March is one of the cooler months of the year in Rimouski, with average highs near -2.5°C and lows around -9.3°C (mean -5.9°C). It is one of the drier months, averaging 64 mm of rainfall and 90% relative humidity across the period.
March is one of the cooler months of the year in Rimouski. Across 45 years of records, the warmest March in Rimouski was 2024 — when the month averaged -1.2°C — while the coldest was 2014 at -10.1°C. Typical March days reach -2.5°C with nights near -9.3°C. The long-term trend is warming, about 0.4°C per decade.
March is one of the drier months in Rimouski, averaging 64 mm of rainfall. The wettest March on record was 2017 with 120 mm, while the driest was 1996 at 25 mm.
Relative humidity in Rimouski during March averages 90%. The most humid March was 1984 at 94%, and the least humid was 1996 at 80%.
March receives about 3.2 kWh/m²/day of solar energy in Rimouski. The sunniest March was 2015 at 3.7 kWh/m²/day, and the cloudiest was 1995 at 2.7.
Average wind speed in Rimouski during March is 3.2 m/s. The windiest March was 2021 at 4 m/s, while the calmest was 2000 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -6.6°C | -6.2°C | -6.0°C | -5.9°C | -4.2°C | +2.4°C |
| Avg High | -3.0°C | -2.7°C | -2.6°C | -2.8°C | -1.0°C | +2°C |
| Avg Low | -10.1°C | -9.6°C | -9.4°C | -9.1°C | -7.5°C | +2.6°C |
| Avg Rain | 54 mm | 55 mm | 63 mm | 83 mm | 64 mm | +10 mm |
March temperatures in Rimouski have risen by about 2.8°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -26.1°C (1992) to a record high of 16°C (2012).
Rainfall in March is one of the drier months, averaging 64 mm, with a wettest year of 120 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.3°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
A quieter season to visit Rimouski
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Rimouski. That said, March — with days averaging -2.5°C and nights around -9.3°C (mean -5.9°C) and moderate rainfall (64 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 | -0.6°C | -3.8°C | -7.0°C | 8.7°C | -16.9°C | 78 mm | 85% | 3.5 m/s | 3.2 |
| 2024 🔥 | 1.4°C | -1.2°C | -3.8°C | 8.4°C | -14.3°C | 64 mm | 82% | 3.3 m/s | 2.9 |
| 2023 | -0.4°C | -3.4°C | -6.3°C | 3.1°C | -16.8°C | 38 mm | 86% | 2.7 m/s | 3.4 |
| 2022 | -2.8°C | -6.3°C | -9.7°C | 1.6°C | -22.4°C | 65 mm | 91% | 3.2 m/s | 3 |
| 2021 | -0.5°C | -4.3°C | -8.0°C | 13.0°C | -17.3°C | 60 mm | 86% | 4 m/s | 3.2 |
| 2020 | -2.9°C | -6.4°C | -10.0°C | 1.0°C | -18.8°C | 76 mm | 92% | 3.1 m/s | 3.4 |
| 2019 | -3.2°C | -6.7°C | -10.3°C | 2.2°C | -18.9°C | 77 mm | 91% | 3.4 m/s | 3.1 |
| 2018 | -1.7°C | -4.0°C | -6.3°C | 1.8°C | -16.0°C | 62 mm | 93% | 3.7 m/s | 2.9 |
| 2017 🌧️ | -5.3°C | -8.9°C | -12.5°C | 0.3°C | -23.0°C | 120 mm | 92% | 3.3 m/s | 3.5 |
| 2016 | -4.0°C | -7.2°C | -10.5°C | 1.3°C | -19.2°C | 97 mm | 92% | 3.3 m/s | 3.3 |
| 2015 | -4.2°C | -8.1°C | -12.0°C | 2.1°C | -19.7°C | 55 mm | 90% | 3.8 m/s | 3.7 |
| 2014 ❄️ | -6.5°C | -10.1°C | -13.8°C | 0.4°C | -25.8°C | 84 mm | 91% | 3.6 m/s | 3.3 |
| 2013 | -0.6°C | -2.8°C | -5.1°C | 4.4°C | -15.4°C | 103 mm | 90% | 3.4 m/s | 2.9 |
| 2012 | 0.9°C | -2.6°C | -6.1°C | 16.0°C | -16.2°C | 78 mm | 85% | 3.2 m/s | 3.1 |
| 2011 | -3.0°C | -5.7°C | -8.4°C | 2.5°C | -17.3°C | 95 mm | 92% | 3.6 m/s | 3.2 |
| 2010 | 0.0°C | -3.0°C | -6.1°C | 2.9°C | -15.8°C | 60 mm | 86% | 3.2 m/s | 3.6 |
| 2009 | -2.4°C | -6.2°C | -10.1°C | 4.0°C | -20.9°C | 48 mm | 88% | 3.1 m/s | 3.4 |
