January is one of the warmer months of the year in Exmouth, with average highs near 34.2°C and lows around 25.2°C (mean 29.7°C). It is about average for rainfall, averaging 27 mm of rainfall and 61% relative humidity across the period.
January is one of the warmer months of the year in Exmouth. Across 45 years of records, the warmest January in Exmouth was 2025 — when the month averaged 31.9°C — while the coldest was 2016 at 27.4°C. Typical January days reach 34.2°C with nights near 25.2°C. The long-term January temperature trend is broadly flat.
January is about average for rainfall in Exmouth, averaging 27 mm of rainfall. The wettest January on record was 1990 with 155 mm, while the driest were 2007, 2022 and 2024, among others at 0 mm.
Relative humidity in Exmouth during January averages 61%. The most humid January was 2011 at 72%, and the least humid was 2003 at 51%.
January receives about 7.8 kWh/m²/day of solar energy in Exmouth. The sunniest Januarys were 1992 and 2007 at 8.3 kWh/m²/day, and the cloudiest was 2025 at 6.9.
Average wind speed in Exmouth during January is 5 m/s. The windiest January was 2007 at 6.3 m/s, while the calmest was 1997 at 4.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 29.7°C | 29.5°C | 29.5°C | 29.6°C | 30.2°C | +0.5°C |
| Avg High | 34.4°C | 34.2°C | 34.2°C | 33.6°C | 34.5°C | +0.1°C |
| Avg Low | 25.1°C | 24.8°C | 24.9°C | 25.7°C | 26.0°C | +0.9°C |
| Avg Rain | 15 mm | 27 mm | 29 mm | 39 mm | 22 mm | +7 mm |
January temperatures in Exmouth have stayed relatively stable across the record.
January has ranged from a record low of 20.4°C (1990) to a record high of 43.9°C (1981).
Rainfall in January is about average for rainfall, averaging 27 mm, with a wettest year of 155 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.3°C per decade, narrowing the gap between day and night.
A quieter season to visit Exmouth
If your dates are flexible, the more temperate months of September and August tend to be the most comfortable for visiting Exmouth. That said, January — with days averaging 34.2°C and nights around 25.2°C (mean 29.7°C) and low rainfall (27 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 🔥 | 35.4°C | 31.9°C | 28.3°C | 40.1°C | 26.6°C | 112 mm | 62% | 4.6 m/s | 6.9 |
| 2024 | 33.4°C | 28.7°C | 24.0°C | 41.5°C | 22.4°C | 0 mm | 64% | 6 m/s | 8 |
| 2023 | 33.5°C | 29.3°C | 25.1°C | 39.1°C | 23.2°C | 14 mm | 64% | 5.3 m/s | 8 |
| 2022 | 34.1°C | 29.7°C | 25.4°C | 40.6°C | 23.4°C | 0 mm | 63% | 5.2 m/s | 7.9 |
| 2021 | 35.8°C | 31.4°C | 27.0°C | 41.5°C | 22.7°C | 3 mm | 57% | 5.1 m/s | 8.1 |
| 2020 | 34.9°C | 30.4°C | 25.9°C | 39.5°C | 22.0°C | 2 mm | 60% | 5.3 m/s | 8 |
| 2019 | 34.9°C | 30.2°C | 25.5°C | 41.9°C | 21.8°C | 7 mm | 58% | 5.1 m/s | 8 |
| 2018 | 34.9°C | 30.6°C | 26.4°C | 39.3°C | 23.0°C | 18 mm | 61% | 4.8 m/s | 7.9 |
| 2017 | 33.2°C | 29.0°C | 24.8°C | 39.3°C | 22.4°C | 14 mm | 64% | 5.6 m/s | 7.6 |
| 2016 ❄️ | 31.0°C | 27.4°C | 23.8°C | 35.3°C | 22.1°C | 5 mm | 67% | 4.8 m/s | 7.3 |
| 2015 | 34.1°C | 29.8°C | 25.5°C | 42.0°C | 22.9°C | 7 mm | 64% | 5.1 m/s | 7.9 |
| 2014 | 35.2°C | 30.4°C | 25.7°C | 43.2°C | 22.2°C | 35 mm | 60% | 5.1 m/s | 7.9 |
| 2013 | 34.6°C | 31.0°C | 27.3°C | 40.5°C | 25.1°C | 66 mm | 65% | 4.8 m/s | 7.2 |
| 2012 | 31.9°C | 28.8°C | 25.6°C | 36.3°C | 22.3°C | 102 mm | 70% | 5 m/s | 7.5 |
| 2011 | 33.2°C | 30.4°C | 27.6°C | 37.8°C | 25.8°C | 113 mm | 72% | 4.4 m/s | 7.2 |
| 2010 | 32.9°C | 28.6°C | 24.3°C | 39.7°C | 22.0°C | 21 mm | 65% | 5.5 m/s | 8.1 |
| 2009 | 35.6°C | 30.8°C | 26.0°C | 41.4°C | 23.3°C | 106 mm | 61% | 4.7 m/s | 7.7 |
