July weather forecastThibodaux, LA
July
Weather in July
July in Thibodaux, Louisiana brings the scorching summer heat, typical of the Southern US. The weather becomes particularly harsh during midday when the sun shines at its brightest. July sees temperatures reaching the highest point of the year, soaring to an average high of 90°F (32.2°C). Despite the temperatures, residents accustom themselves to the prolonged daylight hours and the extended sunshine hours. August though continues the trend, albeit with a high percentage of rainfall and slightly lower days of sunshine.Temperature
The warmest temperatures occur during July, when averages reach a peak of 90°F (32.2°C) and a low of 75.7°F (24.3°C).Heat index
For most parts of July, the heat index is evaluated at a life-threatening hot 113°F (45°C). Stay on guard: Heat exhaustion and heat cramps are predicted. Ongoing effort can cause heatstroke.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.
Humidity
July through September and December, with an average relative humidity of 79%, are the most humid months.Rainfall
July is the month with the most rainfall. Rain falls for 21.7 days and accumulates 4.61" (117mm) of precipitation.Snowfall
In Thibodaux, snow does not fall in February through November.Daylight
In July, the average length of the day in Thibodaux is 13h and 50min.On the first day of the month, sunrise is at 6:06 am and sunset at 8:08 pm. On the last day of July, sunrise is at 6:22 am and sunset at 7:56 pm CDT.
Sunshine
The average sunshine in July is 10.5h.UV index
May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 7 in July, converts into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Thibodaux, LA
- Average high temperature in July: 90°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (60.8°F).
- Average low temperature in July: 75.7°F
The months with the highest average low temperature are July and August (75.7°F).
The coldest month (with the lowest average low temperature) is January (46.2°F).
Average pressure in July
Thibodaux, LA
- Average pressure in July: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in July
Thibodaux, LA
- Average wind speed in July: 5.2mph
The windiest months (with the highest average wind speed) are February and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in July
Thibodaux, LA
- Average humidity in July: 79%
The months with the highest relative humidity are July, August, September and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in July
Thibodaux, LA
- Average rainfall in July: 4.61"
The wettest month (with the highest rainfall) is July (4.61").
The driest month (with the least rainfall) is November (1.14").
Average rainfall days in July
Thibodaux, LA
- Average rainfall days in July: 21.7 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (7.2 days).
Average snowfall days in July
Thibodaux, LA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in July /
Average sunshine in July
Thibodaux, LA
- Average daylight in July: 13h and 48min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in July: 10h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in July
Thibodaux, LA
- Average sunshine days in July: 6 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is August (5.8 days).
Average UV index in July
Thibodaux, LA
- Average UV index in July: 7
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, November and December (UV index 4).
Average cloud cover in July
Thibodaux, LA
- Average cloud cover in July: 29
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in July
Thibodaux, LA
- Average visibility in July: 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).





