March is one of the cooler months of the year in Maryville, with average highs near 13.4°C and lows around 2°C (mean 7.7°C). It is a relatively wet time of year, averaging 126 mm of rainfall and 80% relative humidity across the period.
March is one of the cooler months of the year in Maryville. Across 45 years of records, the warmest March in Maryville was 2012 — when the month averaged 12.7°C — while the coldest was 2013 at 3.8°C. Typical March days reach 13.4°C with nights near 2°C. The long-term trend is warming, about 0.5°C per decade.
March is a relatively wet time of year in Maryville, averaging 126 mm of rainfall. The wettest March on record was 1994 with 283 mm, while the driest was 1985 at 52 mm.
Relative humidity in Maryville during March averages 80%. The most humid March was 2020 at 87%, and the least humid was 2025 at 72%.
March receives about 4.2 kWh/m²/day of solar energy in Maryville. The sunniest March was 2022 at 4.8 kWh/m²/day, and the cloudiest was 1993 at 3.2.
Average wind speed in Maryville during March is 0.5 m/s. The windiest Marchs were 2017, 2022 and 2025, among others at 0.6 m/s, while the calmest were 2021, 2023 and 2024, among others at 0.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 7.1°C | 6.9°C | 8.1°C | 7.7°C | 9.4°C | +2.3°C |
| Avg High | 12.9°C | 12.4°C | 14.0°C | 13.2°C | 15.3°C | +2.4°C |
| Avg Low | 1.3°C | 1.4°C | 2.2°C | 2.2°C | 3.4°C | +2.1°C |
| Avg Rain | 94 mm | 164 mm | 108 mm | 117 mm | 156 mm | +62 mm |
March temperatures in Maryville have risen by about 2.4°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -13.9°C (1993) to a record high of 27°C (2007).
Rainfall in March is a relatively wet time of year, averaging 126 mm, with a wettest year of 283 mm.
A quieter season to visit Maryville
If your dates are flexible, the more temperate months of August and June tend to be the most comfortable for visiting Maryville. That said, March — with days averaging 13.4°C and nights around 2°C (mean 7.7°C) and higher rainfall (126 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 | 15.5°C | 9.0°C | 2.4°C | 22.3°C | -7.1°C | 115 mm | 72% | 0.6 m/s | 4.6 |
| 2024 | 15.6°C | 9.6°C | 3.6°C | 22.3°C | -5.9°C | 129 mm | 78% | 0.5 m/s | 4.6 |
| 2023 | 14.3°C | 8.3°C | 2.2°C | 22.9°C | -7.7°C | 131 mm | 77% | 0.5 m/s | 4.4 |
| 2022 | 15.1°C | 8.8°C | 2.5°C | 21.8°C | -9.9°C | 109 mm | 77% | 0.6 m/s | 4.8 |
| 2021 | 15.8°C | 9.6°C | 3.5°C | 20.7°C | -4.9°C | 255 mm | 79% | 0.5 m/s | 4.1 |
| 2020 | 15.7°C | 10.9°C | 6.1°C | 23.4°C | -3.3°C | 195 mm | 87% | 0.5 m/s | 3.4 |
| 2019 | 12.5°C | 6.5°C | 0.5°C | 19.6°C | -10.0°C | 125 mm | 79% | 0.5 m/s | 4.5 |
| 2018 | 11.6°C | 6.2°C | 0.9°C | 19.9°C | -5.5°C | 120 mm | 82% | 0.5 m/s | 3.9 |
| 2017 | 13.7°C | 7.9°C | 2.1°C | 22.6°C | -8.8°C | 135 mm | 76% | 0.6 m/s | 4.4 |
| 2016 | 15.7°C | 10.4°C | 5.0°C | 22.3°C | -3.3°C | 62 mm | 81% | 0.5 m/s | 4.5 |
| 2015 | 14.2°C | 8.5°C | 2.7°C | 20.7°C | -12.0°C | 113 mm | 81% | 0.5 m/s | 3.9 |
| 2014 | 12.3°C | 6.2°C | 0.2°C | 20.9°C | -7.0°C | 75 mm | 79% | 0.5 m/s | 4.4 |
| 2013 ❄️ | 8.9°C | 3.8°C | -1.2°C | 18.4°C | -8.4°C | 136 mm | 81% | 0.5 m/s | 4 |
| 2012 🔥 | 18.0°C | 12.7°C | 7.5°C | 23.8°C | -4.0°C | 139 mm | 82% | 0.5 m/s | 4.4 |
| 2011 | 14.0°C | 8.5°C | 3.0°C | 21.9°C | -4.8°C | 185 mm | 83% | 0.5 m/s | 3.7 |
| 2010 | 11.1°C | 6.3°C | 1.4°C | 20.2°C | -7.3°C | 76 mm | 83% | 0.5 m/s | 3.6 |
| 2009 | 13.9°C | 8.5°C | 3.1°C | 21.7°C | -12.2°C | 107 mm | 82% | 0.5 m/s | 3.7 |
