April is one of the warmer months of the year in Wonthaggi, with average highs near 18.9°C and lows around 12.2°C (mean 15.6°C). It is about average for rainfall, averaging 71 mm of rainfall and 75% relative humidity across the period.
April is one of the warmer months of the year in Wonthaggi. Across 45 years of records, the warmest April in Wonthaggi was 2025 — when the month averaged 17.7°C — while the coldest was 1995 at 12.5°C. Typical April days reach 18.9°C with nights near 12.2°C. The long-term trend is warming, about 0.2°C per decade.
April is about average for rainfall in Wonthaggi, averaging 71 mm of rainfall. The wettest April on record was 2020 with 174 mm, while the driest was 2019 at 17 mm.
Relative humidity in Wonthaggi during April averages 75%. The most humid April was 2020 at 81%, and the least humid was 2019 at 68%.
April receives about 3.3 kWh/m²/day of solar energy in Wonthaggi. The sunniest Aprils were 1993 and 2007 at 3.7 kWh/m²/day, and the cloudiest was 2020 at 2.9.
Average wind speed in Wonthaggi during April is 1.5 m/s. The windiest April was 2006 at 2 m/s, while the calmest were 2007, 2022 and 2025 at 1.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.5°C | 14.7°C | 15.9°C | 16.1°C | 15.7°C | +0.2°C |
| Avg High | 19.0°C | 17.9°C | 19.4°C | 19.4°C | 18.8°C | -0.2°C |
| Avg Low | 12.0°C | 11.5°C | 12.3°C | 12.7°C | 12.7°C | +0.7°C |
| Avg Rain | 74 mm | 71 mm | 75 mm | 58 mm | 85 mm | +10 mm |
April temperatures in Wonthaggi have risen by about 0.8°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 6°C (2009) to a record high of 30.5°C (1985).
Rainfall in April is about average for rainfall, averaging 71 mm, with a wettest year of 174 mm.
A good time to visit Wonthaggi
April is a good time to visit Wonthaggi, with days averaging 18.9°C and nights around 12.2°C (mean 15.6°C, warmer than Wonthaggi'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 🔥 | 21.2°C | 17.7°C | 14.2°C | 27.9°C | 11.1°C | 22 mm | 72% | 1.3 m/s | 3.3 |
| 2024 | 17.8°C | 15.0°C | 12.3°C | 28.0°C | 9.9°C | 125 mm | 77% | 1.6 m/s | 3 |
| 2023 | 18.9°C | 15.7°C | 12.5°C | 24.6°C | 9.1°C | 70 mm | 76% | 1.4 m/s | 3.2 |
| 2022 | 19.5°C | 16.4°C | 13.3°C | 25.4°C | 10.0°C | 63 mm | 76% | 1.3 m/s | 3 |
| 2021 | 18.5°C | 15.3°C | 12.2°C | 27.1°C | 9.0°C | 54 mm | 74% | 1.7 m/s | 3.3 |
| 2020 🌧️ | 16.8°C | 14.1°C | 11.5°C | 21.8°C | 7.5°C | 174 mm | 81% | 1.8 m/s | 2.9 |
| 2019 | 20.5°C | 16.6°C | 12.7°C | 28.5°C | 8.8°C | 17 mm | 68% | 1.5 m/s | 3.4 |
| 2018 | 20.4°C | 16.6°C | 12.8°C | 28.7°C | 9.7°C | 30 mm | 72% | 1.4 m/s | 3.3 |
| 2017 | 19.6°C | 16.2°C | 12.7°C | 25.9°C | 9.7°C | 56 mm | 74% | 1.5 m/s | 3.4 |
| 2016 | 20.3°C | 16.7°C | 13.2°C | 25.5°C | 9.2°C | 35 mm | 71% | 1.4 m/s | 3.3 |
| 2015 | 17.9°C | 14.7°C | 11.6°C | 25.2°C | 9.0°C | 51 mm | 75% | 1.5 m/s | 3.4 |
| 2014 | 19.1°C | 16.1°C | 13.0°C | 29.8°C | 7.6°C | 80 mm | 75% | 1.6 m/s | 3 |
| 2013 | 18.8°C | 15.6°C | 12.4°C | 24.8°C | 8.2°C | 31 mm | 73% | 1.6 m/s | 3.2 |
| 2012 | 19.6°C | 16.2°C | 12.8°C | 26.4°C | 8.1°C | 82 mm | 76% | 1.5 m/s | 3.5 |
| 2011 | 18.1°C | 15.0°C | 11.9°C | 23.5°C | 9.0°C | 104 mm | 81% | 1.5 m/s | 3.6 |
| 2010 | 20.0°C | 17.0°C | 14.0°C | 25.8°C | 10.6°C | 90 mm | 77% | 1.6 m/s | 3.1 |
| 2009 | 18.8°C | 15.3°C | 11.9°C | 28.7°C | 6.0°C | 91 mm | 74% | 1.7 m/s | 3.3 |
| 2008 | 19.0°C | 15.4°C | 11.7°C | 24.9°C | 8.5°C | 50 mm | 73% | 1.5 m/s | 3.5 |
