May weather forecastMarietta, TX
May
Weather in May
May, the last month of the spring in Marietta, is another warm month, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 82.2°F (27.9°C).Temperature
Marietta's weather in May presents a minor rise in the average high-temperature, moving from 74.5°F (23.6°C) in April to a still warm 82.2°F (27.9°C). Throughout the month of May, Marietta witnesses an average low-temperature of 62.6°F (17°C).Heat index
During May, the heat index is evaluated at a hot 87.8°F (31°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.Consider that heat index readings are for situations in the shade and light wind. 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 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
The average relative humidity in May in Marietta, Texas, is 76%.Rainfall
In Marietta, during May, the rain falls for 13.5 days and regularly aggregates up to 3.5" (89mm) of precipitation. In Marietta, during the entire year, the rain falls for 145.9 days and collects up to 31.1" (790mm) of precipitation.Snowfall
In Marietta, snow does not fall in March through November.Daylight
In May, the average length of the day in Marietta, Texas, is 13h and 53min.On the first day of May in Marietta, sunrise is at 6:29 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:21 pm CDT.
Sunshine
The average sunshine in May is 9h.UV index
In Marietta, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 6 during May translates into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Marietta, TX
- Average high temperature in May: 82.2°F
The warmest month (with the highest average high temperature) is August (94.3°F).
The month with the lowest average high temperature is January (53.1°F).
- Average low temperature in May: 62.6°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (37°F).
Average pressure in May
Marietta, TX
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Marietta, TX
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Marietta, TX
- Average humidity in May: 76%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (67%).
Average rainfall in May
Marietta, TX
- Average rainfall in May: 3.5"
The wettest month (with the highest rainfall) is April (3.62").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in May
Marietta, TX
- Average rainfall days in May: 13.5 days
The month with the highest number of rainy days is August (15 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in May
Marietta, TX
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Marietta, TX
- 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 March, April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Marietta, TX
- Average daylight in May: 13h and 54min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in May
Marietta, TX
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in May
Marietta, TX
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Marietta, TX
- Average cloud cover in May: 37
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in May
Marietta, TX
- 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).
