Bunbury Climate by Month
Bunbury, Western Australia, Australia
Warm summers and mild winters, with most rain from May to September.
Bunbury has warm summers and mild winters, with most rain from May to September. Expect highs of 85°F (29°C) in January and 63°F (17°C) in July, with the coldest nights (July) near 47°F (9°C). Of the 29 in (737 mm) of rain in a typical year, 77% falls from May to September.
- Warmest month
- 85°F(29°C)
- Average high, January
- Coldest nights
- 47°F(9°C)
- Average low, July
- Rain per year
- 29 in(737 mm)
- Wettest: July
- Humidity
- 67%
- Sunniest: December
Best and worst months in Bunbury
Best for weatherThe most comfortable weather comes in April and November, with highs around 76°F (24°C) and about 1.3 in (34 mm) of rain a month.
Least pleasantJuly and August are the least pleasant; July is the coldest, with highs of only 63°F (17°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in April.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Bunbury weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 85°F(29°C) | 61°F(16°C) | 0.4 in(11 mm) | 58% | 8.0 |
| FebFebruary | 85°F(29°C) | 62°F(17°C) | 0.4 in(10 mm) | 57% | 7.3 |
| MarMarch | 81°F(27°C) | 60°F(16°C) | 1.1 in(29 mm) | 58% | 5.8 |
| AprAprilBest | 75°F(24°C) | 56°F(14°C) | 1.4 in(36 mm) | 69% | 4.3 |
| MayMay | 70°F(21°C) | 52°F(11°C) | 4.0 in(102 mm) | 71% | 3.2 |
| JunJune | 66°F(19°C) | 49°F(9°C) | 5.4 in(136 mm) | 75% | 2.7 |
| JulJuly | 63°F(17°C) | 47°F(9°C) | 5.5 in(139 mm) | 73% | 2.9 |
| AugAugust | 64°F(18°C) | 47°F(9°C) | 4.3 in(109 mm) | 79% | 3.7 |
| SepSeptember | 67°F(19°C) | 49°F(9°C) | 3.1 in(80 mm) | 73% | 5.0 |
| OctOctober | 71°F(22°C) | 51°F(11°C) | 1.7 in(42 mm) | 71% | 6.4 |
| NovNovemberBest | 76°F(25°C) | 55°F(13°C) | 1.2 in(31 mm) | 65% | 7.5 |
| DecDecember | 81°F(27°C) | 58°F(14°C) | 0.5 in(12 mm) | 57% | 8.3 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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