Weather radar Honiara
Real-time precipitation radar · Guadalcanal · Solomon Islands
Honiara climate table – average temperature, precipitation & sunshine hours
The climate table for Honiara shows long-term monthly averages (2000–2023): average high and average low temperature in °C, monthly precipitation (mm), rainy days and sunshine hours per month. Data source: ERA5 reanalysis (ECMWF) via the WDTEC Climate Archive.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 29.5° | 29.3° | 29.3° | 29.4° | 29.3° | 29.1° | 29.1° | 28.8° | 29.1° | 29.3° | 29.3° | 29.3° |
| Avg low (°C) | 26.4° | 26.3° | 26.2° | 26.3° | 26.4° | 26.3° | 26.2° | 25.9° | 26° | 26° | 26.1° | 26.3° |
| Precipitation (mm) | 455 | 478 | 414 | 351 | 335 | 179 | 197 | 236 | 224 | 284 | 352 | 450 |
| Rainy days | 28 | 27 | 29 | 28 | 29 | 27 | 24 | 28 | 27 | 28 | 28 | 28 |
| Sunshine hours | 244 | 213 | 241 | 252 | 262 | 274 | 289 | 282 | 294 | 306 | 298 | 272 |
| Humidity | 88% | 89% | 88% | 88% | 88% | 87% | 86% | 86% | 86% | 87% | 87% | 88% |
Best time to visit Honiara
The best time to visit Honiara is typically July. In this month the average high is 29.1°C, precipitation is 197 mm and sunshine duration is 289 hours. The annual average high is 29.2°C, total annual precipitation is 3955 mm (331 rainy days/year) and annual sunshine is 3227 hours.
Frequently asked questions about the weather in Honiara
How up to date is the weather radar for Honiara?
The weather radar for Honiara is updated every 5 minutes with new radar data from the OPERA composite radar. A 2-hour forecast animation is also available. Rainfall probability, wind gusts and UV index are available up to 14 days in advance.
What weather data is available for Honiara?
Besides the rain radar, RadarWeather provides for Honiara: rainfall probability, thunderstorm warning (CAPE index), wind gusts, UV index, air pressure, humidity, dew point, sunshine hours, snow line and a 14-day forecast based on ICON-D2, ECMWF IFS and GFS.
When are thunderstorms expected in Honiara?
The thunderstorm potential for Honiara is calculated from the CAPE index and lightning potential. Active storm cells and severe weather warnings are visible on the radar map in real time. Thunderstorm warnings are issued automatically as soon as storm cells are detected near Honiara.
What is the climate like in Honiara?
Honiara has an annual average high of 29.2°C. The warmest month is January (avg high 29.5°C), the coldest August (avg low 25.9°C). The wettest month is February with 478 mm, the driest June with 179 mm. Total annual precipitation is 3955 mm (331 rainy days). Annual sunshine is 3227 hours.
Weather radar near Honiara
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