| 2008 | -4.9°C | -9.4°C | -13.9°C | 0.6°C | -21.9°C | 114 mm | 93% | 3.2 m/s | 3.1 |
| 2007 | -2.6°C | -6.3°C | -10.0°C | 4.0°C | -23.1°C | 57 mm | 90% | 3.8 m/s | 3.1 |
| 2006 | -1.4°C | -3.5°C | -5.7°C | 5.0°C | -16.2°C | 49 mm | 91% | 2.9 m/s | 3 |
| 2005 | -2.7°C | -5.2°C | -7.8°C | 1.8°C | -17.3°C | 73 mm | 91% | 3.4 m/s | 3.5 |
| 2004 | -2.7°C | -6.2°C | -9.6°C | 1.1°C | -16.5°C | 74 mm | 93% | 2.7 m/s | 3.4 |
| 2003 | -3.8°C | -7.5°C | -11.1°C | 6.4°C | -21.7°C | 50 mm | 93% | 3.1 m/s | 3.2 |
| 2002 | -3.0°C | -7.0°C | -10.9°C | 5.2°C | -18.1°C | 61 mm | 87% | 3.6 m/s | 3 |
| 2001 | -2.4°C | -5.1°C | -7.9°C | 3.4°C | -21.8°C | 43 mm | 91% | 2.9 m/s | 3.2 |
| 2000 | -0.5°C | -3.7°C | -6.9°C | 6.2°C | -16.8°C | 61 mm | 90% | 2.4 m/s | 3.1 |
| 1999 | 0.0°C | -2.9°C | -5.8°C | 6.8°C | -17.0°C | 83 mm | 87% | 3.4 m/s | 3.2 |
| 1998 | -1.5°C | -4.6°C | -7.7°C | 8.5°C | -15.6°C | 55 mm | 87% | 3 m/s | 3.1 |
| 1997 | -4.7°C | -8.2°C | -11.7°C | 4.2°C | -23.2°C | 28 mm | 89% | 3.5 m/s | 3.6 |
| 1996 | -1.8°C | -5.5°C | -9.3°C | 7.0°C | -18.0°C | 25 mm | 80% | 3.4 m/s | 3.5 |
| 1995 | -3.2°C | -6.4°C | -9.6°C | 1.7°C | -22.8°C | 73 mm | 94% | 2.5 m/s | 2.7 |
| 1994 | -2.4°C | -5.7°C | -9.0°C | 4.1°C | -22.3°C | 56 mm | 91% | 2.9 m/s | 3.4 |
| 1993 | -3.8°C | -7.8°C | -11.7°C | 5.0°C | -22.3°C | 38 mm | 92% | 3 m/s | 3.5 |
| 1992 | -5.3°C | -8.8°C | -12.4°C | 2.4°C | -26.1°C | 60 mm | 92% | 3.1 m/s | 3.6 |
| 1991 | -1.9°C | -5.2°C | -8.4°C | 3.2°C | -15.2°C | 101 mm | 92% | 3.1 m/s | 3.2 |
| 1990 | -2.7°C | -6.7°C | -10.7°C | 3.1°C | -20.6°C | 28 mm | 87% | 3.1 m/s | 3.3 |
| 1989 | -4.5°C | -8.4°C | -12.4°C | 6.3°C | -25.2°C | 39 mm | 88% | 3.1 m/s | 3.2 |
| 1988 | -3.5°C | -7.3°C | -11.1°C | 2.6°C | -20.2°C | 30 mm | 92% | 3.2 m/s | 3.2 |
| 1987 | -0.5°C | -4.1°C | -7.6°C | 12.9°C | -20.3°C | 38 mm | 90% | 2.7 m/s | 2.8 |
| 1986 | -2.7°C | -6.7°C | -10.7°C | 12.7°C | -21.7°C | 43 mm | 89% | 3.3 m/s | 3.5 |
| 1985 | -4.5°C | -7.9°C | -11.4°C | 0.5°C | -25.1°C | 62 mm | 93% | 3.5 m/s | 3.3 |
| 1984 | -5.7°C | -8.8°C | -11.9°C | 0.7°C | -24.6°C | 54 mm | 94% | 3.4 m/s | 3.6 |
| 1983 | -2.7°C | -6.0°C | -9.2°C | 2.0°C | -18.8°C | 107 mm | 94% | 3 m/s | — |
| 1982 | -3.7°C | -7.9°C | -12.0°C | 1.6°C | -26.0°C | 47 mm | 92% | 3.2 m/s | — |
| 1981 | 0.4°C | -2.3°C | -5.0°C | 6.1°C | -15.0°C | 62 mm | 86% | 3.3 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around -2.5°C with lows near -9.3°C (mean -5.9°C), based on 45 years of NASA POWER data.
March averages 64 mm of rainfall in Rimouski, one of the drier months. The wettest on record was 120 mm in 2017.
The hottest March reached 16°C in 2012. The coldest dipped to -26.1°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 2.8°C. Daytime highs moved from -3.2°C to -0.6°C and overnight lows from -9.9°C to -7°C over the same span.
March is one of the cooler months of the year in Rimouski and one of the drier months, so plan for around -2.5°C daytime highs and -9.3°C at night.
Not quite — March is the 4th coolest month in Rimouski, averaging -5.9°C.
For March in Rimouski, pack warm layers and a jacket for chilly mornings, with typical highs of -2.5°C and lows of -9.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 90% — quite humid.
Average wind speed in March is 3.2 m/s. The windiest March on record averaged 4 m/s (2021).
The wettest March on record was 2017 with 120 mm. On average, March sees 64 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 Rimouski 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.
