March is one of the cooler months of the year in Stillwater, with average highs near 17°C and lows around 3.8°C (mean 10.4°C). It is about average for rainfall, averaging 75 mm of rainfall and 70% relative humidity across the period.
March is one of the cooler months of the year in Stillwater. Across 45 years of records, the warmest March in Stillwater was 2012 — when the month averaged 15.6°C — while the coldest were 1996 and 1998 at 7.1°C. Typical March days reach 17°C with nights near 3.8°C. The long-term trend is warming, about 0.5°C per decade.
March is about average for rainfall in Stillwater, averaging 75 mm of rainfall. The wettest March on record was 1990 with 189 mm, while the driest was 2011 at 20 mm.
Relative humidity in Stillwater during March averages 70%. The most humid March was 1993 at 80%, and the least humid was 2006 at 57%.
March receives about 4.4 kWh/m²/day of solar energy in Stillwater. The sunniest Marchs were 1986, 1989 and 1997 at 5.1 kWh/m²/day, and the cloudiest was 1990 at 3.6.
Average wind speed in Stillwater during March is 3.8 m/s. The windiest Marchs were 1996 and 2009 at 4.4 m/s, while the calmest was 2001 at 2.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.7°C | 9.5°C | 10.6°C | 10.8°C | 11.9°C | +2.2°C |
| Avg High | 16.3°C | 16.0°C | 17.1°C | 17.5°C | 18.8°C | +2.5°C |
| Avg Low | 3.2°C | 2.9°C | 4.1°C | 4.2°C | 5.1°C | +1.9°C |
| Avg Rain | 91 mm | 83 mm | 80 mm | 53 mm | 69 mm | -22 mm |
March temperatures in Stillwater have risen by about 2°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -14.8°C (2014) to a record high of 31.7°C (2017).
Rainfall in March is about average for rainfall, averaging 75 mm, with a wettest year of 189 mm.
A good time to visit Stillwater
March is a good time to visit Stillwater, with days averaging 17°C and nights around 3.8°C (mean 10.4°C, cooler than Stillwater'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 | 20.7°C | 13.3°C | 6.0°C | 28.7°C | -1.5°C | 44 mm | 58% | 4.3 m/s | 5 |
| 2024 | 19.8°C | 12.9°C | 5.9°C | 26.9°C | -2.2°C | 32 mm | 69% | 3.9 m/s | 4.7 |
| 2023 | 16.8°C | 10.0°C | 3.3°C | 25.2°C | -6.2°C | 53 mm | 67% | 4 m/s | 4.4 |
| 2022 | 18.0°C | 10.6°C | 3.1°C | 27.3°C | -6.5°C | 70 mm | 59% | 3.9 m/s | 4.7 |
| 2021 | 19.1°C | 12.2°C | 5.3°C | 25.5°C | -2.9°C | 80 mm | 70% | 4 m/s | 4.6 |
| 2020 | 18.3°C | 12.6°C | 6.9°C | 29.8°C | -1.9°C | 134 mm | 77% | 3.4 m/s | 4.1 |
| 2019 | 14.1°C | 8.1°C | 2.2°C | 23.3°C | -10.8°C | 59 mm | 72% | 3.5 m/s | 4.4 |
| 2018 | 17.9°C | 10.9°C | 4.0°C | 24.1°C | -3.3°C | 33 mm | 67% | 3.8 m/s | 4.8 |
| 2017 | 20.2°C | 13.2°C | 6.3°C | 31.7°C | -3.1°C | 68 mm | 66% | 4.3 m/s | 4.5 |
| 2016 | 19.0°C | 12.4°C | 5.9°C | 25.8°C | -2.3°C | 54 mm | 69% | 4 m/s | 4.9 |
| 2015 | 17.7°C | 11.3°C | 5.0°C | 28.0°C | -6.6°C | 54 mm | 71% | 2.8 m/s | 4.5 |
| 2014 | 15.3°C | 7.9°C | 0.5°C | 27.2°C | -14.8°C | 43 mm | 62% | 4.2 m/s | 4.8 |
| 2013 | 15.1°C | 8.4°C | 1.7°C | 27.2°C | -5.7°C | 21 mm | 64% | 3.7 m/s | 4.5 |
| 2012 🔥 | 21.8°C | 15.6°C | 9.3°C | 29.0°C | -1.5°C | 123 mm | 73% | 3.9 m/s | 4.7 |
| 2011 | 18.5°C | 11.4°C | 4.4°C | 29.9°C | -3.9°C | 20 mm | 66% | 3.8 m/s | 4.1 |
| 2010 | 15.5°C | 9.2°C | 2.9°C | 27.9°C | -4.7°C | 50 mm | 75% | 4 m/s | 4 |
| 2009 | 17.4°C | 11.0°C | 4.5°C | 28.4°C | -6.2°C | 90 mm | 67% | 4.4 m/s | 4.2 |
| 2008 | 16.5°C | 9.7°C | 2.9°C | 25.9°C | -7.3°C | 116 mm | 74% | 4 m/s | 4.6 |
