March is one of the warmer months of the year in Port Douglas, with average highs near 27.6°C and lows around 24.5°C (mean 26.1°C). It is a relatively wet time of year, averaging 364 mm of rainfall and 86% relative humidity across the period.
March is one of the warmer months of the year in Port Douglas. Across 45 years of records, the warmest March in Port Douglas was 2017 — when the month averaged 27.4°C — while the coldest was 1991 at 25°C. Typical March days reach 27.6°C with nights near 24.5°C. The long-term trend is warming, about 0.2°C per decade.
March is a relatively wet time of year in Port Douglas, averaging 364 mm of rainfall. The wettest March on record was 2004 with 1003 mm, while the driest was 1993 at 38 mm.
Relative humidity in Port Douglas during March averages 86%. The most humid March was 1999 at 90%, and the least humid was 2002 at 77%.
March receives about 5.3 kWh/m²/day of solar energy in Port Douglas. The sunniest March was 1993 at 6.4 kWh/m²/day, and the cloudiest were 1997 and 2006 at 4.5.
Average wind speed in Port Douglas during March is 2.6 m/s. The windiest Marchs were 1986 and 2008 at 3.2 m/s, while the calmest was 2017 at 1.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.7°C | 25.8°C | 26.0°C | 26.3°C | 26.8°C | +1.1°C |
| Avg High | 27.4°C | 27.4°C | 27.6°C | 27.8°C | 28.3°C | +0.9°C |
| Avg Low | 24.1°C | 24.2°C | 24.5°C | 24.9°C | 25.3°C | +1.2°C |
| Avg Rain | 348 mm | 327 mm | 430 mm | 398 mm | 282 mm | -66 mm |
March temperatures in Port Douglas have risen by about 1°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 21.8°C (1991) to a record high of 32.8°C (1992).
Rainfall in March is a relatively wet time of year, averaging 364 mm, with a wettest year of 1003 mm.
A quieter season to visit Port Douglas
If your dates are flexible, the more temperate months of August and June tend to be the most comfortable for visiting Port Douglas. That said, March — with days averaging 27.6°C and nights around 24.5°C (mean 26.1°C) and higher rainfall (364 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 | 28.2°C | 26.8°C | 25.3°C | 29.5°C | 23.8°C | 439 mm | 87% | 1.9 m/s | 5.2 |
| 2024 | 28.2°C | 27.0°C | 25.8°C | 29.6°C | 24.8°C | 398 mm | 89% | 2.6 m/s | 4.6 |
| 2023 | 28.2°C | 26.6°C | 25.0°C | 29.7°C | 23.5°C | 283 mm | 84% | 2.4 m/s | 5.9 |
| 2022 | 28.8°C | 27.2°C | 25.6°C | 32.1°C | 23.6°C | 261 mm | 85% | 2.2 m/s | 5.6 |
| 2021 | 28.0°C | 26.4°C | 24.8°C | 30.0°C | 23.9°C | 156 mm | 85% | 2.6 m/s | 5.5 |
| 2020 | 28.1°C | 26.5°C | 25.0°C | 30.4°C | 23.2°C | 153 mm | 85% | 2.7 m/s | 5.3 |
| 2019 | 27.5°C | 26.2°C | 24.9°C | 28.8°C | 23.6°C | 351 mm | 89% | 2.4 m/s | 5 |
| 2018 | 27.4°C | 26.1°C | 24.8°C | 29.5°C | 23.3°C | 596 mm | 88% | 2.6 m/s | 4.7 |
| 2017 🔥 | 28.9°C | 27.4°C | 25.9°C | 31.5°C | 24.7°C | 116 mm | 85% | 1.8 m/s | 5.7 |
| 2016 | 28.4°C | 26.8°C | 25.3°C | 31.8°C | 23.6°C | 388 mm | 87% | 2.1 m/s | 5.4 |
| 2015 | 27.8°C | 26.2°C | 24.6°C | 29.6°C | 23.3°C | 280 mm | 85% | 2.9 m/s | 5.7 |
| 2014 | 27.2°C | 25.6°C | 24.0°C | 28.5°C | 22.2°C | 241 mm | 86% | 2.8 m/s | 5 |
| 2013 | 27.9°C | 26.2°C | 24.6°C | 29.9°C | 23.0°C | 323 mm | 85% | 2.5 m/s | 5.1 |
| 2012 | 27.3°C | 26.0°C | 24.7°C | 29.2°C | 22.6°C | 727 mm | 89% | 2.6 m/s | 4.6 |
| 2011 | 27.3°C | 26.1°C | 24.9°C | 28.5°C | 23.5°C | 599 mm | 89% | 2 m/s | 4.8 |
| 2010 | 28.0°C | 26.4°C | 24.9°C | 30.7°C | 23.6°C | 364 mm | 85% | 2.9 m/s | 5.1 |
| 2009 | 27.6°C | 25.9°C | 24.3°C | 29.4°C | 22.6°C | 156 mm | 85% | 2.7 m/s | 5.8 |
