March is one of the warmer months of the year in Wollongong, with average highs near 23.8°C and lows around 14.7°C (mean 19.3°C). It is a relatively wet time of year, averaging 109 mm of rainfall and 76% relative humidity across the period.
March is one of the warmer months of the year in Wollongong. Across 45 years of records, the warmest March in Wollongong was 1998 — when the month averaged 21.7°C — while the coldest were 1984 and 1994 at 16.5°C. Typical March days reach 23.8°C with nights near 14.7°C. The long-term trend is warming, about 0.3°C per decade.
March is a relatively wet time of year in Wollongong, averaging 109 mm of rainfall. The wettest March on record was 2022 with 400 mm, while the driest was 1991 at 14 mm.
Relative humidity in Wollongong during March averages 76%. The most humid March was 2022 at 90%, and the least humid was 1998 at 63%.
March receives about 4.6 kWh/m²/day of solar energy in Wollongong. The sunniest Marchs were 1991 and 2008 at 5.3 kWh/m²/day, and the cloudiest was 2022 at 3.7.
Average wind speed in Wollongong during March is 0.5 m/s. The windiest Marchs were 2005, 2017 and 2022, among others at 0.6 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 19.0°C | 18.9°C | 19.2°C | 19.7°C | 19.5°C | +0.5°C |
| Avg High | 23.8°C | 23.5°C | 23.8°C | 24.0°C | 23.7°C | -0.1°C |
| Avg Low | 14.3°C | 14.2°C | 14.6°C | 15.3°C | 15.4°C | +1.1°C |
| Avg Rain | 109 mm | 76 mm | 83 mm | 129 mm | 178 mm | +70 mm |
March temperatures in Wollongong have risen by about 0.8°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 6.6°C (1984) to a record high of 37.9°C (1998).
Rainfall in March is a relatively wet time of year, averaging 109 mm, with a wettest year of 400 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.1°C per decade while lows rose 0.4°C per decade, narrowing the gap between day and night.
One of the best times to visit Wollongong
March is one of the best times to visit Wollongong. Expect days averaging 23.8°C and nights around 14.7°C (mean 19.3°C) — warmer than Wollongong's yearly average — with higher rainfall (109 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 | 26.0°C | 21.5°C | 17.0°C | 34.5°C | 11.2°C | 136 mm | 77% | 0.5 m/s | 4.3 |
| 2024 | 26.2°C | 20.9°C | 15.6°C | 33.3°C | 11.6°C | 61 mm | 72% | 0.5 m/s | 5 |
| 2023 | 25.7°C | 20.8°C | 15.9°C | 35.4°C | 10.7°C | 74 mm | 71% | 0.5 m/s | 4.6 |
| 2022 🌧️ | 21.0°C | 18.3°C | 15.5°C | 25.2°C | 11.6°C | 400 mm | 90% | 0.6 m/s | 3.7 |
| 2021 | 22.2°C | 18.3°C | 14.4°C | 31.4°C | 9.8°C | 228 mm | 77% | 0.5 m/s | 4.4 |
| 2020 | 20.9°C | 17.5°C | 14.0°C | 27.8°C | 10.7°C | 171 mm | 85% | 0.5 m/s | 4.3 |
| 2019 | 25.1°C | 20.4°C | 15.7°C | 33.2°C | 8.2°C | 136 mm | 75% | 0.5 m/s | 4.5 |
| 2018 | 25.4°C | 20.2°C | 15.1°C | 34.5°C | 9.4°C | 52 mm | 71% | 0.5 m/s | 4.9 |
| 2017 | 22.2°C | 19.2°C | 16.2°C | 26.8°C | 11.2°C | 288 mm | 88% | 0.6 m/s | 3.9 |
| 2016 | 26.1°C | 21.2°C | 16.3°C | 33.8°C | 11.5°C | 78 mm | 74% | 0.5 m/s | 4.9 |
| 2015 | 25.6°C | 19.8°C | 14.1°C | 33.2°C | 10.1°C | 51 mm | 67% | 0.5 m/s | 4.8 |
| 2014 | 24.2°C | 20.1°C | 16.0°C | 28.7°C | 11.7°C | 211 mm | 79% | 0.5 m/s | 4.3 |
| 2013 | 23.2°C | 19.2°C | 15.1°C | 29.7°C | 9.8°C | 34 mm | 78% | 0.5 m/s | 5 |
| 2012 | 20.6°C | 17.3°C | 14.0°C | 25.1°C | 9.5°C | 189 mm | 86% | 0.5 m/s | 4.3 |
| 2011 | 23.3°C | 19.3°C | 15.3°C | 30.2°C | 12.1°C | 178 mm | 77% | 0.5 m/s | 4 |
| 2010 | 24.6°C | 20.0°C | 15.5°C | 31.3°C | 12.4°C | 72 mm | 73% | 0.5 m/s | 4.6 |
| 2009 | 25.3°C | 20.2°C | 15.1°C | 32.6°C | 10.1°C | 64 mm | 70% | 0.5 m/s | 5 |
