January is one of the warmer months of the year in Nowra, with average highs near 26.7°C and lows around 18.1°C (mean 22.4°C). It is about average for rainfall, averaging 92 mm of rainfall and 70% relative humidity across the period.
January is one of the warmer months of the year in Nowra. Across 45 years of records, the warmest January in Nowra was 2019 — when the month averaged 24.8°C — while the coldest were 1989, 1992 and 2000 at 20.1°C. Typical January days reach 26.7°C with nights near 18.1°C. The long-term trend is warming, about 0.2°C per decade.
January is about average for rainfall in Nowra, averaging 92 mm of rainfall. The wettest January on record was 2016 with 249 mm, while the driest was 1994 at 21 mm.
Relative humidity in Nowra during January averages 70%. The most humid January was 2022 at 81%, and the least humid was 1994 at 61%.
January receives about 6.3 kWh/m²/day of solar energy in Nowra. The sunniest Januarys were 1994 and 2009 at 7.4 kWh/m²/day, and the cloudiest was 2024 at 5.1.
Average wind speed in Nowra during January is 1.6 m/s. The windiest January was 2003 at 1.9 m/s, while the calmest was 2019 at 1.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.0°C | 22.0°C | 22.6°C | 23.0°C | 22.3°C | +0.3°C |
| Avg High | 26.4°C | 26.2°C | 27.1°C | 27.5°C | 26.1°C | -0.3°C |
| Avg Low | 17.5°C | 17.8°C | 18.1°C | 18.5°C | 18.6°C | +1.1°C |
| Avg Rain | 93 mm | 98 mm | 70 mm | 93 mm | 115 mm | +22 mm |
January temperatures in Nowra have stayed relatively stable across the record.
January has ranged from a record low of 13.1°C (1990) to a record high of 40.1°C (2020).
Rainfall in January is about average for rainfall, averaging 92 mm, with a wettest year of 249 mm.
One of the best times to visit Nowra
January is one of the best times to visit Nowra. Expect days averaging 26.7°C and nights around 18.1°C (mean 22.4°C) — warmer than Nowra's yearly average — with higher rainfall (92 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 25.9°C | 22.2°C | 18.5°C | 35.5°C | 16.5°C | 158 mm | 74% | 1.7 m/s | 5.4 |
| 2024 | 26.1°C | 22.5°C | 19.0°C | 33.6°C | 16.3°C | 66 mm | 76% | 1.6 m/s | 5.1 |
| 2023 | 25.2°C | 21.6°C | 18.0°C | 32.2°C | 14.6°C | 136 mm | 75% | 1.7 m/s | 5.8 |
| 2022 | 24.9°C | 22.1°C | 19.4°C | 28.5°C | 17.4°C | 166 mm | 81% | 1.6 m/s | 5.4 |
| 2021 | 26.3°C | 22.1°C | 18.0°C | 36.5°C | 15.3°C | 110 mm | 69% | 1.6 m/s | 6.2 |
| 2020 | 27.9°C | 23.4°C | 18.9°C | 40.1°C | 15.7°C | 54 mm | 71% | 1.5 m/s | 5.9 |
| 2019 🔥 | 29.6°C | 24.8°C | 20.1°C | 36.4°C | 16.3°C | 76 mm | 73% | 1.3 m/s | 6.4 |
| 2018 | 28.6°C | 23.6°C | 18.6°C | 36.4°C | 13.1°C | 61 mm | 66% | 1.6 m/s | 6.5 |
| 2017 | 29.3°C | 24.2°C | 19.2°C | 38.6°C | 16.9°C | 29 mm | 67% | 1.5 m/s | 6.4 |
| 2016 🌧️ | 25.6°C | 21.8°C | 18.1°C | 35.5°C | 13.1°C | 249 mm | 75% | 1.5 m/s | 5.6 |
| 2015 | 25.9°C | 22.2°C | 18.4°C | 34.1°C | 13.8°C | 159 mm | 75% | 1.6 m/s | 6.2 |
| 2014 | 27.4°C | 22.5°C | 17.7°C | 34.7°C | 14.4°C | 23 mm | 64% | 1.6 m/s | 6.8 |
| 2013 | 27.8°C | 23.0°C | 18.2°C | 39.8°C | 15.0°C | 156 mm | 68% | 1.6 m/s | 6.5 |
| 2012 | 25.5°C | 21.6°C | 17.6°C | 32.2°C | 13.2°C | 54 mm | 70% | 1.6 m/s | 6.2 |
| 2011 | 27.2°C | 23.1°C | 19.0°C | 36.8°C | 15.6°C | 72 mm | 73% | 1.5 m/s | 5.9 |
| 2010 | 27.9°C | 22.9°C | 17.9°C | 37.0°C | 14.1°C | 54 mm | 69% | 1.5 m/s | 6.2 |
| 2009 | 28.7°C | 23.3°C | 17.9°C | 36.8°C | 15.0°C | 27 mm | 62% | 1.5 m/s | 7.4 |
| 2008 | 26.6°C | 22.5°C | 18.5°C | 35.2°C | 14.8°C | 90 mm | 71% | 1.7 m/s | 6.2 |
