July weather forecast
Miami, FL

July in Miami, Florida brings the height of summer with it, accompanied by hot days and frequent afternoon rain showers. The most prominent weather feature of July is the soaring daytime temperature, reaching the year's maximum of 86.5°F (30.3°C). Compared to June, both average high temperatures and rainfall amounts soar, making it one of the most physically perceivable shifts in the year. Despite these warm conditions, evenings and nights remain quite comfortable due to the coastal breeze. Moving into August, residents should anticipate a continuation of this warm and wet weather pattern.

Temperature

The advent of July reveals an average high-temperature of a tropical 86.5°F (30.3°C), showing minimal difference from the prior month. In July, Miami experiences a marginal drop in temperature, with averages of 81.9°F (27.7°C) at night.

Heat index

July's average heat index is computed to be a very hot 96.8°F (36°C). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. 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. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

The average relative humidity in July is 72%.

Rainfall

In Miami, in July, it is raining for 21.4 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, in Miami, Florida, there are 182.7 rainfall days, and 16.38" (416mm) of precipitation is accumulated.

Ocean temperature

In Miami, Florida, the average seawater temperature in July is 85.3°F (29.6°C).
Note: A water temperature from 77°F (25°C) to 84.2°F (29°C) is considered very warm and enjoyable, allowing water activities to be pleasant for extended periods without irritation.

Daylight

In Miami, the average length of the day in July is 13h and 34min.
On the first day of the month, sunrise is at 6:33 am and sunset at 8:16 pm. On the last day of July, sunrise is at 6:47 am and sunset at 8:07 pm EDT.

Sunshine

The month with the most sunshine in Miami is July, with an average of 11.1h of sunshine.

UV index

The months with the highest UV index in Miami are May through October, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In July, the maximum UV index of 7 translates into these guidelines:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. During bright days, sunglasses that offer UVA and UVB defense are recommended. Notice! The reflection of water and sand increases the UV radiation significantly.