July weather forecast
Galveston, TX

As the peak of summer, July experiences the highest temperatures all year. The sultry days, hinted by the sea temperature climaxing at 86.1°F, are balanced out by a breeze blowing at a cozy 9.8mph. July is not only the warmest but also sees some of the highest rainfall levels peaking at an average of 3.19". Despite the occasional weather extremes, July remains a favored time for sun-soaked activities, thanks to the persistent sunshine and relatively low cloud cover.

Temperature

Galveston records an average high-temperature of a tropical 86.4°F as July arrives, nearly mirroring the previous month's climate. A mild drop to an average of 81.7°F marks the nights during July.

Heat index

For most parts of July, the heat index is computed to be a torrid 98.6°F. Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

In Galveston, the average relative humidity in July is 76%.

Rainfall

In Galveston, Texas, during July, the rain falls for 18.3 days and regularly aggregates up to 3.19" of precipitation. In Galveston, Texas, during the entire year, the rain falls for 161.9 days and collects up to 24.33" of precipitation.

Snowfall

March through December are months without snowfall in Galveston.

Ocean temperature

In July, the average ocean temperature in Galveston is 86°F.
Note: The joy of experiencing a cool dive can be less in waters above 86°F.

Daylight

The average length of the day in July in Galveston is 13h and 49min.
On the first day of July in Galveston, Texas, sunrise is at 6:23 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 8:12 pm CDT.

Sunshine

In Galveston, the average sunshine in July is 10.8h.

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 threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 7 in July interprets into the following advice:
Fend off overexposure. Sun protection is vital. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be wary! Reflections from sand and water make UV radiation more intense.