January is one of the cooler months of the year in Norman, with average highs near 9.3°C and lows around -2.2°C (mean 3.6°C). It is one of the drier months, averaging 38 mm of rainfall and 72% relative humidity across the period.
January is one of the cooler months of the year in Norman. Across 45 years of records, the warmest January in Norman was 2006 — when the month averaged 9°C — while the coldest were 1985 and 1988 at -0.9°C. Typical January days reach 9.3°C with nights near -2.2°C. The long-term trend is warming, about 0.4°C per decade.
January is one of the drier months in Norman, averaging 38 mm of rainfall. The wettest January on record was 1998 with 118 mm, while the driest was 1986 at 0 mm.
Relative humidity in Norman during January averages 72%. The most humid January was 1998 at 86%, and the least humid was 2006 at 51%.
January receives about 2.8 kWh/m²/day of solar energy in Norman. The sunniest January was 2012 at 3.3 kWh/m²/day, and the cloudiest was 1993 at 2.2.
Average wind speed in Norman during January is 3.4 m/s. The windiest January was 1996 at 4.3 m/s, while the calmest was 2001 at 2.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 2.3°C | 3.5°C | 4.2°C | 3.8°C | 4.0°C | +1.7°C |
| Avg High | 8.0°C | 8.9°C | 10.1°C | 9.7°C | 9.8°C | +1.8°C |
| Avg Low | -3.5°C | -2.0°C | -1.7°C | -2.0°C | -1.7°C | +1.8°C |
| Avg Rain | 38 mm | 45 mm | 35 mm | 29 mm | 43 mm | +6 mm |
January temperatures in Norman have risen by about 1.8°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -18.8°C (1988) to a record high of 24.7°C (2013).
Rainfall in January is one of the drier months, averaging 38 mm, with a wettest year of 118 mm.
A quieter season to visit Norman
If your dates are flexible, the more temperate months of September and May tend to be the most comfortable for visiting Norman. That said, January — with days averaging 9.3°C and nights around -2.2°C (mean 3.6°C) and moderate rainfall (38 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 | 7.8°C | 2.2°C | -3.4°C | 15.1°C | -13.0°C | 25 mm | 70% | 3.2 m/s | 2.9 |
| 2024 | 7.0°C | 1.7°C | -3.7°C | 21.2°C | -15.7°C | 63 mm | 73% | 3.3 m/s | 2.5 |
| 2023 | 12.4°C | 6.5°C | 0.7°C | 21.0°C | -6.4°C | 28 mm | 67% | 3.4 m/s | 2.8 |
| 2022 | 10.5°C | 3.6°C | -3.2°C | 20.4°C | -9.5°C | 16 mm | 57% | 3.5 m/s | 3.1 |
| 2021 | 9.3°C | 4.2°C | -0.9°C | 19.4°C | -5.5°C | 38 mm | 77% | 3.1 m/s | 2.6 |
| 2020 | 11.8°C | 6.0°C | 0.3°C | 20.5°C | -4.9°C | 90 mm | 78% | 3.5 m/s | 2.7 |
| 2019 | 8.5°C | 3.3°C | -1.9°C | 17.7°C | -6.4°C | 47 mm | 80% | 3.4 m/s | 2.4 |
| 2018 | 9.4°C | 3.3°C | -2.8°C | 20.0°C | -14.2°C | 5 mm | 61% | 3.9 m/s | 3.1 |
| 2017 | 12.0°C | 5.8°C | -0.3°C | 22.5°C | -11.7°C | 57 mm | 68% | 3.5 m/s | 2.8 |
| 2016 | 8.5°C | 3.0°C | -2.4°C | 19.6°C | -8.7°C | 9 mm | 80% | 3.1 m/s | 2.8 |
| 2015 | 9.1°C | 3.8°C | -1.5°C | 22.8°C | -9.7°C | 44 mm | 67% | 3 m/s | 2.7 |
| 2014 | 9.5°C | 3.1°C | -3.2°C | 21.1°C | -9.5°C | 3 mm | 57% | 4.1 m/s | 3.2 |
| 2013 | 11.3°C | 5.2°C | -0.8°C | 24.7°C | -6.7°C | 30 mm | 69% | 3.3 m/s | 2.7 |
| 2012 | 12.9°C | 6.3°C | -0.2°C | 20.0°C | -5.8°C | 48 mm | 66% | 3.7 m/s | 3.3 |
| 2011 | 8.8°C | 2.6°C | -3.6°C | 22.5°C | -9.1°C | 2 mm | 64% | 3 m/s | 3.1 |
| 2010 | 6.9°C | 1.7°C | -3.4°C | 18.9°C | -14.2°C | 45 mm | 82% | 3.2 m/s | 2.6 |
| 2009 | 9.8°C | 3.1°C | -3.5°C | 21.8°C | -13.1°C | 16 mm | 60% | 3.6 m/s | 3.1 |
