Best year time to visit Guadalcanal

General weather information about Guadalcanal

Average annual temperature is 17.5 °C

Absolute maximum temperature: 41.1 °C

Absolute minimum temperature: -2.6 °C

Number of sunny days: 262 days

Number of rainy days: 103 days

Look at detailed online map of Guadalcanal

* Weather data for Guadalcanal Spain is based on climate observations for 2026 year

Guadalcanal air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.920.227.234.331.840.640.141.134.534.123.419.8
Average daytime temperature (°C)12.615.520.726.425.230.036.036.427.824.417.814.1
Average temperature (°C)7.38.913.818.919.024.128.428.721.519.012.38.1
Average night temperature (°C)2.93.07.511.112.717.219.620.315.313.97.93.6
Absolute minimum temperature (°C)-2.4-2.6-2.55.89.911.815.414.59.57.82.2-2.3

Guadalcanal monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.910.812.013.214.214.814.513.612.411.210.19.6
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)7.39.09.411.811.412.313.112.410.47.96.96.8
Precipitation (mm)14412756371040922136
Sunny days192124261618303118152321
Rainy days127741512101216710
Snow days000000000000

Guadalcanal - weather forecast by months

Guadalcanal weather in januaryGuadalcanal weather in februaryGuadalcanal weather in marchGuadalcanal weather in aprilGuadalcanal weather in mayGuadalcanal weather in juneGuadalcanal weather in julyGuadalcanal weather in augustGuadalcanal weather in septemberGuadalcanal weather in octoberGuadalcanal weather in novemberGuadalcanal weather in december

Best time to visit Guadalcanal:

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

  • July — 13.1(h)
  • August — 12.4(h)

The largest precipitation sum in Guadalcanal is at

  • May — 56(mm)
  • June — 37(mm)
  • September — 40(mm)
  • October — 92(mm)
  • December — 36(mm)

    • Weather forecast in the closest to Guadalcanal admin centers

    Weather forecast in the closest towns to Guadalcanal

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    Frequently asked questions

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