April is one of the cooler months of the year in Sept-Îles, with average highs near 2°C and lows around -1.9°C (mean 0.1°C). It is about average for rainfall, averaging 83 mm of rainfall and 85% relative humidity across the period.
April is one of the cooler months of the year in Sept-Îles. Across 45 years of records, the warmest April in Sept-Îles was 2010 — when the month averaged 2.8°C — while the coldest was 2003 at -2.6°C. Typical April days reach 2°C with nights near -1.9°C. The long-term April temperature trend is broadly flat.
April is about average for rainfall in Sept-Îles, averaging 83 mm of rainfall. The wettest April on record was 1983 with 192 mm, while the driest was 1998 at 25 mm.
Relative humidity in Sept-Îles during April averages 85%. The most humid April was 1983 at 92%, and the least humid was 2020 at 78%.
April receives about 4.5 kWh/m²/day of solar energy in Sept-Îles. The sunniest April was 1991 at 5.2 kWh/m²/day, and the cloudiest were 2004 and 2005 at 3.8.
Average wind speed in Sept-Îles during April is 3.7 m/s. The windiest April was 1982 at 4.6 m/s, while the calmest was 2010 at 2.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 0.2°C | -0.1°C | -0.1°C | -0.2°C | 1.0°C | +0.8°C |
| Avg High | 2.1°C | 1.8°C | 1.8°C | 1.8°C | 2.9°C | +0.8°C |
| Avg Low | -1.7°C | -2.0°C | -2.1°C | -2.2°C | -0.9°C | +0.8°C |
| Avg Rain | 112 mm | 75 mm | 77 mm | 80 mm | 63 mm | -49 mm |
April temperatures in Sept-Îles have risen by about 1.9°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -20.7°C (1994) to a record high of 10.8°C (2025).
Rainfall in April is about average for rainfall, averaging 83 mm, with a wettest year of 192 mm.
A good time to visit Sept-Îles
April is a good time to visit Sept-Îles, with days averaging 2°C and nights around -1.9°C (mean 0.1°C, cooler than Sept-Îles's yearly average) and higher rainfall. August and July are marginally more temperate, but April still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 2.3°C | 0.4°C | -1.6°C | 10.8°C | -8.7°C | 62 mm | 83% | 3.9 m/s | 4.4 |
| 2024 | 3.7°C | 1.8°C | -0.2°C | 6.8°C | -5.2°C | 39 mm | 80% | 3.4 m/s | 4.8 |
| 2023 | 2.7°C | 0.7°C | -1.2°C | 8.5°C | -10.9°C | 41 mm | 86% | 3.7 m/s | 4.4 |
| 2022 | 2.4°C | 0.6°C | -1.2°C | 6.6°C | -6.3°C | 78 mm | 86% | 3.9 m/s | 4.5 |
| 2021 | 4.6°C | 2.6°C | 0.6°C | 9.3°C | -4.8°C | 108 mm | 85% | 3 m/s | 4.2 |
| 2020 | 1.8°C | 0.0°C | -1.9°C | 5.6°C | -5.8°C | 50 mm | 78% | 4 m/s | 4.9 |
| 2019 | 1.2°C | -0.8°C | -2.8°C | 4.2°C | -10.8°C | 79 mm | 85% | 4.3 m/s | 4.2 |
| 2018 | 0.5°C | -1.5°C | -3.6°C | 7.6°C | -11.0°C | 83 mm | 84% | 3.9 m/s | 4.7 |
| 2017 | 1.3°C | -0.2°C | -1.7°C | 4.9°C | -6.9°C | 84 mm | 86% | 3.6 m/s | 4.1 |
| 2016 | 0.9°C | -1.5°C | -3.9°C | 10.2°C | -13.6°C | 49 mm | 79% | 3.9 m/s | 5 |
| 2015 | 0.8°C | -1.2°C | -3.1°C | 6.6°C | -13.2°C | 79 mm | 81% | 4.2 m/s | 4.4 |
| 2014 | 2.0°C | -0.2°C | -2.3°C | 6.0°C | -9.4°C | 62 mm | 85% | 3.7 m/s | 4.2 |
| 2013 | 1.9°C | 0.0°C | -1.9°C | 6.2°C | -8.4°C | 46 mm | 82% | 3.7 m/s | 4.5 |
| 2012 | 3.0°C | 0.9°C | -1.1°C | 9.2°C | -5.8°C | 145 mm | 83% | 4.1 m/s | 4.1 |
| 2011 | 1.5°C | -0.6°C | -2.7°C | 6.3°C | -10.8°C | 110 mm | 85% | 4.1 m/s | 4.4 |
| 2010 🔥 | 4.6°C | 2.8°C | 0.9°C | 9.4°C | -2.9°C | 67 mm | 84% | 2.8 m/s | 4.3 |
| 2009 | 2.3°C | 0.4°C | -1.6°C | 9.1°C | -6.7°C | 119 mm | 85% | 4 m/s | 4.4 |
| 2008 | 2.5°C | 0.8°C | -0.9°C | 7.8°C | -7.8°C | 63 mm | 88% | 3.4 m/s | 4.6 |
