Weather in Honiara in August 2025
- August is usually the driest month of the year in Honiara
Average weather
Average temperature in Honiara in August
The expected average maximum temperature in August is +27°C with a maximum of +28°C and a minimum of +24°C.
The average maximum temperature goes down 25% by the end of the month, compared with the beginning of the month, from +27°C to +26°C.
Is Honiara warm or cold in August?
Honiara is typically warm in August.
Maximum temperatures go up compared to the previous month from +28°C to +28°C. The minimum temperature also goes up from +24°C to +24°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how August is compared to other months in Honiara:
Climate in Honiara in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +28°C | +28°C | +28°C | ||||
| Min. temperature | ||||||
| +20°C | +19°C | +19°C | ||||
| Max. temperature | ||||||
| +33°C | +34°C | +34°C | ||||
| Rainfall | ||||||
| 167 mm | 158 mm | 177 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 86% | 85% | 85% | ||||
| Air pressure | ||||||
| 1010 HPa | 1011 HPa | 1011 HPa | ||||
| Sunny days | ||||||
| 0 | 0 | 0 | ||||
| Cloudy days | ||||||
| 2 | 3 | 2 | ||||
| Rainy days | ||||||
| 27 | 26 | 26 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. The temperature levels stay the same in the area of +28°C for average maximum temperature during the day. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 167 mm to 158 mm. It feels drier, as humidity decreases from 86% to 85%. The average wind speed doesn’t change much during August, staying around 2 m/s. The amount of sunny days stay about the same, averaging 0 sunny days during the month.
September brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Honiara is gradually decreasing during August, going from 3 m/s to 1 m/s over the course of the month.
Rain
How was the weather last August in Honiara?
Climate Change over Years
The climate in Honiara in August has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+27°C) and the highest in 2020 (+31°C). The driest year was 1997 with only 1911 mm of rainfall, and the wettest year was 2023 with 4299 mm.
FAQ
Is August a good time to visit Honiara?
Can you sunbathe in Honiara in August?
Is Honiara rainy in August?
Is it sunny in Honiara in August?
Monthly weather in Honiara
Source of the data
For this page, we’ve looked at the typical weather in Honiara, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
