January is one of the cooler months of the year in Gainesville, with average highs near 18.7°C and lows around 6.8°C (mean 12.8°C). It is one of the drier months, averaging 84 mm of rainfall and 80% relative humidity across the period.
January is one of the cooler months of the year in Gainesville. Across 45 years of records, the warmest January in Gainesville was 2013 — when the month averaged 16.8°C — while the coldest was 1981 at 8.8°C. Typical January days reach 18.7°C with nights near 6.8°C. The long-term trend is warming, about 0.3°C per decade.
January is one of the drier months in Gainesville, averaging 84 mm of rainfall. The wettest January on record was 1994 with 217 mm, while the driest was 2013 at 15 mm.
Relative humidity in Gainesville during January averages 80%. The most humid January was 1998 at 89%, and the least humid was 1985 at 68%.
January receives about 3.3 kWh/m²/day of solar energy in Gainesville. The sunniest January was 2003 at 3.8 kWh/m²/day, and the cloudiest were 1988, 1991 and 1993 at 2.5.
Average wind speed in Gainesville during January is 1.2 m/s. The windiest Januarys were 2018, 2022 and 2024, among others at 1.3 m/s, while the calmest were 2012, 2015 and 2023, among others at 1.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.5°C | 13.6°C | 13.0°C | 12.5°C | 13.5°C | +2°C |
| Avg High | 17.5°C | 19.3°C | 19.1°C | 18.4°C | 19.6°C | +2.1°C |
| Avg Low | 5.5°C | 7.9°C | 6.9°C | 6.5°C | 7.3°C | +1.8°C |
| Avg Rain | 87 mm | 117 mm | 61 mm | 94 mm | 44 mm | -42 mm |
January temperatures in Gainesville have risen by about 2.4°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -10.3°C (1985) to a record high of 28.8°C (2023).
Rainfall in January is one of the drier months, averaging 84 mm, with a wettest year of 217 mm.
A quieter season to visit Gainesville
If your dates are flexible, the more temperate months of October and April tend to be the most comfortable for visiting Gainesville. That said, January — with days averaging 18.7°C and nights around 6.8°C (mean 12.8°C) and higher rainfall (84 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 | 17.3°C | 10.5°C | 3.7°C | 25.7°C | -3.9°C | 75 mm | 70% | 1.2 m/s | 3.4 |
| 2024 | 18.7°C | 13.0°C | 7.3°C | 26.6°C | -2.1°C | 72 mm | 84% | 1.3 m/s | 3 |
| 2023 | 22.2°C | 15.5°C | 8.8°C | 28.8°C | -2.0°C | 40 mm | 76% | 1.1 m/s | 3.6 |
| 2022 | 18.8°C | 12.8°C | 6.8°C | 27.2°C | -4.1°C | 30 mm | 78% | 1.3 m/s | 3.5 |
| 2021 | 20.2°C | 14.0°C | 7.8°C | 27.1°C | 0.1°C | 31 mm | 78% | 1.2 m/s | 3.1 |
| 2020 | 20.6°C | 15.0°C | 9.3°C | 27.2°C | -2.1°C | 17 mm | 80% | 1.2 m/s | 3.3 |
| 2019 | 18.2°C | 12.4°C | 6.7°C | 26.0°C | -0.3°C | 120 mm | 84% | 1.2 m/s | 3.5 |
| 2018 | 15.6°C | 9.6°C | 3.6°C | 24.3°C | -6.0°C | 120 mm | 82% | 1.3 m/s | 3.3 |
| 2017 | 22.5°C | 16.4°C | 10.2°C | 27.1°C | -3.4°C | 75 mm | 78% | 1.2 m/s | 3.5 |
| 2016 | 17.5°C | 11.9°C | 6.2°C | 25.3°C | -2.7°C | 100 mm | 79% | 1.2 m/s | 3 |
| 2015 | 18.6°C | 12.7°C | 6.9°C | 26.7°C | -3.8°C | 90 mm | 83% | 1.1 m/s | 3.3 |
| 2014 | 15.7°C | 10.2°C | 4.6°C | 25.6°C | -3.4°C | 121 mm | 82% | 1.3 m/s | 3 |
| 2013 🔥 | 22.8°C | 16.8°C | 10.8°C | 28.2°C | 1.7°C | 15 mm | 80% | 1.2 m/s | 3.3 |
| 2012 | 21.4°C | 14.7°C | 7.9°C | 26.8°C | -3.5°C | 30 mm | 72% | 1.1 m/s | 3.7 |
| 2011 | 17.1°C | 10.7°C | 4.3°C | 24.8°C | -4.9°C | 135 mm | 78% | 1.1 m/s | 3.4 |
| 2010 | 14.7°C | 9.1°C | 3.4°C | 24.7°C | -5.3°C | 130 mm | 80% | 1.3 m/s | 3.4 |
| 2009 | 18.8°C | 12.6°C | 6.4°C | 26.0°C | -4.2°C | 75 mm | 75% | 1.1 m/s | 3.4 |
