Miami weather by month
Miami is warmest in August (31°C average high) and coolest in January (24°C). For warm, mostly dry weather, go April, July and November. The sea is warm enough for easy swimming all year.
Warmest month
August
31°C
Coolest month
January
24°C
Wettest month
June
237 mm
Flight from London
9h
direct, estimated
Miami temperature by month
Tap a month for the detail and warmer alternatives.
| Month | Day | Night | Sea | Rain |
|---|---|---|---|---|
| January | 24°C | 17°C | 22°C | 80 mm |
| February | 25°C | 20°C | 24°C | 63 mm |
| March | 26°C | 20°C | 25°C | 68 mm |
| April | 28°C | 22°C | 26°C | 79 mm |
| May | 29°C | 23°C | 29°C | 157 mm |
| June | 30°C | 25°C | 30°C | 237 mm |
| July | 31°C | 26°C | 32°C | 141 mm |
| August | 31°C | 26°C | 32°C | 164 mm |
| September | 30°C | 25°C | 31°C | 213 mm |
| October | 29°C | 24°C | 28°C | 156 mm |
| November | 27°C | 21°C | 26°C | 99 mm |
| December | 25°C | 19°C | 24°C | 87 mm |
When to go to Miami
What is the best month to visit Miami for sun?
For warm, mostly dry days, go April, July and November, going by our 10-year averages.
What is the hottest month in Miami?
August averages 31°C. January is the coolest at 24°C.
When does it rain most in Miami?
June, with about 237 mm of rain.
When is the sea warm enough to swim in Miami?
all year, when the sea averages 21°C or more.
Planning the trip? Start with our 3-day Miami itinerary, and see the best time to visit Miami for crowds and events.
How we measured this
Daily averages from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis); sea temperatures are 2023 to 2025 averages from the Open-Meteo marine archive. Rain is the average monthly total.
Going to Miami?
Save the places you find on TikTok and Instagram for Miami to one map, and Dream Trip will plan the days around them.
