Climate averages 1991–2020
Honiara weather
in October.
A hot, very wet month: the joint 5th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Honiara: daytime highs average 29.5°C and nights cool to about 25.1°C. By daytime temperature it is the joint 5th warmest of the 12 months.
Expect about 271 mm of rain on roughly 27 days, which makes October a very wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 18 min on an average October day.
From October to November, average highs rise by 0.2°C to 29.7°C, and monthly rainfall rises from 271 mm to 287 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Honiara climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.7°C25.4°C | 25.4°C | 365 | 28.4 | 12.613 h |
| February | 29.5°C25.4°C | 25.4°C | 350 | 26.3 | 12.412 h |
| March | 29.5°C25.3°C | 25.3°C | 366 | 28.6 | 12.212 h |
| April | 29.6°C25.3°C | 25.3°C | 301 | 27.4 | 11.912 h |
| May | 29.5°C25.4°C | 25.4°C | 228 | 27.1 | 11.712 h |
| June | 29.2°C25.4°C | 25.4°C | 172 | 24.8 | 11.612 h |
| July | 28.9°C25.2°C | 25.2°C | 203 | 25.2 | 11.612 h |
| August | 29.0°C25.0°C | 25.0°C | 189 | 24.9 | 11.812 h |
| September | 29.3°C25.1°C | 25.1°C | 209 | 24.6 | 12.012 h |
| October, selected | 29.5°C25.1°C | 25.1°C | 271 | 27.3 | 12.312 h |
| November | 29.7°C25.2°C | 25.2°C | 287 | 26.8 | 12.513 h |
| December | 29.8°C25.3°C | 25.3°C | 337 | 27.7 | 12.713 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Honiara) is explained once on the Honiara year overview and on the Sources, method and limits page.