| 2008 | 35.2°C | 30.5°C | 25.8°C | 39.8°C | 22.9°C | 4 mm | 61% | 4.8 m/s | 8.1 |
| 2007 | 33.7°C | 28.6°C | 23.6°C | 39.0°C | 20.8°C | 0 mm | 59% | 6.3 m/s | 8.3 |
| 2006 | 31.7°C | 27.9°C | 24.1°C | 37.3°C | 21.1°C | 52 mm | 68% | 5.6 m/s | 7 |
| 2005 | 36.7°C | 31.1°C | 25.5°C | 42.2°C | 22.9°C | 0 mm | 55% | 4.8 m/s | 8.1 |
| 2004 | 34.0°C | 29.0°C | 24.0°C | 39.5°C | 21.7°C | 47 mm | 64% | 5.2 m/s | 7.8 |
| 2003 | 36.3°C | 31.0°C | 25.8°C | 42.4°C | 22.3°C | 0 mm | 51% | 4.9 m/s | 8 |
| 2002 | 32.7°C | 28.2°C | 23.6°C | 38.3°C | 21.6°C | 0 mm | 62% | 4.9 m/s | 8.2 |
| 2001 | 34.2°C | 29.7°C | 25.2°C | 40.1°C | 22.4°C | 66 mm | 62% | 4.4 m/s | 7.4 |
| 2000 | 32.1°C | 28.6°C | 25.1°C | 35.0°C | 22.6°C | 16 mm | 65% | 4.6 m/s | 7.9 |
| 1999 | 34.3°C | 29.9°C | 25.4°C | 39.9°C | 20.8°C | 15 mm | 61% | 5.1 m/s | 7.9 |
| 1998 | 35.1°C | 29.8°C | 24.5°C | 42.7°C | 21.9°C | 3 mm | 59% | 5.1 m/s | 8.1 |
| 1997 | 34.3°C | 30.7°C | 27.1°C | 40.2°C | 24.4°C | 63 mm | 65% | 4.1 m/s | 7.6 |
| 1996 | 34.0°C | 28.9°C | 23.8°C | 40.8°C | 21.4°C | 0 mm | 60% | 5.3 m/s | 8.1 |
| 1995 | 34.1°C | 29.4°C | 24.7°C | 41.5°C | 22.6°C | 5 mm | 61% | 5.3 m/s | 8 |
| 1994 | 35.4°C | 30.5°C | 25.5°C | 41.0°C | 23.2°C | 2 mm | 55% | 4.3 m/s | 8.2 |
| 1993 | 34.4°C | 29.6°C | 24.7°C | 39.0°C | 21.7°C | 21 mm | 60% | 4.5 m/s | 7.9 |
| 1992 | 32.6°C | 28.1°C | 23.7°C | 37.3°C | 20.6°C | 4 mm | 63% | 4.6 m/s | 8.3 |
| 1991 | 34.9°C | 29.4°C | 24.0°C | 41.5°C | 22.6°C | 3 mm | 59% | 5.9 m/s | 8.1 |
| 1990 🌧️ | 33.1°C | 29.0°C | 24.8°C | 37.9°C | 20.4°C | 155 mm | 66% | 5.3 m/s | 7.5 |
| 1989 | 34.0°C | 29.7°C | 25.3°C | 38.1°C | 21.5°C | 5 mm | 59% | 5 m/s | 8 |
| 1988 | 34.8°C | 29.7°C | 24.6°C | 39.3°C | 20.6°C | 1 mm | 56% | 4.8 m/s | 8.1 |
| 1987 | 33.3°C | 28.7°C | 24.0°C | 39.7°C | 21.5°C | 3 mm | 60% | 5.6 m/s | 7.8 |
| 1986 | 33.5°C | 29.4°C | 25.2°C | 38.4°C | 23.0°C | 8 mm | 63% | 4.2 m/s | 7.9 |
| 1985 | 35.4°C | 30.0°C | 24.6°C | 41.7°C | 20.5°C | 6 mm | 54% | 5.2 m/s | 8 |
| 1984 | 35.4°C | 30.5°C | 25.6°C | 39.5°C | 22.5°C | 2 mm | 57% | 4.7 m/s | 7.9 |
| 1983 | 34.6°C | 30.1°C | 25.5°C | 39.6°C | 22.8°C | 13 mm | 59% | 4.6 m/s | — |
| 1982 | 33.8°C | 29.4°C | 25.1°C | 39.2°C | 21.8°C | 85 mm | 62% | 5.1 m/s | — |
| 1981 | 34.6°C | 30.2°C | 25.8°C | 43.9°C | 23.6°C | 14 mm | 62% | 4.7 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 34.2°C with lows near 25.2°C (mean 29.7°C), based on 45 years of NASA POWER data.
January averages 27 mm of rainfall in Exmouth, about average for rainfall. The wettest on record was 155 mm in 1990.
The hottest January reached 43.9°C in 1981. The coldest dipped to 20.4°C in 1990.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 0.2°C — but days and nights have moved in opposite directions. Overnight lows rose from 25.3°C to 26°C while daytime highs eased from 34.8°C to 34.4°C, narrowing the gap between day and night.
January is one of the warmer months of the year in Exmouth and about average for rainfall, so plan for around 34.2°C daytime highs and 25.2°C at night.
Not quite — January is the 10th coolest month in Exmouth, averaging 29.7°C.
For January in Exmouth, pack light, breathable clothing and sun protection, with typical highs of 34.2°C and lows of 25.2°C.
Relative humidity in January averages 61% — moderately humid.
Average wind speed in January is 5 m/s. The windiest January on record averaged 6.3 m/s (2007).
The wettest January on record was 1990 with 155 mm. On average, January sees 27 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.
