April is one of the warmer months of the year in Victor Harbor, with average highs near 20.1°C and lows around 13.7°C (mean 16.9°C). It is about average for rainfall, averaging 33 mm of rainfall and 68% relative humidity across the period.
April is one of the warmer months of the year in Victor Harbor. Across 45 years of records, the warmest April in Victor Harbor was 2018 — when the month averaged 19.4°C — while the coldest was 1983 at 14.8°C. Typical April days reach 20.1°C with nights near 13.7°C. The long-term trend is warming, about 0.2°C per decade.
April is about average for rainfall in Victor Harbor, averaging 33 mm of rainfall. The wettest April on record was 1983 with 99 mm, while the driest was 1993 at 1 mm.
Relative humidity in Victor Harbor during April averages 68%. The most humid April was 2024 at 73%, and the least humid was 2019 at 59%.
April receives about 3.7 kWh/m²/day of solar energy in Victor Harbor. The sunniest April was 2018 at 4.2 kWh/m²/day, and the cloudiest was 2006 at 3.2.
Average wind speed in Victor Harbor during April is 4.5 m/s. The windiest April was 1986 at 5.6 m/s, while the calmest were 1992 and 2002 at 3.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.6°C | 16.4°C | 17.0°C | 17.5°C | 17.1°C | +0.5°C |
| Avg High | 19.9°C | 19.5°C | 20.5°C | 20.7°C | 20.1°C | +0.2°C |
| Avg Low | 13.3°C | 13.3°C | 13.5°C | 14.3°C | 14.2°C | +0.9°C |
| Avg Rain | 40 mm | 31 mm | 39 mm | 27 mm | 30 mm | -10 mm |
April temperatures in Victor Harbor have risen by about 0.8°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 7.2°C (1983) to a record high of 32.4°C (2005).
Rainfall in April is about average for rainfall, averaging 33 mm, with a wettest year of 99 mm.
A good time to visit Victor Harbor
April is a good time to visit Victor Harbor, with days averaging 20.1°C and nights around 13.7°C (mean 16.9°C, close to Victor Harbor'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 | 22.0°C | 18.9°C | 15.9°C | 30.1°C | 12.9°C | 9 mm | 66% | 4.1 m/s | 3.7 |
| 2024 | 18.0°C | 15.4°C | 12.8°C | 22.2°C | 9.4°C | 22 mm | 73% | 4.2 m/s | 3.6 |
| 2023 | 20.3°C | 17.1°C | 13.9°C | 26.6°C | 11.9°C | 47 mm | 69% | 4.7 m/s | 3.8 |
| 2022 | 20.7°C | 17.5°C | 14.4°C | 26.1°C | 11.0°C | 17 mm | 69% | 4.5 m/s | 3.6 |
| 2021 | 20.7°C | 17.6°C | 14.6°C | 30.7°C | 11.2°C | 10 mm | 64% | 4.1 m/s | 3.9 |
| 2020 | 18.8°C | 16.1°C | 13.4°C | 24.1°C | 9.9°C | 74 mm | 73% | 4.8 m/s | 3.5 |
| 2019 | 21.8°C | 18.3°C | 14.7°C | 29.5°C | 11.3°C | 5 mm | 59% | 4.5 m/s | 3.7 |
| 2018 🔥 | 23.0°C | 19.4°C | 15.7°C | 31.2°C | 12.0°C | 9 mm | 64% | 4.4 m/s | 4.2 |
| 2017 | 21.0°C | 17.8°C | 14.6°C | 28.1°C | 11.8°C | 19 mm | 68% | 4.2 m/s | 3.7 |
| 2016 | 21.2°C | 17.9°C | 14.6°C | 26.6°C | 11.4°C | 8 mm | 67% | 4.2 m/s | 3.7 |
| 2015 | 17.9°C | 15.2°C | 12.5°C | 25.6°C | 9.2°C | 67 mm | 73% | 4.7 m/s | 3.3 |
| 2014 | 19.7°C | 16.9°C | 14.2°C | 30.4°C | 9.8°C | 33 mm | 71% | 4.4 m/s | 3.5 |
| 2013 | 20.6°C | 17.5°C | 14.3°C | 27.1°C | 9.5°C | 38 mm | 68% | 4.4 m/s | 3.8 |
| 2012 | 21.2°C | 17.9°C | 14.7°C | 30.0°C | 10.8°C | 30 mm | 65% | 4.2 m/s | 3.8 |
| 2011 | 19.8°C | 16.5°C | 13.2°C | 26.4°C | 10.8°C | 23 mm | 72% | 4.1 m/s | 3.9 |
| 2010 | 20.9°C | 17.7°C | 14.6°C | 28.3°C | 11.4°C | 33 mm | 70% | 4.2 m/s | 3.6 |
| 2009 | 20.2°C | 17.1°C | 14.0°C | 30.0°C | 10.6°C | 65 mm | 67% | 5 m/s | 3.6 |
| 2008 | 20.1°C | 16.5°C | 12.9°C | 26.1°C | 9.4°C | 33 mm | 66% | 4.5 m/s | 3.7 |
