January is one of the warmer months of the year in Emerald, with average highs near 35.4°C and lows around 21.9°C (mean 28.7°C). It is a relatively wet time of year, averaging 90 mm of rainfall and 59% relative humidity across the period.
January is one of the warmer months of the year in Emerald. Across 45 years of records, the warmest January in Emerald was 1994 — when the month averaged 31.6°C — while the coldest was 2011 at 25.4°C. Typical January days reach 35.4°C with nights near 21.9°C. The long-term trend is warming, about 0.2°C per decade.
January is a relatively wet time of year in Emerald, averaging 90 mm of rainfall. The wettest January on record was 2016 with 265 mm, while the driest was 2019 at 4 mm.
Relative humidity in Emerald during January averages 59%. The most humid January was 1991 at 78%, and the least humid was 1994 at 44%.
January receives about 7 kWh/m²/day of solar energy in Emerald. The sunniest Januarys were 1988 and 1990 at 8.1 kWh/m²/day, and the cloudiest was 2008 at 5.8.
Average wind speed in Emerald during January is 3.2 m/s. The windiest January was 2019 at 4.2 m/s, while the calmest were 1987 and 2002 at 2.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.5°C | 28.7°C | 28.4°C | 28.5°C | 29.6°C | +1.1°C |
| Avg High | 35.3°C | 35.6°C | 35.1°C | 35.1°C | 36.4°C | +1.1°C |
| Avg Low | 21.7°C | 21.9°C | 21.8°C | 21.8°C | 22.8°C | +1.1°C |
| Avg Rain | 91 mm | 74 mm | 104 mm | 111 mm | 61 mm | -30 mm |
January temperatures in Emerald have risen by about 1.3°C between 1981–1985 and 2021–2025.
January has ranged from a record low of 15.8°C (2001) to a record high of 46.6°C (1994).
Rainfall in January is a relatively wet time of year, averaging 90 mm, with a wettest year of 265 mm.
A quieter season to visit Emerald
If your dates are flexible, the more temperate months of September and April tend to be the most comfortable for visiting Emerald. That said, January — with days averaging 35.4°C and nights around 21.9°C (mean 28.7°C) and higher rainfall (90 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 | 37.0°C | 29.6°C | 22.3°C | 43.1°C | 18.6°C | 67 mm | 56% | 3.1 m/s | 7.5 |
| 2024 | 36.8°C | 30.6°C | 24.3°C | 42.3°C | 21.1°C | 57 mm | 61% | 3.3 m/s | 6.5 |
| 2023 | 33.8°C | 27.6°C | 21.3°C | 40.1°C | 18.9°C | 145 mm | 65% | 3.1 m/s | 6.2 |
| 2022 | 37.9°C | 30.6°C | 23.3°C | 43.2°C | 19.7°C | 6 mm | 50% | 3.5 m/s | 7.4 |
| 2021 | 35.6°C | 28.7°C | 21.8°C | 38.8°C | 18.6°C | 44 mm | 57% | 3.4 m/s | 6.8 |
| 2020 | 37.4°C | 30.5°C | 23.7°C | 41.5°C | 20.6°C | 48 mm | 52% | 3.2 m/s | 6.6 |
| 2019 | 36.6°C | 29.2°C | 21.8°C | 39.0°C | 19.5°C | 4 mm | 52% | 4.2 m/s | 7.2 |
| 2018 | 37.7°C | 30.2°C | 22.7°C | 41.5°C | 19.4°C | 13 mm | 49% | 3.4 m/s | 7.5 |
| 2017 | 36.2°C | 29.3°C | 22.4°C | 41.1°C | 18.3°C | 75 mm | 60% | 3.3 m/s | 6.9 |
| 2016 🌧️ | 34.1°C | 27.5°C | 21.0°C | 39.1°C | 18.3°C | 265 mm | 65% | 2.7 m/s | 7.2 |
| 2015 | 34.2°C | 28.2°C | 22.3°C | 39.2°C | 19.0°C | 163 mm | 68% | 2.9 m/s | 6.7 |
| 2014 | 36.6°C | 29.3°C | 22.0°C | 45.3°C | 18.7°C | 95 mm | 55% | 3.9 m/s | 7 |
| 2013 | 37.2°C | 30.1°C | 23.0°C | 43.5°C | 20.2°C | 123 mm | 55% | 3.9 m/s | 7 |
| 2012 | 34.1°C | 28.0°C | 21.8°C | 40.4°C | 18.2°C | 177 mm | 63% | 2.9 m/s | 6.6 |
| 2011 ❄️ | 30.8°C | 25.4°C | 20.1°C | 33.8°C | 17.3°C | 55 mm | 77% | 2.7 m/s | 7.1 |
| 2010 | 33.9°C | 27.3°C | 20.7°C | 39.8°C | 16.3°C | 136 mm | 65% | 3.3 m/s | 6.4 |
| 2009 | 32.6°C | 27.0°C | 21.4°C | 37.7°C | 18.9°C | 115 mm | 69% | 3.2 m/s | 5.9 |
