Miami weather

Miami runs its warmest in summer (June – August), averaging 90°F by day and 77°F overnight. Winter (December – February) is the other end of it: highs around 77°F, lows near 63°F. That is a 27-degree spread between the hottest afternoon and the coldest night of a typical year, which is why the same packing list does not work twice here. Visitor numbers track it closely — winter is full, fall is quiet — so the cheapest weather is rarely the most comfortable weather.

• Winter

  December – February

  77°F / 63°F

  fullcrowds

  fullprices
  • No afternoon storm, so the day can be built in any order
  • Art Basel week in early December ends spontaneous planning for about ten days
  • Cool water: snorkelling is a swim, not an afternoon, without a wetsuit

• Spring

  March – May

  84°F / 70°F

  busycrowds

  busyprices
  • Last dependable all-day outdoor weather before the rainy season
  • Mid-March beach restrictions hit Ocean Drive evenings, not the mainland
  • Ultra closes downtown streets in late March; transit runs extended hours

• Summer

  June – August

  90°F / 77°F

  steadycrowds

  quietprices
  • Storms are a 30–40 minute afternoon event, not an all-day washout
  • Anything on water goes before noon; lightning cancels more trips than rain
  • Heat index, not rainfall, is what ends a walking plan with children

• Fall

  September – November

  85°F / 73°F

  quietcrowds

  quietprices
  • Emptiest weeks of the year — walk-ins and next-day bookings work
  • Peak hurricane season through October: book refundable, watch offshore systems
  • King tides flood low streets on sunny days and reroute your driver

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