Best year time to visit Summer Island

General weather information about Summer Island

Average annual temperature is 18.9 °C

Absolute maximum temperature: 33.9 °C

Absolute minimum temperature: 5.8 °C

Number of sunny days: 164 days

Number of rainy days: 201 days

Look at detailed online map of Summer Island

* Weather data for Summer Island Australia is based on climate observations for 2026 year

Summer Island air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)29.530.730.825.023.822.925.525.431.532.330.933.9
Average daytime temperature (°C)25.526.526.322.320.019.219.620.723.524.624.128.8
Average temperature (°C)22.323.122.818.715.014.014.215.217.619.420.523.8
Average night temperature (°C)19.119.719.615.510.99.69.510.212.414.917.719.9
Absolute minimum temperature (°C)15.615.813.09.96.66.25.86.27.910.413.415.6

Summer Island monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)14.013.012.011.010.010.010.011.012.013.013.014.0
Daylight mean duration (h)13.913.212.311.310.610.210.411.011.912.813.714.1
Daylight minimum duration (h)13.012.011.010.010.010.010.010.011.012.013.013.0
Sunshine mean duration (h)11.711.29.79.59.18.78.79.810.711.29.211.1
Precipitation (mm)1165813174171623168819786
Sunny days511106222220142117511
Rainy days261721249811179142520
Snow days000000000000

Best time to visit Summer Island:

The largest precipitation sum in Summer Island is at

  • January — 116(mm)
  • March — 131(mm)
  • October — 81(mm)
  • November — 97(mm)
  • December — 86(mm)
  • Frequently asked questions

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