April is one of the warmer months of the year in Warrnambool, with average highs near 18°C and lows around 13.1°C (mean 15.6°C). It is one of the drier months, averaging 53 mm of rainfall and 75% relative humidity across the period.
April is one of the warmer months of the year in Warrnambool. Across 45 years of records, the warmest April in Warrnambool was 2025 — when the month averaged 17.2°C — while the coldest was 1995 at 13.4°C. Typical April days reach 18°C with nights near 13.1°C. The long-term April temperature trend is broadly flat.
April is one of the drier months in Warrnambool, averaging 53 mm of rainfall. The wettest April on record was 1992 with 121 mm, while the driest was 1993 at 10 mm.
Relative humidity in Warrnambool during April averages 75%. The most humid April was 2011 at 80%, and the least humid was 2019 at 70%.
April receives about 3.2 kWh/m²/day of solar energy in Warrnambool. The sunniest Aprils were 2003, 2005 and 2012, among others at 3.6 kWh/m²/day, and the cloudiest was 2020 at 2.8.
Average wind speed in Warrnambool during April is 4.7 m/s. The windiest April was 1995 at 6 m/s, while the calmest was 2002 at 3.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.6°C | 15.0°C | 15.6°C | 15.8°C | 15.8°C | +0.2°C |
| Avg High | 18.1°C | 17.3°C | 18.2°C | 18.2°C | 18.0°C | -0.1°C |
| Avg Low | 13.0°C | 12.7°C | 13.1°C | 13.5°C | 13.6°C | +0.6°C |
| Avg Rain | 54 mm | 55 mm | 54 mm | 51 mm | 46 mm | -8 mm |
April temperatures in Warrnambool have risen by about 0.6°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 8.1°C (1995) to a record high of 28.8°C (1985).
Rainfall in April is one of the drier months, averaging 53 mm, with a wettest year of 121 mm.
A good time to visit Warrnambool
April is a good time to visit Warrnambool, with days averaging 18°C and nights around 13.1°C (mean 15.6°C, warmer than Warrnambool's yearly average) and moderate rainfall. February and January 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 🔥 | 19.8°C | 17.2°C | 14.6°C | 28.3°C | 12.3°C | 21 mm | 74% | 4.3 m/s | 3.3 |
| 2024 | 16.9°C | 15.2°C | 13.4°C | 23.2°C | 10.9°C | 58 mm | 75% | 4.5 m/s | 3 |
| 2023 | 18.1°C | 15.8°C | 13.6°C | 23.8°C | 11.6°C | 67 mm | 78% | 4.5 m/s | 3.2 |
| 2022 | 18.7°C | 16.4°C | 14.1°C | 23.6°C | 10.9°C | 20 mm | 76% | 4.3 m/s | 3 |
| 2021 | 17.7°C | 15.5°C | 13.4°C | 27.5°C | 10.0°C | 31 mm | 74% | 5.1 m/s | 3.1 |
| 2020 | 17.0°C | 14.8°C | 12.7°C | 22.5°C | 9.5°C | 81 mm | 76% | 5.6 m/s | 2.8 |
| 2019 | 18.7°C | 15.9°C | 13.1°C | 26.9°C | 10.7°C | 14 mm | 70% | 4.8 m/s | 3.2 |
| 2018 | 18.9°C | 16.4°C | 13.9°C | 26.5°C | 11.3°C | 20 mm | 74% | 4.3 m/s | 3.4 |
| 2017 | 18.4°C | 15.9°C | 13.5°C | 24.3°C | 11.4°C | 76 mm | 76% | 4.4 m/s | 3.1 |
| 2016 | 18.7°C | 16.2°C | 13.8°C | 24.2°C | 11.1°C | 35 mm | 73% | 4.5 m/s | 3.3 |
| 2015 | 16.1°C | 14.3°C | 12.5°C | 23.2°C | 10.1°C | 42 mm | 76% | 4.7 m/s | 3 |
| 2014 | 18.4°C | 16.0°C | 13.6°C | 27.9°C | 9.5°C | 91 mm | 76% | 4.6 m/s | 3.2 |
| 2013 | 17.9°C | 15.7°C | 13.6°C | 25.2°C | 10.4°C | 30 mm | 74% | 4.8 m/s | 3.3 |
| 2012 | 19.2°C | 16.3°C | 13.4°C | 26.3°C | 10.9°C | 37 mm | 73% | 4.8 m/s | 3.6 |
| 2011 | 17.6°C | 15.2°C | 12.8°C | 23.2°C | 10.7°C | 91 mm | 80% | 4.4 m/s | 3.3 |
| 2010 | 18.5°C | 16.4°C | 14.4°C | 23.8°C | 10.9°C | 75 mm | 78% | 4.8 m/s | 2.9 |
| 2009 | 17.4°C | 15.1°C | 12.7°C | 26.5°C | 8.4°C | 79 mm | 74% | 4.9 m/s | 3.4 |
| 2008 | 17.9°C | 15.2°C | 12.6°C | 23.3°C | 9.9°C | 50 mm | 75% | 4.6 m/s | 3.3 |
