May is one of the cooler months of the year in Tumut, with average highs near 14.9°C and lows around 5.4°C (mean 10.2°C). It is about average for rainfall, averaging 61 mm of rainfall and 77% relative humidity across the period.
May is one of the cooler months of the year in Tumut. Across 45 years of records, the warmest May in Tumut was 2003 — when the month averaged 11.9°C — while the coldest were 2012 and 2023 at 8.4°C. Typical May days reach 14.9°C with nights near 5.4°C. The long-term May temperature trend is broadly flat.
May is about average for rainfall in Tumut, averaging 61 mm of rainfall. The wettest May on record was 1995 with 194 mm, while the driest was 2005 at 3 mm.
Relative humidity in Tumut during May averages 77%. The most humid May was 1989 at 88%, and the least humid was 2005 at 66%.
May receives about 2.9 kWh/m²/day of solar energy in Tumut. The sunniest May was 2005 at 3.2 kWh/m²/day, and the cloudiest were 1995 and 2022 at 2.5.
Average wind speed in Tumut during May is 0.9 m/s. The windiest Mays were 1983 and 2016 at 1.1 m/s, while the calmest were 1988, 1992 and 2001 at 0.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.0°C | 10.4°C | 10.4°C | 9.7°C | 10.1°C | +0.1°C |
| Avg High | 14.6°C | 15.2°C | 15.4°C | 14.4°C | 15.0°C | +0.4°C |
| Avg Low | 5.5°C | 5.6°C | 5.5°C | 5.0°C | 5.2°C | -0.3°C |
| Avg Rain | 89 mm | 66 mm | 41 mm | 61 mm | 41 mm | -49 mm |
May temperatures in Tumut have risen by about 0.7°C between 1981–1985 and 2021–2025.
May has ranged from a record low of -1.7°C (1997) to a record high of 23.5°C (1988).
Rainfall in May is about average for rainfall, averaging 61 mm, with a wettest year of 194 mm.
A good time to visit Tumut
May is a good time to visit Tumut, with days averaging 14.9°C and nights around 5.4°C (mean 10.2°C, cooler than Tumut's yearly average) and moderate rainfall. January and February 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 | 17.2°C | 11.8°C | 6.3°C | 20.9°C | 2.5°C | 43 mm | 71% | 0.9 m/s | 3 |
| 2024 | 17.0°C | 11.5°C | 5.9°C | 19.7°C | 0.0°C | 23 mm | 70% | 0.9 m/s | 3 |
| 2023 | 12.7°C | 8.4°C | 4.1°C | 17.5°C | 1.2°C | 30 mm | 80% | 0.9 m/s | 2.8 |
| 2022 | 14.6°C | 10.3°C | 6.0°C | 18.8°C | 0.9°C | 51 mm | 82% | 0.9 m/s | 2.5 |
| 2021 | 14.7°C | 10.0°C | 5.2°C | 20.7°C | -1.2°C | 61 mm | 79% | 0.9 m/s | 2.9 |
| 2020 | 13.7°C | 8.8°C | 4.0°C | 17.8°C | 1.7°C | 34 mm | 82% | 1 m/s | 2.9 |
| 2019 | 14.2°C | 9.7°C | 5.3°C | 19.0°C | 0.7°C | 69 mm | 78% | 1 m/s | 2.8 |
| 2018 | 15.5°C | 10.2°C | 4.9°C | 23.1°C | 1.2°C | 32 mm | 70% | 1 m/s | 2.9 |
| 2017 | 15.2°C | 10.0°C | 4.9°C | 20.2°C | -0.1°C | 38 mm | 74% | 0.9 m/s | 2.9 |
| 2016 | 14.6°C | 10.2°C | 5.8°C | 22.5°C | 0.1°C | 94 mm | 79% | 1.1 m/s | 2.8 |
| 2015 | 13.9°C | 9.4°C | 4.9°C | 22.1°C | 0.7°C | 72 mm | 81% | 1 m/s | 2.7 |
| 2014 | 15.2°C | 10.9°C | 6.5°C | 19.4°C | 0.6°C | 61 mm | 81% | 0.9 m/s | 2.8 |
| 2013 | 14.6°C | 9.8°C | 4.9°C | 23.3°C | 1.0°C | 63 mm | 78% | 0.9 m/s | 2.9 |
| 2012 ❄️ | 13.1°C | 8.4°C | 3.7°C | 18.5°C | -0.5°C | 47 mm | 81% | 0.9 m/s | 3.1 |
| 2011 | 13.0°C | 8.5°C | 3.9°C | 17.0°C | -1.0°C | 61 mm | 82% | 0.9 m/s | 3 |
| 2010 | 15.0°C | 10.2°C | 5.3°C | 19.9°C | 0.8°C | 70 mm | 78% | 0.9 m/s | 2.9 |
| 2009 | 15.7°C | 10.8°C | 5.8°C | 18.7°C | 1.7°C | 21 mm | 75% | 1 m/s | 3 |
| 2008 | 15.1°C | 10.2°C | 5.2°C | 19.1°C | 1.8°C | 21 mm | 75% | 0.9 m/s | 3 |
