May is one of the cooler months of the year in Mildura, with average highs near 20.3°C and lows around 8.4°C (mean 14.4°C). It is about average for rainfall, averaging 21 mm of rainfall and 63% relative humidity across the period.
May is one of the cooler months of the year in Mildura. Across 45 years of records, the warmest May in Mildura was 2007 — when the month averaged 16°C — while the coldest was 2006 at 12.3°C. Typical May days reach 20.3°C with nights near 8.4°C. The long-term May temperature trend is broadly flat.
May is about average for rainfall in Mildura, averaging 21 mm of rainfall. The wettest May on record was 1989 with 68 mm, while the driest was 2025 at 0 mm.
Relative humidity in Mildura during May averages 63%. The most humid May was 1989 at 75%, and the least humid was 2005 at 52%.
May receives about 3 kWh/m²/day of solar energy in Mildura. The sunniest May was 2025 at 3.5 kWh/m²/day, and the cloudiest were 1988 and 1997 at 2.7.
Average wind speed in Mildura during May is 2.6 m/s. The windiest Mays were 1994 and 2016 at 3.1 m/s, while the calmest was 2008 at 2.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.4°C | 14.3°C | 14.4°C | 14.4°C | 14.1°C | -0.3°C |
| Avg High | 20.2°C | 20.3°C | 20.4°C | 20.2°C | 20.1°C | -0.1°C |
| Avg Low | 8.5°C | 8.3°C | 8.3°C | 8.6°C | 8.1°C | -0.4°C |
| Avg Rain | 30 mm | 21 mm | 16 mm | 24 mm | 14 mm | -16 mm |
May temperatures in Mildura have stayed relatively stable across the record.
May has ranged from a record low of 1.3°C (2006) to a record high of 31.6°C (1997).
Rainfall in May is about average for rainfall, averaging 21 mm, with a wettest year of 68 mm.
A quieter season to visit Mildura
If your dates are flexible, the more temperate months of November and March tend to be the most comfortable for visiting Mildura. That said, May — with days averaging 20.3°C and nights around 8.4°C (mean 14.4°C) and low rainfall (21 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 | 21.8°C | 15.1°C | 8.5°C | 28.5°C | 3.6°C | 0 mm | 56% | 2.6 m/s | 3.5 |
| 2024 | 21.0°C | 14.7°C | 8.5°C | 24.3°C | 3.1°C | 14 mm | 61% | 2.3 m/s | 3.2 |
| 2023 | 19.5°C | 13.5°C | 7.6°C | 24.2°C | 2.7°C | 12 mm | 64% | 2.5 m/s | 3 |
| 2022 | 19.3°C | 14.2°C | 9.0°C | 24.0°C | 5.3°C | 44 mm | 70% | 2.5 m/s | 2.8 |
| 2021 | 20.7°C | 14.4°C | 8.1°C | 29.1°C | 1.3°C | 7 mm | 58% | 2.7 m/s | 3 |
| 2020 | 18.4°C | 12.6°C | 6.7°C | 27.3°C | 3.3°C | 4 mm | 67% | 2.9 m/s | 3.3 |
| 2019 | 20.8°C | 14.7°C | 8.6°C | 27.4°C | 3.4°C | 41 mm | 63% | 2.8 m/s | 3.1 |
| 2018 | 20.5°C | 14.6°C | 8.6°C | 26.7°C | 4.2°C | 16 mm | 61% | 2.9 m/s | 3 |
| 2017 | 19.9°C | 13.7°C | 7.5°C | 24.5°C | 1.9°C | 11 mm | 61% | 2.3 m/s | 3.2 |
| 2016 | 21.2°C | 15.5°C | 9.8°C | 28.7°C | 4.9°C | 30 mm | 62% | 3.1 m/s | 2.9 |
| 2015 | 19.8°C | 14.1°C | 8.5°C | 25.9°C | 4.5°C | 10 mm | 69% | 2.9 m/s | 3 |
| 2014 | 21.3°C | 15.9°C | 10.5°C | 27.6°C | 4.1°C | 29 mm | 67% | 2.5 m/s | 2.8 |
| 2013 | 20.4°C | 14.7°C | 9.0°C | 28.1°C | 4.0°C | 35 mm | 63% | 2.6 m/s | 2.9 |
| 2012 | 19.7°C | 13.5°C | 7.3°C | 26.6°C | 3.9°C | 4 mm | 64% | 2.6 m/s | 3.3 |
| 2011 | 17.8°C | 12.4°C | 7.1°C | 22.5°C | 2.6°C | 18 mm | 70% | 2.5 m/s | 2.9 |
| 2010 | 20.2°C | 14.5°C | 8.9°C | 26.6°C | 3.8°C | 44 mm | 64% | 2.2 m/s | 3 |
| 2009 | 19.7°C | 14.2°C | 8.7°C | 23.0°C | 4.9°C | 20 mm | 70% | 2.5 m/s | 3 |
| 2008 | 20.7°C | 14.5°C | 8.2°C | 24.8°C | 4.7°C | 14 mm | 62% | 2.1 m/s | 3.1 |
