June is one of the warmer months of the year in Sault Ste. Marie, with average highs near 18.3°C and lows around 8.6°C (mean 13.5°C). It is about average for rainfall, averaging 84 mm of rainfall and 82% relative humidity across the period.
June is one of the warmer months of the year in Sault Ste. Marie. Across 45 years of records, the warmest June in Sault Ste. Marie was 2005 — when the month averaged 16.6°C — while the coldest was 1982 at 10.6°C. Typical June days reach 18.3°C with nights near 8.6°C. The long-term trend is warming, about 0.4°C per decade.
June is about average for rainfall in Sault Ste. Marie, averaging 84 mm of rainfall. The wettest June on record was 2010 with 170 mm, while the driest was 2006 at 22 mm.
Relative humidity in Sault Ste. Marie during June averages 82%. The most humid June was 2008 at 88%, and the least humid was 2006 at 74%.
June receives about 5.9 kWh/m²/day of solar energy in Sault Ste. Marie. The sunniest June was 2018 at 6.7 kWh/m²/day, and the cloudiest was 1996 at 5.
Average wind speed in Sault Ste. Marie during June is 1.2 m/s. The windiest Junes were 2012, 2016 and 2024 at 1.4 m/s, while the calmest was 2003 at 0.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 12.6°C | 13.5°C | 13.5°C | 13.6°C | 14.7°C | +2.1°C |
| Avg High | 17.5°C | 18.4°C | 18.4°C | 18.2°C | 19.4°C | +1.9°C |
| Avg Low | 7.7°C | 8.5°C | 8.6°C | 8.9°C | 9.9°C | +2.2°C |
| Avg Rain | 76 mm | 80 mm | 73 mm | 100 mm | 98 mm | +22 mm |
June temperatures in Sault Ste. Marie have risen by about 2.5°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 0.3°C (1983) to a record high of 28.2°C (2007).
Rainfall in June is about average for rainfall, averaging 84 mm, with a wettest year of 170 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.
One of the best times to visit Sault Ste. Marie
June is one of the best times to visit Sault Ste. Marie. Expect days averaging 18.3°C and nights around 8.6°C (mean 13.5°C) — warmer than Sault Ste. Marie's yearly average — with higher rainfall (84 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 19.6°C | 14.6°C | 9.6°C | 26.5°C | 3.4°C | 97 mm | 84% | 1.1 m/s | 5.7 |
| 2024 | 19.0°C | 14.6°C | 10.3°C | 26.2°C | 5.4°C | 141 mm | 84% | 1.4 m/s | 5.4 |
| 2023 | 20.3°C | 15.4°C | 10.4°C | 26.2°C | 5.6°C | 57 mm | 81% | 1.1 m/s | 6 |
| 2022 | 17.7°C | 12.9°C | 8.1°C | 25.0°C | 3.4°C | 81 mm | 84% | 1.3 m/s | 6.1 |
| 2021 | 20.6°C | 16.1°C | 11.6°C | 27.1°C | 5.8°C | 103 mm | 83% | 1.2 m/s | 6.2 |
| 2020 | 19.4°C | 14.3°C | 9.2°C | 26.4°C | 3.9°C | 108 mm | 82% | 1.2 m/s | 6.4 |
| 2019 | 16.8°C | 12.1°C | 7.4°C | 23.3°C | 3.1°C | 131 mm | 82% | 1.1 m/s | 6.5 |
| 2018 | 18.6°C | 13.8°C | 9.0°C | 26.5°C | 3.9°C | 58 mm | 82% | 1.1 m/s | 6.7 |
| 2017 | 18.2°C | 13.6°C | 9.0°C | 22.4°C | 2.3°C | 130 mm | 86% | 1.2 m/s | 5.6 |
| 2016 | 18.1°C | 13.6°C | 9.1°C | 25.1°C | 3.6°C | 50 mm | 83% | 1.4 m/s | 6.1 |
| 2015 | 17.0°C | 12.2°C | 7.5°C | 22.0°C | 4.3°C | 59 mm | 85% | 1.1 m/s | 5.8 |
| 2014 | 18.1°C | 13.4°C | 8.6°C | 22.2°C | 4.3°C | 87 mm | 83% | 1.1 m/s | 5.8 |
| 2013 | 18.6°C | 14.1°C | 9.5°C | 26.1°C | 2.2°C | 85 mm | 82% | 1.1 m/s | 5.8 |
| 2012 | 20.3°C | 15.7°C | 11.1°C | 25.8°C | 5.4°C | 128 mm | 82% | 1.4 m/s | 6.3 |
| 2011 | 17.6°C | 13.0°C | 8.3°C | 22.5°C | 3.6°C | 99 mm | 83% | 1.3 m/s | 5.5 |
| 2010 🌧️ | 18.8°C | 14.3°C | 9.8°C | 23.2°C | 5.6°C | 170 mm | 83% | 1.3 m/s | 5.2 |
| 2009 | 17.2°C | 12.5°C | 7.7°C | 25.5°C | 2.2°C | 73 mm | 83% | 1.1 m/s | 6 |
| 2008 | 17.0°C | 12.6°C | 8.2°C | 23.0°C | 4.7°C | 78 mm | 88% | 1.2 m/s | 5.4 |
