March is one of the warmer months of the year in Geelong, with average highs near 24°C and lows around 13.5°C (mean 18.8°C). It is one of the drier months, averaging 38 mm of rainfall and 66% relative humidity across the period.
March is one of the warmer months of the year in Geelong. Across 45 years of records, the warmest March in Geelong was 2017 — when the month averaged 20.9°C — while the coldest was 1987 at 16.1°C. Typical March days reach 24°C with nights near 13.5°C. The long-term trend is warming, about 0.2°C per decade.
March is one of the drier months in Geelong, averaging 38 mm of rainfall. The wettest March on record was 2020 with 81 mm, while the driest was 2024 at 5 mm.
Relative humidity in Geelong during March averages 66%. The most humid Marchs were 2021 and 2022 at 73%, and the least humid was 2008 at 58%.
March receives about 4.7 kWh/m²/day of solar energy in Geelong. The sunniest Marchs were 2006 and 2024 at 5.2 kWh/m²/day, and the cloudiest was 1989 at 4.2.
Average wind speed in Geelong during March is 3.6 m/s. The windiest March was 1984 at 4.1 m/s, while the calmest was 1994 at 2.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.8°C | 18.1°C | 18.8°C | 19.2°C | 18.9°C | +0.1°C |
| Avg High | 24.2°C | 23.3°C | 24.2°C | 24.4°C | 23.9°C | -0.3°C |
| Avg Low | 13.4°C | 13.0°C | 13.4°C | 14.0°C | 13.9°C | +0.5°C |
| Avg Rain | 50 mm | 31 mm | 29 mm | 37 mm | 48 mm | -2 mm |
March temperatures in Geelong have risen by about 0.3°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 7.1°C (1984) to a record high of 38.4°C (1989).
Rainfall in March is one of the drier months, averaging 38 mm, with a wettest year of 81 mm.
One of the best times to visit Geelong
March is one of the best times to visit Geelong. Expect days averaging 24°C and nights around 13.5°C (mean 18.8°C) — warmer than Geelong's yearly average — with moderate rainfall (38 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 | 26.3°C | 20.7°C | 15.1°C | 34.4°C | 11.5°C | 41 mm | 65% | 3.3 m/s | 4.9 |
| 2024 | 26.1°C | 20.2°C | 14.3°C | 38.0°C | 9.9°C | 5 mm | 61% | 3.3 m/s | 5.2 |
| 2023 | 23.3°C | 18.4°C | 13.6°C | 34.7°C | 9.9°C | 47 mm | 70% | 3.7 m/s | 4.5 |
| 2022 | 23.8°C | 19.3°C | 14.9°C | 31.6°C | 11.1°C | 59 mm | 73% | 3.4 m/s | 4.5 |
| 2021 | 22.2°C | 17.5°C | 12.8°C | 29.4°C | 9.9°C | 54 mm | 73% | 3.3 m/s | 4.5 |
| 2020 🌧️ | 21.7°C | 17.3°C | 12.8°C | 30.2°C | 10.3°C | 81 mm | 73% | 3.7 m/s | 4.3 |
| 2019 | 25.4°C | 19.9°C | 14.4°C | 37.7°C | 8.8°C | 24 mm | 61% | 3.6 m/s | 4.7 |
| 2018 | 24.8°C | 19.4°C | 14.1°C | 35.7°C | 9.6°C | 29 mm | 62% | 3.9 m/s | 5.1 |
| 2017 🔥 | 26.7°C | 20.9°C | 15.2°C | 33.4°C | 9.2°C | 46 mm | 67% | 3.3 m/s | 5 |
| 2016 | 24.7°C | 19.7°C | 14.8°C | 38.0°C | 11.2°C | 37 mm | 68% | 3.3 m/s | 4.4 |
| 2015 | 22.7°C | 17.4°C | 12.1°C | 30.6°C | 8.8°C | 21 mm | 66% | 3.8 m/s | 4.8 |
| 2014 | 24.5°C | 19.1°C | 13.7°C | 34.4°C | 10.9°C | 35 mm | 67% | 3.3 m/s | 4.5 |
| 2013 | 26.4°C | 20.8°C | 15.3°C | 35.4°C | 10.2°C | 26 mm | 60% | 3.8 m/s | 5 |
| 2012 | 22.2°C | 17.7°C | 13.2°C | 29.7°C | 10.2°C | 50 mm | 71% | 4 m/s | 4.6 |
| 2011 | 22.1°C | 17.5°C | 12.9°C | 29.2°C | 9.8°C | 34 mm | 73% | 3.5 m/s | 4.3 |
| 2010 | 24.5°C | 19.5°C | 14.5°C | 31.4°C | 11.2°C | 73 mm | 69% | 3.2 m/s | 4.7 |
| 2009 | 23.5°C | 18.3°C | 13.0°C | 32.5°C | 10.2°C | 36 mm | 68% | 3.6 m/s | 4.4 |
| 2008 | 26.4°C | 19.9°C | 13.5°C | 38.1°C | 8.9°C | 27 mm | 58% | 3.5 m/s | 5 |
