Last updated: June 24, 2025
In Miami, United States, the average temperature in May hovers around 19°C (67°F). Expect a range where the minimum dips to 0°C (32°F) and the maximum soars to 37°C (99°F). This month sees an average precipitation of 73 mm (2.9 in) spread over 11 days, accompanied by a humidity level of 78%. Whether you're packing for warmth or a light drizzle, be prepared for the diverse weather!
In May in Miami, the average temperature is 19°C (67°F), with maximums reaching 37°C (99°F) and minimums dipping as low as 0°C (32°F). This diverse temperature range makes Miami an interesting destination for travelers seeking both warm and cooler experiences.
In Miami in May, the precipitation amount is 73 mm (2.9 in), spread over 11 days.
In Miami in May humidity is 78%. With an average temperature of 19°C (67°F), this humidity feels like a warm, heavy blanket enveloping you, making traveling feel both sticky and sluggish as you navigate through the day.
In Miami in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Miami.
UV Risk Categories
Weather in Miami varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Miami, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (37°F) | 21 mm (0.8 inches) | 75% | moderate |
| February Weather | 3°C (38°F) | 13 mm (0.5 inches) | 76% | high |
| March Weather | 10°C (50°F) | 45 mm (1.8 inches) | 64% | very high |
| April Weather | 14°C (57°F) | 40 mm (1.6 inches) | 70% | very high |
| May Weather | 19°C (67°F) | 73 mm (2.9 inches) | 78% | extreme |
| June Weather | 25°C (77°F) | 48 mm (1.9 inches) | 81% | extreme |
| July Weather | 27°C (80°F) | 43 mm (1.7 inches) | 82% | extreme |
| August Weather | 26°C (79°F) | 66 mm (2.6 inches) | 78% | extreme |
| September Weather | 22°C (73°F) | 48 mm (1.9 inches) | 72% | very high |
| October Weather | 14°C (58°F) | 61 mm (2.4 inches) | 73% | high |
| November Weather | 9°C (48°F) | 14 mm (0.5 inches) | 80% | moderate |
| December Weather | 5°C (41°F) | 20 mm (0.8 inches) | 81% | moderate |