Capital city in Guadalcanal, Solomon Islands
Honiara weather by month and the best time to visit
When to go to Honiara
May–Oct is drier and cooler, with best diving visibility. Nov–Apr is hot, humid and wet, with cyclone risk.
Honiara weather by month
Average daily high, rainfall and conditions.
- Jan30°263 mm
- Feb29°305 mm
- Mar29°277 mm
- Apr29°220 mm
- May29°214 mm
- Jun29°143 mm
- Jul29°135 mm
- Aug29°114 mm
- Sep29°107 mm
- Oct30°160 mm
- Nov30°166 mm
- Dec30°221 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 30°C85°F | 26°C80°F | 263 mm | 83% | Rainy |
| February | 29°C85°F | 26°C79°F | 305 mm | 84% | Very wet |
| March | 29°C85°F | 26°C79°F | 277 mm | 84% | Rainy |
| April | 29°C85°F | 26°C80°F | 220 mm | 84% | Rainy |
| May | 29°C85°F | 26°C79°F | 214 mm | 84% | Rainy |
| June | 29°C84°F | 26°C79°F | 143 mm | 85% | Pleasant |
| July | 29°C83°F | 26°C78°F | 135 mm | 85% | Pleasant |
| August | 29°C84°F | 25°C78°F | 114 mm | 83% | Pleasant |
| September | 29°C85°F | 26°C78°F | 107 mm | 82% | Pleasant |
| October | 30°C85°F | 26°C78°F | 160 mm | 81% | Rainy |
| November | 30°C86°F | 26°C79°F | 166 mm | 81% | Rainy |
| December | 30°C86°F | 26°C80°F | 221 mm | 81% | Rainy |
Quick answers
What is the best month to visit Honiara?
May–Oct. May–Oct is drier and cooler, with best diving visibility. Nov–Apr is hot, humid and wet, with cyclone risk.
When is the rainy season in Honiara?
Rain peaks in February with about 305 mm. Months with 150 mm or more: Oct–May.
What is the hottest month in Honiara?
December, with average highs of 30°C (86°F).
How cold does Honiara get?
The coolest nights are in August, averaging 25°C (78°F).
More about Honiara
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Sources
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 1.4°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.