May is one of the cooler months of the year in Port Macquarie, with average highs near 20.4°C and lows around 17.6°C (mean 19°C). It is about average for rainfall, averaging 103 mm of rainfall and 74% relative humidity across the period.
May is one of the cooler months of the year in Port Macquarie. Across 45 years of records, the warmest May in Port Macquarie was 2016 — when the month averaged 20.8°C — while the coldest was 1984 at 17.8°C. Typical May days reach 20.4°C with nights near 17.6°C. The long-term May temperature trend is broadly flat.
May is about average for rainfall in Port Macquarie, averaging 103 mm of rainfall. The wettest May on record was 1996 with 434 mm, while the driest was 2004 at 11 mm.
Relative humidity in Port Macquarie during May averages 74%. The most humid May was 1990 at 79%, and the least humid was 2016 at 65%.
May receives about 3.1 kWh/m²/day of solar energy in Port Macquarie. The sunniest May was 2004 at 3.7 kWh/m²/day, and the cloudiest was 1997 at 2.5.
Average wind speed in Port Macquarie during May is 3.8 m/s. The windiest May was 1996 at 4.5 m/s, while the calmest was 2007 at 3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.8°C | 19.0°C | 18.9°C | 19.3°C | 19.0°C | +0.2°C |
| Avg High | 20.1°C | 20.3°C | 20.3°C | 21.0°C | 20.3°C | +0.2°C |
| Avg Low | 17.4°C | 17.8°C | 17.5°C | 17.7°C | 17.8°C | +0.4°C |
| Avg Rain | 119 mm | 169 mm | 91 mm | 54 mm | 68 mm | -52 mm |
May temperatures in Port Macquarie have risen by about 0.6°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 11.3°C (2000) to a record high of 26.4°C (2007).
Rainfall in May is about average for rainfall, averaging 103 mm, with a wettest year of 434 mm.
A good time to visit Port Macquarie
May is a good time to visit Port Macquarie, with days averaging 20.4°C and nights around 17.6°C (mean 19°C, cooler than Port Macquarie's yearly average) and higher rainfall. December and April are marginally more temperate, but May still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 21.3°C | 20.2°C | 19.2°C | 23.3°C | 15.2°C | 141 mm | 76% | 4.2 m/s | 2.6 |
| 2024 | 20.6°C | 19.5°C | 18.4°C | 21.9°C | 15.5°C | 84 mm | 77% | 3.6 m/s | 2.9 |
| 2023 | 20.1°C | 18.1°C | 16.1°C | 24.0°C | 12.5°C | 30 mm | 67% | 3.8 m/s | 3.6 |
| 2022 | 20.4°C | 19.5°C | 18.6°C | 23.6°C | 13.9°C | 67 mm | 76% | 3.7 m/s | 2.8 |
| 2021 | 19.8°C | 18.6°C | 17.4°C | 22.6°C | 12.6°C | 51 mm | 76% | 3.6 m/s | 3.2 |
| 2020 | 19.7°C | 18.3°C | 17.0°C | 22.5°C | 12.3°C | 33 mm | 75% | 4.3 m/s | 3.2 |
| 2019 | 22.1°C | 20.0°C | 17.9°C | 24.5°C | 12.3°C | 12 mm | 68% | 3.7 m/s | 3.5 |
| 2018 | 21.0°C | 19.4°C | 17.8°C | 24.3°C | 14.6°C | 17 mm | 69% | 3.7 m/s | 3.4 |
| 2017 | 20.3°C | 19.1°C | 17.8°C | 22.8°C | 14.2°C | 40 mm | 76% | 3.3 m/s | 3.3 |
| 2016 🔥 | 22.9°C | 20.8°C | 18.7°C | 26.0°C | 13.9°C | 12 mm | 65% | 3.4 m/s | 3.5 |
| 2015 | 20.3°C | 18.9°C | 17.5°C | 24.0°C | 14.2°C | 138 mm | 75% | 3.7 m/s | 3 |
| 2014 | 21.7°C | 20.0°C | 18.3°C | 24.9°C | 13.3°C | 16 mm | 69% | 3.2 m/s | 3.4 |
| 2013 | 20.2°C | 18.7°C | 17.3°C | 23.8°C | 13.8°C | 173 mm | 73% | 4 m/s | 3.2 |
| 2012 | 20.1°C | 18.5°C | 16.9°C | 23.1°C | 13.7°C | 33 mm | 71% | 3.6 m/s | 3.5 |
| 2011 | 19.6°C | 18.1°C | 16.7°C | 21.8°C | 13.3°C | 56 mm | 75% | 4.2 m/s | 3.3 |
| 2010 | 21.4°C | 19.7°C | 18.1°C | 25.5°C | 15.0°C | 39 mm | 72% | 3.9 m/s | 3.2 |
| 2009 | 19.8°C | 18.9°C | 17.9°C | 21.4°C | 15.3°C | 127 mm | 73% | 4.1 m/s | 2.9 |
| 2008 | 19.5°C | 18.2°C | 16.8°C | 22.0°C | 13.3°C | 33 mm | 75% | 3.6 m/s | 3.6 |
