March is one of the cooler months of the year in Norman, with average highs near 17.8°C and lows around 4.6°C (mean 11.2°C). It is about average for rainfall, averaging 74 mm of rainfall and 69% relative humidity across the period.
March is one of the cooler months of the year in Norman. Across 45 years of records, the warmest March in Norman was 2012 — when the month averaged 15.5°C — while the coldest was 1996 at 8.1°C. Typical March days reach 17.8°C with nights near 4.6°C. The long-term trend is warming, about 0.6°C per decade.
March is about average for rainfall in Norman, averaging 74 mm of rainfall. The wettest March on record was 1990 with 172 mm, while the driest was 2011 at 3 mm.
Relative humidity in Norman during March averages 69%. The most humid March was 1990 at 78%, and the least humid was 2022 at 55%.
March receives about 4.5 kWh/m²/day of solar energy in Norman. The sunniest March was 1986 at 5.2 kWh/m²/day, and the cloudiest was 1990 at 3.6.
Average wind speed in Norman during March is 3.8 m/s. The windiest March was 2009 at 4.5 m/s, while the calmest was 2001 at 2.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.5°C | 10.2°C | 11.4°C | 11.6°C | 12.6°C | +2.1°C |
| Avg High | 17.1°C | 16.8°C | 18.0°C | 18.2°C | 19.3°C | +2.2°C |
| Avg Low | 3.9°C | 3.6°C | 4.9°C | 5.1°C | 5.9°C | +2°C |
| Avg Rain | 89 mm | 85 mm | 69 mm | 52 mm | 78 mm | -10 mm |
March temperatures in Norman have risen by about 1.9°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -11.9°C (2014) to a record high of 32.6°C (2006).
Rainfall in March is about average for rainfall, averaging 74 mm, with a wettest year of 172 mm.
A good time to visit Norman
March is a good time to visit Norman, with days averaging 17.8°C and nights around 4.6°C (mean 11.2°C, cooler than Norman's yearly average) and moderate rainfall. September and May are marginally more temperate, but March still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 20.9°C | 13.8°C | 6.7°C | 29.4°C | -0.2°C | 63 mm | 59% | 4.3 m/s | 4.9 |
| 2024 | 20.0°C | 13.3°C | 6.6°C | 27.1°C | -0.3°C | 59 mm | 71% | 3.9 m/s | 4.6 |
| 2023 | 17.4°C | 10.8°C | 4.2°C | 27.4°C | -6.1°C | 79 mm | 68% | 3.9 m/s | 4.2 |
| 2022 | 18.8°C | 11.4°C | 3.9°C | 28.5°C | -5.2°C | 59 mm | 55% | 3.9 m/s | 4.9 |
| 2021 | 19.7°C | 13.0°C | 6.2°C | 25.9°C | -0.9°C | 54 mm | 66% | 4.1 m/s | 4.8 |
| 2020 | 19.3°C | 13.6°C | 8.0°C | 30.4°C | -0.6°C | 156 mm | 77% | 3.5 m/s | 4.1 |
| 2019 | 14.6°C | 8.8°C | 3.1°C | 21.9°C | -9.5°C | 67 mm | 72% | 3.5 m/s | 4.4 |
| 2018 | 18.7°C | 12.2°C | 5.6°C | 25.0°C | -2.8°C | 45 mm | 67% | 3.8 m/s | 4.8 |
| 2017 | 21.1°C | 14.4°C | 7.7°C | 30.5°C | -1.8°C | 58 mm | 66% | 4.3 m/s | 4.7 |
| 2016 | 19.0°C | 12.7°C | 6.4°C | 25.6°C | -2.4°C | 45 mm | 70% | 3.9 m/s | 5.1 |
| 2015 | 17.5°C | 11.4°C | 5.4°C | 28.4°C | -7.5°C | 63 mm | 73% | 2.8 m/s | 4.4 |
| 2014 | 16.0°C | 8.8°C | 1.7°C | 28.3°C | -11.9°C | 50 mm | 60% | 4.2 m/s | 4.7 |
| 2013 | 16.6°C | 9.7°C | 2.8°C | 27.2°C | -5.3°C | 24 mm | 62% | 3.8 m/s | 4.7 |
| 2012 🔥 | 21.7°C | 15.5°C | 9.3°C | 28.8°C | -0.8°C | 126 mm | 74% | 3.9 m/s | 4.6 |
| 2011 | 20.5°C | 13.0°C | 5.5°C | 30.8°C | -3.9°C | 3 mm | 60% | 4 m/s | 4.3 |
| 2010 | 16.0°C | 9.6°C | 3.3°C | 28.4°C | -3.8°C | 36 mm | 73% | 4.1 m/s | 4.3 |
| 2009 | 18.9°C | 12.3°C | 5.6°C | 29.2°C | -5.8°C | 49 mm | 62% | 4.5 m/s | 4.2 |
| 2008 | 17.8°C | 10.9°C | 4.0°C | 28.3°C | -7.7°C | 96 mm | 70% | 4.2 m/s | 4.7 |