| 2007 | 1.9°C | -0.1°C | -2.0°C | 7.5°C | -8.9°C | 41 mm | 85% | 3.9 m/s | 5 |
| 2006 | 3.5°C | 1.6°C | -0.3°C | 9.7°C | -5.3°C | 62 mm | 83% | 3.4 m/s | 4.6 |
| 2005 | 1.7°C | -0.3°C | -2.3°C | 3.8°C | -7.3°C | 113 mm | 87% | 4.5 m/s | 3.8 |
| 2004 | 1.9°C | 0.1°C | -1.8°C | 6.9°C | -5.9°C | 108 mm | 85% | 3.3 m/s | 3.8 |
| 2003 ❄️ | -0.4°C | -2.6°C | -4.8°C | 5.0°C | -14.1°C | 51 mm | 86% | 3.9 m/s | 4.7 |
| 2002 | 1.4°C | -0.5°C | -2.4°C | 4.2°C | -7.2°C | 61 mm | 83% | 3.8 m/s | 4.4 |
| 2001 | 2.1°C | 0.0°C | -2.0°C | 8.4°C | -5.7°C | 69 mm | 83% | 3.7 m/s | 4.8 |
| 2000 | 1.1°C | -0.6°C | -2.4°C | 4.9°C | -7.3°C | 87 mm | 84% | 3.8 m/s | 4.5 |
| 1999 | 2.5°C | 0.7°C | -1.1°C | 8.1°C | -9.2°C | 51 mm | 86% | 3.5 m/s | 4.5 |
| 1998 | 3.6°C | 1.7°C | -0.3°C | 9.9°C | -6.6°C | 25 mm | 83% | 3.4 m/s | 4.8 |
| 1997 | 0.9°C | -1.2°C | -3.2°C | 4.8°C | -8.9°C | 28 mm | 88% | 3.6 m/s | 4.6 |
| 1996 | 2.6°C | 1.0°C | -0.6°C | 7.8°C | -7.5°C | 127 mm | 88% | 3.4 m/s | 4.1 |
| 1995 | 1.2°C | -0.5°C | -2.3°C | 6.6°C | -10.2°C | 101 mm | 90% | 3.5 m/s | 4.1 |
| 1994 | -0.1°C | -2.3°C | -4.4°C | 3.9°C | -20.7°C | 102 mm | 87% | 3.5 m/s | 4.2 |
| 1993 | 2.7°C | 0.7°C | -1.3°C | 5.3°C | -11.0°C | 104 mm | 82% | 3.4 m/s | 4.5 |
| 1992 | 1.8°C | -0.3°C | -2.3°C | 6.3°C | -11.1°C | 65 mm | 83% | 3.7 m/s | 5 |
| 1991 | 1.4°C | -0.7°C | -2.8°C | 5.0°C | -8.8°C | 60 mm | 86% | 3.7 m/s | 5.2 |
| 1990 | 1.7°C | -0.1°C | -1.9°C | 5.2°C | -6.7°C | 84 mm | 84% | 3.6 m/s | 4.3 |
| 1989 | 2.2°C | 0.5°C | -1.2°C | 8.6°C | -6.1°C | 65 mm | 85% | 3.6 m/s | 4.6 |
| 1988 | 2.8°C | 1.3°C | -0.3°C | 5.8°C | -6.9°C | 108 mm | 86% | 3.7 m/s | 4.5 |
| 1987 | 4.2°C | 2.4°C | 0.5°C | 9.7°C | -2.6°C | 86 mm | 82% | 3.3 m/s | 4.5 |
| 1986 | 3.0°C | 1.1°C | -0.8°C | 10.1°C | -11.3°C | 145 mm | 87% | 3.9 m/s | 4.4 |
| 1985 | 0.3°C | -2.1°C | -4.5°C | 6.8°C | -12.8°C | 51 mm | 85% | 3.9 m/s | 4.8 |
| 1984 | 2.0°C | -0.2°C | -2.4°C | 8.9°C | -10.9°C | 93 mm | 87% | 3.5 m/s | 4.8 |
| 1983 🌧️ | 2.5°C | 0.9°C | -0.6°C | 8.5°C | -10.6°C | 192 mm | 92% | 3.9 m/s | — |
| 1982 | 0.4°C | -1.7°C | -3.9°C | 3.6°C | -13.0°C | 136 mm | 88% | 4.6 m/s | — |
| 1981 | 1.6°C | -0.4°C | -2.3°C | 4.5°C | -11.2°C | 135 mm | 87% | 4 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 2°C with lows near -1.9°C (mean 0.1°C), based on 45 years of NASA POWER data.
April averages 83 mm of rainfall in Sept-Îles, about average for rainfall. The wettest on record was 192 mm in 1983.
The hottest April reached 10.8°C in 2025. The coldest dipped to -20.7°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.9°C. Daytime highs moved from 1.4°C to 3.1°C and overnight lows from -2.7°C to -0.7°C over the same span.
April is one of the cooler months of the year in Sept-Îles and about average for rainfall, so plan for around 2°C daytime highs and -1.9°C at night.
Not quite — April is the 6th coolest month in Sept-Îles, averaging 0.1°C.
For April in Sept-Îles, pack warm layers and a jacket for chilly mornings, with typical highs of 2°C and lows of -1.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 85% — quite humid.
Average wind speed in April is 3.7 m/s. The windiest April on record averaged 4.6 m/s (1982).
The wettest April on record was 1983 with 192 mm. On average, April sees 83 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 April, 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 April specifically, along with year-by-year records and how the month has changed over the decades.