| 2007 | 20.5°C | 16.6°C | 12.7°C | 25.9°C | 9.7°C | 32 mm | 74% | 1.3 m/s | 3.7 |
| 2006 | 17.1°C | 14.3°C | 11.4°C | 23.9°C | 7.5°C | 130 mm | 73% | 2 m/s | 3.1 |
| 2005 | 21.6°C | 17.6°C | 13.5°C | 29.2°C | 10.6°C | 35 mm | 69% | 1.5 m/s | 3.5 |
| 2004 | 19.1°C | 15.7°C | 12.3°C | 28.2°C | 9.5°C | 83 mm | 74% | 1.5 m/s | 3.2 |
| 2003 | 19.0°C | 15.6°C | 12.2°C | 25.0°C | 9.3°C | 69 mm | 77% | 1.5 m/s | 3.4 |
| 2002 | 20.4°C | 16.7°C | 13.0°C | 25.5°C | 9.0°C | 57 mm | 76% | 1.4 m/s | 3.3 |
| 2001 | 18.9°C | 15.5°C | 12.2°C | 24.9°C | 9.5°C | 141 mm | 75% | 1.7 m/s | 3.2 |
| 2000 | 19.8°C | 16.2°C | 12.5°C | 24.7°C | 8.0°C | 62 mm | 73% | 1.4 m/s | 3.5 |
| 1999 | 17.6°C | 14.5°C | 11.3°C | 24.0°C | 7.0°C | 40 mm | 74% | 1.5 m/s | 3.4 |
| 1998 | 17.1°C | 14.2°C | 11.2°C | 26.4°C | 8.3°C | 67 mm | 75% | 1.6 m/s | 3 |
| 1997 | 18.4°C | 14.8°C | 11.2°C | 25.4°C | 7.6°C | 32 mm | 71% | 1.5 m/s | 3.2 |
| 1996 | 15.8°C | 13.3°C | 10.8°C | 21.1°C | 8.0°C | 105 mm | 81% | 1.8 m/s | 3 |
| 1995 ❄️ | 15.5°C | 12.5°C | 9.4°C | 22.5°C | 6.6°C | 161 mm | 80% | 1.7 m/s | 3.1 |
| 1994 | 18.6°C | 15.3°C | 12.1°C | 24.5°C | 8.4°C | 53 mm | 73% | 1.6 m/s | 3.2 |
| 1993 | 20.3°C | 16.2°C | 12.2°C | 25.3°C | 9.8°C | 23 mm | 71% | 1.4 m/s | 3.7 |
| 1992 | 18.9°C | 15.5°C | 12.2°C | 27.5°C | 8.9°C | 74 mm | 75% | 1.4 m/s | 3.1 |
| 1991 | 17.9°C | 14.7°C | 11.5°C | 24.9°C | 8.2°C | 49 mm | 74% | 1.6 m/s | 3.3 |
| 1990 | 19.4°C | 16.4°C | 13.4°C | 25.9°C | 10.6°C | 105 mm | 76% | 1.7 m/s | 3.2 |
| 1989 | 19.8°C | 16.4°C | 13.1°C | 26.8°C | 10.0°C | 67 mm | 79% | 1.4 m/s | 3.3 |
| 1988 | 20.3°C | 16.6°C | 12.8°C | 23.5°C | 9.6°C | 38 mm | 75% | 1.5 m/s | 3.3 |
| 1987 | 19.4°C | 15.5°C | 11.6°C | 26.8°C | 7.4°C | 40 mm | 72% | 1.4 m/s | 3.3 |
| 1986 | 18.3°C | 15.1°C | 11.9°C | 27.2°C | 8.7°C | 108 mm | 71% | 1.8 m/s | 3.2 |
| 1985 | 19.7°C | 16.3°C | 12.8°C | 30.5°C | 8.5°C | 134 mm | 80% | 1.5 m/s | 3.6 |
| 1984 | 18.1°C | 14.7°C | 11.3°C | 22.4°C | 9.5°C | 86 mm | 76% | 1.7 m/s | 3.3 |
| 1983 | 16.5°C | 13.5°C | 10.5°C | 21.9°C | 7.6°C | 83 mm | 78% | 1.5 m/s | — |
| 1982 | 19.3°C | 15.5°C | 11.7°C | 27.1°C | 7.3°C | 74 mm | 73% | 1.5 m/s | — |
| 1981 | 19.6°C | 16.1°C | 12.6°C | 26.8°C | 7.4°C | 38 mm | 73% | 1.7 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 18.9°C with lows near 12.2°C (mean 15.6°C), based on 45 years of NASA POWER data.
April averages 71 mm of rainfall in Wonthaggi, about average for rainfall. The wettest on record was 174 mm in 2020.
The hottest April reached 30.5°C in 1985. The coldest dipped to 6°C in 2009.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 0.8°C. Daytime highs moved from 18.6°C to 19.2°C and overnight lows from 11.8°C to 12.9°C over the same span.
April is one of the warmer months of the year in Wonthaggi and about average for rainfall, so plan for around 18.9°C daytime highs and 12.2°C at night.
Not quite — April is the 8th coolest month in Wonthaggi, averaging 15.6°C.
For April in Wonthaggi, pack light layers you can adjust through the day, with typical highs of 18.9°C and lows of 12.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 75% — moderately humid.
Average wind speed in April is 1.5 m/s. The windiest April on record averaged 2 m/s (2006).
The wettest April on record was 2020 with 174 mm. On average, April sees 71 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 Wonthaggi 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.