| 2007 | 24.5°C | 19.2°C | 13.8°C | 35.2°C | 10.1°C | 26 mm | 64% | 3.9 m/s | 5 |
| 2006 | 25.8°C | 20.0°C | 14.2°C | 35.8°C | 11.2°C | 15 mm | 65% | 3.2 m/s | 5.2 |
| 2005 | 22.7°C | 17.6°C | 12.5°C | 33.0°C | 8.4°C | 12 mm | 68% | 3.4 m/s | 4.7 |
| 2004 | 23.1°C | 18.0°C | 12.9°C | 33.1°C | 10.3°C | 31 mm | 64% | 3.5 m/s | 4.7 |
| 2003 | 22.6°C | 17.9°C | 13.3°C | 32.1°C | 10.2°C | 32 mm | 71% | 4 m/s | 4.6 |
| 2002 | 23.7°C | 18.5°C | 13.3°C | 34.4°C | 10.7°C | 17 mm | 65% | 3.9 m/s | 4.9 |
| 2001 | 23.9°C | 18.6°C | 13.3°C | 33.5°C | 10.4°C | 78 mm | 65% | 3.8 m/s | 4.6 |
| 2000 | 25.4°C | 19.9°C | 14.4°C | 36.5°C | 11.4°C | 15 mm | 63% | 3.7 m/s | 4.9 |
| 1999 | 23.1°C | 18.2°C | 13.4°C | 30.5°C | 9.4°C | 50 mm | 69% | 3.6 m/s | 4.5 |
| 1998 | 24.5°C | 18.8°C | 13.2°C | 37.7°C | 9.8°C | 12 mm | 64% | 3.6 m/s | 4.6 |
| 1997 | 22.6°C | 17.7°C | 12.7°C | 31.6°C | 9.8°C | 20 mm | 67% | 3.8 m/s | 4.5 |
| 1996 | 23.6°C | 18.1°C | 12.6°C | 30.7°C | 8.0°C | 43 mm | 67% | 3.7 m/s | 4.7 |
| 1995 | 21.9°C | 17.0°C | 12.2°C | 32.0°C | 7.2°C | 58 mm | 69% | 3.8 m/s | 5 |
| 1994 | 22.3°C | 17.5°C | 12.7°C | 28.8°C | 9.7°C | 15 mm | 69% | 2.9 m/s | 4.7 |
| 1993 | 22.5°C | 17.9°C | 13.4°C | 29.1°C | 10.4°C | 26 mm | 73% | 3.3 m/s | 4.4 |
| 1992 | 24.2°C | 19.1°C | 14.0°C | 34.3°C | 9.6°C | 37 mm | 69% | 3.3 m/s | 4.3 |
| 1991 | 23.7°C | 17.9°C | 12.1°C | 38.1°C | 8.5°C | 30 mm | 63% | 3.6 m/s | 4.9 |
| 1990 | 24.2°C | 19.0°C | 13.7°C | 31.2°C | 10.0°C | 24 mm | 66% | 3.3 m/s | 5.1 |
| 1989 | 24.5°C | 19.7°C | 14.8°C | 38.4°C | 10.9°C | 80 mm | 69% | 3.2 m/s | 4.2 |
| 1988 | 25.3°C | 19.6°C | 13.8°C | 34.2°C | 9.8°C | 30 mm | 64% | 3.3 m/s | 4.9 |
| 1987 ❄️ | 21.2°C | 16.1°C | 11.0°C | 32.1°C | 7.3°C | 35 mm | 66% | 4 m/s | 4.6 |
| 1986 | 25.8°C | 19.6°C | 13.3°C | 37.2°C | 9.2°C | 9 mm | 60% | 3.6 m/s | 4.9 |
| 1985 | 25.9°C | 20.2°C | 14.5°C | 34.4°C | 10.8°C | 52 mm | 66% | 3.4 m/s | 4.5 |
| 1984 | 22.4°C | 17.1°C | 11.9°C | 33.2°C | 7.1°C | 76 mm | 65% | 4.1 m/s | 4.5 |
| 1983 | 24.5°C | 19.5°C | 14.5°C | 35.5°C | 8.4°C | 74 mm | 68% | 3.5 m/s | — |
| 1982 | 25.0°C | 19.4°C | 13.8°C | 33.7°C | 10.0°C | 49 mm | 64% | 3.4 m/s | — |
| 1981 | 23.4°C | 18.1°C | 12.7°C | 32.3°C | 9.3°C | 45 mm | 63% | 3.6 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 24°C with lows near 13.5°C (mean 18.8°C), based on 45 years of NASA POWER data.
March averages 38 mm of rainfall in Geelong, one of the drier months. The wettest on record was 81 mm in 2020.
The hottest March reached 38.4°C in 1989. The coldest dipped to 7.1°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 0.3°C. Daytime highs moved from 24.2°C to 24.3°C and overnight lows from 13.5°C to 14.1°C over the same span.
March is one of the warmer months of the year in Geelong and one of the drier months, so plan for around 24°C daytime highs and 13.5°C at night.
Not quite — March is the 10th coolest month in Geelong, averaging 18.8°C.
For March in Geelong, pack light layers you can adjust through the day, with typical highs of 24°C and lows of 13.5°C.
Relative humidity in March averages 66% — moderately humid.
Average wind speed in March is 3.6 m/s. The windiest March on record averaged 4.1 m/s (1984).
The wettest March on record was 2020 with 81 mm. On average, March sees 38 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 Geelong 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.
