March is one of the warmer months of the year in Victor Harbor, with average highs near 22.9°C and lows around 15.6°C (mean 19.3°C). It is one of the drier months, averaging 23 mm of rainfall and 66% relative humidity across the period.
March is one of the warmer months of the year in Victor Harbor. Across 45 years of records, the warmest March in Victor Harbor was 2017 — when the month averaged 21.6°C — while the coldest was 2003 at 17.1°C. Typical March days reach 22.9°C with nights near 15.6°C. The long-term trend is warming, about 0.3°C per decade.
March is one of the drier months in Victor Harbor, averaging 23 mm of rainfall. The wettest March on record was 2020 with 165 mm, while the driest were 2017 and 2018 at 0 mm.
Relative humidity in Victor Harbor during March averages 66%. The most humid March was 1992 at 75%, and the least humid was 2008 at 55%.
March receives about 5.2 kWh/m²/day of solar energy in Victor Harbor. The sunniest Marchs were 1994 and 2025 at 5.8 kWh/m²/day, and the cloudiest was 1989 at 4.5.
Average wind speed in Victor Harbor during March is 4.9 m/s. The windiest March was 1984 at 5.6 m/s, while the calmest were 1994, 2010 and 2016 at 4.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 19.1°C | 18.8°C | 19.0°C | 19.7°C | 19.8°C | +0.7°C |
| Avg High | 22.9°C | 22.4°C | 22.8°C | 23.3°C | 23.3°C | +0.4°C |
| Avg Low | 15.4°C | 15.2°C | 15.3°C | 16.1°C | 16.2°C | +0.8°C |
| Avg Rain | 29 mm | 19 mm | 21 mm | 18 mm | 37 mm | +8 mm |
March temperatures in Victor Harbor have risen by about 1.2°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 10.1°C (1984) to a record high of 36.2°C (1986).
Rainfall in March is one of the drier months, averaging 23 mm, with a wettest year of 165 mm.
One of the best times to visit Victor Harbor
March is one of the best times to visit Victor Harbor. Expect days averaging 22.9°C and nights around 15.6°C (mean 19.3°C) — warmer than Victor Harbor's yearly average — with low rainfall (23 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 | 25.5°C | 21.5°C | 17.5°C | 34.5°C | 14.3°C | 15 mm | 63% | 5.1 m/s | 5.8 |
| 2024 | 25.0°C | 21.0°C | 17.0°C | 35.7°C | 12.6°C | 13 mm | 63% | 4.6 m/s | 5.7 |
| 2023 | 22.2°C | 19.1°C | 15.9°C | 29.8°C | 14.0°C | 3 mm | 70% | 4.9 m/s | 4.9 |
| 2022 | 23.0°C | 19.6°C | 16.3°C | 29.6°C | 13.8°C | 3 mm | 69% | 4.9 m/s | 5.4 |
| 2021 | 22.4°C | 18.9°C | 15.4°C | 28.0°C | 12.3°C | 21 mm | 69% | 4.5 m/s | 5.6 |
| 2020 🌧️ | 21.7°C | 18.4°C | 15.1°C | 28.2°C | 12.1°C | 165 mm | 69% | 5 m/s | 5.1 |
| 2019 | 23.5°C | 20.0°C | 16.5°C | 36.2°C | 13.0°C | 0 mm | 64% | 4.8 m/s | 5.3 |
| 2018 | 23.5°C | 20.0°C | 16.4°C | 31.7°C | 12.7°C | 0 mm | 63% | 5.3 m/s | 5.4 |
| 2017 🔥 | 25.6°C | 21.6°C | 17.5°C | 34.3°C | 13.5°C | 0 mm | 65% | 5 m/s | 5.1 |
| 2016 | 23.6°C | 20.1°C | 16.7°C | 34.2°C | 13.3°C | 17 mm | 68% | 4.3 m/s | 4.9 |
| 2015 | 21.6°C | 18.3°C | 15.0°C | 28.7°C | 13.0°C | 10 mm | 65% | 4.8 m/s | 5.1 |
| 2014 | 22.9°C | 19.1°C | 15.3°C | 31.6°C | 12.3°C | 14 mm | 68% | 4.5 m/s | 5.1 |
| 2013 | 25.1°C | 21.5°C | 17.9°C | 34.5°C | 13.2°C | 12 mm | 60% | 4.9 m/s | 5.1 |
| 2012 | 22.4°C | 18.9°C | 15.4°C | 29.1°C | 13.4°C | 41 mm | 67% | 4.9 m/s | 5.2 |
| 2011 | 20.8°C | 17.8°C | 14.7°C | 30.1°C | 11.9°C | 65 mm | 74% | 5.4 m/s | 4.7 |
| 2010 | 23.6°C | 19.8°C | 15.9°C | 30.4°C | 12.8°C | 22 mm | 64% | 4.3 m/s | 5.1 |
| 2009 | 22.6°C | 19.0°C | 15.3°C | 30.5°C | 12.5°C | 18 mm | 67% | 4.7 m/s | 5 |
| 2008 | 25.7°C | 21.2°C | 16.8°C | 34.4°C | 12.1°C | 12 mm | 55% | 4.5 m/s | 5.5 |
