Bradycardia can be caused by: 1  Changes in the heart that are the result of aging. 2  Diseases that damage the heart's electrical system. These include coronary artery disease, heart attack, and infections such as endocarditis and myocarditis.  Conditions that can slow electrical impulses through the heart.
Averages for Orlando in August. August in Orlando is characterised by high heat and humidity, with rain very likely. Similar to July, the average daytime temperatures are around 33Â°C (about 92Â°F) so itâs not the best time to go to Orlando if youâre not used to hot weather. You canât even rely on a drop in temperature at night with average minimum temperatures of around 23Â°C (about 73Â°F).
Average Temperatures Like most of Florida, Orlando has a sub-tropical climate: freezing temperatures are incredibly rare. As illustrated in the graph below, during July, the warmest month of summer, the average maximum daytime temperature is around 91Â°F (33Â°C); and during January, the coldest month of winter, the average minimum nighttime temperature is around 48Â°F (9Â°C).