Best year time to visit Key Biscayne

General weather information about Key Biscayne

Average annual temperature is 24.7 °C

Absolute maximum temperature: 34.8 °C

Absolute minimum temperature: 5.3 °C

Number of sunny days: 93 days

Number of rainy days: 272 days

Look at detailed online map of Key Biscayne

* Weather data for Key Biscayne United States is based on climate observations for 2026 year

Key Biscayne air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)28.430.331.230.731.533.234.834.533.633.129.529.1
Average daytime temperature (°C)25.226.928.028.329.629.932.432.030.929.227.324.1
Average temperature (°C)20.822.923.524.325.326.228.228.327.125.423.720.8
Average night temperature (°C)17.019.419.820.921.423.224.825.424.122.320.818.1
Absolute minimum temperature (°C)5.312.314.717.817.620.323.523.022.114.614.310.6

Key Biscayne monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.013.013.013.013.012.011.011.010.0
Daylight mean duration (h)10.711.312.012.813.413.713.613.012.311.610.910.6
Daylight minimum duration (h)10.010.011.012.013.013.013.012.011.011.010.010.0
Sunshine mean duration (h)9.710.210.610.811.810.510.710.59.89.98.96.7
Precipitation (mm)224993203126263225217232125301274
Sunny days17161149020291013
Rainy days141220262230293128222018
Snow days000000000000

Key Biscayne - weather forecast by months

Key Biscayne weather in januaryKey Biscayne weather in februaryKey Biscayne weather in marchKey Biscayne weather in aprilKey Biscayne weather in mayKey Biscayne weather in juneKey Biscayne weather in julyKey Biscayne weather in augustKey Biscayne weather in septemberKey Biscayne weather in octoberKey Biscayne weather in novemberKey Biscayne weather in december

Best time to visit Key Biscayne:

The largest precipitation sum in Key Biscayne is at

  • June — 263(mm)
  • July — 225(mm)
  • September — 232(mm)
  • November — 301(mm)
  • December — 274(mm)

    • Weather forecast in the closest to Key Biscayne admin centers

    Weather forecast in the closest towns to Key Biscayne

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    Frequently asked questions

    When is the best time to visit Key Biscayne?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Key Biscayne.
    What is the weather like in Key Biscayne?
    See average temperature, rainfall and daylight hours for Key Biscayne by month in the table above.
    How many sunny days does Key Biscayne have?
    The monthly weather statistics above show sunshine and rainfall patterns for Key Biscayne throughout the year.