Climate averages 1991–2020

Bunbury weather
in July.

A mild, wet month: the coolest and the wettest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 15.7°C Daytime mean, July

Average low 9.9°C Night-time mean, July

Rainfall 127 mm 14 days with ≥1 mm

Daylight 10 h Sunrise to sunset, per day

July is a mild month in Bunbury: daytime highs average 15.7°C and nights cool to about 9.9°C. By daytime temperature it is the coolest month of the year.

Expect about 127 mm of rain on roughly 14 days, which makes July a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 10 h 10 min on an average July day.

The nearest other city in this atlas is Mandurah (89 km away). In July its highs average 16.4°C, 0.7°C warmer than Bunbury, with 111 mm of rain.

Among the 32 cities listed in Australia, Bunbury ranks 20th of 32 for the warmest July highs and 32nd of 32 for the driest July (rainfall, lowest first). The mean July high of those 32 cities is 16.5°C; Bunbury is 0.8°C cooler than that mean.

From July to August, average highs rise by 0.2°C to 16.0°C, and monthly rainfall falls from 127 mm to 106 mm.

The annual picture

July in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Bunbury climate table

1991–2020

Monthly climate averages for Bunbury, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	28.4°C16.8°C	16.8°C	11	1.9	14.114 h
February	28.5°C17.2°C	17.2°C	13	1.6	13.313 h
March	26.3°C16.3°C	16.3°C	22	3.1	12.312 h
April	22.8°C14.4°C	14.4°C	30	4.9	11.311 h
May	19.3°C12.3°C	12.3°C	87	8.4	10.410 h
June	16.8°C10.9°C	10.9°C	117	11.6	10.010 h
July, selected	15.7°C9.9°C	9.9°C	127	13.7	10.210 h
August	16.0°C9.6°C	9.6°C	106	12.3	10.911 h
September	16.8°C10.0°C	10.0°C	74	9.9	11.912 h
October	19.5°C11.2°C	11.2°C	34	5.5	12.913 h
November	22.9°C13.4°C	13.4°C	29	4.8	13.814 h
December	26.2°C15.2°C	15.2°C	11	1.9	14.314 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.

Compare places

July in nearby cities

Distance from Bunbury

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 limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Bunbury) is explained once on the Bunbury year overview and on the Sources, method and limits page.