April is one of the warmer months of the year in Katanning, with average highs near 23.9°C and lows around 10.9°C (mean 17.4°C). It is one of the drier months, averaging 27 mm of rainfall and 66% relative humidity across the period.
April is one of the warmer months of the year in Katanning. Across 45 years of records, the warmest April in Katanning was 1999 — when the month averaged 19.4°C — while the coldest was 2006 at 14.7°C. Typical April days reach 23.9°C with nights near 10.9°C. The long-term April temperature trend is broadly flat.
April is one of the drier months in Katanning, averaging 27 mm of rainfall. The wettest April on record was 2023 with 76 mm, while the driest was 1982 at 1 mm.
Relative humidity in Katanning during April averages 66%. The most humid April was 2016 at 77%, and the least humid was 1994 at 55%.
April receives about 4.2 kWh/m²/day of solar energy in Katanning. The sunniest Aprils were 1994 and 2024 at 4.7 kWh/m²/day, and the cloudiest was 2016 at 3.4.
Average wind speed in Katanning during April is 3.3 m/s. The windiest April was 1989 at 3.9 m/s, while the calmest was 2017 at 2.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.4°C | 17.6°C | 17.0°C | 17.7°C | 17.3°C | -0.1°C |
| Avg High | 24.2°C | 24.1°C | 23.5°C | 24.2°C | 23.7°C | -0.5°C |
| Avg Low | 10.5°C | 11.1°C | 10.6°C | 11.2°C | 11.0°C | +0.5°C |
| Avg Rain | 23 mm | 21 mm | 31 mm | 23 mm | 39 mm | +17 mm |
April temperatures in Katanning have stayed relatively stable across the record.
April has ranged from a record low of 4°C (1984) to a record high of 35.2°C (2019).
Rainfall in April is one of the drier months, averaging 27 mm, with a wettest year of 76 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A good time to visit Katanning
April is a good time to visit Katanning, with days averaging 23.9°C and nights around 10.9°C (mean 17.4°C, warmer than Katanning's yearly average) and low rainfall. December and February are marginally more temperate, but April still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 24.3°C | 18.1°C | 11.8°C | 31.2°C | 6.7°C | 23 mm | 66% | 3.2 m/s | 4 |
| 2024 | 25.1°C | 18.1°C | 11.0°C | 31.6°C | 7.9°C | 3 mm | 55% | 3.7 m/s | 4.7 |
| 2023 🌧️ | 21.2°C | 15.3°C | 9.4°C | 28.2°C | 4.5°C | 76 mm | 73% | 3.4 m/s | 3.9 |
| 2022 | 22.4°C | 16.5°C | 10.5°C | 30.9°C | 7.1°C | 45 mm | 72% | 3.1 m/s | 4.1 |
| 2021 | 24.6°C | 18.2°C | 11.9°C | 33.2°C | 7.7°C | 61 mm | 68% | 2.9 m/s | 4 |
| 2020 | 24.4°C | 17.9°C | 11.3°C | 35.1°C | 5.4°C | 27 mm | 67% | 3.4 m/s | 4.2 |
| 2019 | 24.2°C | 17.2°C | 10.1°C | 35.2°C | 4.4°C | 20 mm | 64% | 3.6 m/s | 4.4 |
| 2018 | 24.6°C | 18.0°C | 11.3°C | 33.1°C | 8.3°C | 14 mm | 64% | 3.2 m/s | 4.2 |
| 2017 | 24.7°C | 17.5°C | 10.3°C | 29.4°C | 5.4°C | 7 mm | 66% | 2.6 m/s | 4.5 |
| 2016 | 21.9°C | 16.6°C | 11.2°C | 29.3°C | 6.1°C | 49 mm | 77% | 3.4 m/s | 3.4 |
| 2015 | 22.4°C | 16.3°C | 10.2°C | 28.8°C | 5.7°C | 54 mm | 70% | 3.5 m/s | 4 |
| 2014 | 25.0°C | 18.3°C | 11.6°C | 33.5°C | 6.8°C | 23 mm | 63% | 2.9 m/s | 4.4 |
| 2013 | 25.4°C | 19.3°C | 13.1°C | 35.1°C | 8.1°C | 14 mm | 69% | 2.7 m/s | 3.7 |
| 2012 | 24.9°C | 18.4°C | 11.9°C | 32.4°C | 6.2°C | 12 mm | 58% | 3.4 m/s | 4.1 |
| 2011 | 24.9°C | 18.1°C | 11.3°C | 32.6°C | 6.9°C | 26 mm | 61% | 3.5 m/s | 4.5 |
| 2010 | 24.1°C | 17.3°C | 10.6°C | 30.6°C | 5.0°C | 14 mm | 70% | 3 m/s | 4.2 |
| 2009 | 25.2°C | 18.0°C | 10.9°C | 30.1°C | 7.2°C | 8 mm | 61% | 3.2 m/s | 4.6 |
| 2008 | 21.5°C | 15.6°C | 9.6°C | 28.6°C | 6.1°C | 60 mm | 73% | 3.2 m/s | 4.1 |
