March is one of the warmer months of the year in Atherton, with average highs near 26°C and lows around 20.1°C (mean 23.1°C). It is a relatively wet time of year, averaging 353 mm of rainfall and 89% relative humidity across the period.
March is one of the warmer months of the year in Atherton. Across 45 years of records, the warmest March in Atherton was 2017 — when the month averaged 25.3°C — while the coldest were 1986 and 1991 at 22.1°C. Typical March days reach 26°C with nights near 20.1°C. The long-term trend is warming, about 0.3°C per decade.
March is a relatively wet time of year in Atherton, averaging 353 mm of rainfall. The wettest March on record was 1999 with 778 mm, while the driest was 1993 at 55 mm.
Relative humidity in Atherton during March averages 89%. The most humid March was 1999 at 93%, and the least humid was 2022 at 83%.
March receives about 5.2 kWh/m²/day of solar energy in Atherton. The sunniest March was 1993 at 6.3 kWh/m²/day, and the cloudiest were 2006 and 2011 at 4.3.
Average wind speed in Atherton during March is 1.1 m/s. The windiest Marchs were 1988, 2008 and 2010, among others at 1.4 m/s, while the calmest were 2011 and 2017 at 0.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.6°C | 22.7°C | 22.8°C | 23.5°C | 24.0°C | +1.4°C |
| Avg High | 25.6°C | 25.7°C | 25.7°C | 26.3°C | 27.1°C | +1.5°C |
| Avg Low | 19.6°C | 19.7°C | 19.9°C | 20.6°C | 20.9°C | +1.3°C |
| Avg Rain | 377 mm | 346 mm | 395 mm | 362 mm | 241 mm | -136 mm |
March temperatures in Atherton have risen by about 1.3°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 15.2°C (1983) to a record high of 34.9°C (2022).
Rainfall in March is a relatively wet time of year, averaging 353 mm, with a wettest year of 778 mm.
A quieter season to visit Atherton
If your dates are flexible, the more temperate months of October and September tend to be the most comfortable for visiting Atherton. That said, March — with days averaging 26°C and nights around 20.1°C (mean 23.1°C) and higher rainfall (353 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 27.1°C | 24.2°C | 21.2°C | 29.4°C | 18.8°C | 353 mm | 90% | 0.9 m/s | 5.3 |
| 2024 | 26.8°C | 24.3°C | 21.9°C | 28.7°C | 19.2°C | 372 mm | 91% | 1.2 m/s | 4.5 |
| 2023 | 26.7°C | 23.5°C | 20.4°C | 29.0°C | 17.9°C | 225 mm | 88% | 1 m/s | 5.9 |
| 2022 | 28.3°C | 24.8°C | 21.3°C | 34.9°C | 17.5°C | 222 mm | 83% | 0.9 m/s | 5.8 |
| 2021 | 26.5°C | 23.4°C | 20.3°C | 29.2°C | 18.7°C | 173 mm | 88% | 1.1 m/s | 5.7 |
| 2020 | 27.0°C | 23.8°C | 20.5°C | 29.3°C | 17.8°C | 100 mm | 86% | 1.2 m/s | 5.3 |
| 2019 | 26.4°C | 23.6°C | 20.9°C | 28.2°C | 19.3°C | 207 mm | 91% | 1 m/s | 4.9 |
| 2018 | 25.5°C | 23.0°C | 20.5°C | 27.5°C | 17.9°C | 450 mm | 91% | 1.2 m/s | 4.7 |
| 2017 🔥 | 29.0°C | 25.3°C | 21.6°C | 31.8°C | 18.9°C | 108 mm | 83% | 0.8 m/s | 5.7 |
| 2016 | 26.7°C | 23.9°C | 21.1°C | 31.9°C | 18.6°C | 302 mm | 90% | 0.9 m/s | 5.3 |
| 2015 | 26.8°C | 23.5°C | 20.2°C | 29.8°C | 18.5°C | 183 mm | 86% | 1.2 m/s | 5.9 |
| 2014 | 25.5°C | 22.5°C | 19.5°C | 27.6°C | 16.1°C | 337 mm | 90% | 1.2 m/s | 4.9 |
| 2013 | 26.2°C | 23.1°C | 20.0°C | 28.6°C | 17.8°C | 274 mm | 89% | 1.1 m/s | 5.2 |
| 2012 | 25.6°C | 23.2°C | 20.7°C | 27.8°C | 17.7°C | 755 mm | 92% | 1.1 m/s | 4.6 |
| 2011 | 25.8°C | 23.4°C | 21.0°C | 28.1°C | 19.3°C | 642 mm | 93% | 0.8 m/s | 4.3 |
| 2010 | 25.7°C | 23.0°C | 20.2°C | 28.2°C | 18.2°C | 366 mm | 89% | 1.4 m/s | 4.9 |
| 2009 | 25.6°C | 22.6°C | 19.7°C | 28.4°C | 16.9°C | 203 mm | 89% | 1.1 m/s | 5.9 |
