January is one of the cooler months of the year in Exmouth, with average highs near 8.6°C and lows around 5.8°C (mean 7.2°C). It is a relatively wet time of year, averaging 104 mm of rainfall and 88% relative humidity across the period.
January is one of the cooler months of the year in Exmouth. Across 45 years of records, the warmest Januarys in Exmouth were 1990 and 2007 — when the month averaged 9°C — while the coldest was 1987 at 3.2°C. Typical January days reach 8.6°C with nights near 5.8°C. The long-term trend is warming, about 0.2°C per decade.
January is a relatively wet time of year in Exmouth, averaging 104 mm of rainfall. The wettest January on record was 2016 with 215 mm, while the driest was 1997 at 22 mm.
Relative humidity in Exmouth during January averages 88%. The most humid January was 1997 at 91%, and the least humid was 1984 at 84%.
January receives about 0.8 kWh/m²/day of solar energy in Exmouth. The sunniest Januarys were 1985, 2000 and 2003 at 1 kWh/m²/day, and the cloudiest were 1995, 2002 and 2013, among others at 0.7.
Average wind speed in Exmouth during January is 6.2 m/s. The windiest January was 1984 at 7.8 m/s, while the calmest was 2022 at 4.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 6.5°C | 7.3°C | 7.6°C | 7.2°C | 7.5°C | +1°C |
| Avg High | 8.0°C | 8.7°C | 8.9°C | 8.6°C | 8.8°C | +0.8°C |
| Avg Low | 5.1°C | 5.9°C | 6.3°C | 5.9°C | 6.1°C | +1°C |
| Avg Rain | 98 mm | 103 mm | 89 mm | 114 mm | 120 mm | +22 mm |
January temperatures in Exmouth have risen by about 0.8°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -4.9°C (1987) to a record high of 13.1°C (2007).
Rainfall in January is a relatively wet time of year, averaging 104 mm, with a wettest year of 215 mm.
A quieter season to visit Exmouth
If your dates are flexible, the more temperate months of August and July tend to be the most comfortable for visiting Exmouth. That said, January — with days averaging 8.6°C and nights around 5.8°C (mean 7.2°C) and higher rainfall (104 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 | 8.8°C | 7.4°C | 6.0°C | 12.7°C | 2.1°C | 162 mm | 86% | 5.3 m/s | 0.9 |
| 2024 | 8.5°C | 7.2°C | 5.9°C | 12.9°C | 1.5°C | 106 mm | 86% | 6.1 m/s | 0.9 |
| 2023 | 8.9°C | 7.5°C | 6.1°C | 12.4°C | 2.9°C | 147 mm | 87% | 6.1 m/s | 0.9 |
| 2022 | 9.3°C | 7.8°C | 6.2°C | 12.7°C | 3.0°C | 53 mm | 87% | 4.6 m/s | 0.9 |
| 2021 | 7.7°C | 6.4°C | 5.1°C | 11.4°C | 1.9°C | 149 mm | 90% | 6 m/s | 0.8 |
| 2020 | 9.7°C | 8.4°C | 7.2°C | 12.7°C | 4.0°C | 106 mm | 89% | 5.8 m/s | 0.8 |
| 2019 | 8.1°C | 6.8°C | 5.6°C | 10.7°C | 2.8°C | 73 mm | 86% | 4.9 m/s | 0.9 |
| 2018 | 9.8°C | 8.2°C | 6.7°C | 12.9°C | 3.3°C | 124 mm | 88% | 6.9 m/s | 0.9 |
| 2017 | 8.7°C | 7.3°C | 6.0°C | 11.1°C | 3.2°C | 89 mm | 85% | 5.2 m/s | 0.9 |
| 2016 🌧️ | 9.7°C | 8.4°C | 7.1°C | 12.2°C | 4.1°C | 215 mm | 87% | 7 m/s | 0.8 |
| 2015 | 9.4°C | 7.6°C | 5.8°C | 12.7°C | 2.3°C | 147 mm | 85% | 6.6 m/s | 0.9 |
| 2014 | 9.8°C | 8.4°C | 6.9°C | 12.2°C | 4.0°C | 129 mm | 87% | 6.6 m/s | 0.8 |
| 2013 | 8.2°C | 7.1°C | 5.9°C | 11.7°C | 0.5°C | 121 mm | 88% | 5.6 m/s | 0.7 |
| 2012 | 9.5°C | 8.2°C | 6.9°C | 12.2°C | 2.5°C | 64 mm | 87% | 6.2 m/s | 0.9 |
| 2011 | 7.2°C | 5.9°C | 4.6°C | 11.0°C | 0.7°C | 96 mm | 90% | 5.5 m/s | 0.8 |
| 2010 | 5.7°C | 4.3°C | 3.0°C | 10.1°C | -0.2°C | 78 mm | 89% | 5.2 m/s | 0.9 |
| 2009 | 7.6°C | 6.4°C | 5.3°C | 10.4°C | -0.2°C | 118 mm | 87% | 5.9 m/s | 0.8 |
