May is one of the cooler months of the year in Central Coast, with average highs near 19.3°C and lows around 12°C (mean 15.7°C). It is one of the drier months, averaging 69 mm of rainfall and 76% relative humidity across the period.
May is one of the cooler months of the year in Central Coast. Across 45 years of records, the warmest May in Central Coast was 2016 — when the month averaged 17.6°C — while the coldest was 2011 at 14.2°C. Typical May days reach 19.3°C with nights near 12°C. The long-term May temperature trend is broadly flat.
May is one of the drier months in Central Coast, averaging 69 mm of rainfall. The wettest May on record was 1998 with 191 mm, while the driest was 2018 at 8 mm.
Relative humidity in Central Coast during May averages 76%. The most humid May was 1989 at 88%, and the least humid was 2016 at 61%.
May receives about 2.9 kWh/m²/day of solar energy in Central Coast. The sunniest Mays were 2004, 2007 and 2018 at 3.3 kWh/m²/day, and the cloudiest was 2025 at 2.4.
Average wind speed in Central Coast during May is 1.3 m/s. The windiest Mays were 2003, 2011 and 2020, among others at 1.5 m/s, while the calmest was 1999 at 1.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.4°C | 15.7°C | 15.7°C | 15.9°C | 15.5°C | +0.1°C |
| Avg High | 18.9°C | 19.0°C | 19.4°C | 20.0°C | 18.8°C | -0.1°C |
| Avg Low | 11.9°C | 12.3°C | 12.0°C | 11.7°C | 12.1°C | +0.2°C |
| Avg Rain | 82 mm | 90 mm | 68 mm | 39 mm | 63 mm | -19 mm |
May temperatures in Central Coast have risen by about 0.5°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 3.4°C (1987) to a record high of 26.2°C (2018).
Rainfall in May is one of the drier months, averaging 69 mm, with a wettest year of 191 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.2°C per decade while lows rose 0°C per decade, widening the gap between day and night.
A quieter season to visit Central Coast
If your dates are flexible, the more temperate months of December and March tend to be the most comfortable for visiting Central Coast. That said, May — with days averaging 19.3°C and nights around 12°C (mean 15.7°C) and moderate rainfall (69 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 19.7°C | 16.8°C | 13.9°C | 24.6°C | 9.3°C | 155 mm | 80% | 1.4 m/s | 2.4 |
| 2024 | 18.9°C | 15.9°C | 12.8°C | 21.0°C | 8.5°C | 71 mm | 83% | 1.3 m/s | 2.7 |
| 2023 | 19.3°C | 14.7°C | 10.1°C | 22.8°C | 6.7°C | 16 mm | 69% | 1.4 m/s | 3.2 |
| 2022 | 18.6°C | 15.7°C | 12.7°C | 23.7°C | 6.3°C | 58 mm | 84% | 1.2 m/s | 2.8 |
| 2021 | 18.4°C | 15.0°C | 11.5°C | 22.2°C | 5.9°C | 37 mm | 82% | 1.3 m/s | 3 |
| 2020 | 18.1°C | 14.8°C | 11.5°C | 22.8°C | 7.5°C | 42 mm | 76% | 1.5 m/s | 2.9 |
| 2019 | 21.5°C | 16.9°C | 12.2°C | 26.0°C | 6.6°C | 12 mm | 67% | 1.3 m/s | 3.1 |
| 2018 | 20.9°C | 16.2°C | 11.4°C | 26.2°C | 8.4°C | 8 mm | 65% | 1.3 m/s | 3.3 |
| 2017 | 20.0°C | 16.1°C | 12.1°C | 22.8°C | 5.2°C | 13 mm | 73% | 1.2 m/s | 3.1 |
| 2016 🔥 | 22.5°C | 17.6°C | 12.6°C | 26.1°C | 6.4°C | 10 mm | 61% | 1.2 m/s | 3.2 |
| 2015 | 18.1°C | 14.9°C | 11.7°C | 22.2°C | 7.1°C | 48 mm | 81% | 1.4 m/s | 2.8 |
| 2014 | 21.1°C | 16.9°C | 12.6°C | 24.7°C | 8.2°C | 16 mm | 71% | 1.3 m/s | 3.2 |
| 2013 | 19.7°C | 15.6°C | 11.5°C | 25.4°C | 7.5°C | 59 mm | 74% | 1.3 m/s | 3.1 |
| 2012 | 18.8°C | 14.5°C | 10.3°C | 24.6°C | 7.1°C | 25 mm | 75% | 1.3 m/s | 3.2 |
| 2011 ❄️ | 17.8°C | 14.2°C | 10.5°C | 22.6°C | 6.0°C | 97 mm | 77% | 1.5 m/s | 2.8 |
| 2010 | 19.6°C | 15.9°C | 12.3°C | 25.6°C | 7.9°C | 105 mm | 76% | 1.3 m/s | 2.7 |