| 2007 | 22.1°C | 20.3°C | 18.6°C | 26.4°C | 15.2°C | 27 mm | 71% | 3 m/s | 3.5 |
| 2006 | 20.2°C | 18.4°C | 16.6°C | 23.8°C | 13.5°C | 52 mm | 68% | 3.5 m/s | 3.6 |
| 2005 | 20.1°C | 18.8°C | 17.5°C | 22.8°C | 14.1°C | 159 mm | 74% | 4.3 m/s | 3.1 |
| 2004 | 20.4°C | 18.7°C | 17.0°C | 23.1°C | 13.5°C | 11 mm | 68% | 3.9 m/s | 3.7 |
| 2003 | 20.2°C | 18.9°C | 17.6°C | 23.0°C | 14.6°C | 171 mm | 76% | 4.1 m/s | 3.1 |
| 2002 | 20.6°C | 19.2°C | 17.7°C | 23.5°C | 14.7°C | 72 mm | 72% | 3.8 m/s | 3.1 |
| 2001 | 19.6°C | 18.6°C | 17.5°C | 22.6°C | 14.5°C | 202 mm | 77% | 4.4 m/s | 2.8 |
| 2000 | 20.4°C | 19.0°C | 17.6°C | 23.5°C | 11.3°C | 55 mm | 73% | 4 m/s | 3.3 |
| 1999 | 20.6°C | 19.5°C | 18.5°C | 21.9°C | 15.3°C | 124 mm | 77% | 3.5 m/s | 2.9 |
| 1998 | 20.7°C | 19.3°C | 17.8°C | 23.4°C | 14.3°C | 97 mm | 74% | 4 m/s | 2.9 |
| 1997 | 20.5°C | 19.3°C | 18.0°C | 23.0°C | 14.8°C | 117 mm | 78% | 4.4 m/s | 2.5 |
| 1996 🌧️ | 20.1°C | 19.1°C | 18.0°C | 22.4°C | 14.8°C | 434 mm | 77% | 4.5 m/s | 2.8 |
| 1995 | 20.0°C | 18.9°C | 17.7°C | 22.8°C | 13.0°C | 297 mm | 78% | 4.3 m/s | 2.9 |
| 1994 | 20.3°C | 18.6°C | 16.9°C | 23.6°C | 13.7°C | 104 mm | 69% | 3.4 m/s | 3.4 |
| 1993 | 20.7°C | 19.3°C | 17.9°C | 23.4°C | 15.9°C | 34 mm | 73% | 3.7 m/s | 3.1 |
| 1992 | 19.4°C | 18.3°C | 17.3°C | 21.2°C | 15.0°C | 74 mm | 78% | 3.4 m/s | 3 |
| 1991 | 20.3°C | 19.0°C | 17.8°C | 24.7°C | 16.2°C | 175 mm | 79% | 3.4 m/s | 2.8 |
| 1990 | 20.4°C | 19.1°C | 17.8°C | 22.3°C | 14.4°C | 233 mm | 79% | 3.8 m/s | 3.1 |
| 1989 | 20.8°C | 19.8°C | 18.7°C | 22.6°C | 14.8°C | 117 mm | 78% | 3.6 m/s | 2.8 |
| 1988 | 20.3°C | 19.1°C | 17.8°C | 22.3°C | 14.6°C | 47 mm | 76% | 3.5 m/s | 3 |
| 1987 | 19.9°C | 18.5°C | 17.1°C | 23.2°C | 11.8°C | 253 mm | 77% | 3.9 m/s | 3 |
| 1986 | 20.3°C | 19.0°C | 17.7°C | 22.5°C | 15.4°C | 105 mm | 76% | 3.9 m/s | 3 |
| 1985 | 19.6°C | 18.5°C | 17.4°C | 22.6°C | 13.3°C | 236 mm | 77% | 4.1 m/s | 2.9 |
| 1984 ❄️ | 19.2°C | 17.8°C | 16.4°C | 21.4°C | 13.7°C | 66 mm | 74% | 3.1 m/s | 3.4 |
| 1983 | 20.1°C | 18.8°C | 17.4°C | 21.4°C | 13.8°C | 105 mm | 75% | 3.3 m/s | — |
| 1982 | 21.2°C | 19.3°C | 17.4°C | 24.2°C | 12.9°C | 42 mm | 67% | 3.2 m/s | — |
| 1981 | 19.7°C | 18.4°C | 17.0°C | 21.3°C | 14.4°C | 104 mm | 73% | 3.6 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 20.4°C with lows near 17.6°C (mean 19°C), based on 45 years of NASA POWER data.
May averages 103 mm of rainfall in Port Macquarie, about average for rainfall. The wettest on record was 434 mm in 1996.
The hottest May reached 26.4°C in 2007. The coldest dipped to 11.3°C in 2000.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.6°C. Daytime highs moved from 20°C to 20.4°C and overnight lows from 17.1°C to 17.9°C over the same span.
May is one of the cooler months of the year in Port Macquarie and about average for rainfall, so plan for around 20.4°C daytime highs and 17.6°C at night.
Not quite — May is the 5th coolest month in Port Macquarie, averaging 19°C.
For May in Port Macquarie, pack light layers you can adjust through the day, with typical highs of 20.4°C and lows of 17.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 74% — moderately humid.
Average wind speed in May is 3.8 m/s. The windiest May on record averaged 4.5 m/s (1996).
The wettest May on record was 1996 with 434 mm. On average, May sees 103 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 Macquarie behaves each May, 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 May specifically, along with year-by-year records and how the month has changed over the decades.