| 2008 | 26.6°C | 25.3°C | 23.9°C | 27.5°C | 22.8°C | 839 mm | 89% | 3.2 m/s | 4.8 |
| 2007 | 27.6°C | 25.9°C | 24.2°C | 30.0°C | 22.5°C | 210 mm | 86% | 2.5 m/s | 5.7 |
| 2006 | 27.4°C | 26.1°C | 24.7°C | 28.7°C | 23.0°C | 773 mm | 89% | 2.8 m/s | 4.5 |
| 2005 | 27.8°C | 26.3°C | 24.8°C | 30.7°C | 23.6°C | 481 mm | 85% | 2.8 m/s | 5.3 |
| 2004 🌧️ | 27.8°C | 26.2°C | 24.7°C | 30.0°C | 23.0°C | 1003 mm | 87% | 2.9 m/s | 4.8 |
| 2003 | 27.8°C | 26.1°C | 24.5°C | 30.2°C | 22.8°C | 184 mm | 82% | 2.6 m/s | 5.4 |
| 2002 | 28.4°C | 26.5°C | 24.6°C | 30.8°C | 23.2°C | 103 mm | 77% | 2.9 m/s | 5.8 |
| 2001 | 28.2°C | 26.6°C | 25.1°C | 29.4°C | 24.2°C | 237 mm | 84% | 2.3 m/s | 5.8 |
| 2000 | 27.0°C | 25.4°C | 23.7°C | 28.0°C | 22.8°C | 312 mm | 87% | 2.9 m/s | 5.4 |
| 1999 | 27.1°C | 25.9°C | 24.8°C | 28.6°C | 23.8°C | 612 mm | 90% | 2.6 m/s | 4.6 |
| 1998 | 27.6°C | 26.0°C | 24.5°C | 28.4°C | 23.1°C | 174 mm | 85% | 2.8 m/s | 5.5 |
| 1997 | 26.9°C | 25.4°C | 23.8°C | 29.3°C | 21.8°C | 352 mm | 87% | 2.5 m/s | 4.5 |
| 1996 | 27.0°C | 25.6°C | 24.1°C | 28.1°C | 23.1°C | 645 mm | 87% | 3 m/s | 4.8 |
| 1995 | 27.1°C | 25.8°C | 24.5°C | 28.6°C | 23.7°C | 577 mm | 89% | 2.6 m/s | 4.8 |
| 1994 | 27.1°C | 25.6°C | 24.2°C | 29.0°C | 22.3°C | 114 mm | 86% | 3 m/s | 5.3 |
| 1993 | 27.8°C | 25.9°C | 23.9°C | 31.6°C | 22.8°C | 38 mm | 80% | 2.4 m/s | 6.4 |
| 1992 | 28.6°C | 26.5°C | 24.3°C | 32.8°C | 23.1°C | 116 mm | 80% | 2.3 m/s | 6 |
| 1991 ❄️ | 26.8°C | 25.0°C | 23.2°C | 28.3°C | 21.8°C | 50 mm | 84% | 2.7 m/s | 6 |
| 1990 | 28.0°C | 26.3°C | 24.6°C | 30.3°C | 23.1°C | 589 mm | 86% | 2.4 m/s | 4.8 |
| 1989 | 26.8°C | 25.4°C | 24.1°C | 27.8°C | 23.1°C | 548 mm | 89% | 2.6 m/s | 4.7 |
| 1988 | 27.9°C | 26.2°C | 24.6°C | 32.0°C | 23.5°C | 279 mm | 85% | 3.1 m/s | 5 |
| 1987 | 27.3°C | 25.6°C | 24.0°C | 28.9°C | 22.7°C | 228 mm | 85% | 2.5 m/s | 5.8 |
| 1986 | 27.0°C | 25.3°C | 23.7°C | 28.7°C | 22.5°C | 238 mm | 85% | 3.2 m/s | 5.7 |
| 1985 | 27.1°C | 25.7°C | 24.2°C | 28.9°C | 22.4°C | 572 mm | 86% | 2.6 m/s | 4.9 |
| 1984 | 26.8°C | 25.2°C | 23.6°C | 27.9°C | 22.7°C | 223 mm | 87% | 2.6 m/s | 5.6 |
| 1983 | 27.9°C | 26.1°C | 24.4°C | 32.2°C | 23.1°C | 682 mm | 85% | 2.4 m/s | — |
| 1982 | 28.1°C | 26.4°C | 24.8°C | 30.7°C | 22.6°C | 195 mm | 84% | 2.6 m/s | — |
| 1981 | 27.7°C | 25.7°C | 23.8°C | 30.5°C | 22.8°C | 162 mm | 82% | 2.3 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 27.6°C with lows near 24.5°C (mean 26.1°C), based on 45 years of NASA POWER data.
March averages 364 mm of rainfall in Port Douglas, a relatively wet time of year. The wettest on record was 1003 mm in 2004.
The hottest March reached 32.8°C in 1992. The coldest dipped to 21.8°C in 1991.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 1°C. Daytime highs moved from 27.5°C to 28.3°C and overnight lows from 24.2°C to 25.3°C over the same span.
March is one of the warmer months of the year in Port Douglas and a relatively wet time of year, so plan for around 27.6°C daytime highs and 24.5°C at night.
Not quite — March is the 8th coolest month in Port Douglas, averaging 26.1°C.
For March in Port Douglas, pack light layers you can adjust through the day, with typical highs of 27.6°C and lows of 24.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 86% — quite humid.
Average wind speed in March is 2.6 m/s. The windiest March on record averaged 3.2 m/s (1986).
The wettest March on record was 2004 with 1003 mm. On average, March sees 364 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 Port Douglas 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.
