Planning for the weather is an important factor for making your trip to Coconut Grove a success, especially when you’re splurging. The hottest months are usually October and November, with an average temperature of 29°C, while the coldest months are July and June, with an average of 26°C. The rainiest months in Coconut Grove are January, February, March and December, with each month seeing an average of 336 inches of rainfall.