and 56min.On the first day of the month, sunrise is at 6:47 am and sunset at 8:21 pm. On the last day of May, sunrise is at 6:27 am and sunset at 8:43 pm EDT.
Sunshine
The average sunshine in May is 9.7h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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?
When are sunrise and sunset in May?
How long on average sun shines in May?
When is the highest UV index?
What is the UV index reading in May?
Average temperature in May
Roswell, GA
- Average high temperature in May: 80.2°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (49.3°F).
- Average low temperature in May: 60.6°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 (34.2°F).
Average pressure in May
Roswell, 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
Roswell, 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
Roswell, GA
- Average humidity in May: 71%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are July and August (68%).
Average rainfall in May
Roswell, GA
- Average rainfall in May: 4.41"
The wettest month (with the highest rainfall) is August (5.55").
The driest month (with the least rainfall) is October (2.36").
Average rainfall days in May
Roswell, GA
- Average rainfall days in May: 18.4 days
The month with the highest number of rainy days is July (20.8 days).
The months with the least rainy days are October and November (10.3 days).
Average snowfall in May
Roswell, GA
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.18").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Roswell, GA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (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
Roswell, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in May
Roswell, GA
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (8 days).
Average UV index in May
Roswell, GA
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Roswell, GA
- Average cloud cover in May: 35
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in May
Roswell, 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).
Roswell, Georgia, USA
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