| 2007 | 20.6°C | 14.9°C | 9.2°C | 26.1°C | -5.1°C | 145 mm | 73% | 3.6 m/s | 4.3 |
| 2006 | 20.0°C | 13.4°C | 6.8°C | 32.6°C | -4.9°C | 75 mm | 56% | 4.1 m/s | 4.3 |
| 2005 | 16.5°C | 10.1°C | 3.6°C | 25.4°C | -2.5°C | 13 mm | 71% | 3.7 m/s | 4.7 |
| 2004 | 19.5°C | 13.1°C | 6.8°C | 27.4°C | 0.9°C | 91 mm | 68% | 3.9 m/s | 4.4 |
| 2003 | 17.5°C | 10.1°C | 2.8°C | 26.1°C | -7.1°C | 47 mm | 70% | 3.4 m/s | 4.6 |
| 2002 | 15.7°C | 8.8°C | 2.0°C | 29.5°C | -10.6°C | 58 mm | 65% | 4.3 m/s | 4.6 |
| 2001 | 14.3°C | 8.4°C | 2.6°C | 22.4°C | -4.6°C | 24 mm | 77% | 2.7 m/s | 4 |
| 2000 | 18.9°C | 12.3°C | 5.6°C | 26.4°C | -2.4°C | 90 mm | 71% | 3.8 m/s | 4.2 |
| 1999 | 16.6°C | 10.0°C | 3.5°C | 24.9°C | -4.5°C | 105 mm | 73% | 3.9 m/s | 4.3 |
| 1998 | 14.2°C | 8.4°C | 2.7°C | 25.6°C | -8.0°C | 147 mm | 77% | 4.2 m/s | 4.1 |
| 1997 | 18.7°C | 11.3°C | 4.0°C | 28.3°C | -4.0°C | 16 mm | 69% | 3.8 m/s | 5 |
| 1996 ❄️ | 15.7°C | 8.1°C | 0.5°C | 28.1°C | -9.6°C | 62 mm | 57% | 4.4 m/s | 4.7 |
| 1995 | 16.8°C | 10.7°C | 4.6°C | 30.0°C | -9.3°C | 84 mm | 73% | 4 m/s | 4 |
| 1994 | 18.0°C | 10.9°C | 3.7°C | 28.9°C | -4.7°C | 77 mm | 69% | 3.7 m/s | 4.8 |
| 1993 | 14.6°C | 8.5°C | 2.4°C | 24.5°C | -6.3°C | 79 mm | 78% | 3.5 m/s | 4.1 |
| 1992 | 18.1°C | 11.6°C | 5.1°C | 24.2°C | -4.6°C | 57 mm | 76% | 3.8 m/s | 5 |
| 1991 | 19.0°C | 11.9°C | 4.8°C | 29.8°C | -3.0°C | 50 mm | 60% | 4.1 m/s | 4.7 |
| 1990 🌧️ | 16.5°C | 10.7°C | 5.0°C | 24.8°C | -4.8°C | 172 mm | 78% | 3.7 m/s | 3.6 |
| 1989 | 17.0°C | 10.2°C | 3.3°C | 26.8°C | -10.6°C | 54 mm | 72% | 4.2 m/s | 4.8 |
| 1988 | 16.1°C | 9.0°C | 1.8°C | 27.2°C | -5.7°C | 162 mm | 70% | 3.9 m/s | 4.4 |
| 1987 | 15.8°C | 9.3°C | 2.9°C | 22.8°C | -5.9°C | 68 mm | 73% | 3.4 m/s | 4.9 |
| 1986 | 19.9°C | 12.9°C | 5.9°C | 27.2°C | -3.7°C | 55 mm | 67% | 3.8 m/s | 5.2 |
| 1985 | 17.8°C | 11.9°C | 5.9°C | 26.5°C | -0.9°C | 157 mm | 78% | 3.8 m/s | 4 |
| 1984 | 15.6°C | 8.9°C | 2.1°C | 27.0°C | -4.0°C | 96 mm | 73% | 3.7 m/s | 4.2 |
| 1983 | 15.5°C | 9.4°C | 3.4°C | 24.8°C | -5.1°C | 79 mm | 75% | 3.7 m/s | — |
| 1982 | 17.7°C | 11.2°C | 4.7°C | 26.7°C | -5.4°C | 50 mm | 72% | 3.7 m/s | — |
| 1981 | 18.2°C | 11.4°C | 4.7°C | 27.3°C | -2.2°C | 75 mm | 62% | 3.6 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 17.8°C with lows near 4.6°C (mean 11.2°C), based on 45 years of NASA POWER data.
March averages 74 mm of rainfall in Norman, about average for rainfall. The wettest on record was 172 mm in 1990.
The hottest March reached 32.6°C in 2006. The coldest dipped to -11.9°C in 2014.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 1.9°C. Daytime highs moved from 17°C to 19.4°C and overnight lows from 4.2°C to 5.5°C over the same span.
March is one of the cooler months of the year in Norman and about average for rainfall, so plan for around 17.8°C daytime highs and 4.6°C at night.
Not quite — March is the 5th coolest month in Norman, averaging 11.2°C.
For March in Norman, pack warm layers and a jacket for chilly mornings, with typical highs of 17.8°C and lows of 4.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 69% — moderately humid.
Average wind speed in March is 3.8 m/s. The windiest March on record averaged 4.5 m/s (2009).
The wettest March on record was 1990 with 172 mm. On average, March sees 74 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 March, 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 March specifically, along with year-by-year records and how the month has changed over the decades.
