January is one of the warmer months of the year in Griffith, with average highs near 34.4°C and lows around 18.5°C (mean 26.5°C). It is about average for rainfall, averaging 38 mm of rainfall and 39% relative humidity across the period.
January is one of the warmer months of the year in Griffith. Across 45 years of records, the warmest January in Griffith was 2019 — when the month averaged 31.5°C — while the coldest was 1984 at 22.1°C. Typical January days reach 34.4°C with nights near 18.5°C. The long-term trend is warming, about 0.4°C per decade.
January is about average for rainfall in Griffith, averaging 38 mm of rainfall. The wettest January on record was 2022 with 177 mm, while the driest was 2003 at 2 mm.
Relative humidity in Griffith during January averages 39%. The most humid January was 2022 at 59%, and the least humid was 2013 at 28%.
January receives about 7.8 kWh/m²/day of solar energy in Griffith. The sunniest Januarys were 1986 and 2009 at 8.6 kWh/m²/day, and the cloudiest was 2016 at 6.8.
Average wind speed in Griffith during January is 3.3 m/s. The windiest Januarys were 1982, 1989 and 2012 at 3.7 m/s, while the calmest was 1993 at 2.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.6°C | 25.9°C | 26.9°C | 27.3°C | 26.4°C | +0.8°C |
| Avg High | 33.8°C | 33.6°C | 35.1°C | 35.2°C | 33.9°C | +0.1°C |
| Avg Low | 17.4°C | 18.3°C | 18.7°C | 19.3°C | 18.9°C | +1.5°C |
| Avg Rain | 30 mm | 45 mm | 20 mm | 36 mm | 75 mm | +46 mm |
January temperatures in Griffith have stayed relatively stable across the record.
January has ranged from a record low of 9.1°C (1992) to a record high of 47.5°C (2019).
Rainfall in January is about average for rainfall, averaging 38 mm, with a wettest year of 177 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.3°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
A good time to visit Griffith
January is a good time to visit Griffith, with days averaging 34.4°C and nights around 18.5°C (mean 26.5°C, warmer than Griffith's yearly average) and moderate rainfall. March and November are marginally more temperate, but January still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 35.6°C | 27.4°C | 19.3°C | 42.3°C | 14.1°C | 16 mm | 36% | 3.5 m/s | 7.8 |
| 2024 | 32.5°C | 25.6°C | 18.6°C | 39.9°C | 12.2°C | 102 mm | 56% | 3.2 m/s | 7.1 |
| 2023 | 34.1°C | 26.4°C | 18.8°C | 40.9°C | 12.1°C | 47 mm | 45% | 2.9 m/s | 7.5 |
| 2022 🌧️ | 32.4°C | 26.1°C | 19.7°C | 39.1°C | 13.2°C | 177 mm | 59% | 2.9 m/s | 7 |
| 2021 | 32.9°C | 25.4°C | 17.9°C | 42.1°C | 11.6°C | 88 mm | 43% | 3.5 m/s | 7.7 |
| 2020 | 36.0°C | 27.5°C | 19.0°C | 47.3°C | 13.0°C | 22 mm | 35% | 3.3 m/s | 7.7 |
| 2019 🔥 | 39.9°C | 31.5°C | 23.1°C | 47.5°C | 13.6°C | 16 mm | 31% | 3.1 m/s | 7.6 |
| 2018 | 36.5°C | 28.3°C | 20.1°C | 45.4°C | 11.1°C | 25 mm | 37% | 3.2 m/s | 7.7 |
| 2017 | 35.8°C | 27.5°C | 19.2°C | 43.8°C | 12.2°C | 18 mm | 38% | 3.3 m/s | 7.7 |
| 2016 | 32.9°C | 25.9°C | 18.9°C | 44.9°C | 13.2°C | 74 mm | 45% | 3.1 m/s | 6.8 |
| 2015 | 31.8°C | 24.9°C | 18.0°C | 41.2°C | 11.4°C | 77 mm | 51% | 3.3 m/s | 7.2 |
| 2014 | 35.3°C | 27.2°C | 19.0°C | 44.2°C | 10.6°C | 27 mm | 35% | 3.3 m/s | 8.1 |
| 2013 | 36.8°C | 28.0°C | 19.2°C | 46.3°C | 11.7°C | 10 mm | 28% | 3.3 m/s | 8.4 |
| 2012 | 32.9°C | 25.5°C | 18.2°C | 41.2°C | 9.5°C | 55 mm | 41% | 3.7 m/s | 7.6 |
| 2011 | 34.4°C | 26.5°C | 18.7°C | 41.0°C | 12.7°C | 53 mm | 50% | 3.2 m/s | 7.6 |
| 2010 | 35.7°C | 27.2°C | 18.7°C | 44.0°C | 10.5°C | 5 mm | 32% | 3.4 m/s | 8.5 |
| 2009 | 36.6°C | 27.7°C | 18.7°C | 43.8°C | 9.2°C | 13 mm | 29% | 3.2 m/s | 8.6 |
