January is one of the warmer months of the year in Newman, with average highs near 39.6°C and lows around 25.1°C (mean 32.4°C). It is a relatively wet time of year, averaging 76 mm of rainfall and 35% relative humidity across the period.
January is one of the warmer months of the year in Newman. Across 45 years of records, the warmest January in Newman was 1991 — when the month averaged 35.2°C — while the coldest was 2012 at 28°C. Typical January days reach 39.6°C with nights near 25.1°C. The long-term January temperature trend is broadly flat.
January is a relatively wet time of year in Newman, averaging 76 mm of rainfall. The wettest January on record was 2012 with 267 mm, while the driest was 2005 at 1 mm.
Relative humidity in Newman during January averages 35%. The most humid January was 2012 at 64%, and the least humid was 1996 at 20%.
January receives about 7.6 kWh/m²/day of solar energy in Newman. The sunniest January was 2005 at 8.6 kWh/m²/day, and the cloudiest was 2012 at 6.4.
Average wind speed in Newman during January is 3.5 m/s. The windiest Januarys were 1982 and 2003 at 4.1 m/s, while the calmest was 1999 at 2.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 32.5°C | 32.8°C | 32.3°C | 31.5°C | 32.8°C | +0.3°C |
| Avg High | 40.0°C | 40.4°C | 39.6°C | 38.1°C | 39.9°C | -0.1°C |
| Avg Low | 25.0°C | 25.3°C | 25.0°C | 24.9°C | 25.6°C | +0.6°C |
| Avg Rain | 39 mm | 51 mm | 84 mm | 126 mm | 73 mm | +35 mm |
January temperatures in Newman have risen by about 0.6°C between 1981–1985 and 2021–2025.
January has ranged from a record low of 15.5°C (2018) to a record high of 47.3°C (2024).
Rainfall in January is a relatively wet time of year, averaging 76 mm, with a wettest year of 267 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.3°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A quieter season to visit Newman
If your dates are flexible, the more temperate months of September and May tend to be the most comfortable for visiting Newman. That said, January — with days averaging 39.6°C and nights around 25.1°C (mean 32.4°C) and moderate rainfall (76 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 40.3°C | 33.5°C | 26.6°C | 45.2°C | 24.2°C | 15 mm | 38% | 3.4 m/s | 7 |
| 2024 | 41.6°C | 34.5°C | 27.3°C | 47.3°C | 20.1°C | 116 mm | 33% | 3.2 m/s | 7.4 |
| 2023 | 39.5°C | 32.6°C | 25.7°C | 44.3°C | 22.4°C | 43 mm | 32% | 3.5 m/s | 7.3 |
| 2022 | 41.8°C | 34.1°C | 26.5°C | 46.1°C | 23.4°C | 19 mm | 27% | 3.6 m/s | 8 |
| 2021 | 39.3°C | 31.7°C | 24.1°C | 44.4°C | 18.4°C | 55 mm | 29% | 3.7 m/s | 7.7 |
| 2020 | 37.0°C | 30.1°C | 23.3°C | 44.7°C | 19.8°C | 192 mm | 49% | 3.5 m/s | 7.4 |
| 2019 | 41.9°C | 34.5°C | 27.2°C | 46.6°C | 23.7°C | 29 mm | 29% | 3.4 m/s | 7.5 |
| 2018 | 38.5°C | 31.7°C | 24.9°C | 44.8°C | 15.5°C | 92 mm | 43% | 3.7 m/s | 6.7 |
| 2017 | 35.9°C | 30.1°C | 24.4°C | 42.3°C | 21.1°C | 143 mm | 53% | 3.6 m/s | 6.8 |
| 2016 | 37.4°C | 31.2°C | 25.0°C | 45.1°C | 20.6°C | 185 mm | 43% | 3.2 m/s | 6.5 |
| 2015 | 40.2°C | 33.0°C | 25.7°C | 46.6°C | 18.5°C | 76 mm | 35% | 3.5 m/s | 7.7 |
| 2014 | 38.0°C | 31.1°C | 24.3°C | 44.0°C | 21.5°C | 224 mm | 48% | 3.4 m/s | 7.6 |
| 2013 | 37.0°C | 30.5°C | 23.9°C | 45.5°C | 17.6°C | 100 mm | 44% | 3.4 m/s | 7 |
| 2012 ❄️ 🌧️ | 33.5°C | 28.0°C | 22.6°C | 42.4°C | 18.7°C | 267 mm | 64% | 3.1 m/s | 6.4 |
| 2011 | 37.1°C | 30.9°C | 24.7°C | 42.1°C | 20.2°C | 129 mm | 53% | 3.3 m/s | 7.5 |
| 2010 | 41.8°C | 34.2°C | 26.6°C | 45.3°C | 22.7°C | 17 mm | 26% | 3.3 m/s | 7.8 |
| 2009 | 41.2°C | 33.5°C | 25.7°C | 44.7°C | 22.2°C | 36 mm | 30% | 3.8 m/s | 8 |
| 2008 | 42.1°C | 34.5°C | 26.9°C | 45.8°C | 21.7°C | 48 mm | 30% | 3.2 m/s | 7.3 |
