Austin and Miami have similar daytime temperatures, Miami has 9.9°C (17.8°F) warmer nights, Miami gets 536 mm (21.1 in) more rain a year.
Austin is at its warmest in August and coolest in January, while Miami peaks in August and bottoms out in January. Month for month, Miami is the warmer of the two in 9 of 12 months.
Miami is the wetter of the two, collecting 1,374 mm (54.1 in) of rain a year against 838 mm (33 in) in Austin. The most comfortable time to visit is April, May and October in Austin and January, February and December in Miami.
| Austin | Metric | Miami |
|---|---|---|
| 🌡️ Temperature | ||
| 80.2°F | 🌡️Average daytime high | 79.7°F |
| 57.6°F | 🌙Average nighttime low | 75.4°F |
| August | 🔥Hottest month | August |
| January | ❄️Coldest month | January |
| 🌧️ Rain | ||
| 33 in | 🌧️Annual rainfall | 54.1 in |
| May | ☔Wettest month | June |
| February | 🏜️Driest month | February |
| 💨 Climate | ||
| 68% | 💧Average humidity | 76% |
| 2.9 m/s | 💨Average wind speed | 4.3 m/s |
Overnight, Austin typically falls to around 14.2°C (57.6°F) while Miami settles near 24.1°C (75.4°F).
Austin is hottest in August and coldest in January, whereas Miami peaks in August and is coolest in January.
Austin sees the most rain in May and the least in February; Miami is wettest in June and driest in February.
Miami feels the more humid of the two, averaging 76% relative humidity against 68%.
For Miami, the pick of the year is January, February and December.
Month by month, here is the coldest night, the average day and the hottest afternoon each city can expect. Switch Compare to read rainfall, humidity, wind or solar instead, and Period to move between the long-term 45-year average and any single year — the shading is a quick warm-to-cool guide.
| Month | Austin | Miami | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | 38.1 | 49.3❄️ | 60.6 | 67.3 | 70❄️ | 72.9 |
| February | 41.7 | 53.4 | 64.9 | 68.9 | 71.6 | 74.3 |
| March | 48.9 | 61 | 73 | 70.3 | 73 | 75.9 |
| April | 56.5 | 68.9 | 81.1 | 73.4 | 75.9 | 78.4 |
| May | 65.3 | 76.3 | 87.3 | 77.2 | 79.2 | 81.3 |
| June | 72.1 | 82.8 | 93.4 | 80.4 | 82 | 83.8 |
| July | 74.7 | 85.6 | 96.6 | 82 | 83.5 | 85.1 |
| August | 75.4 | 86.7🔥 | 97.9 | 82.4 | 84🔥 | 85.6 |
| September | 69.4 | 80.4 | 91.4 | 81.3 | 82.9 | 84.4 |
| October | 59.4 | 71.1 | 82.8 | 78.4 | 80.1 | 81.9 |
| November | 48.6 | 59.9 | 71.1 | 73.9 | 75.9 | 78.1 |
| December | 40.6 | 51.6 | 62.6 | 70.2 | 72.5 | 74.8 |
| Annual Avg | 57.6 | 68.9 | 80.2 | 75.6 | 77.5 | 79.7 |
Min / mean / max temperature (°F). 🔥 marks each city's hottest month, ❄️ its coldest; shading runs cool blue to warm red.
The same figures plotted out, so the shape of a typical year is easier to see than in a grid. Where the two lines run close together Austin and Miami feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. Austin Miami
See how Austin and Miami stack up against other cities. Swipe for more.
Choose which city to keep, then search for any other city in our database — we'll build the comparison for you.
Quick answers to the questions people ask most when comparing Austin and Miami — each drawn straight from the climate figures above.
Austin and Miami are about equally warm. Daytime highs average 26.8°C (80.2°F) in Austin and 26.5°C (79.7°F) in Miami, so neither is clearly the warmer choice over the year. Nights are milder in Miami, with average lows of 24.1°C (75.4°F) versus 14.2°C (57.6°F).
Austin is hottest in August, averaging highs of about 36.6°C (98°F), while Miami peaks in August at around 29.8°C (85.6°F). That makes Austin the hotter of the two at the height of summer.
Austin gets colder. In its coldest month (January) overnight lows average about 3.4°C (38.1°F), compared with 19.6°C (67.2°F) at the low point of the year in Miami.
Miami is the wetter city, collecting about 1,374 mm (54.1 in) of rain a year versus 838 mm (33 in) in Austin. Austin is wettest in May and driest in February; Miami is wettest in June and driest in February.
Miami is the more humid of the two, averaging 76% relative humidity over the year against 68% in Austin.
The most comfortable months in Austin are April, May and October, when average temperatures are at their mildest.
Miami is at its most pleasant around January, February and December, based on the mildest average temperatures of the year.
Miami is the warmer city in 9 of the 12 months of the year. The gap is widest in December, about 11.6°C (20.9°F), and narrowest in June, about 0.4°C (0.7°F).
Austin has the bigger seasonal swing, about 20.8°C (37.4°F) between its coldest and hottest months versus 7.8°C (14°F) in Miami — so Miami has the steadier, more even climate.
On climate alone, Austin comes out ahead — it offers less rain and lower humidity than Miami. Miami is the better fit only if you'd actually prefer more rainfall and a more humid climate.
Every figure on this page is calculated from NASA POWER satellite climate data spanning 1981–2025 (45 years). The averages describe the long-term climate of Austin and Miami, not a single year's weather or a short-range forecast.
