April is one of the warmer months of the year in Kalgoorlie, with average highs near 27.1°C and lows around 12.7°C (mean 19.9°C). It is about average for rainfall, averaging 20 mm of rainfall and 50% relative humidity across the period.
April is one of the warmer months of the year in Kalgoorlie. Across 45 years of records, the warmest April in Kalgoorlie was 1981 — when the month averaged 22.9°C — while the coldest was 1995 at 16.5°C. Typical April days reach 27.1°C with nights near 12.7°C. The long-term April temperature trend is broadly flat.
April is about average for rainfall in Kalgoorlie, averaging 20 mm of rainfall. The wettest April on record was 1995 with 82 mm, while the driest was 1994 at 0 mm.
Relative humidity in Kalgoorlie during April averages 50%. The most humid April was 1992 at 70%, and the least humid was 2021 at 36%.
April receives about 4.7 kWh/m²/day of solar energy in Kalgoorlie. The sunniest April was 1994 at 5.4 kWh/m²/day, and the cloudiest was 1992 at 3.8.
Average wind speed in Kalgoorlie during April is 3 m/s. The windiest Aprils were 1989 and 2005 at 3.5 m/s, while the calmest was 2013 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.2°C | 19.5°C | 19.8°C | 20.0°C | 20.0°C | -0.2°C |
| Avg High | 27.5°C | 26.5°C | 27.0°C | 27.2°C | 27.1°C | -0.4°C |
| Avg Low | 12.9°C | 12.6°C | 12.5°C | 12.7°C | 12.9°C | 0°C |
| Avg Rain | 14 mm | 36 mm | 17 mm | 17 mm | 11 mm | -4 mm |
April temperatures in Kalgoorlie have fallen by about 0.5°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 4.5°C (1984) to a record high of 39°C (2019).
Rainfall in April is about average for rainfall, averaging 20 mm, with a wettest year of 82 mm.
One of the best times to visit Kalgoorlie
April is one of the best times to visit Kalgoorlie. Expect days averaging 27.1°C and nights around 12.7°C (mean 19.9°C) — close to Kalgoorlie's yearly average — with low rainfall (20 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 27.5°C | 20.5°C | 13.6°C | 37.8°C | 7.3°C | 24 mm | 50% | 3.2 m/s | 4.3 |
| 2024 | 25.6°C | 18.5°C | 11.3°C | 30.9°C | 8.7°C | 9 mm | 51% | 3.3 m/s | 4.9 |
| 2023 | 25.3°C | 18.2°C | 11.1°C | 33.9°C | 5.8°C | 15 mm | 51% | 3 m/s | 4.9 |
| 2022 | 25.9°C | 19.4°C | 12.9°C | 34.3°C | 7.3°C | 14 mm | 56% | 3.1 m/s | 4.3 |
| 2021 | 29.7°C | 22.0°C | 14.3°C | 38.5°C | 8.5°C | 1 mm | 36% | 3.3 m/s | 4.9 |
| 2020 | 28.7°C | 21.4°C | 14.1°C | 37.8°C | 5.1°C | 0 mm | 42% | 3 m/s | 4.7 |
| 2019 | 27.3°C | 19.8°C | 12.3°C | 39.0°C | 4.5°C | 29 mm | 49% | 3.4 m/s | 4.6 |
| 2018 | 29.4°C | 21.4°C | 13.5°C | 35.9°C | 9.4°C | 11 mm | 47% | 2.8 m/s | 4.9 |
| 2017 | 26.2°C | 18.8°C | 11.4°C | 31.2°C | 7.9°C | 5 mm | 53% | 2.7 m/s | 4.9 |
| 2016 | 26.2°C | 19.7°C | 13.1°C | 37.5°C | 7.7°C | 10 mm | 55% | 3.2 m/s | 4.3 |
| 2015 | 23.8°C | 17.5°C | 11.1°C | 30.7°C | 6.4°C | 34 mm | 57% | 3.2 m/s | 4.1 |
| 2014 | 26.8°C | 19.7°C | 12.6°C | 32.9°C | 5.8°C | 30 mm | 54% | 2.8 m/s | 4.6 |
| 2013 | 29.1°C | 22.1°C | 15.1°C | 36.0°C | 9.4°C | 12 mm | 52% | 2.4 m/s | 4.4 |
| 2012 | 27.4°C | 19.6°C | 11.9°C | 32.5°C | 7.4°C | 2 mm | 48% | 2.8 m/s | 5 |
| 2011 | 27.4°C | 19.9°C | 12.4°C | 33.8°C | 7.7°C | 9 mm | 51% | 3.3 m/s | 5 |
| 2010 | 28.1°C | 21.1°C | 14.1°C | 33.9°C | 8.7°C | 26 mm | 52% | 2.9 m/s | 4.7 |
| 2009 | 26.6°C | 19.4°C | 12.3°C | 31.0°C | 7.5°C | 26 mm | 52% | 2.9 m/s | 5 |
| 2008 | 26.3°C | 19.0°C | 11.7°C | 32.7°C | 6.5°C | 18 mm | 51% | 3.1 m/s | 4.8 |
| 2007 | 28.0°C | 20.6°C | 13.3°C | 36.2°C | 7.3°C | 4 mm | 45% | 3.1 m/s | 4.8 |
