March is one of the cooler months of the year in Sept-Îles, with average highs near -3.1°C and lows around -8.6°C (mean -5.8°C). It is one of the drier months, averaging 72 mm of rainfall and 89% relative humidity across the period.
March is one of the cooler months of the year in Sept-Îles. Across 45 years of records, the warmest March in Sept-Îles was 1981 — when the month averaged -1.6°C — while the coldest was 2014 at -9.5°C. Typical March days reach -3.1°C with nights near -8.6°C. The long-term trend is warming, about 0.3°C per decade.
March is one of the drier months in Sept-Îles, averaging 72 mm of rainfall. The wettest March on record was 1999 with 178 mm, while the driest was 2015 at 30 mm.
Relative humidity in Sept-Îles during March averages 89%. The most humid Marchs were 1995 and 2003 at 92%, and the least humid was 2010 at 81%.
March receives about 3.4 kWh/m²/day of solar energy in Sept-Îles. The sunniest Marchs were 1992, 2004 and 2010, among others at 3.8 kWh/m²/day, and the cloudiest were 2013 and 2024 at 2.8.
Average wind speed in Sept-Îles during March is 4.2 m/s. The windiest Marchs were 2014 and 2021 at 4.9 m/s, while the calmest was 2004 at 3.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -6.2°C | -6.5°C | -6.0°C | -5.7°C | -4.4°C | +1.8°C |
| Avg High | -3.3°C | -3.7°C | -3.2°C | -3.1°C | -1.9°C | +1.4°C |
| Avg Low | -9.1°C | -9.3°C | -8.8°C | -8.4°C | -6.8°C | +2.3°C |
| Avg Rain | 76 mm | 91 mm | 69 mm | 55 mm | 69 mm | -7 mm |
March temperatures in Sept-Îles have risen by about 2°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -27.2°C (1992) to a record high of 6°C (2021).
Rainfall in March is one of the drier months, averaging 72 mm, with a wettest year of 178 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.2°C per decade while lows rose 0.4°C per decade, narrowing the gap between day and night.
A quieter season to visit Sept-Îles
If your dates are flexible, the more temperate months of August and July tend to be the most comfortable for visiting Sept-Îles. That said, March — with days averaging -3.1°C and nights around -8.6°C (mean -5.8°C) and moderate rainfall (72 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 | -1.8°C | -4.5°C | -7.1°C | 3.1°C | -14.9°C | 81 mm | 86% | 4.4 m/s | 3.1 |
| 2024 | -0.1°C | -1.9°C | -3.7°C | 3.0°C | -14.8°C | 95 mm | 83% | 4.1 m/s | 2.8 |
| 2023 | -1.2°C | -3.0°C | -4.8°C | 2.0°C | -18.1°C | 41 mm | 87% | 3.6 m/s | 3.3 |
| 2022 | -3.4°C | -6.1°C | -8.9°C | 0.3°C | -22.2°C | 76 mm | 90% | 4.7 m/s | 3.2 |
| 2021 | -1.5°C | -4.1°C | -6.7°C | 6.0°C | -16.8°C | 73 mm | 86% | 4.9 m/s | 3.3 |
| 2020 | -3.7°C | -6.7°C | -9.8°C | 1.4°C | -20.5°C | 47 mm | 89% | 4 m/s | 3.6 |
| 2019 | -4.0°C | -7.0°C | -10.0°C | 1.5°C | -17.6°C | 70 mm | 89% | 4 m/s | 3.1 |
| 2018 | -1.1°C | -3.0°C | -4.9°C | 1.8°C | -12.6°C | 39 mm | 89% | 4.7 m/s | 3.2 |
| 2017 | -4.6°C | -7.5°C | -10.5°C | -0.3°C | -21.4°C | 62 mm | 89% | 4.5 m/s | 3.3 |
| 2016 | -4.8°C | -7.8°C | -10.9°C | 1.1°C | -18.6°C | 51 mm | 89% | 4.3 m/s | 3.4 |
| 2015 | -4.3°C | -7.5°C | -10.7°C | 0.5°C | -20.0°C | 30 mm | 88% | 4.4 m/s | 3.7 |
| 2014 ❄️ | -6.4°C | -9.5°C | -12.6°C | -0.6°C | -25.4°C | 37 mm | 89% | 4.9 m/s | 3.7 |
| 2013 | -0.3°C | -2.0°C | -3.8°C | 3.3°C | -15.7°C | 77 mm | 86% | 4.1 m/s | 2.8 |
| 2012 | -2.5°C | -5.1°C | -7.7°C | 3.1°C | -16.7°C | 41 mm | 85% | 4 m/s | 3.7 |
| 2011 | -2.9°C | -5.2°C | -7.5°C | 1.1°C | -16.3°C | 95 mm | 88% | 4.7 m/s | 3.2 |
| 2010 | -0.3°C | -2.8°C | -5.4°C | 3.2°C | -15.1°C | 50 mm | 81% | 4.2 m/s | 3.8 |
| 2009 | -3.7°C | -6.8°C | -9.9°C | 1.2°C | -20.4°C | 40 mm | 89% | 4 m/s | 3.5 |
