May is one of the cooler months of the year in Kangaroo Flat, with average highs near 15.7°C and lows around 5.9°C (mean 10.8°C). It is about average for rainfall, averaging 47 mm of rainfall and 80% relative humidity across the period.
May is one of the cooler months of the year in Kangaroo Flat. Across 45 years of records, the warmest May in Kangaroo Flat was 1988 — when the month averaged 12.3°C — while the coldest was 2020 at 9.1°C. Typical May days reach 15.7°C with nights near 5.9°C. The long-term May temperature trend is broadly flat.
May is about average for rainfall in Kangaroo Flat, averaging 47 mm of rainfall. The wettest May on record was 1988 with 123 mm, while the driest was 2025 at 7 mm.
Relative humidity in Kangaroo Flat during May averages 80%. The most humid May was 1989 at 88%, and the least humid was 2005 at 70%.
May receives about 2.7 kWh/m²/day of solar energy in Kangaroo Flat. The sunniest Mays were 2005 and 2025 at 3.2 kWh/m²/day, and the cloudiest was 1988 at 2.3.
Average wind speed in Kangaroo Flat during May is 2.4 m/s. The windiest May was 1994 at 3.2 m/s, while the calmest was 2008 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.7°C | 10.6°C | 11.1°C | 10.9°C | 10.7°C | 0°C |
| Avg High | 15.4°C | 15.6°C | 16.1°C | 15.8°C | 15.8°C | +0.4°C |
| Avg Low | 6.1°C | 5.7°C | 6.0°C | 6.0°C | 5.5°C | -0.6°C |
| Avg Rain | 73 mm | 47 mm | 38 mm | 44 mm | 29 mm | -43 mm |
May temperatures in Kangaroo Flat have risen by about 0.6°C between 1981–1985 and 2021–2025.
May has ranged from a record low of -0.5°C (1997) to a record high of 25.5°C (2002).
Rainfall in May is about average for rainfall, averaging 47 mm, with a wettest year of 123 mm.
A good time to visit Kangaroo Flat
May is a good time to visit Kangaroo Flat, with days averaging 15.7°C and nights around 5.9°C (mean 10.8°C, cooler than Kangaroo Flat's yearly average) and moderate rainfall. February and January 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 | 17.9°C | 12.0°C | 6.1°C | 23.4°C | 1.3°C | 7 mm | 72% | 2.4 m/s | 3.2 |
| 2024 | 17.2°C | 11.6°C | 6.1°C | 20.8°C | 1.8°C | 40 mm | 78% | 2 m/s | 2.9 |
| 2023 | 14.8°C | 9.8°C | 4.8°C | 19.7°C | 1.8°C | 27 mm | 82% | 2.5 m/s | 2.6 |
| 2022 | 15.2°C | 10.6°C | 6.1°C | 19.0°C | 2.1°C | 28 mm | 84% | 2.2 m/s | 2.5 |
| 2021 | 16.1°C | 10.8°C | 5.4°C | 23.3°C | -0.3°C | 44 mm | 77% | 2.5 m/s | 2.8 |
| 2020 ❄️ | 13.6°C | 9.1°C | 4.7°C | 18.0°C | 1.1°C | 31 mm | 86% | 2.7 m/s | 2.8 |
| 2019 | 16.2°C | 11.2°C | 6.3°C | 20.7°C | 2.8°C | 55 mm | 79% | 2.8 m/s | 2.6 |
| 2018 | 16.3°C | 11.3°C | 6.3°C | 24.5°C | 2.4°C | 44 mm | 77% | 3 m/s | 2.7 |
| 2017 | 15.6°C | 10.7°C | 5.8°C | 18.9°C | 1.6°C | 22 mm | 80% | 2.3 m/s | 2.8 |
| 2016 | 16.2°C | 11.4°C | 6.6°C | 23.4°C | -0.2°C | 56 mm | 79% | 3.1 m/s | 2.6 |
| 2015 | 15.2°C | 10.5°C | 5.8°C | 20.2°C | 2.4°C | 44 mm | 82% | 3 m/s | 2.7 |
| 2014 | 16.5°C | 11.8°C | 7.1°C | 21.2°C | 1.5°C | 43 mm | 84% | 2.3 m/s | 2.6 |
| 2013 | 16.1°C | 11.0°C | 5.8°C | 23.4°C | 2.4°C | 40 mm | 77% | 2.5 m/s | 2.7 |
| 2012 | 15.3°C | 10.2°C | 5.2°C | 20.9°C | 1.8°C | 48 mm | 80% | 2.5 m/s | 2.8 |
| 2011 | 14.2°C | 9.5°C | 4.9°C | 19.7°C | 1.1°C | 35 mm | 84% | 2.4 m/s | 2.5 |
| 2010 | 16.0°C | 11.3°C | 6.6°C | 20.6°C | 1.4°C | 52 mm | 82% | 2.2 m/s | 2.7 |
| 2009 | 16.6°C | 11.5°C | 6.5°C | 19.7°C | 3.8°C | 22 mm | 80% | 2.4 m/s | 2.9 |
