Best year time to visit Key

General weather information about Key

Average annual temperature is 17.0 °C

Absolute maximum temperature: 35.8 °C

Absolute minimum temperature: -4.1 °C

Number of sunny days: 179 days

Number of rainy days: 186 days

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

Key air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)21.025.024.928.729.933.635.135.832.028.625.721.1
Average daytime temperature (°C)14.117.218.321.525.729.431.631.728.422.917.513.5
Average temperature (°C)9.311.712.515.819.823.426.025.822.617.411.78.2
Average night temperature (°C)5.57.77.510.614.718.321.221.217.512.77.24.0
Absolute minimum temperature (°C)-4.1-3.8-4.14.75.814.819.216.813.25.3-3.4-3.4

Key monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.211.012.013.013.914.414.213.412.411.310.49.9
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)5.86.58.59.410.611.611.510.410.68.57.16.7
Precipitation (mm)168125132165691289715941306572
Sunny days12111813121381118222021
Rainy days19171317191723201291010
Snow days000000000000

Key - weather forecast by months

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

Best time to visit Key:

The best time to visit Key during the most sunny months:

  • June — 11.6(h)
  • July — 11.5(h)

The largest precipitation sum in Key is at

  • January — 168(mm)
  • March — 132(mm)
  • April — 165(mm)
  • August — 159(mm)

    • Weather forecast in the closest to Key admin centers

    Weather forecast in the closest towns to Key

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    Frequently asked questions

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