Honiara Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Honiara.
Climate overview of Honiara
With consistently stable weather, Honiara, Guadalcanal, Solomon Islands, sees little seasonal temperature change. Daytime highs average 28°C (82°F), ranging from 29°C (84°F) in January to 28°C (82°F) in August.
Rainfall is high, totalling around 3421 mm (135 in) per year. February is the wettest month and June the driest. The most sunshine falls in October, with an average of 7.6 hours of daily sunshine.
Honiara Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Honiara — and find the best time to visit.
Monthly Temperature in Honiara
The climate in Honiara remains fairly constant, offering comfortable temperatures throughout the year. Average maximum daytime temperatures range from a comfortable 29°C (84°F) in January, the warmest time of the year, to a comfortable 28°C (82°F) during cooler months like August.
At night, you can expect temperatures ranging from 25°C (77°F) in January to around 24°C (75°F) during August.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Honiara
Honiara is known for its substantial rainfall, with annual precipitation reaching 3421 mm (135 in). While rainfall varies throughout the year, each season offers its own charm. February brings wetter days averaging 394 mm (16 in) of precipitation, spread over 20 rainy days.
In contrast, the driest month June experiences a drier climate, with about 195 mm (7.7 in) of rainfall spread across 13 rainy days. For more details, please visit our Honiara Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Honiara
While the amount of sunshine in Honiara varies throughout the year, all seasons offer their own charm. Enjoy up to 7.6 hours of daily sun in October, and experience slightly darker atmosphere in February, with about 5.1 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Water Temperature in Honiara
The mean water temperature over the year ranges from 28°C (82°F) in May to 29°C (84°F) in January.
Water temperature over the year
Humidity in Honiara by Month
The relative humidity is high throughout the year in Honiara.
The city experiences its highest humidity in February, reaching 81%. In August, the humidity drops to its lowest level at 73%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Honiara
Embrace the wet climate by bringing proper rain gear and plan activities that are indoor. Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.
Frequently asked questions about the climate in Honiara
What is the best time to visit Honiara?
June and August typically offer the most optimal weather in Honiara. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions.
What temperatures can I expect in Honiara?
Daytime highs range from 28°C (82°F) in August to 29°C (84°F) in January. Nighttime lows range from 24°C (75°F) to 25°C (77°F). Temperatures stay relatively stable year-round.
How much rain does Honiara get?
Annual rainfall is around 3421 mm (135 in). February is the wettest month with 394 mm (16 in), while June is the driest with 195 mm (7.7 in).
How sunny is Honiara?
Honiara receives around 2,335 hours of sunshine per year. October is the sunniest month with 228 hours, while February is the cloudiest with just 154 hours. Overall, Honiara enjoys abundant sunshine.
Honiara 3-Day Forecast
Honiara 3-Day Forecast
Honiara on the map
Honiara is highlighted — select any city to see its climate.
Popular this month
Where to go in June — average daytime high across popular destinations.
