March is one of the cooler months of the year in L’Assomption, with average highs near 0.5°C and lows around -9.7°C (mean -4.6°C). It is one of the drier months, averaging 68 mm of rainfall and 87% relative humidity across the period.
March is one of the cooler months of the year in L’Assomption. Across 45 years of records, the warmest March in L’Assomption was 2024 — when the month averaged 1.2°C — while the coldest was 2014 at -10.6°C. Typical March days reach 0.5°C with nights near -9.7°C. The long-term trend is warming, about 0.7°C per decade.
March is one of the drier months in L’Assomption, averaging 68 mm of rainfall. The wettest March on record was 2011 with 123 mm, while the driest was 1996 at 23 mm.
Relative humidity in L’Assomption during March averages 87%. The most humid March was 1982 at 93%, and the least humid was 1996 at 74%.
March receives about 3.5 kWh/m²/day of solar energy in L’Assomption. The sunniest March was 2005 at 4.2 kWh/m²/day, and the cloudiest were 1995 and 2002 at 3.
Average wind speed in L’Assomption during March is 3 m/s. The windiest March was 2021 at 3.5 m/s, while the calmest was 2003 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -5.8°C | -4.9°C | -5.1°C | -4.6°C | -1.6°C | +4.2°C |
| Avg High | -0.5°C | 0.1°C | 0.1°C | 0.4°C | 3.5°C | +4°C |
| Avg Low | -11.1°C | -10.0°C | -10.2°C | -9.5°C | -6.7°C | +4.4°C |
| Avg Rain | 66 mm | 67 mm | 75 mm | 71 mm | 53 mm | -13 mm |
March temperatures in L’Assomption have risen by about 4.8°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -35.6°C (1989) to a record high of 21.9°C (2012).
Rainfall in March is one of the drier months, averaging 68 mm, with a wettest year of 123 mm.
A quieter season to visit L’Assomption
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting L’Assomption. That said, March — with days averaging 0.5°C and nights around -9.7°C (mean -4.6°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 | 4.4°C | -1.0°C | -6.3°C | 17.1°C | -25.7°C | 53 mm | 80% | 3.4 m/s | 3.5 |
| 2024 🔥 | 6.2°C | 1.2°C | -3.7°C | 14.8°C | -16.4°C | 46 mm | 78% | 3.2 m/s | 3.5 |
| 2023 | 2.8°C | -1.5°C | -5.9°C | 8.1°C | -16.9°C | 41 mm | 82% | 3.2 m/s | 3.4 |
| 2022 | 1.6°C | -3.2°C | -8.1°C | 14.5°C | -27.3°C | 61 mm | 84% | 3.1 m/s | 3.3 |
| 2021 | 3.9°C | -2.2°C | -8.4°C | 19.2°C | -21.5°C | 51 mm | 80% | 3.5 m/s | 3.9 |
| 2020 | 2.2°C | -2.7°C | -7.6°C | 10.6°C | -21.0°C | 70 mm | 87% | 3.1 m/s | 3.5 |
| 2019 | -1.2°C | -6.4°C | -11.6°C | 6.5°C | -25.4°C | 62 mm | 90% | 3 m/s | 3.6 |
| 2018 | 1.8°C | -2.3°C | -6.4°C | 9.9°C | -22.1°C | 47 mm | 84% | 3.3 m/s | 3.5 |
| 2017 | -2.1°C | -6.7°C | -11.4°C | 6.4°C | -25.2°C | 91 mm | 85% | 3.1 m/s | 3.5 |
| 2016 | 1.0°C | -3.9°C | -8.8°C | 13.0°C | -30.7°C | 108 mm | 87% | 2.8 m/s | 3.5 |
| 2015 | -2.6°C | -8.5°C | -14.4°C | 2.4°C | -27.7°C | 38 mm | 88% | 3 m/s | 4 |
| 2014 ❄️ | -4.2°C | -10.6°C | -17.1°C | 1.4°C | -28.1°C | 64 mm | 89% | 2.9 m/s | 3.8 |
| 2013 | 2.1°C | -1.8°C | -5.7°C | 10.0°C | -17.5°C | 53 mm | 86% | 2.8 m/s | 3.4 |
| 2012 | 5.5°C | 0.7°C | -4.0°C | 21.9°C | -24.1°C | 69 mm | 86% | 2.7 m/s | 3.5 |
| 2011 🌧️ | -1.1°C | -6.1°C | -11.1°C | 3.3°C | -28.0°C | 123 mm | 90% | 2.8 m/s | 3.7 |
| 2010 | 4.7°C | -0.1°C | -4.8°C | 12.2°C | -12.3°C | 49 mm | 85% | 3.1 m/s | 3.7 |
| 2009 | 0.9°C | -4.5°C | -10.0°C | 12.2°C | -24.5°C | 49 mm | 87% | 2.8 m/s | 3.8 |
| 2008 | -2.2°C | -7.9°C | -13.6°C | 1.4°C | -23.9°C | 116 mm | 92% | 3.1 m/s | 3.5 |