| 2008 | 24.9°C | 22.2°C | 19.6°C | 26.7°C | 17.9°C | 645 mm | 92% | 1.4 m/s | 4.6 |
| 2007 | 25.8°C | 22.9°C | 19.9°C | 28.5°C | 17.4°C | 242 mm | 90% | 1.1 m/s | 5.5 |
| 2006 | 25.5°C | 23.1°C | 20.6°C | 27.4°C | 18.2°C | 745 mm | 92% | 1.2 m/s | 4.3 |
| 2005 | 25.8°C | 23.0°C | 20.2°C | 29.7°C | 18.1°C | 355 mm | 89% | 1.2 m/s | 5.3 |
| 2004 | 25.8°C | 22.9°C | 20.1°C | 29.1°C | 17.8°C | 756 mm | 90% | 1.3 m/s | 5 |
| 2003 | 25.7°C | 22.8°C | 19.8°C | 28.4°C | 17.6°C | 209 mm | 89% | 1.1 m/s | 5.2 |
| 2002 | 25.8°C | 22.4°C | 19.0°C | 28.0°C | 15.8°C | 153 mm | 86% | 1.2 m/s | 5.8 |
| 2001 | 26.9°C | 23.7°C | 20.4°C | 28.7°C | 17.8°C | 258 mm | 89% | 1 m/s | 5.7 |
| 2000 | 25.3°C | 22.4°C | 19.4°C | 27.1°C | 17.7°C | 382 mm | 90% | 1.3 m/s | 5.3 |
| 1999 🌧️ | 25.5°C | 23.2°C | 20.8°C | 28.2°C | 19.0°C | 778 mm | 93% | 1.2 m/s | 4.7 |
| 1998 | 25.6°C | 22.5°C | 19.4°C | 27.0°C | 16.6°C | 173 mm | 89% | 1.2 m/s | 5.4 |
| 1997 | 24.9°C | 22.2°C | 19.6°C | 27.8°C | 16.2°C | 492 mm | 91% | 1.1 m/s | 4.8 |
| 1996 | 25.4°C | 22.7°C | 19.9°C | 27.6°C | 18.3°C | 519 mm | 90% | 1.3 m/s | 4.8 |
| 1995 | 25.6°C | 23.1°C | 20.6°C | 28.5°C | 18.9°C | 389 mm | 92% | 1.2 m/s | 4.9 |
| 1994 | 24.9°C | 22.2°C | 19.5°C | 28.0°C | 16.8°C | 208 mm | 90% | 1.3 m/s | 5.1 |
| 1993 | 26.0°C | 22.4°C | 18.8°C | 31.0°C | 15.7°C | 55 mm | 85% | 1 m/s | 6.3 |
| 1992 | 27.0°C | 23.1°C | 19.2°C | 31.1°C | 16.6°C | 111 mm | 84% | 1 m/s | 6.1 |
| 1991 | 25.4°C | 22.1°C | 18.8°C | 27.1°C | 17.4°C | 69 mm | 88% | 1.1 m/s | 6.2 |
| 1990 | 26.2°C | 23.3°C | 20.4°C | 28.2°C | 16.2°C | 661 mm | 90% | 1.1 m/s | 4.7 |
| 1989 | 25.2°C | 22.6°C | 20.0°C | 26.9°C | 18.6°C | 564 mm | 92% | 1.1 m/s | 4.8 |
| 1988 | 25.6°C | 23.0°C | 20.3°C | 29.4°C | 19.0°C | 400 mm | 90% | 1.4 m/s | 4.6 |
| 1987 | 25.5°C | 22.5°C | 19.5°C | 28.2°C | 17.5°C | 201 mm | 89% | 1 m/s | 5.7 |
| 1986 ❄️ | 25.1°C | 22.1°C | 19.0°C | 28.4°C | 17.7°C | 317 mm | 89% | 1.4 m/s | 5.7 |
| 1985 | 25.3°C | 22.5°C | 19.8°C | 28.8°C | 17.5°C | 578 mm | 90% | 1.1 m/s | 4.8 |
| 1984 | 25.3°C | 22.2°C | 19.2°C | 27.4°C | 17.7°C | 167 mm | 89% | 1.1 m/s | 5.5 |
| 1983 | 26.2°C | 23.0°C | 19.9°C | 32.0°C | 15.2°C | 602 mm | 88% | 1.1 m/s | — |
| 1982 | 26.1°C | 23.2°C | 20.2°C | 29.5°C | 17.9°C | 348 mm | 89% | 1.1 m/s | — |
| 1981 | 26.1°C | 22.5°C | 18.9°C | 28.5°C | 15.7°C | 216 mm | 86% | 1 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 26°C with lows near 20.1°C (mean 23.1°C), based on 45 years of NASA POWER data.
March averages 353 mm of rainfall in Atherton, a relatively wet time of year. The wettest on record was 778 mm in 1999.
The hottest March reached 34.9°C in 2022. The coldest dipped to 15.2°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 1.3°C. Daytime highs moved from 25.8°C to 27.1°C and overnight lows from 19.6°C to 21°C over the same span.
March is one of the warmer months of the year in Atherton and a relatively wet time of year, so plan for around 26°C daytime highs and 20.1°C at night.
Not quite — March is the 8th coolest month in Atherton, averaging 23.1°C.
For March in Atherton, pack light layers you can adjust through the day, with typical highs of 26°C and lows of 20.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 89% — quite humid.
Average wind speed in March is 1.1 m/s. The windiest March on record averaged 1.4 m/s (1986).
The wettest March on record was 1999 with 778 mm. On average, March sees 353 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 Atherton 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.
