May is one of the warmer months of the year in Niwari, with average highs near 46.1°C and lows around 23.7°C (mean 34.9°C). It is one of the drier months, averaging 14 mm of rainfall and 22% relative humidity across the period.
May is one of the warmer months of the year in Niwari. Across 45 years of records, the warmest May in Niwari was 1994 — when the month averaged 36.6°C — while the coldest was 1987 at 31.9°C. Typical May days reach 46.1°C with nights near 23.7°C. The long-term May temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 34.2°C | 35.2°C | 34.9°C | 35.6°C | 34.4°C | +0.2°C |
| Avg High | 46.0°C | 46.2°C | 45.6°C | 46.7°C | 45.9°C | -0.1°C |
| Avg Low | 22.5°C | 24.2°C | 24.1°C | 24.6°C | 22.8°C | +0.3°C |
| Avg Rain | 15 mm | 12 mm | 17 mm | 8 mm | 22 mm | +6 mm |
May temperatures in Niwari have fallen by about 0.5°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 19.7°C (2023) to a record high of 48.2°C (1994).
Rainfall in May is one of the drier months, averaging 14 mm, with a wettest year of 67 mm.
A quieter season to visit Niwari
If your dates are flexible, the more temperate months of February and November tend to be the most comfortable for visiting Niwari. That said, May — with days averaging 46.1°C and nights around 23.7°C (mean 34.9°C) and low rainfall (14 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 45.2°C | 24.2°C | 34.7°C | 25 mm | 34% | 2.6 m/s | 5.9 |
| 2024 | 48.0°C | 20.6°C | 34.3°C | 3 mm | 22% | 2.7 m/s | 6.6 |
| 2023 | 45.2°C | 19.7°C | 32.5°C | 26 mm | 33% | 2.6 m/s | 7 |
| 2022 | 47.3°C | 25.5°C | 36.4°C | 20 mm | 24% | 3 m/s | 6.6 |
| 2021 | 43.4°C | 22.7°C | 33.0°C | 45 mm | 35% | 2.5 m/s | 6.3 |
| 2020 | 46.4°C | 24.3°C | 35.3°C | 11 mm | 23% | 2.6 m/s | 7.3 |
| 2019 | 46.3°C | 24.9°C | 35.6°C | 3 mm | 19% | 2.6 m/s | 7.4 |
| 2018 | 47.1°C | 25.5°C | 36.3°C | 2 mm | 18% | 2.3 m/s | 6.9 |
| 2017 | 47.2°C | 24.0°C | 35.6°C | 16 mm | 20% | 2.8 m/s | 7 |
| 2016 | 47.2°C | 25.8°C | 36.5°C | 25 mm | 24% | 2.8 m/s | 6.9 |
| 2015 | 45.9°C | 24.5°C | 35.2°C | 16 mm | 21% | 2.9 m/s | 7.2 |
| 2014 | 46.9°C | 25.9°C | 36.4°C | 4 mm | 21% | 2.9 m/s | 7.3 |
| 2013 | 46.9°C | 22.6°C | 34.8°C | 0 mm | 16% | 3.5 m/s | 7.6 |
| 2012 | 46.2°C | 22.8°C | 34.5°C | 5 mm | 18% | 2.9 m/s | 7.4 |
| 2011 | 46.2°C | 25.4°C | 35.8°C | 10 mm | 22% | 2.8 m/s | 7.2 |
| 2010 | 46.9°C | 24.6°C | 35.7°C | 2 mm | 18% | 2.6 m/s | 7.1 |
| 2009 | 45.3°C | 25.3°C | 35.3°C | 13 mm | 21% | 2.5 m/s | 7.2 |
| 2008 | 44.1°C | 26.0°C | 35.0°C | 14 mm | 25% | 3.2 m/s | 7.1 |
| 2007 | 44.5°C | 22.9°C | 33.7°C | 30 mm | 25% | 2.8 m/s | 7.1 |
| 2006 | 46.6°C | 26.0°C | 36.3°C | 14 mm | 24% | 2.7 m/s | 6.7 |
| 2005 | 44.8°C | 22.3°C | 33.6°C | 13 mm | 21% | 2.7 m/s | 7.3 |
