July weather forecastGalliano, LA
July
Weather in July
July, the same as June, in Galliano, Louisiana, is another hot summer month, with an average temperature fluctuating between 77.7°F (25.4°C) and 88.7°F (31.5°C).Temperature
Entering July, the average high-temperature is recorded at a still hot 88.7°F (31.5°C), exhibiting a minimal shift from June's 88.2°F (31.2°C). In the month of July, the average temperature dips to a warm 77.7°F (25.4°C) during the night.Heat index
The heat index value during July is estimated at a scorching 105.8°F (41°C). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.
Humidity
The average relative humidity in July in Galliano is 76%.Rainfall
In Galliano, in July, during 18.5 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. Throughout the year, there are 139.9 rainfall days, and 16.38" (416mm) of precipitation is accumulated.Daylight
In Galliano, the average length of the day in July is 13h and 49min.On the first day of the month, sunrise is at 6:05 am and sunset at 8:05 pm. On the last day of July, sunrise is at 6:21 am and sunset at 7:54 pm CDT.
Sunshine
In Galliano, the average sunshine in July is 10.6h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: In July, a daily maximum UV index of 7 leads to the following instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Galliano, LA
- Average high temperature in July: 88.7°F
The warmest month (with the highest average high temperature) is August (89.1°F).
The month with the lowest average high temperature is January (61.5°F).
- Average low temperature in July: 77.7°F
The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (49.1°F).
Average pressure in July
Galliano, LA
- Average pressure in July: 30.01"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).
Average wind speed in July
Galliano, LA
- Average wind speed in July: 6.3mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in July
Galliano, LA
- Average humidity in July: 76%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is October (71%).
Average rainfall in July
Galliano, LA
- Average rainfall in July: 2.68"
The wettest month (with the highest rainfall) is August (2.76").
The driest month (with the least rainfall) is March (0.63").
Average rainfall days in July
Galliano, LA
- Average rainfall days in July: 18.5 days
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is November (6.5 days).
Average daylight in July /
Average sunshine in July
Galliano, 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 36min
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 24min).
Average sunshine days in July
Galliano, LA
- Average sunshine days in July: 9.3 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (8.4 days).
Average UV index in July
Galliano, 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 and December (UV index 4).
Average cloud cover in July
Galliano, LA
- Average cloud cover in July: 29
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in July
Galliano, 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).