| 2008 | 10.2°C | 8.8°C | 7.4°C | 12.3°C | 4.7°C | 118 mm | 88% | 6.9 m/s | 0.8 |
| 2007 | 10.3°C | 9.0°C | 7.7°C | 13.1°C | 2.4°C | 93 mm | 87% | 7.4 m/s | 0.8 |
| 2006 | 7.9°C | 6.7°C | 5.5°C | 11.1°C | 1.5°C | 37 mm | 88% | 5.6 m/s | 0.9 |
| 2005 | 9.7°C | 8.3°C | 6.8°C | 12.4°C | 2.8°C | 60 mm | 88% | 7 m/s | 0.9 |
| 2004 | 9.3°C | 8.0°C | 6.7°C | 11.9°C | 1.5°C | 127 mm | 88% | 6.6 m/s | 0.8 |
| 2003 | 8.0°C | 6.7°C | 5.4°C | 12.3°C | 0.9°C | 95 mm | 88% | 6.8 m/s | 1 |
| 2002 | 9.7°C | 8.4°C | 7.2°C | 12.3°C | 3.7°C | 90 mm | 89% | 6.3 m/s | 0.7 |
| 2001 | 7.9°C | 6.8°C | 5.6°C | 11.6°C | 3.2°C | 120 mm | 88% | 6.1 m/s | 0.9 |
| 2000 | 8.4°C | 7.0°C | 5.6°C | 11.1°C | 2.8°C | 34 mm | 87% | 5.4 m/s | 1 |
| 1999 | 9.7°C | 8.2°C | 6.8°C | 12.4°C | 2.2°C | 102 mm | 88% | 6.6 m/s | 0.9 |
| 1998 | 9.2°C | 7.9°C | 6.6°C | 12.3°C | 2.6°C | 122 mm | 87% | 7.4 m/s | 0.8 |
| 1997 | 5.5°C | 4.4°C | 3.3°C | 8.6°C | -2.0°C | 22 mm | 91% | 5.1 m/s | 0.8 |
| 1996 | 8.8°C | 7.6°C | 6.5°C | 11.4°C | -1.2°C | 114 mm | 91% | 6.8 m/s | 0.8 |
| 1995 | 9.5°C | 7.8°C | 6.2°C | 11.8°C | 2.3°C | 166 mm | 88% | 7.4 m/s | 0.7 |
| 1994 | 9.0°C | 7.5°C | 6.1°C | 11.6°C | 2.6°C | 127 mm | 88% | 6.5 m/s | 0.9 |
| 1993 | 10.0°C | 8.4°C | 6.8°C | 12.2°C | 3.6°C | 104 mm | 89% | 6.8 m/s | 0.7 |
| 1992 | 7.4°C | 6.1°C | 4.8°C | 11.4°C | 1.7°C | 37 mm | 89% | 5 m/s | 0.9 |
| 1991 | 7.6°C | 6.2°C | 4.7°C | 12.0°C | 1.2°C | 103 mm | 85% | 6 m/s | 0.8 |
| 1990 🔥 | 10.3°C | 9.0°C | 7.6°C | 11.9°C | 5.0°C | 129 mm | 89% | 6.8 m/s | 0.8 |
| 1989 | 9.8°C | 8.3°C | 6.8°C | 12.2°C | 4.4°C | 45 mm | 86% | 5 m/s | 0.9 |
| 1988 | 9.4°C | 8.0°C | 6.5°C | 12.3°C | 4.1°C | 176 mm | 88% | 6.6 m/s | 0.9 |
| 1987 ❄️ | 4.5°C | 3.2°C | 1.9°C | 11.6°C | -4.9°C | 32 mm | 86% | 5.7 m/s | 0.8 |
| 1986 | 8.1°C | 6.6°C | 5.1°C | 11.5°C | 1.9°C | 130 mm | 86% | 6.9 m/s | 0.7 |
| 1985 | 5.4°C | 3.9°C | 2.4°C | 10.7°C | -1.7°C | 96 mm | 88% | 5.6 m/s | 1 |
| 1984 | 8.7°C | 7.0°C | 5.2°C | 12.5°C | 0.7°C | 166 mm | 84% | 7.8 m/s | 0.8 |
| 1983 | 9.6°C | 8.3°C | 6.9°C | 12.1°C | 3.4°C | 89 mm | 88% | 6.9 m/s | — |
| 1982 | 7.6°C | 6.3°C | 5.1°C | 11.1°C | -0.4°C | 104 mm | 91% | 5.9 m/s | — |
| 1981 | 8.7°C | 7.1°C | 5.6°C | 10.9°C | 1.7°C | 47 mm | 88% | 5.6 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 8.6°C with lows near 5.8°C (mean 7.2°C), based on 45 years of NASA POWER data.
January averages 104 mm of rainfall in Exmouth, a relatively wet time of year. The wettest on record was 215 mm in 2016.
The hottest January reached 13.1°C in 2007. The coldest dipped to -4.9°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 0.8°C. Daytime highs moved from 8°C to 8.6°C and overnight lows from 5°C to 5.9°C over the same span.
January is one of the cooler months of the year in Exmouth and a relatively wet time of year, so plan for around 8.6°C daytime highs and 5.8°C at night.
Not quite — January is the 2nd coolest month in Exmouth, averaging 7.2°C.
For January in Exmouth, pack warm layers and a jacket for chilly mornings, with typical highs of 8.6°C and lows of 5.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 88% — quite humid.
Average wind speed in January is 6.2 m/s. The windiest January on record averaged 7.8 m/s (1984).
The wettest January on record was 2016 with 215 mm. On average, January sees 104 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 Exmouth 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.
