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 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 arrival signals a modest temperature shift, moving from 77.5°F (25.3°C) in April to a still warm 83.7°F (28.7°C). Saint Marys, during May nights, observes an average temperature of 68.7°F (20.4°C).Heat index
The heat index value for May is evaluated at a hot 89.6°F (32°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.Realize that the values for the heat index are set for shaded places and light winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
In Saint Marys, the average relative humidity in May is 72%.Rainfall
In May, in Saint Marys, the rain falls for 13 days. Throughout May, 1.89" (48mm) of precipitation is accumulated. In Saint Marys, during the entire year, the rain falls for 165.4 days and collects up to 23.15" (588mm) of precipitation.Snowfall
January, March through December are months without snowfall.Daylight
In Saint Marys, the average length of the day in May is 13h and 43min.On the first day of the month, sunrise is at 6:41 am and sunset at 8:05 pm. On the last day of May, sunrise is at 6:23 am and sunset at 8:24 pm EDT.
Sunshine
The average sunshine in May is 10.6h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 7 in May translates into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in May?
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 in Saint Marys?
How long on average sun shines in May?
When is the highest UV index?
How high is the UV index in May?
Average temperature in May
Saint Marys, GA
- Average high temperature in May: 83.7°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (61.5°F).
- Average low temperature in May: 68.7°F
The month with the highest average low temperature is August (76.8°F).
The coldest month (with the lowest average low temperature) is January (47.7°F).
Average pressure in May
Saint Marys, GA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed in May
Saint Marys, GA
- Average wind speed in May: 7mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in May
Saint Marys, GA
- Average humidity in May: 72%
The months with the highest relative humidity are August and December (77%).
The month with the lowest relative humidity is March (71%).
Average rainfall in May
Saint Marys, GA
- Average rainfall in May: 1.89"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in May
Saint Marys, GA
- Average rainfall days in May: 13 days
The month with the highest number of rainy days is August (23.9 days).
The month with the least rainy days is February (8.3 days).
Average snowfall days in May
Saint Marys, GA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Saint Marys, GA
- Average daylight in May: 13h and 4min
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 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in May
Saint Marys, GA
- Average sunshine days in May: 15.4 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is August (4.5 days).
Average UV index in May
Saint Marys, 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 4).
Average cloud cover in May
Saint Marys, GA
- Average cloud cover in May: 27
The month with the most cloud cover is December (Cloud cover 39).
The month with the least cloud cover is May (Cloud cover 27).
Average visibility in May
Saint Marys, 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).
Saint Marys, Georgia, USA
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