Honiara, Solomon Islands Weather
Honiara hourly forecast: next 24 hours
Today's high of 76°F (24°C) is about 7°F (4°C) below the typical August high of 83°F (28°C).
Current conditions in detail
Honiara weather tomorrow (Tuesday, August 11)
Tomorrow in Honiara looks sunny, with a high of 85° and an overnight low of 73°. There is a 79% chance of rain - plan accordingly. Winds top out near 15 mph, and the UV index reaches 11 (extreme).
Honiara 14-day forecast
About the weather in Honiara
Honiara has a tropical rainforest climate, marked by steady heat, high humidity and frequent downpours in every month. Average daytime highs range from about 83°F (28°C) in August to around 85°F (29°C) in January, and the city records roughly 265 days of measurable precipitation a year.
Honiara weather: quick facts
- Hottest month: January - highs near 85°F (29°C)
- Coldest month: August - highs near 83°F (28°C)
- Record high: 92°F (33°C) · Record low: 69°F (20°C) (2015–2024)
- Wettest month: December (26 rainy days) · Sunniest: October (10.5 h sun/day)
- Climate type: tropical rainforest - steady heat, high humidity and frequent downpours in every month
Temperatures through the year
The warmest stretch of the year centers on January. Highs average 85°F (29°C) and overnight lows stay near 76°F (24°C). The coolest month is August, with typical highs of 83°F (28°C) and lows around 74°F (23°C). Based on 2015–2024 weather data, temperatures have reached as high as 92°F (33°C) and dropped as low as 69°F (20°C).
Rain, sun and snow
December is usually the wettest month. It brings about 16.6 inches (421 mm) of rain over 26 days, while June is the driest. October brings the most sunshine, averaging 10.5 hours of sun a day.
Season by season
September through November
September through November in Honiara brings hot afternoons, with daytime highs averaging 84°F (29°C) and nights around 75°F (24°C); expect showers on roughly 63 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
December through February
December through February in Honiara brings hot afternoons, with daytime highs averaging 84°F (29°C) and nights around 76°F (24°C); expect showers on roughly 78 days across the season.
March through May
March through May in Honiara brings hot afternoons, with daytime highs averaging 84°F (29°C) and nights around 75°F (24°C); expect showers on roughly 71 days across the season.
June through August
June through August in Honiara brings hot afternoons, with daytime highs averaging 83°F (29°C) and nights around 74°F (24°C); expect showers on roughly 52 days across the season.
Average temperatures in Honiara by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 85° | 76° | 27 | 14.0 in | 9.2 h/day | 87% |
| February | 84° | 76° | 26 | 15.0 in | 8.4 h/day | 88% |
| March | 84° | 75° | 26 | 13.5 in | 8.8 h/day | 88% |
| April | 84° | 75° | 24 | 11.6 in | 9.0 h/day | 88% |
| May | 84° | 75° | 21 | 6.3 in | 9.3 h/day | 87% |
| June | 83° | 75° | 18 | 5.0 in | 9.5 h/day | 86% |
| July | 83° | 74° | 17 | 5.7 in | 9.4 h/day | 85% |
| August | 83° | 74° | 18 | 5.0 in | 9.4 h/day | 85% |
| September | 84° | 74° | 18 | 5.7 in | 10.3 h/day | 85% |
| October | 85° | 75° | 21 | 5.2 in | 10.5 h/day | 84% |
| November | 84° | 75° | 24 | 10.2 in | 10.0 h/day | 87% |
| December | 84° | 75° | 26 | 16.6 in | 9.2 h/day | 88% |