| 2008 | -5.5°C | -9.1°C | -12.7°C | 0.4°C | -22.1°C | 98 mm | 90% | 3.9 m/s | 3.3 |
| 2007 | -3.5°C | -6.6°C | -9.8°C | 0.8°C | -22.8°C | 88 mm | 89% | 4.8 m/s | 3.3 |
| 2006 | -1.4°C | -3.3°C | -5.2°C | 4.0°C | -16.7°C | 52 mm | 89% | 3.4 m/s | 2.9 |
| 2005 | -2.8°C | -5.7°C | -8.5°C | 2.1°C | -19.7°C | 63 mm | 87% | 3.9 m/s | 3.4 |
| 2004 | -3.1°C | -6.0°C | -8.8°C | 1.6°C | -20.2°C | 59 mm | 89% | 3.2 m/s | 3.8 |
| 2003 | -4.5°C | -7.5°C | -10.5°C | 1.4°C | -22.9°C | 64 mm | 92% | 4.2 m/s | 3.5 |
| 2002 | -3.7°C | -7.0°C | -10.3°C | 1.1°C | -18.5°C | 95 mm | 89% | 4.8 m/s | 3.2 |
| 2001 | -1.7°C | -3.9°C | -6.1°C | 1.3°C | -19.1°C | 50 mm | 88% | 3.7 m/s | 3.5 |
| 2000 | -1.9°C | -3.8°C | -5.7°C | 1.4°C | -17.3°C | 82 mm | 90% | 3.5 m/s | 3.4 |
| 1999 🌧️ | -1.0°C | -3.0°C | -4.9°C | 1.7°C | -18.3°C | 178 mm | 91% | 4.7 m/s | 2.9 |
| 1998 | -2.8°C | -5.4°C | -8.0°C | 2.7°C | -16.6°C | 100 mm | 89% | 4 m/s | 3.1 |
| 1997 | -5.8°C | -8.8°C | -11.9°C | 0.2°C | -25.0°C | 75 mm | 90% | 4.2 m/s | 3.5 |
| 1996 | -3.8°C | -6.3°C | -8.8°C | 1.3°C | -20.4°C | 75 mm | 91% | 4.5 m/s | 3.5 |
| 1995 | -4.3°C | -7.4°C | -10.4°C | 0.5°C | -23.6°C | 123 mm | 92% | 3.6 m/s | 3.1 |
| 1994 | -3.2°C | -6.1°C | -8.9°C | 0.9°C | -22.3°C | 99 mm | 91% | 3.9 m/s | 3.4 |
| 1993 | -4.8°C | -8.3°C | -11.9°C | 2.6°C | -23.1°C | 47 mm | 90% | 3.8 m/s | 3.5 |
| 1992 | -5.0°C | -8.0°C | -11.0°C | 1.6°C | -27.2°C | 74 mm | 91% | 4.1 m/s | 3.8 |
| 1991 | -2.1°C | -4.8°C | -7.5°C | 1.5°C | -16.9°C | 97 mm | 90% | 3.8 m/s | 3.3 |
| 1990 | -3.8°C | -6.9°C | -10.1°C | 0.5°C | -21.7°C | 44 mm | 89% | 4.4 m/s | 3.2 |
| 1989 | -4.9°C | -7.8°C | -10.7°C | 1.1°C | -21.6°C | 46 mm | 89% | 4.3 m/s | 3.4 |
| 1988 | -3.0°C | -5.8°C | -8.7°C | 1.8°C | -20.5°C | 69 mm | 90% | 4.2 m/s | 3.4 |
| 1987 | -1.8°C | -4.3°C | -6.8°C | 5.4°C | -19.0°C | 58 mm | 89% | 3.6 m/s | 3.5 |
| 1986 | -4.6°C | -8.1°C | -11.6°C | 2.5°C | -25.7°C | 54 mm | 90% | 4.1 m/s | 3.2 |
| 1985 | -4.4°C | -7.6°C | -10.9°C | 1.8°C | -24.2°C | 73 mm | 91% | 4.5 m/s | 3.4 |
| 1984 | -5.0°C | -8.2°C | -11.4°C | 0.6°C | -26.6°C | 67 mm | 92% | 3.8 m/s | 3.8 |
| 1983 | -2.6°C | -5.2°C | -7.7°C | 1.1°C | -18.2°C | 143 mm | 91% | 4.2 m/s | — |
| 1982 | -3.9°C | -7.1°C | -10.3°C | 0.9°C | -25.0°C | 71 mm | 90% | 4.6 m/s | — |
| 1981 🔥 | 0.4°C | -1.6°C | -3.6°C | 2.4°C | -10.8°C | 101 mm | 86% | 4.1 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around -3.1°C with lows near -8.6°C (mean -5.8°C), based on 45 years of NASA POWER data.
March averages 72 mm of rainfall in Sept-Îles, one of the drier months. The wettest on record was 178 mm in 1999.
The hottest March reached 6°C in 2021. The coldest dipped to -27.2°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°C. Daytime highs moved from -3.1°C to -1.6°C and overnight lows from -8.8°C to -6.2°C over the same span.
March is one of the cooler months of the year in Sept-Îles and one of the drier months, so plan for around -3.1°C daytime highs and -8.6°C at night.
Not quite — March is the 4th coolest month in Sept-Îles, averaging -5.8°C.
For March in Sept-Îles, pack warm layers and a jacket for chilly mornings, with typical highs of -3.1°C and lows of -8.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 89% — quite humid.
Average wind speed in March is 4.2 m/s. The windiest March on record averaged 4.9 m/s (2014).
The wettest March on record was 1999 with 178 mm. On average, March sees 72 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 Sept-Îles 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.
