May is one of the cooler months of the year in Longreach, with average highs near 27.2°C and lows around 13.4°C (mean 20.3°C). It is about average for rainfall, averaging 23 mm of rainfall and 51% relative humidity across the period.
May is one of the cooler months of the year in Longreach. Across 45 years of records, the warmest May in Longreach was 2007 — when the month averaged 23.7°C — while the coldest was 2011 at 17.3°C. Typical May days reach 27.2°C with nights near 13.4°C. The long-term May temperature trend is broadly flat.
May is about average for rainfall in Longreach, averaging 23 mm of rainfall. The wettest May on record was 1989 with 174 mm, while the driest were 2001, 2002 and 2021 at 0 mm.
Relative humidity in Longreach during May averages 51%. The most humid May was 1990 at 78%, and the least humid was 2002 at 32%.
May receives about 4.5 kWh/m²/day of solar energy in Longreach. The sunniest Mays were 2001, 2021 and 2023 at 4.9 kWh/m²/day, and the cloudiest was 2022 at 3.8.
Average wind speed in Longreach during May is 2.8 m/s. The windiest Mays were 1995, 2018 and 2024 at 3.3 m/s, while the calmest were 1989, 1999 and 2009 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.5°C | 20.3°C | 20.1°C | 20.4°C | 20.4°C | -0.1°C |
| Avg High | 27.1°C | 27.0°C | 27.3°C | 27.4°C | 27.3°C | +0.2°C |
| Avg Low | 13.8°C | 13.6°C | 12.9°C | 13.4°C | 13.6°C | -0.2°C |
| Avg Rain | 48 mm | 26 mm | 14 mm | 14 mm | 7 mm | -41 mm |
May temperatures in Longreach have risen by about 0.4°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 2.6°C (2000) to a record high of 36.8°C (2007).
Rainfall in May is about average for rainfall, averaging 23 mm, with a wettest year of 174 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.
One of the best times to visit Longreach
May is one of the best times to visit Longreach. Expect days averaging 27.2°C and nights around 13.4°C (mean 20.3°C) — cooler than Longreach's yearly average — with low rainfall (23 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 27.1°C | 20.6°C | 14.0°C | 32.7°C | 8.0°C | 1 mm | 57% | 3.1 m/s | 4.4 |
| 2024 | 28.8°C | 22.1°C | 15.5°C | 31.4°C | 8.1°C | 2 mm | 47% | 3.3 m/s | 4.4 |
| 2023 | 26.8°C | 18.8°C | 10.9°C | 30.8°C | 5.8°C | 0 mm | 37% | 3 m/s | 4.9 |
| 2022 | 26.7°C | 20.9°C | 15.1°C | 29.9°C | 7.5°C | 28 mm | 68% | 2.7 m/s | 3.8 |
| 2021 | 28.1°C | 20.6°C | 13.2°C | 32.0°C | 7.4°C | 0 mm | 39% | 3.1 m/s | 4.9 |
| 2020 | 26.3°C | 19.5°C | 12.8°C | 31.7°C | 6.9°C | 8 mm | 44% | 2.9 m/s | 4.4 |
| 2019 | 27.6°C | 20.5°C | 13.5°C | 32.3°C | 7.1°C | 1 mm | 47% | 3.2 m/s | 4.7 |
| 2018 | 27.9°C | 20.9°C | 13.9°C | 32.9°C | 8.2°C | 0 mm | 40% | 3.3 m/s | 4.8 |
| 2017 | 29.4°C | 22.6°C | 15.9°C | 31.8°C | 11.1°C | 2 mm | 45% | 2.8 m/s | 4.5 |
| 2016 | 30.2°C | 23.4°C | 16.5°C | 34.7°C | 10.1°C | 19 mm | 41% | 2.8 m/s | 4.3 |
| 2015 | 27.6°C | 20.2°C | 12.7°C | 33.9°C | 5.9°C | 7 mm | 46% | 3.2 m/s | 4.8 |
| 2014 | 28.3°C | 21.8°C | 15.4°C | 32.1°C | 7.6°C | 1 mm | 46% | 3 m/s | 4.5 |
| 2013 | 26.6°C | 19.9°C | 13.2°C | 32.0°C | 6.9°C | 16 mm | 57% | 3 m/s | 4.2 |
| 2012 | 25.5°C | 18.3°C | 11.0°C | 29.5°C | 3.9°C | 62 mm | 59% | 2.9 m/s | 4.4 |
| 2011 ❄️ | 24.6°C | 17.3°C | 9.9°C | 29.0°C | 5.0°C | 2 mm | 57% | 2.9 m/s | 4.7 |
| 2010 | 26.3°C | 19.3°C | 12.3°C | 30.8°C | 6.4°C | 33 mm | 59% | 2.5 m/s | 4.4 |
| 2009 | 26.6°C | 20.2°C | 13.8°C | 29.1°C | 10.0°C | 8 mm | 55% | 2.4 m/s | 4.1 |