| 2008 | 31.9°C | 26.7°C | 21.4°C | 36.3°C | 19.7°C | 264 mm | 74% | 3.1 m/s | 5.8 |
| 2007 | 34.9°C | 28.4°C | 21.9°C | 38.4°C | 18.8°C | 94 mm | 62% | 3.3 m/s | 6.6 |
| 2006 | 37.1°C | 30.2°C | 23.3°C | 44.3°C | 21.1°C | 42 mm | 55% | 3.3 m/s | 6.9 |
| 2005 | 34.4°C | 27.6°C | 20.9°C | 40.3°C | 17.3°C | 109 mm | 62% | 3.1 m/s | 6.8 |
| 2004 | 34.9°C | 28.8°C | 22.7°C | 38.9°C | 17.5°C | 170 mm | 65% | 2.7 m/s | 7 |
| 2003 | 37.3°C | 29.6°C | 22.0°C | 42.6°C | 19.5°C | 6 mm | 46% | 3.3 m/s | 7.5 |
| 2002 | 36.2°C | 29.4°C | 22.6°C | 41.0°C | 18.5°C | 100 mm | 59% | 2.6 m/s | 7.1 |
| 2001 | 35.4°C | 27.9°C | 20.4°C | 42.9°C | 15.8°C | 53 mm | 59% | 3 m/s | 7.5 |
| 2000 | 36.1°C | 28.8°C | 21.4°C | 42.6°C | 17.8°C | 87 mm | 55% | 2.9 m/s | 7 |
| 1999 | 33.8°C | 27.7°C | 21.6°C | 39.3°C | 17.8°C | 114 mm | 68% | 2.8 m/s | 7.1 |
| 1998 | 37.0°C | 30.0°C | 23.0°C | 41.6°C | 18.9°C | 31 mm | 55% | 3.6 m/s | 7 |
| 1997 | 35.4°C | 28.3°C | 21.1°C | 39.9°C | 19.0°C | 52 mm | 52% | 3.7 m/s | 7 |
| 1996 | 33.0°C | 26.8°C | 20.7°C | 40.8°C | 16.3°C | 186 mm | 69% | 2.8 m/s | 6.7 |
| 1995 | 36.1°C | 29.0°C | 21.9°C | 42.5°C | 18.8°C | 80 mm | 55% | 3.3 m/s | 7.5 |
| 1994 🔥 | 39.3°C | 31.6°C | 23.9°C | 46.6°C | 20.4°C | 17 mm | 44% | 3.6 m/s | 7.6 |
| 1993 | 34.6°C | 27.8°C | 21.0°C | 38.8°C | 18.9°C | 70 mm | 60% | 3.3 m/s | 6.9 |
| 1992 | 37.7°C | 30.0°C | 22.3°C | 41.6°C | 18.5°C | 52 mm | 51% | 2.7 m/s | 7.6 |
| 1991 | 30.4°C | 25.6°C | 20.7°C | 35.1°C | 17.9°C | 122 mm | 78% | 3.1 m/s | 6.1 |
| 1990 | 38.5°C | 30.5°C | 22.4°C | 42.7°C | 18.8°C | 16 mm | 45% | 3.4 m/s | 8.1 |
| 1989 | 35.4°C | 28.2°C | 21.0°C | 39.3°C | 17.6°C | 90 mm | 59% | 2.9 m/s | 7.8 |
| 1988 | 37.0°C | 29.4°C | 21.8°C | 42.3°C | 18.7°C | 21 mm | 51% | 3.2 m/s | 8.1 |
| 1987 | 36.1°C | 29.7°C | 23.2°C | 43.5°C | 21.2°C | 131 mm | 60% | 2.6 m/s | 7 |
| 1986 | 36.2°C | 29.0°C | 21.7°C | 38.5°C | 19.1°C | 50 mm | 53% | 3.4 m/s | 7.7 |
| 1985 | 37.1°C | 29.6°C | 22.2°C | 42.0°C | 18.3°C | 36 mm | 50% | 2.8 m/s | 8 |
| 1984 | 33.2°C | 27.5°C | 21.9°C | 37.4°C | 18.3°C | 145 mm | 64% | 2.8 m/s | 6.1 |
| 1983 | 35.4°C | 28.0°C | 20.6°C | 41.6°C | 17.9°C | 118 mm | 59% | 3 m/s | — |
| 1982 | 36.2°C | 29.6°C | 23.0°C | 41.9°C | 20.3°C | 103 mm | 60% | 2.8 m/s | — |
| 1981 | 31.4°C | 25.6°C | 19.9°C | 39.4°C | 17.7°C | 125 mm | 71% | 3.1 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 35.4°C with lows near 21.9°C (mean 28.7°C), based on 45 years of NASA POWER data.
January averages 90 mm of rainfall in Emerald, a relatively wet time of year. The wettest on record was 265 mm in 2016.
The hottest January reached 46.6°C in 1994. The coldest dipped to 15.8°C in 2001.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 1.3°C. Daytime highs moved from 34.7°C to 36.2°C and overnight lows from 21.5°C to 22.6°C over the same span.
January is one of the warmer months of the year in Emerald and a relatively wet time of year, so plan for around 35.4°C daytime highs and 21.9°C at night.
Not quite — January is the 12th coolest month in Emerald, averaging 28.7°C.
For January in Emerald, pack light, breathable clothing and sun protection, with typical highs of 35.4°C and lows of 21.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 59% — moderately humid.
Average wind speed in January is 3.2 m/s. The windiest January on record averaged 4.2 m/s (2019).
The wettest January on record was 2016 with 265 mm. On average, January sees 90 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 Emerald 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.
