January is one of the cooler months of the year in Winter Haven, with average highs near 21.5°C and lows around 9.5°C (mean 15.5°C). It is one of the drier months, averaging 61 mm of rainfall and 77% relative humidity across the period.
January is one of the cooler months of the year in Winter Haven. Across 45 years of records, the warmest January in Winter Haven was 2013 — when the month averaged 19.3°C — while the coldest was 2003 at 10.9°C. Typical January days reach 21.5°C with nights near 9.5°C. The long-term trend is warming, about 0.3°C per decade.
January is one of the drier months in Winter Haven, averaging 61 mm of rainfall. The wettest January on record was 2016 with 165 mm, while the driest was 2021 at 10 mm.
Relative humidity in Winter Haven during January averages 77%. The most humid January was 1998 at 89%, and the least humid was 1981 at 65%.
January receives about 3.4 kWh/m²/day of solar energy in Winter Haven. The sunniest January was 2003 at 4.1 kWh/m²/day, and the cloudiest was 1988 at 2.6.
Average wind speed in Winter Haven during January is 2.5 m/s. The windiest Januarys were 1994 and 2018 at 3 m/s, while the calmest were 2002 and 2012 at 2.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.3°C | 16.4°C | 15.5°C | 15.5°C | 16.1°C | +1.8°C |
| Avg High | 20.3°C | 21.9°C | 21.7°C | 21.7°C | 22.2°C | +1.9°C |
| Avg Low | 8.3°C | 10.9°C | 9.2°C | 9.3°C | 10.0°C | +1.7°C |
| Avg Rain | 60 mm | 84 mm | 44 mm | 71 mm | 34 mm | -25 mm |
January temperatures in Winter Haven have risen by about 2.3°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -6.7°C (1985) to a record high of 29.8°C (2017).
Rainfall in January is one of the drier months, averaging 61 mm, with a wettest year of 165 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.4°C per decade while lows rose 0.2°C per decade, widening the gap between day and night.
A good time to visit Winter Haven
January is a good time to visit Winter Haven, with days averaging 21.5°C and nights around 9.5°C (mean 15.5°C, cooler than Winter Haven's yearly average) and moderate rainfall. April and October 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 | 20.6°C | 14.0°C | 7.3°C | 29.1°C | 0.1°C | 40 mm | 69% | 2.8 m/s | 3.4 |
| 2024 | 21.3°C | 16.0°C | 10.7°C | 28.0°C | 0.9°C | 77 mm | 83% | 2.8 m/s | 3.1 |
| 2023 | 23.3°C | 17.1°C | 10.8°C | 28.7°C | -0.3°C | 32 mm | 79% | 2.2 m/s | 3.8 |
| 2022 | 21.8°C | 15.7°C | 9.7°C | 29.5°C | -2.2°C | 30 mm | 72% | 2.6 m/s | 3.5 |
| 2021 | 22.5°C | 16.2°C | 10.0°C | 28.6°C | 1.4°C | 10 mm | 75% | 2.3 m/s | 3.5 |
| 2020 | 23.5°C | 17.6°C | 11.7°C | 28.9°C | -0.8°C | 18 mm | 74% | 2.6 m/s | 3.4 |
| 2019 | 21.1°C | 15.0°C | 9.0°C | 27.5°C | 1.8°C | 89 mm | 78% | 2.6 m/s | 3.5 |
| 2018 | 20.2°C | 13.9°C | 7.6°C | 27.9°C | -3.9°C | 69 mm | 75% | 3 m/s | 3.3 |
| 2017 | 24.9°C | 18.6°C | 12.3°C | 29.8°C | -0.4°C | 41 mm | 72% | 2.6 m/s | 3.5 |
| 2016 🌧️ | 20.3°C | 14.8°C | 9.4°C | 29.2°C | -0.5°C | 165 mm | 77% | 2.5 m/s | 3.1 |
| 2015 | 21.5°C | 15.8°C | 10.1°C | 28.5°C | 0.1°C | 59 mm | 81% | 2.5 m/s | 3.4 |
| 2014 | 20.6°C | 14.5°C | 8.4°C | 28.3°C | 0.6°C | 76 mm | 74% | 2.7 m/s | 3.1 |
| 2013 🔥 | 25.4°C | 19.3°C | 13.2°C | 29.4°C | 4.8°C | 12 mm | 75% | 2.3 m/s | 3.3 |
| 2012 | 23.7°C | 16.8°C | 9.9°C | 29.0°C | -1.6°C | 13 mm | 68% | 2.1 m/s | 3.8 |
| 2011 | 21.2°C | 14.7°C | 8.2°C | 26.6°C | -2.6°C | 113 mm | 74% | 2.5 m/s | 3.5 |
| 2010 | 17.6°C | 11.4°C | 5.2°C | 26.3°C | -5.2°C | 69 mm | 77% | 2.7 m/s | 3.4 |
| 2009 | 22.3°C | 15.4°C | 8.5°C | 28.2°C | -2.5°C | 42 mm | 69% | 2.3 m/s | 3.7 |