| 2007 | 23.5°C | 19.5°C | 15.6°C | 33.7°C | 11.6°C | 20 mm | 64% | 5.4 m/s | 5.2 |
| 2006 | 23.9°C | 20.1°C | 16.2°C | 33.4°C | 13.2°C | 30 mm | 65% | 4.8 m/s | 5.3 |
| 2005 | 21.7°C | 18.2°C | 14.8°C | 31.2°C | 10.6°C | 7 mm | 68% | 4.8 m/s | 5.3 |
| 2004 | 22.6°C | 18.5°C | 14.3°C | 33.2°C | 12.0°C | 26 mm | 65% | 4.9 m/s | 5.5 |
| 2003 ❄️ | 20.4°C | 17.1°C | 13.8°C | 30.7°C | 12.1°C | 12 mm | 72% | 4.8 m/s | 5.4 |
| 2002 | 22.1°C | 18.5°C | 14.8°C | 32.2°C | 12.6°C | 14 mm | 67% | 4.9 m/s | 5.5 |
| 2001 | 22.7°C | 18.9°C | 15.1°C | 33.5°C | 11.7°C | 43 mm | 64% | 5.2 m/s | 5.1 |
| 2000 | 22.8°C | 19.3°C | 15.8°C | 33.6°C | 11.6°C | 23 mm | 68% | 4.6 m/s | 5 |
| 1999 | 21.8°C | 18.5°C | 15.2°C | 32.4°C | 10.5°C | 65 mm | 69% | 5 m/s | 4.7 |
| 1998 | 23.4°C | 19.6°C | 15.8°C | 34.9°C | 13.7°C | 9 mm | 65% | 4.6 m/s | 5.1 |
| 1997 | 20.1°C | 17.3°C | 14.4°C | 25.4°C | 12.2°C | 7 mm | 69% | 5.3 m/s | 5 |
| 1996 | 23.3°C | 19.3°C | 15.4°C | 31.9°C | 12.6°C | 18 mm | 62% | 4.9 m/s | 5.3 |
| 1995 | 21.3°C | 18.2°C | 15.1°C | 31.5°C | 11.6°C | 12 mm | 67% | 4.9 m/s | 5.1 |
| 1994 | 23.3°C | 19.1°C | 15.0°C | 29.8°C | 10.7°C | 1 mm | 61% | 4.3 m/s | 5.8 |
| 1993 | 22.3°C | 18.9°C | 15.4°C | 31.5°C | 11.3°C | 13 mm | 69% | 4.7 m/s | 5 |
| 1992 | 22.4°C | 18.9°C | 15.5°C | 32.7°C | 12.7°C | 43 mm | 75% | 4.5 m/s | 4.6 |
| 1991 | 21.7°C | 18.1°C | 14.5°C | 30.9°C | 11.5°C | 15 mm | 64% | 5.1 m/s | 5.3 |
| 1990 | 24.1°C | 20.1°C | 16.1°C | 31.4°C | 12.1°C | 3 mm | 62% | 4.9 m/s | 5.3 |
| 1989 | 23.5°C | 20.1°C | 16.8°C | 34.5°C | 12.4°C | 11 mm | 67% | 4.9 m/s | 4.5 |
| 1988 | 24.3°C | 20.2°C | 16.2°C | 31.8°C | 12.5°C | 26 mm | 62% | 4.7 m/s | 5.3 |
| 1987 | 21.1°C | 17.5°C | 13.8°C | 32.8°C | 11.0°C | 15 mm | 63% | 5.2 m/s | 5 |
| 1986 | 24.8°C | 20.3°C | 15.7°C | 36.2°C | 13.2°C | 1 mm | 61% | 5 m/s | 5.3 |
| 1985 | 23.7°C | 19.8°C | 15.9°C | 32.1°C | 12.8°C | 37 mm | 67% | 4.9 m/s | 4.9 |
| 1984 | 22.0°C | 18.3°C | 14.5°C | 31.5°C | 10.1°C | 32 mm | 63% | 5.6 m/s | 5.1 |
| 1983 | 22.2°C | 18.8°C | 15.5°C | 32.6°C | 11.5°C | 75 mm | 73% | 5.1 m/s | — |
| 1982 | 23.9°C | 19.8°C | 15.7°C | 32.8°C | 11.7°C | 34 mm | 64% | 5 m/s | — |
| 1981 | 20.4°C | 17.5°C | 14.5°C | 27.0°C | 11.5°C | 29 mm | 67% | 4.8 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 22.9°C with lows near 15.6°C (mean 19.3°C), based on 45 years of NASA POWER data.
March averages 23 mm of rainfall in Victor Harbor, one of the drier months. The wettest on record was 165 mm in 2020.
The hottest March reached 36.2°C in 1986. The coldest dipped to 10.1°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 1.2°C. Daytime highs moved from 22.4°C to 23.6°C and overnight lows from 15.2°C to 16.4°C over the same span.
March is one of the warmer months of the year in Victor Harbor and one of the drier months, so plan for around 22.9°C daytime highs and 15.6°C at night.
Not quite — March is the 10th coolest month in Victor Harbor, averaging 19.3°C.
For March in Victor Harbor, pack light layers you can adjust through the day, with typical highs of 22.9°C and lows of 15.6°C.
Relative humidity in March averages 66% — moderately humid.
Average wind speed in March is 4.9 m/s. The windiest March on record averaged 5.6 m/s (1984).
The wettest March on record was 2020 with 165 mm. On average, March sees 23 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 March, 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 March specifically, along with year-by-year records and how the month has changed over the decades.