| 2008 | 23.5°C | 18.7°C | 13.9°C | 29.9°C | 8.0°C | 40 mm | 76% | 0.5 m/s | 5.3 |
| 2007 | 24.1°C | 19.3°C | 14.5°C | 31.0°C | 10.0°C | 85 mm | 78% | 0.5 m/s | 4.6 |
| 2006 | 25.9°C | 20.7°C | 15.6°C | 32.7°C | 11.8°C | 35 mm | 71% | 0.5 m/s | 4.7 |
| 2005 | 22.3°C | 17.9°C | 13.5°C | 30.3°C | 9.3°C | 81 mm | 76% | 0.6 m/s | 4.7 |
| 2004 | 24.7°C | 19.7°C | 14.7°C | 33.6°C | 11.8°C | 61 mm | 71% | 0.5 m/s | 5 |
| 2003 | 22.2°C | 18.0°C | 13.7°C | 25.9°C | 9.3°C | 91 mm | 77% | 0.5 m/s | 4.8 |
| 2002 | 23.3°C | 18.9°C | 14.4°C | 33.0°C | 11.9°C | 103 mm | 77% | 0.5 m/s | 4.5 |
| 2001 | 22.9°C | 18.8°C | 14.7°C | 27.0°C | 9.9°C | 82 mm | 74% | 0.6 m/s | 4.5 |
| 2000 | 23.8°C | 19.7°C | 15.7°C | 33.4°C | 10.6°C | 187 mm | 83% | 0.5 m/s | 3.9 |
| 1999 | 25.3°C | 20.3°C | 15.3°C | 32.8°C | 9.0°C | 72 mm | 73% | 0.5 m/s | 4.5 |
| 1998 🔥 | 27.8°C | 21.7°C | 15.6°C | 37.9°C | 10.9°C | 19 mm | 63% | 0.5 m/s | 5.1 |
| 1997 | 23.8°C | 19.0°C | 14.3°C | 30.1°C | 11.0°C | 79 mm | 75% | 0.5 m/s | 4.8 |
| 1996 | 23.9°C | 19.0°C | 14.1°C | 29.3°C | 10.2°C | 32 mm | 70% | 0.5 m/s | 4.8 |
| 1995 | 22.1°C | 17.6°C | 13.0°C | 27.8°C | 9.2°C | 127 mm | 75% | 0.6 m/s | 4.7 |
| 1994 | 20.1°C | 16.5°C | 12.8°C | 26.1°C | 7.8°C | 132 mm | 81% | 0.5 m/s | 4.5 |
| 1993 | 22.1°C | 17.8°C | 13.5°C | 26.7°C | 9.2°C | 123 mm | 78% | 0.5 m/s | 4.5 |
| 1992 | 22.3°C | 18.6°C | 14.8°C | 26.6°C | 11.1°C | 69 mm | 85% | 0.5 m/s | 4.7 |
| 1991 | 25.7°C | 20.0°C | 14.4°C | 33.0°C | 10.1°C | 14 mm | 64% | 0.5 m/s | 5.3 |
| 1990 | 21.7°C | 18.1°C | 14.5°C | 27.4°C | 10.2°C | 90 mm | 84% | 0.5 m/s | 4.6 |
| 1989 | 22.8°C | 19.0°C | 15.2°C | 32.7°C | 11.3°C | 198 mm | 83% | 0.5 m/s | 3.8 |
| 1988 | 23.6°C | 18.7°C | 13.9°C | 32.6°C | 9.7°C | 60 mm | 73% | 0.5 m/s | 4.6 |
| 1987 | 22.0°C | 17.5°C | 13.0°C | 28.0°C | 8.2°C | 104 mm | 71% | 0.5 m/s | 4.9 |
| 1986 | 25.9°C | 20.2°C | 14.5°C | 33.8°C | 9.4°C | 23 mm | 69% | 0.5 m/s | 5 |
| 1985 | 24.6°C | 19.8°C | 15.0°C | 32.4°C | 10.6°C | 131 mm | 74% | 0.5 m/s | 4.6 |
| 1984 ❄️ | 21.1°C | 16.5°C | 11.9°C | 28.3°C | 6.6°C | 122 mm | 76% | 0.6 m/s | 4.9 |
| 1983 | 25.9°C | 20.9°C | 16.0°C | 36.1°C | 9.1°C | 201 mm | 70% | 0.5 m/s | — |
| 1982 | 23.9°C | 19.5°C | 15.0°C | 34.7°C | 11.5°C | 123 mm | 77% | 0.5 m/s | — |
| 1981 | 24.5°C | 19.3°C | 14.0°C | 32.7°C | 9.7°C | 17 mm | 66% | 0.5 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 23.8°C with lows near 14.7°C (mean 19.3°C), based on 45 years of NASA POWER data.
March averages 109 mm of rainfall in Wollongong, a relatively wet time of year. The wettest on record was 400 mm in 2022.
The hottest March reached 37.9°C in 1998. The coldest dipped to 6.6°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 0.8°C. Daytime highs moved from 24°C to 24.2°C and overnight lows from 14.4°C to 15.7°C over the same span.
March is one of the warmer months of the year in Wollongong and a relatively wet time of year, so plan for around 23.8°C daytime highs and 14.7°C at night.
Not quite — March is the 9th coolest month in Wollongong, averaging 19.3°C.
For March in Wollongong, pack light layers you can adjust through the day, with typical highs of 23.8°C and lows of 14.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 76% — quite humid.
Average wind speed in March is 0.5 m/s. The windiest March on record averaged 0.6 m/s (1984).
The wettest March on record was 2022 with 400 mm. On average, March sees 109 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 Wollongong 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.