| 2007 | 21.4°C | 18.0°C | 14.6°C | 28.7°C | 10.9°C | 75 mm | 68% | 4.3 m/s | 4 |
| 2006 | 18.2°C | 15.5°C | 12.7°C | 22.8°C | 8.9°C | 50 mm | 70% | 5.4 m/s | 3.2 |
| 2005 | 22.4°C | 18.5°C | 14.6°C | 32.4°C | 10.0°C | 10 mm | 62% | 4.6 m/s | 3.9 |
| 2004 | 19.9°C | 16.7°C | 13.6°C | 26.9°C | 10.1°C | 23 mm | 70% | 4.3 m/s | 3.5 |
| 2003 | 20.4°C | 16.5°C | 12.6°C | 24.4°C | 9.2°C | 40 mm | 71% | 4.4 m/s | 3.9 |
| 2002 | 21.9°C | 17.8°C | 13.7°C | 28.4°C | 10.3°C | 12 mm | 65% | 3.8 m/s | 3.9 |
| 2001 | 20.0°C | 16.4°C | 12.9°C | 27.8°C | 9.3°C | 18 mm | 67% | 4.5 m/s | 4 |
| 2000 | 20.6°C | 17.1°C | 13.7°C | 25.7°C | 9.4°C | 59 mm | 70% | 4.4 m/s | 3.9 |
| 1999 | 18.7°C | 15.3°C | 11.9°C | 25.7°C | 8.0°C | 8 mm | 71% | 3.9 m/s | 3.8 |
| 1998 | 18.6°C | 15.7°C | 12.7°C | 27.5°C | 10.1°C | 82 mm | 70% | 4.4 m/s | 3.3 |
| 1997 | 20.3°C | 17.0°C | 13.7°C | 26.3°C | 9.6°C | 4 mm | 68% | 4.1 m/s | 3.5 |
| 1996 | 17.7°C | 15.3°C | 12.9°C | 25.6°C | 8.2°C | 30 mm | 72% | 5 m/s | 3.3 |
| 1995 | 17.8°C | 14.9°C | 12.0°C | 23.9°C | 9.5°C | 50 mm | 70% | 5 m/s | 3.7 |
| 1994 | 20.1°C | 17.1°C | 14.1°C | 26.7°C | 11.4°C | 13 mm | 67% | 4.3 m/s | 3.8 |
| 1993 | 21.7°C | 18.0°C | 14.2°C | 28.4°C | 10.3°C | 1 mm | 59% | 4 m/s | 4 |
| 1992 | 19.7°C | 16.5°C | 13.4°C | 30.9°C | 10.0°C | 74 mm | 71% | 3.8 m/s | 3.5 |
| 1991 | 20.0°C | 16.9°C | 13.8°C | 29.3°C | 9.5°C | 30 mm | 68% | 4.2 m/s | 3.7 |
| 1990 | 19.9°C | 16.9°C | 13.9°C | 28.0°C | 11.6°C | 17 mm | 71% | 5.4 m/s | 3.9 |
| 1989 | 20.1°C | 17.0°C | 13.8°C | 28.3°C | 11.3°C | 34 mm | 72% | 4.3 m/s | 3.6 |
| 1988 | 19.9°C | 16.7°C | 13.4°C | 23.8°C | 9.9°C | 11 mm | 73% | 4.7 m/s | 3.6 |
| 1987 | 20.4°C | 16.8°C | 13.1°C | 29.2°C | 9.6°C | 26 mm | 65% | 4.3 m/s | 3.7 |
| 1986 | 19.4°C | 16.5°C | 13.6°C | 30.9°C | 11.3°C | 62 mm | 66% | 5.6 m/s | 3.5 |
| 1985 | 20.0°C | 16.7°C | 13.4°C | 28.3°C | 9.6°C | 49 mm | 68% | 4.7 m/s | 3.6 |
| 1984 | 19.5°C | 16.1°C | 12.8°C | 26.2°C | 9.8°C | 24 mm | 70% | 4.3 m/s | 3.8 |
| 1983 ❄️ 🌧️ | 17.7°C | 14.8°C | 12.0°C | 23.6°C | 7.2°C | 99 mm | 71% | 5.2 m/s | — |
| 1982 | 20.3°C | 17.1°C | 13.8°C | 26.9°C | 11.1°C | 51 mm | 66% | 4.3 m/s | — |
| 1981 | 21.9°C | 18.0°C | 14.1°C | 28.9°C | 10.4°C | 5 mm | 66% | 4.2 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 20.1°C with lows near 13.7°C (mean 16.9°C), based on 45 years of NASA POWER data.
April averages 33 mm of rainfall in Victor Harbor, about average for rainfall. The wettest on record was 99 mm in 1983.
The hottest April reached 32.4°C in 2005. The coldest dipped to 7.2°C in 1983.
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 19.9°C to 20.3°C and overnight lows from 13.2°C to 14.3°C over the same span.
April is one of the warmer months of the year in Victor Harbor and about average for rainfall, so plan for around 20.1°C daytime highs and 13.7°C at night.
Not quite — April is the 7th coolest month in Victor Harbor, averaging 16.9°C.
For April in Victor Harbor, pack light layers you can adjust through the day, with typical highs of 20.1°C and lows of 13.7°C.
Relative humidity in April averages 68% — moderately humid.
Average wind speed in April is 4.5 m/s. The windiest April on record averaged 5.6 m/s (1986).
The wettest April on record was 1983 with 99 mm. On average, April sees 33 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 Victor Harbor 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.