| 2007 🔥 | 22.1°C | 16.0°C | 10.0°C | 27.9°C | 5.2°C | 28 mm | 64% | 3 m/s | 3 |
| 2006 ❄️ | 18.4°C | 12.3°C | 6.1°C | 23.1°C | 1.3°C | 5 mm | 67% | 2.3 m/s | 3.1 |
| 2005 | 22.6°C | 15.7°C | 8.9°C | 29.2°C | 3.7°C | 2 mm | 52% | 2.2 m/s | 3.4 |
| 2004 | 19.7°C | 13.3°C | 6.8°C | 24.3°C | 3.6°C | 11 mm | 60% | 2.5 m/s | 3.2 |
| 2003 | 21.1°C | 15.2°C | 9.3°C | 26.1°C | 4.5°C | 27 mm | 62% | 2.6 m/s | 2.9 |
| 2002 | 21.2°C | 15.1°C | 9.0°C | 28.4°C | 4.8°C | 17 mm | 56% | 2.4 m/s | 3.1 |
| 2001 | 20.3°C | 14.4°C | 8.6°C | 29.5°C | 4.1°C | 14 mm | 61% | 2.4 m/s | 2.9 |
| 2000 | 18.6°C | 12.9°C | 7.2°C | 24.2°C | 3.3°C | 23 mm | 68% | 2.8 m/s | 3.1 |
| 1999 | 21.2°C | 14.9°C | 8.6°C | 26.5°C | 2.6°C | 27 mm | 55% | 2.6 m/s | 3 |
| 1998 | 20.5°C | 14.3°C | 8.1°C | 26.4°C | 2.9°C | 3 mm | 61% | 2.3 m/s | 3 |
| 1997 | 20.2°C | 14.6°C | 9.0°C | 31.6°C | 3.0°C | 21 mm | 63% | 2.4 m/s | 2.7 |
| 1996 | 21.0°C | 14.7°C | 8.3°C | 26.9°C | 3.9°C | 3 mm | 63% | 2.3 m/s | 3.1 |
| 1995 | 18.9°C | 13.4°C | 7.9°C | 27.2°C | 4.7°C | 37 mm | 70% | 2.6 m/s | 2.9 |
| 1994 | 20.8°C | 14.5°C | 8.2°C | 28.3°C | 3.5°C | 2 mm | 56% | 3.1 m/s | 3.2 |
| 1993 | 21.0°C | 14.8°C | 8.7°C | 28.2°C | 3.1°C | 15 mm | 61% | 2.2 m/s | 3.1 |
| 1992 | 19.0°C | 13.4°C | 7.9°C | 27.4°C | 3.8°C | 47 mm | 68% | 2.2 m/s | 2.8 |
| 1991 | 20.5°C | 14.2°C | 7.9°C | 25.1°C | 3.9°C | 2 mm | 62% | 2.3 m/s | 3.2 |
| 1990 | 19.7°C | 14.2°C | 8.7°C | 28.4°C | 3.7°C | 59 mm | 67% | 2.6 m/s | 2.9 |
| 1989 🌧️ | 19.5°C | 14.1°C | 8.7°C | 25.0°C | 4.0°C | 68 mm | 75% | 2.6 m/s | 2.9 |
| 1988 | 21.4°C | 15.9°C | 10.5°C | 29.3°C | 4.3°C | 49 mm | 69% | 2.7 m/s | 2.7 |
| 1987 | 19.3°C | 13.8°C | 8.3°C | 25.6°C | 2.7°C | 27 mm | 66% | 2.8 m/s | 3 |
| 1986 | 20.3°C | 14.2°C | 8.0°C | 25.6°C | 2.4°C | 32 mm | 64% | 2.7 m/s | 3 |
| 1985 | 20.4°C | 14.3°C | 8.2°C | 30.5°C | 2.6°C | 32 mm | 61% | 2.6 m/s | 3.2 |
| 1984 | 20.8°C | 14.4°C | 7.9°C | 25.7°C | 3.7°C | 1 mm | 59% | 2.2 m/s | 3.2 |
| 1983 | 20.3°C | 14.4°C | 8.6°C | 24.8°C | 3.2°C | 12 mm | 68% | 2.6 m/s | — |
| 1982 | 20.3°C | 14.2°C | 8.0°C | 27.0°C | 2.7°C | 5 mm | 56% | 2.5 m/s | — |
| 1981 | 19.9°C | 14.2°C | 8.4°C | 27.9°C | 4.0°C | 45 mm | 61% | 3 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 20.3°C with lows near 8.4°C (mean 14.4°C), based on 45 years of NASA POWER data.
May averages 21 mm of rainfall in Mildura, about average for rainfall. The wettest on record was 68 mm in 1989.
The hottest May reached 31.6°C in 1997. The coldest dipped to 1.3°C in 2006.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.1°C. Daytime highs moved from 20.3°C to 20.5°C and overnight lows from 8.2°C to 8.3°C over the same span.
May is one of the cooler months of the year in Mildura and about average for rainfall, so plan for around 20.3°C daytime highs and 8.4°C at night.
Not quite — May is the 4th coolest month in Mildura, averaging 14.4°C.
For May in Mildura, pack light layers you can adjust through the day, with typical highs of 20.3°C and lows of 8.4°C.
Relative humidity in May averages 63% — moderately humid.
Average wind speed in May is 2.6 m/s. The windiest May on record averaged 3.1 m/s (1994).
The wettest May on record was 1989 with 68 mm. On average, May sees 21 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 Mildura 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.
