May weather forecastSan Augustine, TX
May
Weather in May
The last month of the spring, May, is another warm month in San Augustine, Texas, with an average temperature fluctuating between 64.2°F (17.9°C) and 84.9°F (29.4°C).Temperature
San Augustine's transition into May is noticed by a slight rise in the average high-temperature, advancing from 77.2°F (25.1°C) in April to a still warm 84.9°F (29.4°C). During the nights in May, San Augustine experiences a consistent average temperature of 64.2°F (17.9°C).Heat index
For May, the heat index is estimated at a sweltering 95°F (35°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
In San Augustine, Texas, the average relative humidity in May is 75%.Rainfall
The month with the most rainfall is May, when the rain falls for 12.5 days and typically aggregates up to 2.4" (61mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In San Augustine, Texas, the average length of the day in May is 13h and 46min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:56 pm. On the last day of May, sunrise is at 6:12 am and sunset at 8:16 pm CDT.
Sunshine
In May, the average sunshine in San Augustine is 9h.UV index
The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 6 during May translates into the following directions:
Resist extreme sun exposure. Guarding against solar damage is essential. 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. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
San Augustine, TX
- Average high temperature in May: 84.9°F
The warmest month (with the highest average high temperature) is August (94.8°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in May: 64.2°F
The months with the highest average low temperature are July and August (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure in May
San Augustine, TX
- Average pressure in May: 29.95"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
San Augustine, TX
- Average wind speed in May: 6.1mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).
Average humidity in May
San Augustine, TX
- Average humidity in May: 75%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (71%).
Average rainfall in May
San Augustine, TX
- Average rainfall in May: 2.4"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is November (0.87").
Average rainfall days in May
San Augustine, TX
- Average rainfall days in May: 12.5 days
The month with the highest number of rainy days is August (14.5 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in May
San Augustine, TX
- Average snowfall in May: 0"
The month with the highest snowfall is December (0.12").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
San Augustine, TX
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
San Augustine, TX
- Average daylight in May: 13h and 48min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in May: 9h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in May
San Augustine, TX
- Average sunshine days in May: 17.1 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is August (14 days).
Average UV index in May
San Augustine, 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 and December (UV index 3).
Average cloud cover in May
San Augustine, TX
- Average cloud cover in May: 41
The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are August and October (Cloud cover 33).
Average visibility in May
San Augustine, TX
- Average visibility in May: 5mi
The month with the highest visibility is October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, November and December (5mi).