| 2007 | 21.4°C | 15.8°C | 10.1°C | 28.2°C | 2.2°C | 54 mm | 75% | 1.2 m/s | 6.5 |
| 2006 | 20.5°C | 15.3°C | 10.2°C | 26.6°C | 4.0°C | 22 mm | 74% | 1 m/s | 6.2 |
| 2005 🔥 | 21.7°C | 16.6°C | 11.5°C | 26.3°C | 7.4°C | 50 mm | 81% | 1.1 m/s | 6.2 |
| 2004 | 15.8°C | 11.0°C | 6.3°C | 20.7°C | 2.6°C | 83 mm | 85% | 1.2 m/s | 6.3 |
| 2003 | 17.6°C | 12.1°C | 6.7°C | 23.7°C | 0.9°C | 67 mm | 82% | 0.9 m/s | 6.5 |
| 2002 | 17.8°C | 13.1°C | 8.5°C | 24.6°C | 2.7°C | 108 mm | 87% | 1.2 m/s | 5.3 |
| 2001 | 17.8°C | 13.2°C | 8.5°C | 23.4°C | 3.5°C | 74 mm | 85% | 1 m/s | 6 |
| 2000 | 16.9°C | 12.4°C | 7.9°C | 21.0°C | 3.8°C | 119 mm | 84% | 1.2 m/s | 5.2 |
| 1999 | 18.5°C | 13.7°C | 9.0°C | 25.1°C | 2.3°C | 73 mm | 84% | 1.2 m/s | 6 |
| 1998 | 18.3°C | 13.9°C | 9.4°C | 24.6°C | 0.8°C | 86 mm | 85% | 1.3 m/s | 5.7 |
| 1997 | 18.2°C | 13.0°C | 7.8°C | 22.1°C | 4.1°C | 63 mm | 85% | 1 m/s | 6.5 |
| 1996 | 18.0°C | 13.3°C | 8.5°C | 24.7°C | 4.6°C | 94 mm | 87% | 1 m/s | 5 |
| 1995 | 21.1°C | 15.6°C | 10.1°C | 27.2°C | 4.0°C | 60 mm | 79% | 1 m/s | 6.2 |
| 1994 | 18.9°C | 13.9°C | 8.9°C | 27.2°C | 2.4°C | 76 mm | 81% | 1.1 m/s | 6 |
| 1993 | 16.7°C | 12.1°C | 7.4°C | 22.9°C | 1.6°C | 99 mm | 84% | 1.1 m/s | 5.5 |
| 1992 | 17.2°C | 11.9°C | 6.5°C | 23.2°C | 2.5°C | 53 mm | 74% | 1.1 m/s | 5.8 |
| 1991 | 20.2°C | 15.0°C | 9.8°C | 25.0°C | 5.1°C | 41 mm | 79% | 1.1 m/s | 6.3 |
| 1990 | 17.2°C | 12.5°C | 7.7°C | 21.7°C | 1.4°C | 150 mm | 85% | 1.2 m/s | 5.3 |
| 1989 | 17.6°C | 12.9°C | 8.2°C | 23.6°C | 1.2°C | 79 mm | 84% | 1 m/s | 5.5 |
| 1988 | 18.5°C | 13.0°C | 7.6°C | 24.1°C | 3.0°C | 26 mm | 76% | 1.2 m/s | 6.4 |
| 1987 | 19.8°C | 14.8°C | 9.7°C | 27.0°C | 3.0°C | 80 mm | 79% | 1.1 m/s | 5.8 |
| 1986 | 16.2°C | 11.3°C | 6.4°C | 22.3°C | 1.3°C | 113 mm | 80% | 1.2 m/s | 5.8 |
| 1985 | 15.5°C | 10.9°C | 6.3°C | 24.3°C | 0.9°C | 59 mm | 82% | 1.3 m/s | 5.9 |
| 1984 | 17.7°C | 13.0°C | 8.4°C | 22.8°C | 4.5°C | 111 mm | 85% | 1.2 m/s | 5.1 |
| 1983 | 18.8°C | 13.7°C | 8.7°C | 24.1°C | 0.3°C | 40 mm | 83% | 1.1 m/s | — |
| 1982 ❄️ | 15.7°C | 10.6°C | 5.6°C | 22.7°C | 0.5°C | 48 mm | 80% | 1.1 m/s | — |
| 1981 | 17.8°C | 13.0°C | 8.2°C | 23.0°C | 3.8°C | 131 mm | 84% | 1.2 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 18.3°C with lows near 8.6°C (mean 13.5°C), based on 45 years of NASA POWER data.
June averages 84 mm of rainfall in Sault Ste. Marie, about average for rainfall. The wettest on record was 170 mm in 2010.
The hottest June reached 28.2°C in 2007. The coldest dipped to 0.3°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 2.5°C. Daytime highs moved from 17.1°C to 19.4°C and overnight lows from 7.4°C to 10°C over the same span.
June is one of the warmer months of the year in Sault Ste. Marie and about average for rainfall, so plan for around 18.3°C daytime highs and 8.6°C at night.
Not quite — June is the 9th coolest month in Sault Ste. Marie, averaging 13.5°C.
For June in Sault Ste. Marie, pack light layers you can adjust through the day, with typical highs of 18.3°C and lows of 8.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 82% — quite humid.
Average wind speed in June is 1.2 m/s. The windiest June on record averaged 1.4 m/s (2012).
The wettest June on record was 2010 with 170 mm. On average, June sees 84 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 Sault Ste. Marie behaves each June, 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 June specifically, along with year-by-year records and how the month has changed over the decades.