| 2008 | 27.1°C | 19.7°C | 12.2°C | 30.1°C | 7.8°C | 9 mm | 44% | 2.5 m/s | 4.7 |
| 2007 🔥 | 30.6°C | 23.7°C | 16.8°C | 36.8°C | 9.6°C | 5 mm | 42% | 3 m/s | 4.6 |
| 2006 | 25.7°C | 17.8°C | 9.9°C | 28.2°C | 3.9°C | 14 mm | 54% | 2.5 m/s | 4.8 |
| 2005 | 27.2°C | 19.7°C | 12.1°C | 33.7°C | 7.1°C | 28 mm | 47% | 2.7 m/s | 4.7 |
| 2004 | 27.5°C | 20.4°C | 13.4°C | 31.5°C | 7.6°C | 5 mm | 50% | 2.8 m/s | 4.5 |
| 2003 | 28.1°C | 21.0°C | 14.0°C | 33.9°C | 9.9°C | 27 mm | 46% | 2.7 m/s | 4.5 |
| 2002 | 28.6°C | 21.0°C | 13.4°C | 33.2°C | 5.8°C | 0 mm | 32% | 3 m/s | 4.7 |
| 2001 | 27.2°C | 19.0°C | 10.9°C | 33.3°C | 6.2°C | 0 mm | 37% | 2.5 m/s | 4.9 |
| 2000 | 24.7°C | 18.6°C | 12.6°C | 29.7°C | 2.6°C | 41 mm | 68% | 3 m/s | 4.3 |
| 1999 | 27.1°C | 20.2°C | 13.3°C | 30.4°C | 6.4°C | 19 mm | 61% | 2.4 m/s | 4.6 |
| 1998 | 26.1°C | 19.4°C | 12.6°C | 30.5°C | 5.7°C | 35 mm | 66% | 2.5 m/s | 4.5 |
| 1997 | 26.0°C | 19.4°C | 12.7°C | 31.6°C | 8.1°C | 36 mm | 57% | 2.6 m/s | 4.1 |
| 1996 | 27.9°C | 20.6°C | 13.4°C | 31.5°C | 7.1°C | 1 mm | 47% | 3 m/s | 4.7 |
| 1995 | 27.4°C | 20.8°C | 14.2°C | 33.0°C | 7.1°C | 3 mm | 46% | 3.3 m/s | 4.3 |
| 1994 | 27.7°C | 19.8°C | 11.9°C | 31.2°C | 6.8°C | 3 mm | 39% | 2.6 m/s | 4.7 |
| 1993 | 28.7°C | 22.4°C | 16.1°C | 31.6°C | 12.4°C | 6 mm | 43% | 2.9 m/s | 4.4 |
| 1992 | 26.7°C | 20.4°C | 14.1°C | 32.5°C | 5.7°C | 56 mm | 56% | 2.7 m/s | 4 |
| 1991 | 28.2°C | 21.6°C | 14.9°C | 31.9°C | 9.9°C | 2 mm | 46% | 3 m/s | 4.6 |
| 1990 | 23.9°C | 18.1°C | 12.3°C | 29.3°C | 6.4°C | 101 mm | 78% | 2.9 m/s | 4.5 |
| 1989 🌧️ | 26.6°C | 21.1°C | 15.7°C | 31.1°C | 11.4°C | 174 mm | 75% | 2.4 m/s | 4 |
| 1988 | 28.0°C | 21.0°C | 14.0°C | 34.7°C | 7.1°C | 19 mm | 50% | 2.9 m/s | 4.4 |
| 1987 | 26.3°C | 19.8°C | 13.3°C | 32.8°C | 2.9°C | 25 mm | 55% | 2.7 m/s | 4.5 |
| 1986 | 28.1°C | 21.2°C | 14.2°C | 32.0°C | 8.2°C | 21 mm | 51% | 2.6 m/s | 4.6 |
| 1985 | 27.6°C | 20.9°C | 14.2°C | 31.9°C | 6.2°C | 3 mm | 46% | 3.2 m/s | 4.7 |
| 1984 | 27.9°C | 20.5°C | 13.1°C | 30.4°C | 7.7°C | 1 mm | 39% | 2.7 m/s | 4.6 |
| 1983 | 24.9°C | 19.3°C | 13.6°C | 28.1°C | 7.1°C | 98 mm | 75% | 2.8 m/s | — |
| 1982 | 28.1°C | 20.4°C | 12.7°C | 31.9°C | 7.1°C | 2 mm | 38% | 2.9 m/s | — |
| 1981 | 26.8°C | 20.0°C | 13.2°C | 31.4°C | 6.8°C | 88 mm | 52% | 3 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 27.2°C with lows near 13.4°C (mean 20.3°C), based on 45 years of NASA POWER data.
May averages 23 mm of rainfall in Longreach, about average for rainfall. The wettest on record was 174 mm in 1989.
The hottest May reached 36.8°C in 2007. The coldest dipped to 2.6°C in 2000.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.4°C. Daytime highs moved from 27.1°C to 27.5°C and overnight lows from 13.4°C to 13.7°C over the same span.
May is one of the cooler months of the year in Longreach and about average for rainfall, so plan for around 27.2°C daytime highs and 13.4°C at night.
Not quite — May is the 4th coolest month in Longreach, averaging 20.3°C.
For May in Longreach, pack light layers you can adjust through the day, with typical highs of 27.2°C and lows of 13.4°C.
Relative humidity in May averages 51% — relatively dry.
Average wind speed in May is 2.8 m/s. The windiest May on record averaged 3.3 m/s (1995).
The wettest May on record was 1989 with 174 mm. On average, May sees 23 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 Longreach 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.