| 2004 | 46.1°C | 21.3°C | 33.7°C | 12 mm | 23% | 3.3 m/s | 7.1 |
| 2003 | 45.4°C | 20.5°C | 33.0°C | 3 mm | 15% | 2.9 m/s | 7.2 |
| 2002 | 46.9°C | 26.0°C | 36.5°C | 11 mm | 18% | 3.7 m/s | 7.2 |
| 2001 | 46.6°C | 25.4°C | 36.0°C | 49 mm | 30% | 3.1 m/s | 7.2 |
| 2000 | 46.0°C | 25.1°C | 35.5°C | 15 mm | 28% | 3.6 m/s | 7 |
| 1999 | 45.8°C | 26.4°C | 36.1°C | 6 mm | 20% | 3.1 m/s | 7.2 |
| 1998 | 47.9°C | 25.1°C | 36.5°C | 3 mm | 18% | 2.8 m/s | 7.3 |
| 1997 🌧️ | 44.6°C | 20.2°C | 32.4°C | 67 mm | 26% | 2.7 m/s | 7.2 |
| 1996 | 45.2°C | 23.1°C | 34.2°C | 5 mm | 19% | 3.2 m/s | 7.1 |
| 1995 | 46.1°C | 25.1°C | 35.6°C | 1 mm | 18% | 3 m/s | 7.5 |
| 1994 🔥 | 48.2°C | 25.1°C | 36.6°C | 2 mm | 17% | 2.7 m/s | 7.6 |
| 1993 | 46.7°C | 24.2°C | 35.4°C | 2 mm | 16% | 3.2 m/s | 7.6 |
| 1992 | 45.7°C | 23.8°C | 34.8°C | 5 mm | 17% | 2.5 m/s | 7.6 |
| 1991 | 46.5°C | 25.1°C | 35.8°C | 0 mm | 16% | 3 m/s | 7.5 |
| 1990 | 45.7°C | 23.5°C | 34.6°C | 26 mm | 27% | 3 m/s | 7 |
| 1989 | 47.0°C | 20.9°C | 33.9°C | 3 mm | 15% | 2.7 m/s | 7.4 |
| 1988 | 47.4°C | 24.0°C | 35.7°C | 9 mm | 16% | 3 m/s | 7.2 |
| 1987 ❄️ | 43.2°C | 20.7°C | 31.9°C | 54 mm | 33% | 2.6 m/s | 6.9 |
| 1986 | 45.8°C | 20.8°C | 33.3°C | 11 mm | 17% | 2.8 m/s | 7.7 |
| 1985 | 46.6°C | 25.5°C | 36.0°C | 4 mm | 15% | 2.9 m/s | 7.7 |
| 1984 | 48.0°C | 21.4°C | 34.7°C | 0 mm | 14% | 3.5 m/s | 7.7 |
| 1983 | 44.6°C | 23.9°C | 34.3°C | 18 mm | 23% | 2.3 m/s | — |
| 1982 | 44.4°C | 21.6°C | 33.0°C | 14 mm | 28% | 2.8 m/s | — |
| 1981 | 46.8°C | 23.8°C | 35.3°C | 22 mm | 23% | 2.9 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 46.1°C with lows near 23.7°C (mean 34.9°C), based on 45 years of NASA POWER data.
May averages 14 mm of rainfall in Niwari, one of the drier months. The wettest on record was 67 mm in 1997.
The hottest May reached 48.2°C in 1994. The coldest dipped to 19.7°C in 2023.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have fallen by about 0.5°C. Daytime highs moved from 46.1°C to 45.8°C and overnight lows from 23.2°C to 22.5°C over the same span.
May is one of the warmer months of the year in Niwari and one of the drier months, so plan for around 46.1°C daytime highs and 23.7°C at night.
Not quite — May is the 11th coolest month in Niwari, averaging 34.9°C.
For May in Niwari, pack light, breathable clothing and sun protection, with typical highs of 46.1°C and lows of 23.7°C.
Relative humidity in May averages 22% — relatively dry.
Average wind speed in May is 2.9 m/s. The windiest May on record averaged 3.7 m/s (2002).
The wettest May on record was 1997 with 67 mm. On average, May sees 14 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 Niwari 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.