| 2008 | 9.6°C | 4.0°C | -1.7°C | 21.4°C | -7.3°C | 7 mm | 71% | 3.9 m/s | 3 |
| 2007 | 6.4°C | 1.2°C | -4.1°C | 18.3°C | -15.5°C | 61 mm | 79% | 3 m/s | 2.4 |
| 2006 🔥 | 15.8°C | 9.0°C | 2.3°C | 23.0°C | -2.6°C | 13 mm | 51% | 3.8 m/s | 3.1 |
| 2005 | 9.5°C | 4.2°C | -1.1°C | 20.3°C | -12.2°C | 71 mm | 84% | 3.2 m/s | 2.3 |
| 2004 | 10.7°C | 5.0°C | -0.8°C | 22.8°C | -9.6°C | 43 mm | 71% | 3.4 m/s | 2.7 |
| 2003 | 9.0°C | 3.1°C | -2.8°C | 17.9°C | -9.1°C | 1 mm | 72% | 3.3 m/s | 2.9 |
| 2002 | 10.8°C | 4.8°C | -1.1°C | 20.7°C | -8.5°C | 53 mm | 67% | 3.5 m/s | 2.8 |
| 2001 | 7.9°C | 2.4°C | -3.0°C | 15.6°C | -11.4°C | 58 mm | 83% | 2.8 m/s | 2.7 |
| 2000 | 11.5°C | 5.3°C | -1.0°C | 20.9°C | -8.7°C | 30 mm | 70% | 3.2 m/s | 2.8 |
| 1999 | 10.3°C | 4.4°C | -1.5°C | 21.4°C | -10.9°C | 48 mm | 75% | 3.7 m/s | 2.5 |
| 1998 🌧️ | 9.7°C | 4.8°C | -0.1°C | 20.4°C | -6.4°C | 118 mm | 86% | 3.5 m/s | 2.3 |
| 1997 | 8.0°C | 2.7°C | -2.7°C | 22.4°C | -12.5°C | 7 mm | 72% | 3.6 m/s | 2.7 |
| 1996 | 8.4°C | 2.4°C | -3.6°C | 18.3°C | -11.0°C | 19 mm | 66% | 4.3 m/s | 2.9 |
| 1995 | 9.0°C | 3.6°C | -1.8°C | 18.3°C | -7.6°C | 43 mm | 77% | 3.2 m/s | 2.6 |
| 1994 | 8.4°C | 2.9°C | -2.5°C | 17.8°C | -10.3°C | 7 mm | 74% | 3.6 m/s | 2.8 |
| 1993 | 7.2°C | 2.2°C | -2.7°C | 15.4°C | -7.3°C | 52 mm | 83% | 2.9 m/s | 2.2 |
| 1992 | 9.3°C | 4.1°C | -1.1°C | 17.3°C | -8.6°C | 44 mm | 81% | 2.9 m/s | 2.7 |
| 1991 | 5.8°C | 0.8°C | -4.1°C | 11.2°C | -8.8°C | 40 mm | 81% | 2.9 m/s | 2.6 |
| 1990 | 13.3°C | 6.8°C | 0.3°C | 21.0°C | -4.7°C | 69 mm | 63% | 3.8 m/s | 3 |
| 1989 | 12.0°C | 6.0°C | 0.0°C | 21.2°C | -5.3°C | 43 mm | 71% | 3.3 m/s | 2.8 |
| 1988 | 4.7°C | -0.9°C | -6.5°C | 18.5°C | -18.8°C | 38 mm | 84% | 3.4 m/s | 3 |
| 1987 | 6.3°C | 1.2°C | -3.9°C | 14.8°C | -16.9°C | 71 mm | 85% | 3.2 m/s | 2.4 |
| 1986 | 11.6°C | 5.3°C | -1.1°C | 20.7°C | -7.7°C | 0 mm | 70% | 3.4 m/s | 3.2 |
| 1985 ❄️ | 4.2°C | -0.9°C | -6.1°C | 11.7°C | -15.3°C | 25 mm | 77% | 3.4 m/s | 2.7 |
| 1984 | 6.4°C | 0.8°C | -4.8°C | 17.3°C | -15.3°C | 9 mm | 79% | 3.1 m/s | 2.8 |
| 1983 | 8.2°C | 2.9°C | -2.4°C | 17.5°C | -6.3°C | 78 mm | 80% | 3.2 m/s | — |
| 1982 | 7.8°C | 1.7°C | -4.5°C | 19.6°C | -16.1°C | 66 mm | 70% | 4.1 m/s | — |
| 1981 | 10.7°C | 4.3°C | -2.0°C | 21.1°C | -6.6°C | 7 mm | 63% | 2.9 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 9.3°C with lows near -2.2°C (mean 3.6°C), based on 45 years of NASA POWER data.
January averages 38 mm of rainfall in Norman, one of the drier months. The wettest on record was 118 mm in 1998.
The hottest January reached 24.7°C in 2013. The coldest dipped to -18.8°C in 1988.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 1.8°C. Daytime highs moved from 7.5°C to 9.4°C and overnight lows from -4°C to -2.1°C over the same span.
January is one of the cooler months of the year in Norman and one of the drier months, so plan for around 9.3°C daytime highs and -2.2°C at night.
Yes — January is the coldest month of the year in Norman, averaging 3.6°C.
For January in Norman, pack warm layers and a jacket for chilly mornings, with typical highs of 9.3°C and lows of -2.2°C.
Relative humidity in January averages 72% — moderately humid.
Average wind speed in January is 3.4 m/s. The windiest January on record averaged 4.3 m/s (1996).
The wettest January on record was 1998 with 118 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 Norman 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.