| 2008 | 34.8°C | 26.9°C | 19.0°C | 40.6°C | 15.0°C | 47 mm | 44% | 3.2 m/s | 7.8 |
| 2007 | 34.6°C | 26.9°C | 19.3°C | 43.4°C | 11.6°C | 17 mm | 35% | 3.6 m/s | 7.9 |
| 2006 | 37.9°C | 29.8°C | 21.7°C | 45.6°C | 15.4°C | 18 mm | 34% | 3.3 m/s | 7.9 |
| 2005 | 34.8°C | 26.8°C | 18.8°C | 43.7°C | 10.7°C | 16 mm | 35% | 3.5 m/s | 7.8 |
| 2004 | 33.5°C | 25.5°C | 17.5°C | 43.7°C | 11.1°C | 17 mm | 34% | 3.3 m/s | 8.3 |
| 2003 | 36.3°C | 27.3°C | 18.3°C | 43.8°C | 11.5°C | 2 mm | 29% | 3.6 m/s | 8.2 |
| 2002 | 33.8°C | 25.3°C | 16.9°C | 41.9°C | 11.4°C | 7 mm | 31% | 3.4 m/s | 8 |
| 2001 | 38.2°C | 29.8°C | 21.5°C | 46.1°C | 15.7°C | 36 mm | 31% | 3.4 m/s | 7.5 |
| 2000 | 30.3°C | 22.9°C | 15.4°C | 37.3°C | 9.9°C | 27 mm | 46% | 3.5 m/s | 8.1 |
| 1999 | 37.0°C | 29.4°C | 21.9°C | 43.6°C | 16.8°C | 52 mm | 39% | 3 m/s | 7.7 |
| 1998 | 34.0°C | 26.8°C | 19.6°C | 42.8°C | 14.4°C | 32 mm | 40% | 3.1 m/s | 7.2 |
| 1997 | 34.0°C | 26.2°C | 18.4°C | 39.5°C | 10.7°C | 35 mm | 37% | 3.5 m/s | 7.9 |
| 1996 | 32.2°C | 24.7°C | 17.2°C | 40.8°C | 10.5°C | 88 mm | 46% | 3 m/s | 7.7 |
| 1995 | 32.0°C | 25.0°C | 18.1°C | 38.3°C | 11.4°C | 110 mm | 51% | 3.3 m/s | 7.1 |
| 1994 | 33.1°C | 24.8°C | 16.4°C | 40.8°C | 10.0°C | 10 mm | 36% | 3.4 m/s | 8.2 |
| 1993 | 32.8°C | 25.3°C | 17.7°C | 39.4°C | 10.9°C | 40 mm | 55% | 2.8 m/s | 7.6 |
| 1992 | 31.0°C | 23.0°C | 15.0°C | 44.8°C | 9.1°C | 33 mm | 40% | 3.3 m/s | 8.2 |
| 1991 | 35.1°C | 27.3°C | 19.6°C | 42.1°C | 13.0°C | 27 mm | 37% | 3.4 m/s | 7.9 |
| 1990 | 35.0°C | 27.0°C | 18.9°C | 46.8°C | 10.4°C | 21 mm | 34% | 3.5 m/s | 7.7 |
| 1989 | 31.4°C | 23.4°C | 15.3°C | 37.3°C | 10.0°C | 15 mm | 44% | 3.7 m/s | 8.4 |
| 1988 | 36.8°C | 28.4°C | 20.1°C | 43.9°C | 12.3°C | 21 mm | 31% | 3.1 m/s | 8.3 |
| 1987 | 32.4°C | 24.5°C | 16.5°C | 41.3°C | 9.6°C | 4 mm | 30% | 3.1 m/s | 8 |
| 1986 | 32.2°C | 23.5°C | 14.7°C | 39.6°C | 11.0°C | 21 mm | 38% | 3.4 m/s | 8.6 |
| 1985 | 34.2°C | 25.5°C | 16.8°C | 43.2°C | 11.2°C | 9 mm | 28% | 3.5 m/s | 8.3 |
| 1984 ❄️ | 29.3°C | 22.1°C | 15.0°C | 36.5°C | 9.3°C | 157 mm | 55% | 3.5 m/s | 7.3 |
| 1983 | 33.6°C | 25.0°C | 16.4°C | 42.5°C | 10.5°C | 7 mm | 28% | 3.5 m/s | — |
| 1982 | 35.7°C | 27.7°C | 19.7°C | 46.0°C | 11.3°C | 22 mm | 34% | 3.7 m/s | — |
| 1981 | 38.5°C | 30.4°C | 22.2°C | 43.2°C | 16.4°C | 12 mm | 30% | 3.3 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 34.4°C with lows near 18.5°C (mean 26.5°C), based on 45 years of NASA POWER data.
January averages 38 mm of rainfall in Griffith, about average for rainfall. The wettest on record was 177 mm in 2022.
The hottest January reached 47.5°C in 2019. The coldest dipped to 9.1°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 0.1°C — but days and nights have moved in opposite directions. Overnight lows rose from 18°C to 18.9°C while daytime highs eased from 34.3°C to 33.5°C, narrowing the gap between day and night.
January is one of the warmer months of the year in Griffith and about average for rainfall, so plan for around 34.4°C daytime highs and 18.5°C at night.
Not quite — January is the 12th coolest month in Griffith, averaging 26.5°C.
For January in Griffith, pack light, breathable clothing and sun protection, with typical highs of 34.4°C and lows of 18.5°C.
Relative humidity in January averages 39% — relatively dry.
Average wind speed in January is 3.3 m/s. The windiest January on record averaged 3.7 m/s (1982).
The wettest January on record was 2022 with 177 mm. On average, January sees 38 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 Griffith 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.
