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

July brings an average high-temperature of a hot 86.5°F (30.3°C), nearly identical to the preceding month. During July, nights cool slightly to an average low of 81.9°F (27.7°C).

Heat index

The heat index value during July is estimated at a sweltering 96.8°F (36°C). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Note that heat index values are valued for light wind and location in the shade. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

The average relative humidity in July is 72%.

Rainfall

In Miami, during July, the rain falls for 21.4 days and regularly aggregates up to 2.44" (62mm) of precipitation. In Miami, Florida, during the entire year, the rain falls for 182.7 days and collects up to 16.38" (416mm) of precipitation.

Ocean temperature

In Miami, in July, the average water temperature is 85.3°F (29.6°C).
Note: For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

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

Sunshine

With an average of 11.1h of sunshine, July has the most sunshine of the year.

UV index

The months with the highest UV index are May through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 7 in July interprets into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Attention! UV strength is notably upped by the reflection of sand and water.