| 2007 | 19.1°C | 16.4°C | 13.7°C | 24.3°C | 10.9°C | 45 mm | 76% | 4.1 m/s | 3.4 |
| 2006 | 16.4°C | 14.3°C | 12.3°C | 21.3°C | 9.6°C | 90 mm | 73% | 5.8 m/s | 2.9 |
| 2005 | 19.8°C | 16.7°C | 13.7°C | 27.5°C | 11.6°C | 36 mm | 73% | 4.7 m/s | 3.6 |
| 2004 | 17.3°C | 15.1°C | 12.8°C | 24.0°C | 11.3°C | 53 mm | 76% | 4.7 m/s | 3.2 |
| 2003 | 18.3°C | 15.7°C | 13.1°C | 22.4°C | 11.3°C | 32 mm | 77% | 4.5 m/s | 3.6 |
| 2002 | 19.1°C | 16.4°C | 13.6°C | 25.6°C | 10.6°C | 38 mm | 76% | 3.7 m/s | 3.4 |
| 2001 | 17.6°C | 15.3°C | 13.1°C | 24.4°C | 11.3°C | 60 mm | 74% | 5.2 m/s | 3 |
| 2000 | 18.7°C | 16.1°C | 13.5°C | 24.2°C | 9.2°C | 58 mm | 74% | 4.7 m/s | 3.5 |
| 1999 | 16.7°C | 14.7°C | 12.6°C | 22.4°C | 9.3°C | 25 mm | 75% | 4 m/s | 3.3 |
| 1998 | 16.5°C | 14.5°C | 12.5°C | 25.7°C | 10.4°C | 77 mm | 75% | 4.6 m/s | 2.9 |
| 1997 | 17.8°C | 15.2°C | 12.6°C | 23.6°C | 9.4°C | 18 mm | 73% | 4.6 m/s | 3.3 |
| 1996 | 16.0°C | 14.2°C | 12.5°C | 19.3°C | 10.8°C | 56 mm | 76% | 5.7 m/s | 3.1 |
| 1995 ❄️ | 16.0°C | 13.4°C | 10.9°C | 21.8°C | 8.1°C | 113 mm | 76% | 6 m/s | 3.1 |
| 1994 | 17.8°C | 15.4°C | 13.0°C | 25.7°C | 9.7°C | 53 mm | 74% | 4.9 m/s | 3.2 |
| 1993 | 19.0°C | 16.1°C | 13.2°C | 25.4°C | 10.6°C | 10 mm | 72% | 4.1 m/s | 3.6 |
| 1992 🌧️ | 17.7°C | 15.3°C | 12.9°C | 27.4°C | 10.8°C | 121 mm | 77% | 4.2 m/s | 3.2 |
| 1991 | 17.4°C | 14.9°C | 12.5°C | 25.8°C | 9.2°C | 27 mm | 75% | 4.8 m/s | 3.1 |
| 1990 | 18.2°C | 16.1°C | 14.1°C | 25.3°C | 12.3°C | 47 mm | 75% | 5.5 m/s | 3.3 |
| 1989 | 18.6°C | 16.1°C | 13.7°C | 25.0°C | 11.4°C | 56 mm | 78% | 4.5 m/s | 3.1 |
| 1988 | 18.6°C | 16.1°C | 13.5°C | 24.4°C | 10.6°C | 20 mm | 76% | 4.7 m/s | 3 |
| 1987 | 18.2°C | 15.4°C | 12.5°C | 25.9°C | 9.9°C | 35 mm | 72% | 4.5 m/s | 3.2 |
| 1986 | 17.8°C | 15.4°C | 13.0°C | 25.1°C | 11.2°C | 97 mm | 71% | 5.9 m/s | 3.3 |
| 1985 | 18.9°C | 16.2°C | 13.4°C | 28.8°C | 10.4°C | 86 mm | 75% | 4.6 m/s | 3.5 |
| 1984 | 17.7°C | 15.2°C | 12.7°C | 23.4°C | 10.2°C | 40 mm | 76% | 4.8 m/s | 3.3 |
| 1983 | 15.7°C | 13.6°C | 11.5°C | 21.0°C | 9.7°C | 78 mm | 76% | 4.7 m/s | — |
| 1982 | 18.1°C | 15.6°C | 13.1°C | 24.7°C | 9.2°C | 52 mm | 73% | 4.8 m/s | — |
| 1981 | 19.3°C | 16.4°C | 13.5°C | 26.1°C | 8.8°C | 23 mm | 70% | 5.3 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 18°C with lows near 13.1°C (mean 15.6°C), based on 45 years of NASA POWER data.
April averages 53 mm of rainfall in Warrnambool, one of the drier months. The wettest on record was 121 mm in 1992.
The hottest April reached 28.8°C in 1985. The coldest dipped to 8.1°C in 1995.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 0.6°C. Daytime highs moved from 17.9°C to 18.2°C and overnight lows from 12.8°C to 13.8°C over the same span.
April is one of the warmer months of the year in Warrnambool and one of the drier months, so plan for around 18°C daytime highs and 13.1°C at night.
Not quite — April is the 8th coolest month in Warrnambool, averaging 15.6°C.
For April in Warrnambool, pack light layers you can adjust through the day, with typical highs of 18°C and lows of 13.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 75% — moderately humid.
Average wind speed in April is 4.7 m/s. The windiest April on record averaged 6 m/s (1995).
The wettest April on record was 1992 with 121 mm. On average, April sees 53 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 Warrnambool 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.