| 2007 | 27.5°C | 22.7°C | 18.0°C | 35.9°C | 14.7°C | 24 mm | 65% | 1.7 m/s | 7.2 |
| 2006 | 27.8°C | 23.3°C | 18.8°C | 39.0°C | 16.2°C | 95 mm | 73% | 1.6 m/s | 5.8 |
| 2005 | 27.1°C | 22.5°C | 17.9°C | 38.4°C | 14.8°C | 89 mm | 68% | 1.5 m/s | 6.7 |
| 2004 | 27.5°C | 22.8°C | 18.1°C | 33.5°C | 14.7°C | 75 mm | 66% | 1.5 m/s | 6.6 |
| 2003 | 27.5°C | 23.0°C | 18.5°C | 38.7°C | 15.3°C | 49 mm | 66% | 1.9 m/s | 6.5 |
| 2002 | 25.7°C | 21.8°C | 17.9°C | 31.7°C | 14.4°C | 106 mm | 68% | 1.8 m/s | 6.7 |
| 2001 | 28.5°C | 23.8°C | 19.2°C | 39.6°C | 15.6°C | 92 mm | 68% | 1.6 m/s | 5.8 |
| 2000 | 24.0°C | 20.1°C | 16.3°C | 36.0°C | 13.9°C | 52 mm | 70% | 1.8 m/s | 6.2 |
| 1999 | 27.0°C | 23.2°C | 19.4°C | 35.3°C | 17.0°C | 155 mm | 74% | 1.8 m/s | 6.1 |
| 1998 | 27.8°C | 23.3°C | 18.8°C | 36.1°C | 16.1°C | 87 mm | 70% | 1.6 m/s | 5.9 |
| 1997 | 24.1°C | 20.4°C | 16.6°C | 32.0°C | 13.3°C | 126 mm | 71% | 1.7 m/s | 6.2 |
| 1996 | 25.4°C | 21.5°C | 17.6°C | 35.4°C | 14.3°C | 114 mm | 75% | 1.6 m/s | 5.3 |
| 1995 | 24.3°C | 21.0°C | 17.6°C | 33.0°C | 14.9°C | 141 mm | 72% | 1.7 m/s | 5.6 |
| 1994 | 28.2°C | 23.1°C | 18.1°C | 34.2°C | 15.4°C | 21 mm | 61% | 1.7 m/s | 7.4 |
| 1993 | 27.1°C | 22.5°C | 17.8°C | 36.0°C | 14.9°C | 91 mm | 73% | 1.4 m/s | 5.9 |
| 1992 | 24.1°C | 20.1°C | 16.0°C | 33.4°C | 13.7°C | 108 mm | 75% | 1.5 m/s | 6.4 |
| 1991 | 28.9°C | 24.1°C | 19.3°C | 35.1°C | 16.0°C | 65 mm | 66% | 1.4 m/s | 6.5 |
| 1990 | 25.3°C | 20.9°C | 16.5°C | 37.1°C | 13.1°C | 67 mm | 71% | 1.6 m/s | 5.8 |
| 1989 ❄️ | 23.0°C | 20.1°C | 17.2°C | 30.4°C | 15.6°C | 153 mm | 74% | 1.7 m/s | 6.2 |
| 1988 | 27.6°C | 23.1°C | 18.6°C | 34.2°C | 15.5°C | 63 mm | 69% | 1.6 m/s | 7 |
| 1987 | 27.8°C | 22.8°C | 17.7°C | 34.5°C | 13.2°C | 55 mm | 65% | 1.4 m/s | 7 |
| 1986 | 24.8°C | 20.7°C | 16.6°C | 34.0°C | 14.3°C | 154 mm | 68% | 1.8 m/s | 6.5 |
| 1985 | 27.4°C | 22.0°C | 16.6°C | 35.5°C | 13.9°C | 22 mm | 61% | 1.5 m/s | 7.3 |
| 1984 | 24.8°C | 20.8°C | 16.8°C | 34.2°C | 13.4°C | 195 mm | 69% | 1.6 m/s | 6.1 |
| 1983 | 27.3°C | 22.2°C | 17.2°C | 36.7°C | 13.8°C | 40 mm | 62% | 1.5 m/s | — |
| 1982 | 27.1°C | 22.6°C | 18.2°C | 37.2°C | 15.5°C | 77 mm | 70% | 1.6 m/s | — |
| 1981 | 27.9°C | 23.4°C | 19.0°C | 35.5°C | 15.8°C | 75 mm | 70% | 1.6 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 26.7°C with lows near 18.1°C (mean 22.4°C), based on 45 years of NASA POWER data.
January averages 92 mm of rainfall in Nowra, about average for rainfall. The wettest on record was 249 mm in 2016.
The hottest January reached 40.1°C in 2020. The coldest dipped to 13.1°C in 1990.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have fallen by about 0.1°C — but days and nights have moved in opposite directions. Overnight lows rose from 17.6°C to 18.6°C while daytime highs eased from 26.9°C to 25.7°C, narrowing the gap between day and night.
January is one of the warmer months of the year in Nowra and about average for rainfall, so plan for around 26.7°C daytime highs and 18.1°C at night.
Not quite — January is the 12th coolest month in Nowra, averaging 22.4°C.
For January in Nowra, pack light layers you can adjust through the day, with typical highs of 26.7°C and lows of 18.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 70% — moderately humid.
Average wind speed in January is 1.6 m/s. The windiest January on record averaged 1.9 m/s (2003).
The wettest January on record was 2016 with 249 mm. On average, January sees 92 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 Nowra 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.
