Honiara monthly weather averages

Average daytime temperature

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

Honiara average temperature chart (Celsius) Honiara average temperature chart (Fahrenheit)
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.

Honiara monthly rainfall chart (mm) Honiara monthly rainfall chart (inches)
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

Honiara average daily sunshine chart
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.

Honiara average minimum / maximum temperatures (Celsius) Honiara average minimum / maximum temperatures (Fahrenheit)
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.

Honiara average sea temperature chart (Celsius) Honiara average sea temperature chart (Fahrenheit)
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.

Honiara average winspeed by month (km/h) Honiara average winspeed by month (mph)
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.

Honiara relative humidity averages
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

UV index Best time to go?

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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