Miami Weather in May
United States · Tropical climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
May in Miami sees average temperatures ranging from a low of 23.0°C (73.4°F) to a high of 29.3°C (84.7°F), with a mean of 26.0°C (78.8°F). Compared to the annual average of 24.9°C (76.8°F), this month is 1.1°C warmer than the yearly norm. Precipitation averages 138.5mm, making it approximately 0.0mm drier than the monthly average of 139.0mm. The city receives an average of 11.9 hours of sunshine per day during May, with relative humidity averaging 73.3%. Wind speeds reach an average maximum of 21.4 km/h. For travelers, this month offers a temperature experience in Miami, with drier-than-average conditions compared to the rest of the year.
Miami's data reveals a city that lives between two climate extremes: gorgeous winters and punishing summers. January averages 20°C with 50mm of rain — practically perfect. August averages 29°C with 200mm and 80% humidity. I tracked hurricane season data and September stands out: highest rain (240mm), highest storm risk. The numbers say December-April is the optimal window: 22-25°C, low rain, manageable UV. May-June is statistically underrated — 27°C before peak humidity. July-August is for AC-to-AC dashes. The water stays bathtub-warm 8 months a year, which the data confirms.
May vs Adjacent Months
| Metric | April | May | June |
|---|---|---|---|
| Mean Temp | 24.6°C (76.3°F) | 26.0°C (78.8°F) | 26.9°C (80.4°F) |
| Rainfall | 96.4mm | 138.5mm | 257.5mm |
| Sunshine | 11.7 hrs | 11.9 hrs | 10.4 hrs |
| Humidity | 70.9% | 73.3% | 81.0% |
| Wind | 23.3 km/h | 21.4 km/h | 18.3 km/h |
| Rainy Days | 20.8 | 23.4 | 28.8 |
Seasonal Context
May falls in Spring in the Northern Hemisphere. Spring is a transitional season with temperatures rising from winter lows. For travelers visiting Miami in May, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Miami in May?
The average temperature in Miami during May ranges from 23.0°C (73.4°F) to 29.3°C (84.7°F), with a mean of 26.0°C (78.8°F).
How much does it rain in Miami in May?
Miami receives an average of 138.5mm of precipitation in May, spread across approximately 23.4 rainy days.
What should I pack for Miami in May?
Based on May weather data, pack lightweight, breathable clothing, sunscreen, and a hat. Rain gear is essential — this month averages 138.5mm of precipitation.
Is May a good time to visit Miami?
May is a month with challenging conditions. Plan activities carefully and stay hydrated.
Other Months for Miami
Cities with Similar May Climate (Tropical)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 25.76°, -80.19°. Timezone: America/New_York. Last updated: 2026-07-30.