| 2006 | 24.6°C | 17.4°C | 10.3°C | 30.1°C | 6.0°C | 18 mm | 58% | 3 m/s | 4.7 |
| 2005 | 29.7°C | 21.9°C | 14.0°C | 37.3°C | 9.6°C | 14 mm | 44% | 3.5 m/s | 4.6 |
| 2004 | 26.9°C | 19.9°C | 12.8°C | 32.4°C | 8.2°C | 22 mm | 55% | 2.6 m/s | 4.7 |
| 2003 | 27.7°C | 20.6°C | 13.4°C | 33.0°C | 7.9°C | 21 mm | 49% | 3 m/s | 4.7 |
| 2002 | 28.5°C | 21.4°C | 14.2°C | 35.8°C | 8.5°C | 18 mm | 52% | 3.1 m/s | 4.2 |
| 2001 | 27.7°C | 19.9°C | 12.1°C | 34.5°C | 6.5°C | 6 mm | 47% | 2.8 m/s | 5.1 |
| 2000 | 24.4°C | 17.5°C | 10.7°C | 29.5°C | 5.0°C | 19 mm | 63% | 3.1 m/s | 4.9 |
| 1999 | 25.6°C | 18.7°C | 11.8°C | 30.1°C | 6.9°C | 11 mm | 60% | 2.7 m/s | 4.9 |
| 1998 | 26.3°C | 19.5°C | 12.7°C | 36.6°C | 7.5°C | 54 mm | 53% | 3.2 m/s | 4.3 |
| 1997 | 28.0°C | 21.2°C | 14.4°C | 33.6°C | 10.8°C | 31 mm | 51% | 2.8 m/s | 4.3 |
| 1996 | 26.1°C | 18.9°C | 11.8°C | 33.4°C | 7.6°C | 44 mm | 54% | 3 m/s | 4.8 |
| 1995 ❄️ 🌧️ | 22.5°C | 16.5°C | 10.4°C | 30.1°C | 6.7°C | 82 mm | 69% | 2.6 m/s | 4.5 |
| 1994 | 29.0°C | 20.7°C | 12.4°C | 33.7°C | 8.7°C | 0 mm | 37% | 2.8 m/s | 5.4 |
| 1993 | 28.6°C | 21.3°C | 13.9°C | 35.2°C | 6.3°C | 32 mm | 49% | 3 m/s | 4.6 |
| 1992 | 23.8°C | 18.3°C | 12.8°C | 30.5°C | 7.5°C | 58 mm | 70% | 3 m/s | 3.8 |
| 1991 | 28.4°C | 21.0°C | 13.5°C | 36.6°C | 8.4°C | 21 mm | 40% | 3.1 m/s | 5 |
| 1990 | 26.7°C | 19.4°C | 12.1°C | 35.3°C | 6.6°C | 23 mm | 48% | 3.3 m/s | 5.1 |
| 1989 | 26.2°C | 19.5°C | 12.9°C | 33.3°C | 5.3°C | 36 mm | 51% | 3.5 m/s | 4.3 |
| 1988 | 27.3°C | 20.1°C | 12.9°C | 33.1°C | 7.3°C | 40 mm | 50% | 2.9 m/s | 4.3 |
| 1987 | 28.4°C | 21.5°C | 14.5°C | 36.4°C | 8.6°C | 11 mm | 44% | 2.9 m/s | 4.4 |
| 1986 | 27.0°C | 19.4°C | 11.7°C | 34.9°C | 7.1°C | 4 mm | 44% | 3.4 m/s | 5.2 |
| 1985 | 27.6°C | 19.8°C | 11.9°C | 36.7°C | 7.3°C | 3 mm | 42% | 3.3 m/s | 5.2 |
| 1984 | 25.8°C | 18.9°C | 12.0°C | 33.9°C | 4.5°C | 20 mm | 52% | 3.2 m/s | 4.5 |
| 1983 | 26.8°C | 19.6°C | 12.5°C | 32.7°C | 6.0°C | 6 mm | 45% | 2.8 m/s | — |
| 1982 | 27.6°C | 20.0°C | 12.3°C | 35.4°C | 5.1°C | 4 mm | 45% | 2.9 m/s | — |
| 1981 🔥 | 30.9°C | 22.9°C | 15.0°C | 36.2°C | 10.7°C | 5 mm | 40% | 2.8 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 27.1°C with lows near 12.7°C (mean 19.9°C), based on 45 years of NASA POWER data.
April averages 20 mm of rainfall in Kalgoorlie, about average for rainfall. The wettest on record was 82 mm in 1995.
The hottest April reached 39°C in 2019. The coldest dipped to 4.5°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have fallen by about 0.5°C. Daytime highs moved from 27.7°C to 26.8°C and overnight lows from 12.7°C to 12.6°C over the same span.
April is one of the warmer months of the year in Kalgoorlie and about average for rainfall, so plan for around 27.1°C daytime highs and 12.7°C at night.
Not quite — April is the 7th coolest month in Kalgoorlie, averaging 19.9°C.
For April in Kalgoorlie, pack light layers you can adjust through the day, with typical highs of 27.1°C and lows of 12.7°C.
Relative humidity in April averages 50% — relatively dry.
Average wind speed in April is 3 m/s. The windiest April on record averaged 3.5 m/s (1989).
The wettest April on record was 1995 with 82 mm. On average, April sees 20 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Kalgoorlie behaves each April, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for April specifically, along with year-by-year records and how the month has changed over the decades.