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Sunny Isles Beach has a tropical monsoon climate.
Hot all year, with humid air and reliable rain — no real cool season.
What this climate feels like
The four things a regular visitor actually wants to know:
Daytime highs near 31°C most of the year. About 29 days a year above 32 °C.
Even the coolest nights stay near 16°C.
About 1452 mm of rain a year. Wettest in September.
A roughly even mix of sun and cloud.
What "tropical monsoon" means
Climate scientists sort every place on Earth into about 30 climate types, based on how hot, cold, wet and dry it is across the year. Sunny Isles Beach's type — tropical monsoon — sits in the broad family of hot, humid climates near the equator.
Researchers write climate types as a short letter code. Here is what each letter means:
Cities with the same climate as Sunny Isles Beach
A tropical monsoon climate (Am) — these recognizable cities share it. If you know one of them, you know roughly what to expect.
Sunny Isles Beach sits near a climate boundary
This city sits right on the line between tropical monsoon and the next type along. Different climate maps file it on different sides of that line; the lived weather doesn't change at the line — it's a naming boundary, not a wall.
Has Sunny Isles Beach's climate type changed?
Stable — Sunny Isles Beach's climate has held the same type between the 1971–2000 and 1991–2020 normals. The label is steady; the climate beneath it is still warming.
What this climate means for you
Tropical fruit and rice thrive on the monsoon rhythm. Time outdoor planting and harvest around the dry months; the wet season brings flooding and rot risk.
The dry months are the comfortable window for outdoor travel — the wet months bring heavy rain in concentrated bursts, not continuous drizzle.
Hot and humid year-round, with a dramatic shift to heavy rain in the wet months. Building drainage and storm-readiness matter as much as cooling.
Where these numbers come from
The climate type and the month-by-month figures on this page are computed from Sunny Isles Beach's measured 30-year climate normals (1991–2020) — the same official records behind Sunny Isles Beach's main climate page, so the two always agree.
Long-range climate maps measure things slightly differently and can place a city in a neighbouring category. Where they differ, this page uses the measured station record as the climate today.
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Miami Beach (NOAA GHCN station USW00092811), about 16 km from the city centre.