| 2008 | 19.0°C | 13.0°C | 7.0°C | 25.9°C | -4.4°C | 83 mm | 79% | 1.2 m/s | 3.1 |
| 2007 | 19.9°C | 14.7°C | 9.4°C | 26.9°C | -1.1°C | 82 mm | 80% | 1.1 m/s | 3.1 |
| 2006 | 19.8°C | 14.2°C | 8.6°C | 25.2°C | 0.2°C | 49 mm | 82% | 1.2 m/s | 3.5 |
| 2005 | 19.8°C | 14.3°C | 8.8°C | 25.8°C | -4.6°C | 39 mm | 85% | 1.2 m/s | 3.2 |
| 2004 | 19.5°C | 13.0°C | 6.6°C | 27.1°C | -1.7°C | 56 mm | 73% | 1.1 m/s | 3.4 |
| 2003 | 15.4°C | 9.1°C | 2.9°C | 21.7°C | -6.6°C | 20 mm | 82% | 1.2 m/s | 3.8 |
| 2002 | 19.9°C | 13.9°C | 8.0°C | 28.3°C | -3.7°C | 94 mm | 80% | 1.1 m/s | 3.1 |
| 2001 | 18.3°C | 11.3°C | 4.4°C | 27.3°C | -4.4°C | 38 mm | 72% | 1.1 m/s | 3.5 |
| 2000 | 20.4°C | 13.8°C | 7.2°C | 26.6°C | -3.7°C | 71 mm | 74% | 1.2 m/s | 3.4 |
| 1999 | 21.0°C | 14.5°C | 8.1°C | 26.9°C | -5.6°C | 123 mm | 79% | 1.1 m/s | 3.6 |
| 1998 | 19.2°C | 13.9°C | 8.5°C | 25.5°C | -1.8°C | 118 mm | 89% | 1.2 m/s | 3.4 |
| 1997 | 19.3°C | 13.6°C | 7.8°C | 25.2°C | -4.6°C | 70 mm | 83% | 1.2 m/s | 3.3 |
| 1996 | 18.3°C | 11.7°C | 5.1°C | 26.0°C | -5.1°C | 63 mm | 82% | 1.3 m/s | 3.4 |
| 1995 | 17.2°C | 11.7°C | 6.3°C | 23.2°C | -1.1°C | 91 mm | 82% | 1.2 m/s | 3.1 |
| 1994 🌧️ | 17.5°C | 11.9°C | 6.4°C | 23.8°C | -2.4°C | 217 mm | 86% | 1.2 m/s | 3.1 |
| 1993 | 20.6°C | 16.1°C | 11.5°C | 26.1°C | 0.8°C | 117 mm | 89% | 1.1 m/s | 2.5 |
| 1992 | 17.9°C | 12.3°C | 6.7°C | 23.6°C | -3.5°C | 128 mm | 79% | 1.2 m/s | 3 |
| 1991 | 20.9°C | 15.5°C | 10.0°C | 27.0°C | 0.8°C | 187 mm | 84% | 1.2 m/s | 2.5 |
| 1990 | 21.1°C | 14.9°C | 8.8°C | 25.6°C | 0.0°C | 57 mm | 84% | 1.1 m/s | 3.6 |
| 1989 | 21.8°C | 15.9°C | 10.0°C | 25.3°C | 1.1°C | 38 mm | 82% | 1.1 m/s | 3.5 |
| 1988 | 16.5°C | 10.9°C | 5.4°C | 24.8°C | -3.8°C | 149 mm | 80% | 1.2 m/s | 2.5 |
| 1987 | 16.9°C | 11.3°C | 5.7°C | 25.2°C | -1.9°C | 131 mm | 86% | 1.3 m/s | 3 |
| 1986 | 17.1°C | 11.5°C | 5.9°C | 22.5°C | -6.6°C | 150 mm | 85% | 1.1 m/s | 3.2 |
| 1985 | 16.9°C | 10.3°C | 3.6°C | 26.6°C | -10.3°C | 51 mm | 68% | 1.3 m/s | 3.3 |
| 1984 | 16.6°C | 11.2°C | 5.8°C | 24.0°C | -4.2°C | 54 mm | 88% | 1.2 m/s | 3 |
| 1983 | 17.3°C | 11.4°C | 5.4°C | 23.4°C | -1.7°C | 89 mm | 82% | 1.1 m/s | — |
| 1982 | 18.7°C | 12.3°C | 6.0°C | 25.5°C | -6.2°C | 94 mm | 80% | 1.2 m/s | — |
| 1981 ❄️ | 15.7°C | 8.8°C | 1.9°C | 21.5°C | -6.3°C | 24 mm | 68% | 1.1 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 18.7°C with lows near 6.8°C (mean 12.8°C), based on 45 years of NASA POWER data.
January averages 84 mm of rainfall in Gainesville, one of the drier months. The wettest on record was 217 mm in 1994.
The hottest January reached 28.8°C in 2023. The coldest dipped to -10.3°C in 1985.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 2.4°C. Daytime highs moved from 17°C to 19.4°C and overnight lows from 4.5°C to 6.9°C over the same span.
January is one of the cooler months of the year in Gainesville and one of the drier months, so plan for around 18.7°C daytime highs and 6.8°C at night.
Yes — January is the coldest month of the year in Gainesville, averaging 12.8°C.
For January in Gainesville, pack warm layers and a jacket for chilly mornings, with typical highs of 18.7°C and lows of 6.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 80% — quite humid.
Average wind speed in January is 1.2 m/s. The windiest January on record averaged 1.3 m/s (1985).
The wettest January on record was 1994 with 217 mm. On average, January sees 84 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 Gainesville 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.