| 2009 | 19.4°C | 16.3°C | 13.3°C | 22.1°C | 9.2°C | 102 mm | 74% | 1.4 m/s | 2.8 |
| 2008 | 19.5°C | 15.2°C | 11.0°C | 21.8°C | 8.0°C | 9 mm | 74% | 1.2 m/s | 3.1 |
| 2007 | 20.9°C | 16.6°C | 12.4°C | 24.4°C | 7.3°C | 34 mm | 74% | 1.2 m/s | 3.3 |
| 2006 | 19.7°C | 15.4°C | 11.1°C | 24.4°C | 7.4°C | 30 mm | 69% | 1.3 m/s | 3 |
| 2005 | 19.8°C | 16.1°C | 12.4°C | 25.1°C | 7.0°C | 55 mm | 73% | 1.4 m/s | 2.8 |
| 2004 | 20.7°C | 16.0°C | 11.3°C | 24.5°C | 6.8°C | 15 mm | 63% | 1.4 m/s | 3.3 |
| 2003 | 18.7°C | 15.9°C | 13.0°C | 22.7°C | 8.5°C | 188 mm | 81% | 1.5 m/s | 2.6 |
| 2002 | 19.0°C | 15.6°C | 12.1°C | 23.7°C | 7.2°C | 68 mm | 76% | 1.3 m/s | 2.8 |
| 2001 | 17.6°C | 14.8°C | 11.9°C | 21.8°C | 8.0°C | 136 mm | 83% | 1.5 m/s | 2.7 |
| 2000 | 18.9°C | 15.1°C | 11.3°C | 23.6°C | 7.1°C | 44 mm | 76% | 1.3 m/s | 3 |
| 1999 | 20.4°C | 16.4°C | 12.5°C | 22.4°C | 6.8°C | 28 mm | 77% | 1.1 m/s | 2.9 |
| 1998 🌧️ | 18.3°C | 15.2°C | 12.1°C | 21.0°C | 5.7°C | 191 mm | 83% | 1.5 m/s | 2.5 |
| 1997 | 19.4°C | 16.3°C | 13.2°C | 24.5°C | 9.8°C | 101 mm | 81% | 1.5 m/s | 2.6 |
| 1996 | 18.9°C | 16.0°C | 13.0°C | 23.5°C | 8.3°C | 133 mm | 80% | 1.4 m/s | 2.7 |
| 1995 | 18.5°C | 15.6°C | 12.8°C | 23.7°C | 7.6°C | 154 mm | 81% | 1.4 m/s | 2.5 |
| 1994 | 19.6°C | 15.5°C | 11.3°C | 25.9°C | 7.8°C | 30 mm | 67% | 1.3 m/s | 3.1 |
| 1993 | 19.4°C | 15.6°C | 11.8°C | 24.6°C | 7.4°C | 21 mm | 74% | 1.2 m/s | 2.8 |
| 1992 | 18.1°C | 15.0°C | 11.8°C | 23.0°C | 7.9°C | 40 mm | 82% | 1.2 m/s | 2.7 |
| 1991 | 19.1°C | 15.8°C | 12.5°C | 25.4°C | 9.5°C | 83 mm | 79% | 1.2 m/s | 2.6 |
| 1990 | 18.4°C | 15.4°C | 12.4°C | 21.9°C | 8.5°C | 118 mm | 87% | 1.3 m/s | 2.8 |
| 1989 | 18.8°C | 16.2°C | 13.6°C | 22.5°C | 7.3°C | 117 mm | 88% | 1.3 m/s | 2.5 |
| 1988 | 18.4°C | 15.5°C | 12.7°C | 22.6°C | 9.3°C | 55 mm | 84% | 1.3 m/s | 2.7 |
| 1987 | 19.2°C | 15.3°C | 11.4°C | 23.3°C | 3.4°C | 70 mm | 75% | 1.3 m/s | 2.7 |
| 1986 | 20.0°C | 16.0°C | 12.0°C | 24.0°C | 7.5°C | 35 mm | 74% | 1.3 m/s | 2.9 |
| 1985 | 18.1°C | 15.2°C | 12.4°C | 22.8°C | 7.6°C | 96 mm | 83% | 1.4 m/s | 2.8 |
| 1984 | 18.0°C | 14.5°C | 11.0°C | 22.6°C | 7.9°C | 68 mm | 81% | 1.2 m/s | 2.9 |
| 1983 | 18.2°C | 14.9°C | 11.6°C | 21.6°C | 7.4°C | 149 mm | 82% | 1.2 m/s | — |
| 1982 | 20.8°C | 15.8°C | 10.8°C | 24.5°C | 5.5°C | 12 mm | 62% | 1.2 m/s | — |
| 1981 | 18.8°C | 15.2°C | 11.6°C | 22.5°C | 7.8°C | 139 mm | 76% | 1.3 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 19.3°C with lows near 12°C (mean 15.7°C), based on 45 years of NASA POWER data.
May averages 69 mm of rainfall in Central Coast, one of the drier months. The wettest on record was 191 mm in 1998.
The hottest May reached 26.2°C in 2018. The coldest dipped to 3.4°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.5°C. Daytime highs moved from 18.8°C to 19°C and overnight lows from 11.5°C to 12.2°C over the same span.
May is one of the cooler months of the year in Central Coast and one of the drier months, so plan for around 19.3°C daytime highs and 12°C at night.
Not quite — May is the 4th coolest month in Central Coast, averaging 15.7°C.
For May in Central Coast, pack light layers you can adjust through the day, with typical highs of 19.3°C and lows of 12°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 76% — quite humid.
Average wind speed in May is 1.3 m/s. The windiest May on record averaged 1.5 m/s (1997).
The wettest May on record was 1998 with 191 mm. On average, May sees 69 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 Central Coast 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.