| 2007 | 20.4°C | 14.7°C | 9.0°C | 26.3°C | -5.7°C | 131 mm | 74% | 3.7 m/s | 4.2 |
| 2006 | 19.0°C | 12.3°C | 5.7°C | 30.3°C | -5.0°C | 56 mm | 57% | 4.1 m/s | 4.2 |
| 2005 | 16.3°C | 9.8°C | 3.3°C | 25.2°C | -5.1°C | 27 mm | 71% | 3.6 m/s | 4.6 |
| 2004 | 18.5°C | 12.1°C | 5.7°C | 26.6°C | -1.1°C | 139 mm | 72% | 3.7 m/s | 4.6 |
| 2003 | 16.5°C | 9.3°C | 2.2°C | 25.8°C | -6.8°C | 73 mm | 71% | 3.4 m/s | 4.4 |
| 2002 | 15.0°C | 8.2°C | 1.4°C | 27.7°C | -10.7°C | 46 mm | 66% | 4.2 m/s | 4.7 |
| 2001 | 13.7°C | 7.6°C | 1.6°C | 21.7°C | -4.2°C | 25 mm | 75% | 2.6 m/s | 4.1 |
| 2000 | 17.8°C | 11.4°C | 5.0°C | 25.5°C | -2.7°C | 99 mm | 73% | 3.8 m/s | 4 |
| 1999 | 15.1°C | 8.8°C | 2.5°C | 23.4°C | -5.9°C | 99 mm | 76% | 3.9 m/s | 4.2 |
| 1998 | 12.5°C | 7.1°C | 1.8°C | 25.4°C | -9.8°C | 162 mm | 79% | 4.3 m/s | 4.1 |
| 1997 | 18.2°C | 10.7°C | 3.3°C | 29.1°C | -4.8°C | 27 mm | 69% | 3.7 m/s | 5.1 |
| 1996 ❄️ | 14.4°C | 7.1°C | -0.2°C | 27.1°C | -11.0°C | 42 mm | 58% | 4.4 m/s | 4.5 |
| 1995 | 16.2°C | 10.1°C | 3.9°C | 29.9°C | -10.5°C | 92 mm | 74% | 3.9 m/s | 4 |
| 1994 | 17.6°C | 10.3°C | 3.0°C | 29.3°C | -6.9°C | 75 mm | 70% | 3.6 m/s | 4.8 |
| 1993 | 13.4°C | 7.6°C | 1.8°C | 24.6°C | -6.7°C | 64 mm | 80% | 3.3 m/s | 3.9 |
| 1992 | 17.7°C | 11.1°C | 4.5°C | 24.3°C | -4.8°C | 48 mm | 74% | 3.9 m/s | 4.6 |
| 1991 | 18.9°C | 11.6°C | 4.3°C | 28.9°C | -3.7°C | 34 mm | 59% | 4.2 m/s | 4.6 |
| 1990 🌧️ | 15.9°C | 10.1°C | 4.3°C | 25.0°C | -7.9°C | 189 mm | 79% | 3.6 m/s | 3.6 |
| 1989 | 16.7°C | 9.6°C | 2.5°C | 27.5°C | -7.6°C | 76 mm | 72% | 4.2 m/s | 5.1 |
| 1988 | 14.7°C | 8.0°C | 1.2°C | 25.9°C | -6.5°C | 164 mm | 72% | 3.9 m/s | 4.1 |
| 1987 | 15.4°C | 9.1°C | 2.8°C | 22.7°C | -6.2°C | 61 mm | 75% | 3.4 m/s | 4.5 |
| 1986 | 18.5°C | 11.7°C | 5.0°C | 26.8°C | -4.5°C | 54 mm | 71% | 3.9 m/s | 5.1 |
| 1985 | 17.3°C | 11.2°C | 5.2°C | 25.7°C | -3.9°C | 135 mm | 78% | 3.6 m/s | 4 |
| 1984 | 14.0°C | 7.5°C | 1.0°C | 26.4°C | -4.7°C | 139 mm | 76% | 3.6 m/s | 4 |
| 1983 | 14.7°C | 8.8°C | 2.8°C | 23.1°C | -5.0°C | 78 mm | 77% | 3.7 m/s | — |
| 1982 | 17.0°C | 10.5°C | 4.0°C | 27.3°C | -5.4°C | 43 mm | 72% | 3.6 m/s | — |
| 1981 | 18.2°C | 11.2°C | 4.3°C | 27.5°C | -2.4°C | 66 mm | 60% | 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°C with lows near 3.8°C (mean 10.4°C), based on 45 years of NASA POWER data.
March averages 75 mm of rainfall in Stillwater, about average for rainfall. The wettest on record was 189 mm in 1990.
The hottest March reached 31.7°C in 2017. The coldest dipped to -14.8°C in 2014.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 2°C. Daytime highs moved from 16.2°C to 18.9°C and overnight lows from 3.5°C to 4.7°C over the same span.
March is one of the cooler months of the year in Stillwater and about average for rainfall, so plan for around 17°C daytime highs and 3.8°C at night.
Not quite — March is the 5th coolest month in Stillwater, averaging 10.4°C.
For March in Stillwater, pack warm layers and a jacket for chilly mornings, with typical highs of 17°C and lows of 3.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 70% — moderately humid.
Average wind speed in March is 3.8 m/s. The windiest March on record averaged 4.4 m/s (1996).
The wettest March on record was 1990 with 189 mm. On average, March sees 75 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 Stillwater 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.
