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Miami Beach weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Miami Beach?
For a warm holiday, the best week has been 25 April – 1 May (Weather Index 96). Favourable start dates for a 7-day trip run from 21 March to 4 May. July, August and September are warmest (30°C), March is driest and April and May have the most sun.
- Warmest
- July, August and September 30°C
- Coolest
- January 23°C
- Driest
- March 19% rain-day chance
- Wettest
- August 78% rain-day chance
- Sunniest
- April and May 12 hours a day
A rain day has 1 mm or more, snow included, so a short shower counts. Monthly averages below give the amounts.
Monthly averages in Miami Beach
Miami Beach historical monthly estimates, 2016–2025. Temperatures and sunshine are daily averages.
| Month | High (°C) | Low (°C) | Rain-day chance (%) | Expected rain days | Precipitation (mm/month) | Sunshine (hours/day) |
|---|---|---|---|---|---|---|
| January | 23.4 | 18.1 | 24.5 | 7.6 | 53.6 | 9.2 |
| February | 24.8 | 20.2 | 22.1 | 6.2 | 36.4 | 10.3 |
| March | 25.5 | 20.7 | 18.7 | 5.8 | 39.3 | 10.6 |
| April | 26.8 | 22.5 | 31.0 | 9.3 | 56.3 | 11.9 |
| May | 28.3 | 24.3 | 44.8 | 13.9 | 120.0 | 11.7 |
| June | 29.4 | 25.9 | 72.3 | 21.7 | 199.1 | 10.8 |
| July | 30.3 | 26.8 | 74.8 | 23.2 | 137.5 | 11.5 |
| August | 30.4 | 26.9 | 77.7 | 24.1 | 180.4 | 11.1 |
| September | 29.8 | 26.1 | 74.7 | 22.4 | 210.2 | 10.1 |
| October | 28.3 | 24.8 | 55.8 | 17.3 | 132.2 | 9.8 |
| November | 26.2 | 22.2 | 36.0 | 10.8 | 78.7 | 9.3 |
| December | 24.7 | 20.1 | 27.1 | 8.4 | 64.6 | 9.1 |
Each month averages its own days. Precipitation includes snow. About the data
Sources
Open-Meteo · 1 Jan 2016 – 31 Dec 2025
- Open-Meteo Historical Weather API
- Local days, 2016–2025, every year weighted equally. Each weekly chart averages its own seven days, without smoothing.
- Shading shows the 10th–90th percentile of past days, not forecast confidence.
- A rain day has at least 1 mm, snow included. The last weekly period has eight days.
- Wind is the average daytime (10:00–18:00) maximum, not gusts. Daylight is calculated from latitude. Missing readings stay blank.
- Mugginess (dew point) comes from the original daily summaries, on UTC days.
- The live two-week forecast comes from the Open-Meteo Weather Forecast API. The Weather Index does not use it.