Climate averages 1991–2020
Perth weather
in April.
A warm, fairly dry month: the 6th warmest and the 6th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
April is a warm month in Perth: daytime highs average 24.8°C and nights cool to about 15.3°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 24 mm of rain on roughly 4 days, which makes April a fairly dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 20 min on an average April day.
The nearest other city in this atlas is Mandurah (65 km away). In April its highs average 24.3°C, 0.5°C cooler than Perth, with 25 mm of rain.
Among the 32 cities listed in Australia, Perth ranks 8th of 32 for the warmest April highs and 2nd of 32 for the driest April (rainfall, lowest first). The mean April high of those 32 cities is 22.4°C; Perth is 2.4°C warmer than that mean.
From April to May, average highs fall by 3.9°C to 20.9°C, and monthly rainfall rises from 24 mm to 67 mm.
The annual picture
April 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
Perth climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 31.2°C18.8°C | 18.8°C | 17 | 1.8 | 14.014 h |
| February | 31.2°C19.2°C | 19.2°C | 16 | 1.5 | 13.213 h |
| March | 28.9°C17.8°C | 17.8°C | 17 | 2.3 | 12.312 h |
| April, selected | 24.8°C15.3°C | 15.3°C | 24 | 4.1 | 11.311 h |
| May | 20.9°C12.4°C | 12.4°C | 67 | 7.8 | 10.511 h |
| June | 17.9°C10.5°C | 10.5°C | 98 | 10.7 | 10.110 h |
| July | 16.7°C9.5°C | 9.5°C | 102 | 12.5 | 10.310 h |
| August | 17.2°C9.6°C | 9.6°C | 89 | 11.0 | 11.011 h |
| September | 18.5°C10.4°C | 10.4°C | 55 | 8.5 | 11.912 h |
| October | 22.0°C12.2°C | 12.2°C | 27 | 4.7 | 12.913 h |
| November | 25.7°C14.9°C | 14.9°C | 19 | 3.7 | 13.714 h |
| December | 29.0°C17.1°C | 17.1°C | 9.3 | 1.6 | 14.214 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
April in nearby cities
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 Perth) is explained once on the Perth year overview and on the Sources, method and limits page.