| 2008 | 14.2°C | 7.7°C | 1.3°C | 18.7°C | -5.8°C | 129 mm | 79% | 0.6 m/s | 4.1 |
| 2007 | 16.8°C | 10.9°C | 4.9°C | 27.0°C | -6.3°C | 81 mm | 78% | 0.5 m/s | 4.6 |
| 2006 | 13.2°C | 7.4°C | 1.6°C | 22.8°C | -5.0°C | 71 mm | 78% | 0.6 m/s | 4.4 |
| 2005 | 11.7°C | 6.3°C | 0.9°C | 21.2°C | -6.8°C | 109 mm | 81% | 0.6 m/s | 4.2 |
| 2004 | 15.0°C | 9.2°C | 3.4°C | 23.9°C | -4.7°C | 102 mm | 78% | 0.6 m/s | 4.4 |
| 2003 | 14.8°C | 9.1°C | 3.4°C | 19.9°C | -4.8°C | 78 mm | 84% | 0.5 m/s | 4 |
| 2002 | 14.3°C | 7.9°C | 1.5°C | 21.7°C | -9.5°C | 196 mm | 80% | 0.6 m/s | 4.2 |
| 2001 | 10.6°C | 5.0°C | -0.6°C | 17.2°C | -7.0°C | 103 mm | 79% | 0.5 m/s | 4.4 |
| 2000 | 15.9°C | 9.3°C | 2.6°C | 23.0°C | -4.3°C | 105 mm | 76% | 0.5 m/s | 4.4 |
| 1999 | 10.2°C | 4.5°C | -1.1°C | 18.0°C | -6.7°C | 117 mm | 79% | 0.5 m/s | 4.2 |
| 1998 | 11.3°C | 6.3°C | 1.4°C | 23.6°C | -10.4°C | 119 mm | 83% | 0.6 m/s | 4 |
| 1997 | 15.3°C | 9.5°C | 3.7°C | 21.1°C | -5.8°C | 194 mm | 81% | 0.6 m/s | 4.6 |
| 1996 | 9.8°C | 4.3°C | -1.1°C | 18.5°C | -12.6°C | 162 mm | 80% | 0.6 m/s | 3.8 |
| 1995 | 15.3°C | 8.9°C | 2.6°C | 22.1°C | -8.3°C | 94 mm | 80% | 0.5 m/s | 4.4 |
| 1994 🌧️ | 12.5°C | 6.9°C | 1.2°C | 20.3°C | -5.6°C | 283 mm | 83% | 0.5 m/s | 4 |
| 1993 | 9.6°C | 4.9°C | 0.2°C | 20.2°C | -13.9°C | 146 mm | 84% | 0.5 m/s | 3.2 |
| 1992 | 11.8°C | 6.2°C | 0.7°C | 20.2°C | -8.3°C | 128 mm | 80% | 0.6 m/s | 4.1 |
| 1991 | 13.2°C | 7.9°C | 2.5°C | 22.2°C | -5.1°C | 207 mm | 82% | 0.6 m/s | 3.9 |
| 1990 | 14.6°C | 9.1°C | 3.6°C | 22.8°C | -7.1°C | 190 mm | 85% | 0.5 m/s | 3.9 |
| 1989 | 14.6°C | 8.8°C | 3.0°C | 23.2°C | -4.0°C | 134 mm | 85% | 0.5 m/s | 4 |
| 1988 | 13.2°C | 7.1°C | 1.0°C | 20.6°C | -7.3°C | 72 mm | 79% | 0.5 m/s | 4.3 |
| 1987 | 13.1°C | 7.3°C | 1.4°C | 20.1°C | -5.1°C | 77 mm | 81% | 0.5 m/s | 4.4 |
| 1986 | 13.4°C | 7.3°C | 1.2°C | 24.1°C | -7.6°C | 76 mm | 75% | 0.6 m/s | 4.5 |
| 1985 | 13.9°C | 7.7°C | 1.4°C | 23.8°C | -5.7°C | 52 mm | 79% | 0.6 m/s | 4.2 |
| 1984 | 11.3°C | 5.8°C | 0.3°C | 20.0°C | -10.0°C | 125 mm | 83% | 0.6 m/s | 4 |
| 1983 | 12.2°C | 6.7°C | 1.2°C | 20.9°C | -6.6°C | 109 mm | 81% | 0.6 m/s | — |
| 1982 | 13.7°C | 8.4°C | 3.0°C | 24.1°C | -8.7°C | 110 mm | 85% | 0.5 m/s | — |
| 1981 | 10.9°C | 4.8°C | -1.2°C | 22.9°C | -5.9°C | 94 mm | 76% | 0.6 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 13.4°C with lows near 2°C (mean 7.7°C), based on 45 years of NASA POWER data.
March averages 126 mm of rainfall in Maryville, a relatively wet time of year. The wettest on record was 283 mm in 1994.
The hottest March reached 27°C in 2007. The coldest dipped to -13.9°C in 1993.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 2.4°C. Daytime highs moved from 12.4°C to 15.3°C and overnight lows from 0.9°C to 2.8°C over the same span.
March is one of the cooler months of the year in Maryville and a relatively wet time of year, so plan for around 13.4°C daytime highs and 2°C at night.
Not quite — March is the 4th coolest month in Maryville, averaging 7.7°C.
For March in Maryville, pack warm layers and a jacket for chilly mornings, with typical highs of 13.4°C and lows of 2°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 80% — quite humid.
Average wind speed in March is 0.5 m/s. The windiest March on record averaged 0.6 m/s (1981).
The wettest March on record was 1994 with 283 mm. On average, March sees 126 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 Maryville 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.
