January is one of the cooler months of the year in Griffin, with average highs near 11.9°C and lows around 0.7°C (mean 6.3°C). It is about average for rainfall, averaging 111 mm of rainfall and 82% relative humidity across the period.
January is one of the cooler months of the year in Griffin. Across 45 years of records, the warmest January in Griffin was 2017 — when the month averaged 10.1°C — while the coldest was 2014 at 2.5°C. Typical January days reach 11.9°C with nights near 0.7°C. The long-term trend is warming, about 0.4°C per decade.
January is about average for rainfall in Griffin, averaging 111 mm of rainfall. The wettest January on record was 2017 with 232 mm, while the driest was 1981 at 26 mm.
Relative humidity in Griffin during January averages 82%. The most humid January was 1998 at 89%, and the least humid was 1981 at 70%.
January receives about 2.7 kWh/m²/day of solar energy in Griffin. The sunniest January was 2018 at 3.1 kWh/m²/day, and the cloudiest was 1991 at 2.
Average wind speed in Griffin during January is 0.1 m/s. The windiest Januarys were 2002, 2011 and 2025, among others at 0.2 m/s, while the calmest were 2022, 2023 and 2024, among others at 0.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 4.6°C | 6.9°C | 6.8°C | 6.2°C | 7.1°C | +2.5°C |
| Avg High | 10.1°C | 12.4°C | 12.6°C | 11.8°C | 12.8°C | +2.7°C |
| Avg Low | -0.9°C | 1.5°C | 1.0°C | 0.5°C | 1.3°C | +2.2°C |
| Avg Rain | 91 mm | 137 mm | 87 mm | 111 mm | 138 mm | +47 mm |
January temperatures in Griffin have risen by about 2.7°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -18.6°C (1985) to a record high of 25°C (2002).
Rainfall in January is about average for rainfall, averaging 111 mm, with a wettest year of 232 mm.
A quieter season to visit Griffin
If your dates are flexible, the more temperate months of May and September tend to be the most comfortable for visiting Griffin. That said, January — with days averaging 11.9°C and nights around 0.7°C (mean 6.3°C) and higher rainfall (111 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 9.9°C | 3.8°C | -2.2°C | 21.1°C | -10.8°C | 78 mm | 77% | 0.2 m/s | 2.9 |
| 2024 | 12.2°C | 6.3°C | 0.4°C | 23.3°C | -9.2°C | 180 mm | 80% | 0.1 m/s | 2.9 |
| 2023 | 15.7°C | 9.8°C | 3.9°C | 22.6°C | -5.4°C | 203 mm | 85% | 0.1 m/s | 2.6 |
| 2022 | 11.7°C | 5.9°C | 0.1°C | 24.7°C | -5.9°C | 87 mm | 79% | 0.1 m/s | 2.9 |
| 2021 | 13.0°C | 7.3°C | 1.6°C | 22.1°C | -3.8°C | 101 mm | 84% | 0.1 m/s | 2.5 |
| 2020 | 14.5°C | 9.3°C | 4.2°C | 23.4°C | -5.4°C | 178 mm | 85% | 0.1 m/s | 2.5 |
| 2019 | 12.9°C | 7.4°C | 1.8°C | 20.0°C | -5.7°C | 149 mm | 84% | 0.1 m/s | 2.6 |
| 2018 | 10.1°C | 4.2°C | -1.8°C | 19.5°C | -9.0°C | 77 mm | 74% | 0.1 m/s | 3.1 |
| 2017 🔥 🌧️ | 15.5°C | 10.1°C | 4.6°C | 23.2°C | -14.9°C | 232 mm | 87% | 0.1 m/s | 2.7 |
| 2016 | 10.1°C | 5.0°C | 0.0°C | 17.6°C | -5.9°C | 95 mm | 84% | 0.1 m/s | 2.7 |
| 2015 | 11.5°C | 5.7°C | 0.0°C | 18.7°C | -9.3°C | 74 mm | 81% | 0.1 m/s | 2.7 |
| 2014 ❄️ | 8.7°C | 2.5°C | -3.6°C | 19.1°C | -10.4°C | 76 mm | 77% | 0.1 m/s | 3 |
| 2013 | 15.5°C | 10.0°C | 4.4°C | 23.4°C | -3.1°C | 91 mm | 85% | 0.1 m/s | 2.3 |
| 2012 | 15.0°C | 8.8°C | 2.7°C | 21.3°C | -5.8°C | 99 mm | 82% | 0.1 m/s | 2.7 |
| 2011 | 9.7°C | 4.0°C | -1.7°C | 19.7°C | -7.8°C | 73 mm | 81% | 0.2 m/s | 2.7 |
| 2010 | 8.9°C | 3.8°C | -1.2°C | 19.7°C | -9.6°C | 147 mm | 82% | 0.1 m/s | 2.8 |
| 2009 | 12.6°C | 6.6°C | 0.7°C | 21.8°C | -7.8°C | 66 mm | 82% | 0.1 m/s | 2.7 |
