Honiara monthly weather averages

  • Average daytime temperature

    The bar chart below shows the average monthly peak daytime temperatures at Honiara

    Honiara average temperature chart
    Average monthly temperatures in Honiara (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 30.3 30.2 29.3 30.2 30 30 29.1 29.9 30.1 30.2 30.2 30.3
    °F 86.5 86.4 84.8 86.3 86 86 84.4 85.9 86.2 86.4 86.4 86.5

    Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

  • Average rainfall & rainy days

    The graph below shows the average rainfall and number of rainy days per month.

    Average monthly rainfall in Honiara (mm and inches)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    mm 281 299 331 215 139 100 115 114 114 148 165 234
    inches 11.1 11.8 13 8.5 5.5 3.9 4.5 4.5 4.5 5.8 6.5 9.2
    Rainy days 19 20 22 17 15 13 15 13 14 15 15 18
  • Average daily sunshine

    The bar chart below shows the average daily sunshine hours in Honiara

    Average daily sunshine Honiara
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Hrs sunshine 6.3 5.5 6.1 6 6.1 6 5.3 6.3 6.2 6.4 6.3 6.2
  • Day / night temperatures

    The graph below shows the daily range of temperatures for each month.

    Maximum and minimum daily temperatures in Honiara (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Min °C 22.3 22.2 22.3 22.3 22.2 22.2 21.3 21.3 22.1 22.2 22.2 22.3
    Max °C 30.5 30.4 29.5 30.4 30.2 30.2 29.3 30.2 30.3 30.4 30.4 30.5
    Min °F 72.1 72 72.1 72.1 72 72 70.3 70.3 71.8 72 72 72.1
    Max °F 79.5 79.3 78.6 79.3 79.2 79.2 77.5 78.3 79.2 79.3 79.3 79.5
  • Sea temperature

    The graph below shows the average sea temperature.

    Average sea temperature around Honiara in degrees centigrade and fahrenheit
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 30 29.9 29.7 29.7 29.4 29 28.6 28.3 28.5 28.9 29.4 29.9
    °F 86 85.7 85.5 85.4 84.9 84.2 83.4 82.9 83.2 83.9 84.8 85.7
  • Wind speed

    The graph below shows the average wind speed.

    Average wind speed in Honiara (mph and kmh)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    km/h 5 5 5 4 4 4 5 5 5 4 4 4
    mph 3 3 3 2 2 2 3 3 3 3 2 2

    A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

  • Relative humidity

    The graph below shows the average relative humidity.

    Average relative humidity in Honiara
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    79% 81% 83% 80% 80% 80% 80% 78% 77% 77% 77% 79%

Other monthly averages

Honiara weather stats

Honiara weather statistics
Hottest month: January 30.3°C 86.5°F
Driest month: June 100mm 3.9ins
Sunniest month: August 6.3hrs
Coldest month: July 29.1°C 84.4°F
Wettest month: March 331mm 13ins
Warmest sea: January 30°C 86°F
Map showing location of Honiara (-9.43333, 159.95)

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