January is one of the warmer months of the year in Penola, with average highs near 27.5°C and lows around 12.8°C (mean 20.2°C). It is one of the drier months, averaging 27 mm of rainfall and 58% relative humidity across the period.
January is one of the warmer months of the year in Penola. Across 45 years of records, the warmest January in Penola was 2022 — when the month averaged 23.2°C — while the coldest was 2004 at 16.7°C. Typical January days reach 27.5°C with nights near 12.8°C. The long-term trend is warming, about 0.5°C per decade.
January is one of the drier months in Penola, averaging 27 mm of rainfall. The wettest January on record was 2011 with 79 mm, while the driest was 2019 at 3 mm.
Relative humidity in Penola during January averages 58%. The most humid January was 2011 at 67%, and the least humid was 1981 at 51%.
January receives about 7.3 kWh/m²/day of solar energy in Penola. The sunniest January was 2009 at 8.2 kWh/m²/day, and the cloudiest was 2002 at 6.5.
Average wind speed in Penola during January is 2 m/s. The windiest Januarys were 1994, 1996 and 2012, among others at 2.2 m/s, while the calmest was 2011 at 1.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 19.5°C | 19.7°C | 19.9°C | 20.8°C | 21.0°C | +1.5°C |
| Avg High | 26.8°C | 26.9°C | 27.2°C | 28.3°C | 28.4°C | +1.6°C |
| Avg Low | 12.3°C | 12.4°C | 12.7°C | 13.2°C | 13.7°C | +1.4°C |
| Avg Rain | 21 mm | 28 mm | 21 mm | 29 mm | 41 mm | +20 mm |
January temperatures in Penola have risen by about 1.3°C between 1981–1985 and 2021–2025.
January has ranged from a record low of 6.5°C (1987) to a record high of 44.7°C (2019).
Rainfall in January is one of the drier months, averaging 27 mm, with a wettest year of 79 mm.
One of the best times to visit Penola
January is one of the best times to visit Penola. Expect days averaging 27.5°C and nights around 12.8°C (mean 20.2°C) — warmer than Penola's yearly average — with low rainfall (27 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 | 29.4°C | 21.9°C | 14.4°C | 37.9°C | 9.0°C | 11 mm | 53% | 1.8 m/s | 7.6 |
| 2024 | 28.0°C | 20.9°C | 13.8°C | 36.9°C | 11.0°C | 34 mm | 63% | 2 m/s | 7 |
| 2023 | 28.1°C | 20.5°C | 12.9°C | 38.8°C | 9.1°C | 25 mm | 58% | 1.9 m/s | 7.8 |
| 2022 🔥 | 30.7°C | 23.2°C | 15.7°C | 38.1°C | 10.7°C | 36 mm | 57% | 1.9 m/s | 6.8 |
| 2021 | 26.5°C | 19.5°C | 12.5°C | 39.8°C | 8.1°C | 71 mm | 62% | 1.9 m/s | 7.3 |
| 2020 | 27.6°C | 20.2°C | 12.9°C | 41.8°C | 8.4°C | 67 mm | 56% | 2 m/s | 6.9 |
| 2019 | 30.7°C | 22.3°C | 13.8°C | 44.7°C | 10.0°C | 3 mm | 53% | 1.9 m/s | 7.7 |
| 2018 | 29.9°C | 22.0°C | 14.0°C | 42.3°C | 9.6°C | 16 mm | 53% | 1.9 m/s | 7.5 |
| 2017 | 27.6°C | 20.2°C | 12.8°C | 39.5°C | 9.0°C | 21 mm | 58% | 1.8 m/s | 7.5 |
| 2016 | 28.6°C | 21.2°C | 13.7°C | 37.3°C | 9.9°C | 42 mm | 56% | 1.9 m/s | 7.2 |
| 2015 | 26.5°C | 19.7°C | 12.9°C | 41.2°C | 8.6°C | 64 mm | 60% | 2.1 m/s | 6.7 |
| 2014 | 29.3°C | 21.4°C | 13.5°C | 43.5°C | 8.5°C | 23 mm | 54% | 2 m/s | 7.7 |
| 2013 | 27.6°C | 20.2°C | 12.7°C | 42.5°C | 9.4°C | 17 mm | 54% | 1.9 m/s | 7.7 |
| 2012 | 29.0°C | 21.6°C | 14.2°C | 40.5°C | 9.8°C | 11 mm | 53% | 2.2 m/s | 7.6 |
| 2011 🌧️ | 26.1°C | 19.3°C | 12.5°C | 36.5°C | 7.7°C | 79 mm | 67% | 1.6 m/s | 7.2 |
| 2010 | 27.8°C | 20.1°C | 12.3°C | 41.7°C | 9.1°C | 15 mm | 54% | 1.8 m/s | 7.6 |
| 2009 | 28.1°C | 20.2°C | 12.2°C | 44.4°C | 6.7°C | 4 mm | 54% | 1.9 m/s | 8.2 |