| 2008 | 10.7°C | 5.3°C | 0.0°C | 22.4°C | -9.1°C | 107 mm | 81% | 0.1 m/s | 3 |
| 2007 | 13.2°C | 7.6°C | 2.0°C | 22.0°C | -7.3°C | 111 mm | 82% | 0.1 m/s | 2.7 |
| 2006 | 15.6°C | 9.8°C | 4.0°C | 22.4°C | -3.7°C | 87 mm | 83% | 0.1 m/s | 2.7 |
| 2005 | 14.2°C | 8.5°C | 2.8°C | 21.9°C | -6.9°C | 55 mm | 83% | 0.1 m/s | 2.8 |
| 2004 | 12.4°C | 6.1°C | -0.1°C | 22.1°C | -7.6°C | 86 mm | 79% | 0.1 m/s | 2.8 |
| 2003 | 9.9°C | 4.3°C | -1.3°C | 17.6°C | -9.0°C | 47 mm | 78% | 0.1 m/s | 3 |
| 2002 | 14.6°C | 8.2°C | 1.9°C | 25.0°C | -7.0°C | 99 mm | 81% | 0.2 m/s | 2.8 |
| 2001 | 10.8°C | 5.1°C | -0.7°C | 21.3°C | -8.2°C | 78 mm | 82% | 0.1 m/s | 2.8 |
| 2000 | 12.0°C | 6.4°C | 0.8°C | 22.3°C | -7.1°C | 131 mm | 79% | 0.1 m/s | 2.6 |
| 1999 | 14.7°C | 8.4°C | 2.1°C | 22.8°C | -7.4°C | 143 mm | 81% | 0.1 m/s | 2.6 |
| 1998 | 12.9°C | 8.0°C | 3.1°C | 20.7°C | -5.8°C | 142 mm | 89% | 0.1 m/s | 2.5 |
| 1997 | 12.4°C | 7.1°C | 1.8°C | 21.7°C | -8.5°C | 140 mm | 81% | 0.1 m/s | 2.5 |
| 1996 | 12.0°C | 5.6°C | -0.8°C | 21.9°C | -6.9°C | 147 mm | 85% | 0.1 m/s | 2.4 |
| 1995 | 12.5°C | 6.6°C | 0.6°C | 19.9°C | -6.8°C | 97 mm | 84% | 0.1 m/s | 2.6 |
| 1994 | 9.3°C | 3.9°C | -1.4°C | 18.6°C | -12.9°C | 109 mm | 81% | 0.1 m/s | 2.5 |
| 1993 | 12.8°C | 8.0°C | 3.1°C | 17.4°C | -3.4°C | 104 mm | 89% | 0.1 m/s | 2.1 |
| 1992 | 11.4°C | 6.3°C | 1.2°C | 18.8°C | -7.1°C | 143 mm | 86% | 0.1 m/s | 2.6 |
| 1991 | 11.6°C | 6.9°C | 2.2°C | 19.7°C | -5.8°C | 198 mm | 87% | 0.2 m/s | 2 |
| 1990 | 13.9°C | 8.3°C | 2.7°C | 21.0°C | -5.0°C | 143 mm | 87% | 0.1 m/s | 2.7 |
| 1989 | 14.6°C | 8.7°C | 2.9°C | 21.5°C | -4.0°C | 50 mm | 81% | 0.1 m/s | 2.7 |
| 1988 | 8.6°C | 3.7°C | -1.3°C | 20.3°C | -6.2°C | 139 mm | 83% | 0.1 m/s | 2.6 |
| 1987 | 9.7°C | 4.7°C | -0.2°C | 19.2°C | -6.6°C | 151 mm | 88% | 0.1 m/s | 2.5 |
| 1986 | 11.0°C | 4.8°C | -1.5°C | 19.6°C | -11.9°C | 33 mm | 80% | 0.1 m/s | 2.9 |
| 1985 | 8.7°C | 3.0°C | -2.6°C | 20.5°C | -18.6°C | 99 mm | 78% | 0.1 m/s | 2.6 |
| 1984 | 9.7°C | 4.3°C | -1.1°C | 16.3°C | -8.0°C | 114 mm | 86% | 0.1 m/s | 2.7 |
| 1983 | 9.2°C | 4.4°C | -0.4°C | 18.3°C | -5.7°C | 100 mm | 87% | 0.1 m/s | — |
| 1982 | 9.6°C | 4.0°C | -1.6°C | 20.6°C | -16.6°C | 111 mm | 85% | 0.1 m/s | — |
| 1981 | 9.9°C | 3.7°C | -2.6°C | 18.4°C | -9.5°C | 26 mm | 70% | 0.1 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 11.9°C with lows near 0.7°C (mean 6.3°C), based on 45 years of NASA POWER data.
January averages 111 mm of rainfall in Griffin, about average for rainfall. The wettest on record was 232 mm in 2017.
The hottest January reached 25°C in 2002. The coldest dipped to -18.6°C in 1985.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 2.7°C. Daytime highs moved from 9.4°C to 12.5°C and overnight lows from -1.7°C to 0.8°C over the same span.
January is one of the cooler months of the year in Griffin and about average for rainfall, so plan for around 11.9°C daytime highs and 0.7°C at night.
Yes — January is the coldest month of the year in Griffin, averaging 6.3°C.
For January in Griffin, pack warm layers and a jacket for chilly mornings, with typical highs of 11.9°C and lows of 0.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 82% — quite humid.
Average wind speed in January is 0.1 m/s. The windiest January on record averaged 0.2 m/s (1991).
The wettest January on record was 2017 with 232 mm. On average, January sees 111 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 Griffin 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.
