The climate in Miami during May can be summarized as warm and a little damp.
May is in the spring in Miami and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 26°C (79°F), whilst at night 12°C (53°F) is normal.
| Daytime temperature | 26.4°C 79.4°F | 
|---|---|
| Nightly temperature | 11.5°C 52.6°F | 
| Average temperature | 18.9°C 66°F | 
| Daily sunshine | 10.7 hrs | 
| Avg rainfall | 89 mm 3.5 ins | 
| Rainy days | 9 days | 
| Sea temperature | 16.4°C 61.5°F | 
| Humidity | 59% | 
| Windspeed | 23.8kph 15 mph | 
On average May is the wettest month of the year in Miami with around 89mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.7 hours of sunshine per day.
				
						
						The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Miami in May 2025.
| Hottest month: | July | 33.6°C 92.5°F | 
|---|---|---|
| Driest month: | January | 14mm 0.6ins | 
| Sunniest month: | July | 12.3hrs | 
| Coldest month: | January | 8°C 46.4°F | 
| Wettest month: | May | 89mm 3.5ins |