| 2007 | 39.6°C | 31.7°C | 23.7°C | 44.4°C | 16.9°C | 54 mm | 28% | 3.4 m/s | 8.1 |
| 2006 | 36.2°C | 30.1°C | 24.1°C | 43.1°C | 18.4°C | 193 mm | 55% | 3.6 m/s | 7.1 |
| 2005 | 42.3°C | 33.5°C | 24.7°C | 46.0°C | 19.8°C | 1 mm | 21% | 3.4 m/s | 8.6 |
| 2004 | 41.8°C | 34.3°C | 26.7°C | 44.6°C | 22.2°C | 32 mm | 26% | 3.4 m/s | 7.8 |
| 2003 | 39.1°C | 32.0°C | 24.8°C | 44.9°C | 19.7°C | 202 mm | 33% | 4.1 m/s | 7.5 |
| 2002 | 40.4°C | 33.0°C | 25.7°C | 44.2°C | 23.1°C | 37 mm | 31% | 3.1 m/s | 7.8 |
| 2001 | 39.0°C | 32.3°C | 25.6°C | 45.0°C | 22.3°C | 99 mm | 42% | 3.5 m/s | 7.4 |
| 2000 | 34.3°C | 28.1°C | 21.9°C | 42.6°C | 18.2°C | 140 mm | 56% | 3.2 m/s | 7.1 |
| 1999 | 38.6°C | 31.8°C | 25.0°C | 43.3°C | 21.3°C | 80 mm | 47% | 2.5 m/s | 7.9 |
| 1998 | 42.0°C | 34.2°C | 26.4°C | 46.6°C | 21.4°C | 15 mm | 26% | 3.5 m/s | 7.7 |
| 1997 | 35.3°C | 28.8°C | 22.3°C | 42.4°C | 18.8°C | 171 mm | 48% | 3.8 m/s | 7.2 |
| 1996 | 41.7°C | 33.3°C | 24.8°C | 44.0°C | 20.8°C | 7 mm | 20% | 3.4 m/s | 8 |
| 1995 | 41.3°C | 33.2°C | 25.1°C | 44.6°C | 23.1°C | 15 mm | 26% | 3.3 m/s | 8.2 |
| 1994 | 42.3°C | 34.5°C | 26.7°C | 44.6°C | 23.4°C | 9 mm | 22% | 3.8 m/s | 8.2 |
| 1993 | 41.5°C | 33.6°C | 25.7°C | 45.8°C | 21.4°C | 38 mm | 24% | 3.6 m/s | 7.8 |
| 1992 | 39.0°C | 31.2°C | 23.4°C | 44.5°C | 19.8°C | 65 mm | 28% | 3.3 m/s | 8 |
| 1991 🔥 | 43.0°C | 35.2°C | 27.3°C | 46.5°C | 22.9°C | 19 mm | 22% | 3.5 m/s | 8.1 |
| 1990 | 38.9°C | 32.4°C | 25.9°C | 46.8°C | 19.4°C | 95 mm | 42% | 3.6 m/s | 7.3 |
| 1989 | 38.5°C | 31.1°C | 23.8°C | 42.6°C | 21.0°C | 40 mm | 32% | 3.1 m/s | 7.5 |
| 1988 | 42.0°C | 33.8°C | 25.5°C | 46.2°C | 21.6°C | 16 mm | 23% | 3.5 m/s | 7.7 |
| 1987 | 39.6°C | 32.5°C | 25.3°C | 44.2°C | 20.1°C | 83 mm | 34% | 3.6 m/s | 7.5 |
| 1986 | 38.8°C | 31.5°C | 24.2°C | 44.3°C | 19.0°C | 55 mm | 35% | 3.7 m/s | 8 |
| 1985 | 42.0°C | 33.9°C | 25.7°C | 45.3°C | 22.1°C | 27 mm | 22% | 3.4 m/s | 7.5 |
| 1984 | 39.5°C | 32.1°C | 24.7°C | 44.7°C | 21.7°C | 12 mm | 28% | 3.7 m/s | 7.8 |
| 1983 | 39.3°C | 31.4°C | 23.4°C | 44.1°C | 16.6°C | 38 mm | 25% | 3.6 m/s | — |
| 1982 | 38.8°C | 31.9°C | 24.9°C | 43.6°C | 21.9°C | 48 mm | 37% | 4.1 m/s | — |
| 1981 | 41.5°C | 34.3°C | 27.2°C | 45.7°C | 23.3°C | 30 mm | 26% | 3.8 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 39.6°C with lows near 25.1°C (mean 32.4°C), based on 45 years of NASA POWER data.
January averages 76 mm of rainfall in Newman, a relatively wet time of year. The wettest on record was 267 mm in 2012.
The hottest January reached 47.3°C in 2024. The coldest dipped to 15.5°C in 2018.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 0.6°C. Daytime highs moved from 40.2°C to 40.5°C and overnight lows from 25.2°C to 26°C over the same span.
January is one of the warmer months of the year in Newman and a relatively wet time of year, so plan for around 39.6°C daytime highs and 25.1°C at night.
Not quite — January is the 12th coolest month in Newman, averaging 32.4°C.
For January in Newman, pack light, breathable clothing and sun protection, with typical highs of 39.6°C and lows of 25.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 35% — relatively dry.
Average wind speed in January is 3.5 m/s. The windiest January on record averaged 4.1 m/s (1982).
The wettest January on record was 2012 with 267 mm. On average, January sees 76 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 Newman behaves each January, 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 January specifically, along with year-by-year records and how the month has changed over the decades.