| 2008 | 27.9°C | 20.3°C | 12.7°C | 40.3°C | 9.7°C | 8 mm | 58% | 2.1 m/s | 8 |
| 2007 | 28.0°C | 21.0°C | 14.0°C | 39.8°C | 8.9°C | 69 mm | 60% | 2.1 m/s | 7.2 |
| 2006 | 28.3°C | 20.7°C | 13.1°C | 40.0°C | 8.9°C | 39 mm | 59% | 1.9 m/s | 7.5 |
| 2005 | 26.7°C | 19.6°C | 12.4°C | 40.2°C | 8.7°C | 10 mm | 60% | 2 m/s | 7.3 |
| 2004 ❄️ | 22.5°C | 16.7°C | 10.9°C | 31.9°C | 7.6°C | 26 mm | 65% | 2 m/s | 6.8 |
| 2003 | 28.4°C | 20.6°C | 12.8°C | 42.7°C | 9.1°C | 25 mm | 53% | 2 m/s | 7.2 |
| 2002 | 24.8°C | 17.9°C | 11.0°C | 36.0°C | 8.2°C | 16 mm | 64% | 1.9 m/s | 6.5 |
| 2001 | 30.4°C | 22.3°C | 14.2°C | 40.1°C | 9.3°C | 9 mm | 55% | 1.8 m/s | 7.1 |
| 2000 | 26.9°C | 20.1°C | 13.4°C | 38.4°C | 8.8°C | 9 mm | 55% | 2.1 m/s | 7 |
| 1999 | 30.2°C | 21.9°C | 13.6°C | 40.6°C | 9.9°C | 5 mm | 56% | 2 m/s | 7.6 |
| 1998 | 27.6°C | 20.2°C | 12.8°C | 40.5°C | 9.2°C | 25 mm | 60% | 1.9 m/s | 7.2 |
| 1997 | 29.0°C | 20.9°C | 12.8°C | 40.3°C | 9.0°C | 31 mm | 54% | 2 m/s | 7.5 |
| 1996 | 26.4°C | 19.1°C | 11.8°C | 40.4°C | 8.2°C | 38 mm | 61% | 2.2 m/s | 7.4 |
| 1995 | 27.7°C | 20.2°C | 12.7°C | 37.9°C | 7.3°C | 47 mm | 58% | 1.9 m/s | 7.2 |
| 1994 | 24.3°C | 17.6°C | 11.0°C | 40.5°C | 6.7°C | 34 mm | 59% | 2.2 m/s | 7.4 |
| 1993 | 26.7°C | 19.7°C | 12.7°C | 38.5°C | 8.8°C | 35 mm | 63% | 1.7 m/s | 6.9 |
| 1992 | 23.7°C | 17.4°C | 11.2°C | 35.1°C | 7.5°C | 7 mm | 61% | 2.2 m/s | 7 |
| 1991 | 27.3°C | 20.3°C | 13.2°C | 42.0°C | 9.3°C | 39 mm | 60% | 2.1 m/s | 7.3 |
| 1990 | 26.4°C | 19.3°C | 12.1°C | 38.8°C | 8.0°C | 21 mm | 57% | 1.9 m/s | 7.4 |
| 1989 | 27.0°C | 19.9°C | 12.8°C | 38.6°C | 8.3°C | 21 mm | 55% | 2 m/s | 7.2 |
| 1988 | 28.0°C | 20.7°C | 13.4°C | 40.1°C | 9.9°C | 33 mm | 56% | 1.9 m/s | 7.3 |
| 1987 | 23.6°C | 17.1°C | 10.6°C | 34.2°C | 6.5°C | 7 mm | 59% | 2.2 m/s | 6.9 |
| 1986 | 25.6°C | 18.3°C | 11.0°C | 36.7°C | 8.3°C | 10 mm | 58% | 2 m/s | 7.7 |
| 1985 | 26.2°C | 19.0°C | 11.7°C | 39.1°C | 7.9°C | 9 mm | 58% | 2 m/s | 7.2 |
| 1984 | 25.0°C | 18.4°C | 11.8°C | 34.6°C | 8.7°C | 16 mm | 61% | 2 m/s | 6.9 |
| 1983 | 26.5°C | 18.7°C | 11.0°C | 42.3°C | 7.4°C | 23 mm | 53% | 2.1 m/s | — |
| 1982 | 28.5°C | 21.0°C | 13.6°C | 42.7°C | 9.2°C | 35 mm | 55% | 2 m/s | — |
| 1981 | 30.8°C | 22.6°C | 14.4°C | 42.4°C | 10.0°C | 32 mm | 51% | 2 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 27.5°C with lows near 12.8°C (mean 20.2°C), based on 45 years of NASA POWER data.
January averages 27 mm of rainfall in Penola, one of the drier months. The wettest on record was 79 mm in 2011.
The hottest January reached 44.7°C in 2019. The coldest dipped to 6.5°C in 1987.
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 27.4°C to 28.5°C and overnight lows from 12.5°C to 13.9°C over the same span.
January is one of the warmer months of the year in Penola and one of the drier months, so plan for around 27.5°C daytime highs and 12.8°C at night.
Not quite — January is the 11th coolest month in Penola, averaging 20.2°C.
For January in Penola, pack light layers you can adjust through the day, with typical highs of 27.5°C and lows of 12.8°C.
Relative humidity in January averages 58% — moderately humid.
Average wind speed in January is 2 m/s. The windiest January on record averaged 2.2 m/s (1987).
The wettest January on record was 2011 with 79 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 Penola 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.