| 2007 | 23.4°C | 17.0°C | 10.7°C | 33.0°C | 5.5°C | 46 mm | 68% | 3.4 m/s | 4.2 |
| 2006 ❄️ | 20.9°C | 14.7°C | 8.6°C | 27.4°C | 4.0°C | 33 mm | 73% | 3.2 m/s | 3.9 |
| 2005 | 21.8°C | 15.6°C | 9.5°C | 28.5°C | 5.8°C | 55 mm | 76% | 2.9 m/s | 4.3 |
| 2004 | 25.2°C | 18.4°C | 11.5°C | 30.5°C | 5.6°C | 9 mm | 61% | 3.2 m/s | 4.3 |
| 2003 | 23.5°C | 17.5°C | 11.4°C | 30.9°C | 5.5°C | 31 mm | 72% | 3.2 m/s | 3.8 |
| 2002 | 23.5°C | 17.2°C | 11.0°C | 33.9°C | 6.7°C | 49 mm | 69% | 3.2 m/s | 4 |
| 2001 | 26.1°C | 18.8°C | 11.6°C | 34.2°C | 5.5°C | 4 mm | 56% | 3.3 m/s | 4.3 |
| 2000 | 23.7°C | 17.3°C | 11.0°C | 27.6°C | 5.5°C | 14 mm | 62% | 3.6 m/s | 4.5 |
| 1999 🔥 | 26.3°C | 19.4°C | 12.6°C | 31.6°C | 7.6°C | 11 mm | 61% | 3.3 m/s | 4.4 |
| 1998 | 22.4°C | 16.5°C | 10.7°C | 32.6°C | 6.9°C | 47 mm | 71% | 3.3 m/s | 3.6 |
| 1997 | 24.0°C | 18.0°C | 12.0°C | 31.2°C | 6.7°C | 22 mm | 72% | 3.2 m/s | 4.2 |
| 1996 | 24.4°C | 17.6°C | 10.8°C | 34.6°C | 6.3°C | 13 mm | 60% | 3.4 m/s | 4.2 |
| 1995 | 23.6°C | 16.8°C | 10.0°C | 32.0°C | 5.4°C | 8 mm | 63% | 3.1 m/s | 4.5 |
| 1994 | 26.7°C | 19.2°C | 11.6°C | 33.6°C | 6.9°C | 2 mm | 55% | 3 m/s | 4.7 |
| 1993 | 23.0°C | 16.5°C | 9.9°C | 32.3°C | 5.3°C | 11 mm | 69% | 3.2 m/s | 4.3 |
| 1992 | 22.8°C | 17.0°C | 11.2°C | 27.9°C | 6.7°C | 33 mm | 71% | 3.4 m/s | 4.1 |
| 1991 | 25.2°C | 18.4°C | 11.6°C | 34.6°C | 6.6°C | 30 mm | 62% | 3.2 m/s | 4.2 |
| 1990 | 22.3°C | 16.2°C | 10.2°C | 32.3°C | 5.3°C | 34 mm | 68% | 3.6 m/s | 4 |
| 1989 | 23.3°C | 17.1°C | 10.9°C | 31.7°C | 5.0°C | 38 mm | 67% | 3.9 m/s | 3.9 |
| 1988 | 25.3°C | 18.5°C | 11.7°C | 31.7°C | 7.4°C | 27 mm | 62% | 3.3 m/s | 4.2 |
| 1987 | 24.1°C | 17.7°C | 11.3°C | 31.5°C | 6.7°C | 46 mm | 65% | 3.3 m/s | 4.1 |
| 1986 | 23.8°C | 16.4°C | 8.9°C | 32.7°C | 5.5°C | 2 mm | 57% | 3.4 m/s | 4.6 |
| 1985 | 22.9°C | 16.3°C | 9.7°C | 28.8°C | 4.4°C | 39 mm | 67% | 3.8 m/s | 4.4 |
| 1984 | 24.3°C | 17.4°C | 10.6°C | 34.0°C | 4.0°C | 28 mm | 60% | 3.5 m/s | 4.3 |
| 1983 | 24.1°C | 17.3°C | 10.4°C | 31.4°C | 6.1°C | 5 mm | 61% | 3.2 m/s | — |
| 1982 | 24.2°C | 16.7°C | 9.1°C | 32.6°C | 4.7°C | 1 mm | 60% | 3.2 m/s | — |
| 1981 | 25.6°C | 18.8°C | 12.0°C | 32.6°C | 7.9°C | 19 mm | 66% | 3 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 23.9°C with lows near 10.9°C (mean 17.4°C), based on 45 years of NASA POWER data.
April averages 27 mm of rainfall in Katanning, one of the drier months. The wettest on record was 76 mm in 2023.
The hottest April reached 35.2°C in 2019. The coldest dipped to 4°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have fallen by about 0.1°C — but days and nights have moved in opposite directions. Overnight lows rose from 10.4°C to 10.9°C while daytime highs eased from 24.2°C to 23.5°C, narrowing the gap between day and night.
April is one of the warmer months of the year in Katanning and one of the drier months, so plan for around 23.9°C daytime highs and 10.9°C at night.
Not quite — April is the 7th coolest month in Katanning, averaging 17.4°C.
For April in Katanning, pack light layers you can adjust through the day, with typical highs of 23.9°C and lows of 10.9°C.
Relative humidity in April averages 66% — moderately humid.
Average wind speed in April is 3.3 m/s. The windiest April on record averaged 3.9 m/s (1989).
The wettest April on record was 2023 with 76 mm. On average, April sees 27 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 Katanning 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.
