Best year time to visit Kauai County

General weather information about Kauai County

Average annual temperature is 23.5 °C

Absolute maximum temperature: 31.4 °C

Absolute minimum temperature: 15.0 °C

Number of sunny days: 23 days

Number of rainy days: 342 days

Look at detailed online map of Kauai County

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

Kauai County air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)27.028.128.628.228.329.931.431.331.030.729.927.7
Average daytime temperature (°C)25.726.025.426.526.627.829.129.329.428.027.825.9
Average temperature (°C)21.622.522.422.923.024.125.125.025.124.223.822.1
Average night temperature (°C)18.619.820.220.120.120.821.721.421.721.221.019.3
Absolute minimum temperature (°C)15.018.517.118.117.818.520.119.820.019.418.917.2

Kauai County monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)11.011.012.012.013.013.013.013.012.011.011.010.0
Daylight mean duration (h)11.011.412.012.713.213.513.312.912.311.611.110.8
Daylight minimum duration (h)10.011.011.012.012.013.013.012.011.011.010.010.0
Sunshine mean duration (h)9.69.010.110.210.912.412.312.011.010.39.58.8
Precipitation (mm)10312816020427328725834621117315979
Sunny days1401200110211
Rainy days172830283130303030292930
Snow days000000000000

Kauai County - weather forecast by months

Kauai County weather in januaryKauai County weather in februaryKauai County weather in marchKauai County weather in aprilKauai County weather in mayKauai County weather in juneKauai County weather in julyKauai County weather in augustKauai County weather in septemberKauai County weather in octoberKauai County weather in novemberKauai County weather in december

Best time to visit Kauai County:

The largest precipitation sum in Kauai County is at

  • May — 273(mm)
  • June — 287(mm)
  • July — 258(mm)
  • August — 346(mm)

    • Weather forecast in the closest to Kauai County admin centers

    Weather forecast in the closest towns to Kauai County

    Explore Kauai County

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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