| 2007 | -0.4°C | -6.0°C | -11.5°C | 10.4°C | -34.3°C | 78 mm | 88% | 3.2 m/s | 3.5 |
| 2006 | -0.3°C | -4.7°C | -9.1°C | 16.4°C | -25.4°C | 56 mm | 89% | 2.6 m/s | 3.3 |
| 2005 | -0.6°C | -5.9°C | -11.1°C | 13.5°C | -26.7°C | 61 mm | 89% | 2.9 m/s | 4.2 |
| 2004 | 0.7°C | -3.9°C | -8.5°C | 13.7°C | -19.1°C | 70 mm | 91% | 2.8 m/s | 3.5 |
| 2003 | -1.6°C | -6.9°C | -12.3°C | 16.7°C | -30.5°C | 81 mm | 91% | 2.4 m/s | 3.2 |
| 2002 | 0.9°C | -4.4°C | -9.7°C | 10.5°C | -20.3°C | 94 mm | 85% | 3.4 m/s | 3 |
| 2001 | -1.9°C | -6.5°C | -11.1°C | 1.1°C | -28.0°C | 79 mm | 92% | 3 m/s | 3.6 |
| 2000 | 5.2°C | 0.1°C | -5.1°C | 14.7°C | -16.2°C | 65 mm | 83% | 3 m/s | 3.2 |
| 1999 | 0.5°C | -4.3°C | -9.1°C | 8.7°C | -22.0°C | 100 mm | 88% | 3.3 m/s | 3.6 |
| 1998 | 1.0°C | -3.6°C | -8.3°C | 21.1°C | -27.9°C | 92 mm | 91% | 2.7 m/s | 3.3 |
| 1997 | -2.0°C | -8.1°C | -14.2°C | 9.2°C | -27.8°C | 72 mm | 90% | 3 m/s | 3.8 |
| 1996 | 2.1°C | -3.1°C | -8.3°C | 13.7°C | -17.2°C | 23 mm | 74% | 3.4 m/s | 3.7 |
| 1995 | 4.3°C | -0.9°C | -6.1°C | 12.1°C | -21.6°C | 52 mm | 85% | 2.6 m/s | 3 |
| 1994 | 0.3°C | -4.4°C | -9.2°C | 6.6°C | -25.6°C | 44 mm | 89% | 2.6 m/s | 3.6 |
| 1993 | -1.8°C | -7.1°C | -12.5°C | 11.7°C | -28.7°C | 49 mm | 92% | 2.8 m/s | 3.6 |
| 1992 | -3.6°C | -8.6°C | -13.5°C | 2.7°C | -32.1°C | 79 mm | 92% | 2.6 m/s | 3.9 |
| 1991 | 0.0°C | -4.6°C | -9.2°C | 8.4°C | -24.8°C | 110 mm | 91% | 3 m/s | 3.5 |
| 1990 | 0.3°C | -4.5°C | -9.2°C | 11.4°C | -27.4°C | 46 mm | 88% | 2.8 m/s | 3.4 |
| 1989 | -2.3°C | -8.5°C | -14.7°C | 12.5°C | -35.6°C | 76 mm | 91% | 2.7 m/s | 3.4 |
| 1988 | -0.6°C | -6.4°C | -12.2°C | 16.5°C | -24.6°C | 32 mm | 87% | 2.8 m/s | 3.4 |
| 1987 | 2.3°C | -2.9°C | -8.0°C | 16.2°C | -28.0°C | 56 mm | 91% | 2.7 m/s | 3.1 |
| 1986 | 1.3°C | -4.2°C | -9.8°C | 19.0°C | -24.6°C | 63 mm | 89% | 2.9 m/s | 3.3 |
| 1985 | -2.0°C | -7.3°C | -12.5°C | 3.9°C | -26.8°C | 92 mm | 91% | 3 m/s | 3.5 |
| 1984 | -4.8°C | -10.4°C | -16.0°C | 1.5°C | -31.0°C | 43 mm | 92% | 3.1 m/s | 3.5 |
| 1983 | 0.9°C | -3.5°C | -7.9°C | 9.1°C | -20.1°C | 91 mm | 88% | 3.1 m/s | — |
| 1982 | -2.0°C | -7.1°C | -12.1°C | 7.8°C | -29.2°C | 91 mm | 93% | 2.8 m/s | — |
| 1981 | 2.4°C | -2.3°C | -7.0°C | 13.3°C | -20.2°C | 57 mm | 84% | 2.8 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 0.5°C with lows near -9.7°C (mean -4.6°C), based on 45 years of NASA POWER data.
March averages 68 mm of rainfall in L’Assomption, one of the drier months. The wettest on record was 123 mm in 2011.
The hottest March reached 21.9°C in 2012. The coldest dipped to -35.6°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 -1.1°C to 3.8°C and overnight lows from -11.1°C to -6.5°C over the same span.
March is one of the cooler months of the year in L’Assomption and one of the drier months, so plan for around 0.5°C daytime highs and -9.7°C at night.
Not quite — March is the 4th coolest month in L’Assomption, averaging -4.6°C.
For March in L’Assomption, pack warm layers and a jacket for chilly mornings, with typical highs of 0.5°C and lows of -9.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 87% — quite humid.
Average wind speed in March is 3 m/s. The windiest March on record averaged 3.5 m/s (2021).
The wettest March on record was 2011 with 123 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 L’Assomption 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.