| 2008 | 22.3°C | 16.3°C | 10.2°C | 27.7°C | -2.7°C | 79 mm | 75% | 2.6 m/s | 3.3 |
| 2007 | 23.4°C | 18.0°C | 12.5°C | 28.9°C | 1.4°C | 43 mm | 75% | 2.5 m/s | 3.1 |
| 2006 | 23.4°C | 17.0°C | 10.7°C | 28.5°C | 2.4°C | 16 mm | 73% | 2.7 m/s | 3.7 |
| 2005 | 21.9°C | 16.2°C | 10.5°C | 27.6°C | -1.7°C | 47 mm | 81% | 2.6 m/s | 3.4 |
| 2004 | 21.4°C | 15.0°C | 8.6°C | 27.4°C | 1.0°C | 74 mm | 77% | 2.3 m/s | 3.6 |
| 2003 ❄️ | 17.1°C | 10.9°C | 4.6°C | 22.9°C | -4.9°C | 25 mm | 84% | 2.4 m/s | 4.1 |
| 2002 | 22.4°C | 16.4°C | 10.5°C | 29.0°C | -1.3°C | 56 mm | 77% | 2.1 m/s | 3.3 |
| 2001 | 20.6°C | 13.4°C | 6.3°C | 29.7°C | -1.9°C | 24 mm | 66% | 2.5 m/s | 3.6 |
| 2000 | 22.5°C | 16.1°C | 9.7°C | 27.5°C | -2.0°C | 39 mm | 73% | 2.5 m/s | 3.5 |
| 1999 | 23.7°C | 17.3°C | 11.0°C | 28.0°C | -4.1°C | 82 mm | 76% | 2.5 m/s | 3.6 |
| 1998 | 20.7°C | 15.9°C | 11.2°C | 26.3°C | 1.0°C | 108 mm | 89% | 2.7 m/s | 3.2 |
| 1997 | 23.4°C | 17.3°C | 11.2°C | 28.5°C | -3.2°C | 44 mm | 72% | 2.4 m/s | 3.5 |
| 1996 | 20.0°C | 14.0°C | 8.1°C | 25.6°C | -4.2°C | 86 mm | 84% | 2.6 m/s | 3.5 |
| 1995 | 18.8°C | 13.5°C | 8.2°C | 24.6°C | 0.1°C | 71 mm | 85% | 2.4 m/s | 3.2 |
| 1994 | 21.4°C | 15.9°C | 10.5°C | 27.4°C | 2.6°C | 111 mm | 81% | 3 m/s | 3 |
| 1993 | 22.7°C | 18.4°C | 14.2°C | 26.8°C | 3.1°C | 142 mm | 88% | 2.4 m/s | 2.8 |
| 1992 | 20.9°C | 15.0°C | 9.1°C | 25.8°C | -1.5°C | 96 mm | 75% | 2.5 m/s | 3.2 |
| 1991 | 24.2°C | 18.8°C | 13.4°C | 28.9°C | 4.0°C | 83 mm | 78% | 2.7 m/s | 3 |
| 1990 | 23.6°C | 17.7°C | 11.8°C | 27.9°C | 1.8°C | 17 mm | 81% | 2.4 m/s | 3.4 |
| 1989 | 24.4°C | 18.6°C | 12.8°C | 27.4°C | 4.1°C | 74 mm | 80% | 2.2 m/s | 3.6 |
| 1988 | 19.3°C | 13.9°C | 8.5°C | 25.3°C | -2.5°C | 92 mm | 81% | 2.7 m/s | 2.6 |
| 1987 | 19.8°C | 14.2°C | 8.5°C | 27.3°C | 0.4°C | 68 mm | 81% | 2.7 m/s | 3.1 |
| 1986 | 20.3°C | 14.3°C | 8.4°C | 25.0°C | -6.0°C | 102 mm | 81% | 2.5 m/s | 3.2 |
| 1985 | 20.1°C | 13.2°C | 6.3°C | 29.0°C | -6.7°C | 34 mm | 66% | 2.8 m/s | 3.6 |
| 1984 | 18.9°C | 13.7°C | 8.5°C | 25.2°C | -2.4°C | 38 mm | 88% | 2.6 m/s | 3.1 |
| 1983 | 20.0°C | 14.1°C | 8.3°C | 26.6°C | 0.2°C | 66 mm | 78% | 2.2 m/s | — |
| 1982 | 21.9°C | 15.4°C | 8.9°C | 28.6°C | -5.3°C | 51 mm | 74% | 2.4 m/s | — |
| 1981 | 18.4°C | 11.3°C | 4.2°C | 24.0°C | -6.1°C | 13 mm | 65% | 2.4 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 21.5°C with lows near 9.5°C (mean 15.5°C), based on 45 years of NASA POWER data.
January averages 61 mm of rainfall in Winter Haven, one of the drier months. The wettest on record was 165 mm in 2016.
The hottest January reached 29.8°C in 2017. The coldest dipped to -6.7°C in 1985.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 2.3°C. Daytime highs moved from 19.9°C to 21.9°C and overnight lows from 7.2°C to 9.7°C over the same span.
January is one of the cooler months of the year in Winter Haven and one of the drier months, so plan for around 21.5°C daytime highs and 9.5°C at night.
Yes — January is the coldest month of the year in Winter Haven, averaging 15.5°C.
For January in Winter Haven, pack light layers you can adjust through the day, with typical highs of 21.5°C and lows of 9.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 77% — quite humid.
Average wind speed in January is 2.5 m/s. The windiest January on record averaged 3 m/s (1994).
The wettest January on record was 2016 with 165 mm. On average, January sees 61 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 Winter Haven 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.
