March is one of the cooler months of the year in Shawinigan, with average highs near -1.1°C and lows around -11.1°C (mean -6.1°C). It is one of the drier months, averaging 68 mm of rainfall and 93% relative humidity across the period.
March is one of the cooler months of the year in Shawinigan. Across 45 years of records, the warmest March in Shawinigan was 2024 — when the month averaged 0.4°C — while the coldest was 2014 at -12°C. Typical March days reach -1.1°C with nights near -11.1°C. The long-term trend is warming, about 0.7°C per decade.
March is one of the drier months in Shawinigan, averaging 68 mm of rainfall. The wettest March on record was 2016 with 121 mm, while the driest was 1996 at 24 mm.
Relative humidity in Shawinigan during March averages 93%. The most humid Marchs were 1982 and 1985 at 97%, and the least humid was 2024 at 80%.
March receives about 3.5 kWh/m²/day of solar energy in Shawinigan. The sunniest March was 2005 at 4.2 kWh/m²/day, and the cloudiest was 1995 at 2.9.
Average wind speed in Shawinigan during March is 1.2 m/s. The windiest Marchs were 2002, 2021 and 2025, among others at 1.4 m/s, while the calmest were 2012, 2013 and 2016, among others at 1.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -7.3°C | -6.4°C | -6.4°C | -6.0°C | -3.1°C | +4.2°C |
| Avg High | -2.1°C | -1.6°C | -1.3°C | -1.1°C | 2.0°C | +4.1°C |
| Avg Low | -12.4°C | -11.2°C | -11.5°C | -11.0°C | -8.1°C | +4.3°C |
| Avg Rain | 73 mm | 71 mm | 66 mm | 71 mm | 57 mm | -16 mm |
March temperatures in Shawinigan have risen by about 4.8°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -34.6°C (1989) to a record high of 21.3°C (2012).
Rainfall in March is one of the drier months, averaging 68 mm, with a wettest year of 121 mm.
A quieter season to visit Shawinigan
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Shawinigan. That said, March — with days averaging -1.1°C and nights around -11.1°C (mean -6.1°C) and moderate rainfall (68 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 | 4.1°C | -1.5°C | -7.1°C | 17.0°C | -27.7°C | 53 mm | 80% | 1.4 m/s | 3.3 |
| 2024 🔥 | 5.3°C | 0.4°C | -4.6°C | 13.4°C | -17.8°C | 41 mm | 80% | 1.3 m/s | 3.6 |
| 2023 | 1.3°C | -3.4°C | -8.0°C | 6.9°C | -20.8°C | 35 mm | 87% | 1.3 m/s | 3.4 |
| 2022 | -0.6°C | -5.2°C | -9.8°C | 7.1°C | -30.1°C | 66 mm | 90% | 1.2 m/s | 3.1 |
| 2021 | 2.3°C | -3.5°C | -9.2°C | 17.0°C | -21.3°C | 61 mm | 86% | 1.4 m/s | 3.6 |
| 2020 | -0.7°C | -5.4°C | -10.2°C | 4.0°C | -23.2°C | 84 mm | 95% | 1.2 m/s | 3.3 |
| 2019 | -2.7°C | -7.9°C | -13.0°C | 3.2°C | -25.9°C | 72 mm | 97% | 1.2 m/s | 3.2 |
| 2018 | 0.2°C | -4.0°C | -8.3°C | 8.4°C | -25.3°C | 46 mm | 92% | 1.3 m/s | 3.4 |
| 2017 | -3.8°C | -8.3°C | -12.8°C | 3.3°C | -24.3°C | 89 mm | 93% | 1.3 m/s | 3.6 |
| 2016 🌧️ | -1.8°C | -6.5°C | -11.3°C | 5.8°C | -28.5°C | 121 mm | 95% | 1.1 m/s | 3.6 |
| 2015 | -4.1°C | -9.8°C | -15.5°C | 0.8°C | -29.7°C | 45 mm | 96% | 1.3 m/s | 4 |
| 2014 ❄️ | -5.6°C | -12.0°C | -18.4°C | 0.3°C | -28.7°C | 59 mm | 97% | 1.2 m/s | 3.7 |
| 2013 | 1.2°C | -2.7°C | -6.6°C | 8.9°C | -19.4°C | 52 mm | 90% | 1.1 m/s | 3.2 |
| 2012 | 4.0°C | -0.8°C | -5.5°C | 21.3°C | -24.5°C | 72 mm | 90% | 1.1 m/s | 3.4 |
| 2011 | -2.3°C | -7.3°C | -12.3°C | 2.7°C | -27.4°C | 115 mm | 97% | 1.2 m/s | 3.7 |
| 2010 | 3.8°C | -1.2°C | -6.1°C | 11.1°C | -14.7°C | 39 mm | 88% | 1.3 m/s | 4.1 |
| 2009 | -0.6°C | -6.3°C | -11.9°C | 9.4°C | -25.9°C | 47 mm | 92% | 1.2 m/s | 3.9 |
| 2008 | -3.4°C | -9.0°C | -14.7°C | 0.4°C | -24.0°C | 109 mm | 97% | 1.3 m/s | 3.3 |