| 2007 | 16.4°C | 11.8°C | 7.1°C | 21.3°C | 1.4°C | 83 mm | 76% | 1 m/s | 2.7 |
| 2006 | 14.5°C | 9.2°C | 3.9°C | 18.9°C | 0.3°C | 21 mm | 74% | 0.9 m/s | 2.9 |
| 2005 | 17.3°C | 11.6°C | 6.0°C | 22.9°C | 0.7°C | 3 mm | 66% | 0.9 m/s | 3.2 |
| 2004 | 14.2°C | 9.2°C | 4.3°C | 19.0°C | -0.6°C | 48 mm | 74% | 1 m/s | 3 |
| 2003 🔥 | 17.0°C | 11.9°C | 6.9°C | 22.8°C | 2.9°C | 30 mm | 72% | 0.9 m/s | 2.9 |
| 2002 | 15.0°C | 10.4°C | 5.8°C | 21.7°C | 0.9°C | 52 mm | 72% | 1 m/s | 2.7 |
| 2001 | 15.5°C | 10.2°C | 5.0°C | 20.6°C | 1.3°C | 16 mm | 74% | 0.8 m/s | 3 |
| 2000 | 13.2°C | 8.9°C | 4.7°C | 22.8°C | 0.1°C | 114 mm | 83% | 1 m/s | 2.6 |
| 1999 | 16.0°C | 10.9°C | 5.8°C | 21.6°C | -0.1°C | 66 mm | 72% | 0.9 m/s | 2.9 |
| 1998 | 15.1°C | 10.6°C | 6.1°C | 20.7°C | -0.2°C | 23 mm | 75% | 0.9 m/s | 2.7 |
| 1997 | 15.7°C | 10.9°C | 6.2°C | 23.1°C | -1.7°C | 74 mm | 75% | 0.9 m/s | 2.7 |
| 1996 | 15.4°C | 10.6°C | 5.8°C | 21.3°C | 0.0°C | 72 mm | 80% | 0.9 m/s | 2.8 |
| 1995 🌧️ | 13.9°C | 9.8°C | 5.8°C | 17.5°C | 2.7°C | 194 mm | 86% | 0.9 m/s | 2.5 |
| 1994 | 14.4°C | 9.6°C | 4.8°C | 19.1°C | 1.6°C | 27 mm | 73% | 1 m/s | 2.9 |
| 1993 | 15.7°C | 10.6°C | 5.6°C | 20.5°C | 0.3°C | 44 mm | 72% | 0.9 m/s | 3 |
| 1992 | 14.2°C | 9.6°C | 5.0°C | 19.9°C | 0.9°C | 43 mm | 80% | 0.8 m/s | 2.9 |
| 1991 | 16.2°C | 10.6°C | 5.0°C | 20.7°C | 0.3°C | 25 mm | 69% | 0.9 m/s | 3.1 |
| 1990 | 15.0°C | 10.3°C | 5.6°C | 19.0°C | -0.5°C | 95 mm | 80% | 0.9 m/s | 2.9 |
| 1989 | 15.0°C | 10.9°C | 6.9°C | 19.6°C | -0.7°C | 106 mm | 88% | 0.9 m/s | 2.6 |
| 1988 | 15.0°C | 10.8°C | 6.7°C | 23.5°C | 1.9°C | 150 mm | 82% | 0.8 m/s | 2.6 |
| 1987 | 14.0°C | 9.5°C | 5.0°C | 20.8°C | -1.0°C | 86 mm | 80% | 1 m/s | 2.7 |
| 1986 | 15.0°C | 10.3°C | 5.7°C | 20.7°C | 0.7°C | 79 mm | 77% | 0.9 m/s | 2.9 |
| 1985 | 15.1°C | 10.0°C | 5.0°C | 21.5°C | -0.8°C | 76 mm | 77% | 0.9 m/s | 2.9 |
| 1984 | 14.8°C | 9.9°C | 4.9°C | 18.1°C | 1.4°C | 21 mm | 77% | 0.9 m/s | 3.1 |
| 1983 | 13.7°C | 9.6°C | 5.6°C | 19.8°C | 0.5°C | 149 mm | 86% | 1.1 m/s | — |
| 1982 | 13.8°C | 9.0°C | 4.1°C | 18.6°C | -1.2°C | 39 mm | 74% | 1 m/s | — |
| 1981 | 14.7°C | 10.1°C | 5.5°C | 21.9°C | -0.7°C | 97 mm | 77% | 0.9 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 14.9°C with lows near 5.4°C (mean 10.2°C), based on 45 years of NASA POWER data.
May averages 61 mm of rainfall in Tumut, about average for rainfall. The wettest on record was 194 mm in 1995.
The hottest May reached 23.5°C in 1988. The coldest dipped to -1.7°C in 1997.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.7°C. Daytime highs moved from 14.4°C to 15.2°C and overnight lows from 5°C to 5.5°C over the same span.
May is one of the cooler months of the year in Tumut and about average for rainfall, so plan for around 14.9°C daytime highs and 5.4°C at night.
Not quite — May is the 5th coolest month in Tumut, averaging 10.2°C.
For May in Tumut, pack warm layers and a jacket for chilly mornings, with typical highs of 14.9°C and lows of 5.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 77% — quite humid.
Average wind speed in May is 0.9 m/s. The windiest May on record averaged 1.1 m/s (1983).
The wettest May on record was 1995 with 194 mm. On average, May sees 61 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 Tumut 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.
