July weather forecast
Dauphin Island, AL

July weather in Dauphin Island experiences sweltering heat with average maximum temperatures soaring to an annual peak of 88.3°F (31.3°C). Even though rainfall is significant during this month, long sunny days make outdoor excursions possible. The high humidity that July brings can be challenging but the regular sea breeze provides some relief to inhabitants and tourists alike. The balmy sea waters and dependable daylight make this an eventful month. All said, July best embodies the spirit of summer in Dauphin Island, Alabama.

Temperature

Dauphin Island sees the arrival of July with an average high-temperature of a still hot 88.3°F (31.3°C), indicating a subtle variation from June. Dauphin Island, during the month of July, experiences an average low-temperature of 78.4°F (25.8°C).

Heat index

Throughout July, the heat index is estimated at a scorching 104°F (40°C). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Records show heat index calculations are tailored for shaded regions and mild winds. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'feels like' or 'real feel', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. 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. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

In Dauphin Island, the average relative humidity in July is 75%.

Rainfall

In Dauphin Island, during July, the rain falls for 25.3 days and regularly aggregates up to 6.65" (169mm) of precipitation. In Dauphin Island, Alabama, during the entire year, the rain falls for 183.1 days and collects up to 45.94" (1167mm) of precipitation.

Snowfall

February through December are months without snowfall.

Ocean temperature

In Dauphin Island, the average seawater temperature in July is 85.8°F (29.9°C).
Note: Water temperatures from 77°F (25°C) to 84.2°F (29°C) make swimming, diving, and similar activities highly pleasurable and enjoyable for long periods without discomfort.

Daylight

In Dauphin Island, the average length of the day in July is 13h and 52min.
On the first day of the month, sunrise is at 5:54 am and sunset at 7:58 pm. On the last day of July, sunrise is at 6:10 am and sunset at 7:46 pm CDT.

Sunshine

The average sunshine in July in Dauphin Island is 10.8h.

UV index

The months with the highest UV index in Dauphin Island are May through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 7 during July leads to these advisories:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Stay cautious! Sand and water reflections increase UV radiation potency.