| 2007 | -1.6°C | -7.2°C | -12.7°C | 8.8°C | -33.7°C | 65 mm | 92% | 1.3 m/s | 3.5 |
| 2006 | -1.1°C | -5.3°C | -9.5°C | 15.1°C | -24.8°C | 37 mm | 95% | 1.1 m/s | 3.4 |
| 2005 | -1.6°C | -6.5°C | -11.4°C | 11.5°C | -24.9°C | 55 mm | 93% | 1.3 m/s | 4.2 |
| 2004 | -0.9°C | -5.8°C | -10.6°C | 7.8°C | -23.3°C | 63 mm | 96% | 1.1 m/s | 3.6 |
| 2003 | -3.1°C | -8.3°C | -13.5°C | 15.5°C | -31.5°C | 70 mm | 95% | 1.1 m/s | 3 |
| 2002 | -1.0°C | -6.2°C | -11.4°C | 9.2°C | -22.9°C | 86 mm | 91% | 1.4 m/s | 3.1 |
| 2001 | -2.6°C | -7.4°C | -12.1°C | 0.3°C | -28.7°C | 71 mm | 97% | 1.2 m/s | 3.7 |
| 2000 | 3.3°C | -1.8°C | -6.9°C | 13.7°C | -19.3°C | 54 mm | 89% | 1.2 m/s | 3.3 |
| 1999 | -0.9°C | -5.2°C | -9.5°C | 5.6°C | -23.4°C | 87 mm | 94% | 1.4 m/s | 3.5 |
| 1998 | -0.7°C | -5.2°C | -9.7°C | 18.5°C | -28.5°C | 109 mm | 97% | 1.1 m/s | 3.1 |
| 1997 | -4.1°C | -9.6°C | -15.1°C | 0.9°C | -29.0°C | 65 mm | 97% | 1.2 m/s | 3.5 |
| 1996 | 0.4°C | -5.2°C | -10.8°C | 11.0°C | -20.8°C | 24 mm | 84% | 1.4 m/s | 4 |
| 1995 | 1.3°C | -3.0°C | -7.3°C | 10.8°C | -25.4°C | 70 mm | 92% | 1.1 m/s | 2.9 |
| 1994 | -1.4°C | -6.0°C | -10.5°C | 3.4°C | -26.9°C | 47 mm | 95% | 1.1 m/s | 3.5 |
| 1993 | -2.9°C | -8.0°C | -13.1°C | 8.2°C | -28.5°C | 44 mm | 96% | 1.2 m/s | 3.8 |
| 1992 | -4.5°C | -9.4°C | -14.3°C | 0.7°C | -33.9°C | 91 mm | 97% | 1.1 m/s | 3.7 |
| 1991 | -1.6°C | -6.0°C | -10.4°C | 4.4°C | -19.9°C | 115 mm | 97% | 1.3 m/s | 3.5 |
| 1990 | -1.7°C | -6.6°C | -11.6°C | 4.9°C | -28.6°C | 53 mm | 95% | 1.1 m/s | 3.4 |
| 1989 | -4.1°C | -10.1°C | -16.1°C | 6.3°C | -34.6°C | 76 mm | 97% | 1.1 m/s | 3.3 |
| 1988 | -3.0°C | -8.7°C | -14.3°C | 6.7°C | -24.9°C | 38 mm | 96% | 1.1 m/s | 3.4 |
| 1987 | 1.1°C | -3.9°C | -8.9°C | 15.3°C | -28.2°C | 60 mm | 95% | 1.2 m/s | 3.2 |
| 1986 | -0.5°C | -6.0°C | -11.4°C | 17.9°C | -27.2°C | 71 mm | 95% | 1.2 m/s | 3.3 |
| 1985 | -3.5°C | -8.5°C | -13.4°C | 0.9°C | -28.3°C | 96 mm | 97% | 1.3 m/s | 3.4 |
| 1984 | -5.6°C | -10.9°C | -16.1°C | 0.3°C | -31.0°C | 53 mm | 97% | 1.3 m/s | 3.8 |
| 1983 | -1.3°C | -5.5°C | -9.7°C | 2.7°C | -24.2°C | 98 mm | 96% | 1.3 m/s | — |
| 1982 | -3.3°C | -8.2°C | -13.0°C | 0.7°C | -32.9°C | 97 mm | 97% | 1.2 m/s | — |
| 1981 | 0.9°C | -4.1°C | -9.1°C | 11.4°C | -21.4°C | 68 mm | 91% | 1.1 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around -1.1°C with lows near -11.1°C (mean -6.1°C), based on 45 years of NASA POWER data.
March averages 68 mm of rainfall in Shawinigan, one of the drier months. The wettest on record was 121 mm in 2016.
The hottest March reached 21.3°C in 2012. The coldest dipped to -34.6°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 4.8°C. Daytime highs moved from -2.6°C to 2.5°C and overnight lows from -12.3°C to -7.7°C over the same span.
March is one of the cooler months of the year in Shawinigan and one of the drier months, so plan for around -1.1°C daytime highs and -11.1°C at night.
Not quite — March is the 4th coolest month in Shawinigan, averaging -6.1°C.
For March in Shawinigan, pack warm layers and a jacket for chilly mornings, with typical highs of -1.1°C and lows of -11.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 93% — quite humid.
Average wind speed in March is 1.2 m/s. The windiest March on record averaged 1.4 m/s (1996).
The wettest March on record was 2016 with 121 mm. On average, March sees 68 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 Shawinigan 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.