| 2008 | 15.7°C | 10.5°C | 5.3°C | 19.3°C | 2.8°C | 33 mm | 81% | 1.9 m/s | 2.7 |
| 2007 | 16.8°C | 12.2°C | 7.6°C | 20.4°C | 2.6°C | 87 mm | 82% | 2.9 m/s | 2.5 |
| 2006 | 14.9°C | 10.0°C | 5.2°C | 19.2°C | 1.5°C | 30 mm | 82% | 2.5 m/s | 2.7 |
| 2005 | 17.8°C | 12.0°C | 6.2°C | 21.7°C | 2.4°C | 9 mm | 70% | 2.3 m/s | 3.2 |
| 2004 | 15.3°C | 10.0°C | 4.8°C | 19.3°C | 1.7°C | 34 mm | 80% | 2.7 m/s | 2.9 |
| 2003 | 17.0°C | 11.7°C | 6.4°C | 23.4°C | 1.5°C | 43 mm | 77% | 2 m/s | 2.8 |
| 2002 | 17.2°C | 11.9°C | 6.6°C | 25.5°C | 3.8°C | 29 mm | 74% | 2.2 m/s | 3 |
| 2001 | 15.6°C | 10.9°C | 6.3°C | 20.4°C | 3.8°C | 15 mm | 81% | 2 m/s | 2.7 |
| 2000 | 14.4°C | 9.9°C | 5.3°C | 20.3°C | 0.8°C | 79 mm | 83% | 2.7 m/s | 2.7 |
| 1999 | 16.4°C | 11.0°C | 5.6°C | 22.0°C | 0.0°C | 74 mm | 74% | 2.5 m/s | 2.7 |
| 1998 | 15.7°C | 10.7°C | 5.8°C | 21.3°C | 0.4°C | 18 mm | 82% | 2.4 m/s | 2.8 |
| 1997 | 15.3°C | 10.7°C | 6.0°C | 24.8°C | -0.5°C | 75 mm | 81% | 2.4 m/s | 2.5 |
| 1996 | 15.8°C | 10.6°C | 5.3°C | 22.7°C | 1.6°C | 30 mm | 82% | 2.1 m/s | 2.7 |
| 1995 | 14.3°C | 10.2°C | 6.1°C | 19.8°C | 1.8°C | 69 mm | 85% | 2.4 m/s | 2.8 |
| 1994 | 15.3°C | 10.3°C | 5.4°C | 21.7°C | 1.0°C | 39 mm | 76% | 3.2 m/s | 2.8 |
| 1993 | 16.1°C | 11.0°C | 5.9°C | 22.8°C | 1.2°C | 38 mm | 79% | 2.1 m/s | 2.7 |
| 1992 | 14.5°C | 10.0°C | 5.6°C | 21.0°C | 0.4°C | 97 mm | 85% | 2.1 m/s | 2.6 |
| 1991 | 16.6°C | 11.1°C | 5.6°C | 21.4°C | 2.1°C | 8 mm | 78% | 2 m/s | 3 |
| 1990 | 16.0°C | 10.7°C | 5.4°C | 23.1°C | 0.6°C | 20 mm | 80% | 2.5 m/s | 2.8 |
| 1989 | 15.4°C | 11.4°C | 7.3°C | 19.8°C | 2.4°C | 76 mm | 88% | 2.4 m/s | 2.6 |
| 1988 🔥 🌧️ | 16.5°C | 12.3°C | 8.2°C | 25.4°C | 2.4°C | 123 mm | 85% | 2.1 m/s | 2.3 |
| 1987 | 15.0°C | 10.4°C | 5.8°C | 20.1°C | 0.3°C | 84 mm | 83% | 2.7 m/s | 2.5 |
| 1986 | 15.0°C | 10.3°C | 5.6°C | 19.7°C | 1.0°C | 77 mm | 84% | 2.2 m/s | 2.7 |
| 1985 | 15.9°C | 10.9°C | 5.9°C | 23.9°C | 0.9°C | 61 mm | 78% | 2.3 m/s | 2.8 |
| 1984 | 15.7°C | 10.5°C | 5.2°C | 21.4°C | 2.5°C | 20 mm | 77% | 2 m/s | 3 |
| 1983 | 14.8°C | 10.6°C | 6.4°C | 18.5°C | 1.4°C | 103 mm | 87% | 2.5 m/s | — |
| 1982 | 15.2°C | 9.8°C | 4.5°C | 20.8°C | 1.4°C | 32 mm | 76% | 2.6 m/s | — |
| 1981 | 15.3°C | 10.4°C | 5.6°C | 23.0°C | 0.1°C | 78 mm | 79% | 2.5 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 15.7°C with lows near 5.9°C (mean 10.8°C), based on 45 years of NASA POWER data.
May averages 47 mm of rainfall in Kangaroo Flat, about average for rainfall. The wettest on record was 123 mm in 1988.
The hottest May reached 25.5°C in 2002. The coldest dipped to -0.5°C in 1997.
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 15.4°C to 16.2°C and overnight lows from 5.5°C to 5.7°C over the same span.
May is one of the cooler months of the year in Kangaroo Flat and about average for rainfall, so plan for around 15.7°C daytime highs and 5.9°C at night.
Not quite — May is the 5th coolest month in Kangaroo Flat, averaging 10.8°C.
For May in Kangaroo Flat, pack warm layers and a jacket for chilly mornings, with typical highs of 15.7°C and lows of 5.9°C.
Relative humidity in May averages 80% — quite humid.
Average wind speed in May is 2.4 m/s. The windiest May on record averaged 3.2 m/s (1994).
The wettest May on record was 1988 with 123 mm. On average, May sees 47 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 Kangaroo Flat 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.
