June is one of the warmer months of the year in Corner Brook, with average highs near 14.8°C and lows around 6.9°C (mean 10.9°C). It is about average for rainfall, averaging 103 mm of rainfall and 83% relative humidity across the period.
June is one of the warmer months of the year in Corner Brook. Across 45 years of records, the warmest June in Corner Brook was 2006 — when the month averaged 13.9°C — while the coldest was 2018 at 8.1°C. Typical June days reach 14.8°C with nights near 6.9°C. The long-term trend is warming, about 0.4°C per decade.
June is about average for rainfall in Corner Brook, averaging 103 mm of rainfall. The wettest June on record was 1995 with 186 mm, while the driest was 2012 at 37 mm.
Relative humidity in Corner Brook during June averages 83%. The most humid June was 2024 at 87%, and the least humid was 2003 at 80%.
June receives about 5 kWh/m²/day of solar energy in Corner Brook. The sunniest June was 2003 at 6.2 kWh/m²/day, and the cloudiest was 2011 at 3.7.
Average wind speed in Corner Brook during June is 1 m/s. The windiest June was 1986 at 1.4 m/s, while the calmest was 1992 at 0.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.4°C | 10.5°C | 11.0°C | 10.6°C | 12.3°C | +1.9°C |
| Avg High | 14.3°C | 14.6°C | 14.9°C | 14.5°C | 16.3°C | +2°C |
| Avg Low | 6.4°C | 6.4°C | 7.0°C | 6.7°C | 8.3°C | +1.9°C |
| Avg Rain | 130 mm | 104 mm | 92 mm | 94 mm | 91 mm | -39 mm |
June temperatures in Corner Brook have risen by about 2°C between 1981–1985 and 2021–2025.
June has ranged from a record low of -1.6°C (1994) to a record high of 25.7°C (2020).
Rainfall in June is about average for rainfall, averaging 103 mm, with a wettest year of 186 mm.
One of the best times to visit Corner Brook
June is one of the best times to visit Corner Brook. Expect days averaging 14.8°C and nights around 6.9°C (mean 10.9°C) — warmer than Corner Brook's yearly average — with higher rainfall (103 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 | 15.8°C | 11.8°C | 7.7°C | 22.4°C | 4.6°C | 74 mm | 83% | 1.1 m/s | 5.5 |
| 2024 | 16.6°C | 12.9°C | 9.2°C | 22.2°C | 3.6°C | 106 mm | 87% | 1 m/s | 4.6 |
| 2023 | 15.5°C | 11.6°C | 7.7°C | 23.1°C | 1.3°C | 109 mm | 86% | 1 m/s | 4.1 |
| 2022 | 16.6°C | 12.6°C | 8.6°C | 22.1°C | 2.3°C | 80 mm | 82% | 1 m/s | 5.7 |
| 2021 | 16.6°C | 12.5°C | 8.5°C | 23.1°C | 3.7°C | 103 mm | 83% | 1.1 m/s | 5.4 |
| 2020 | 16.9°C | 12.6°C | 8.3°C | 25.7°C | 0.9°C | 73 mm | 83% | 1 m/s | 4.8 |
| 2019 | 14.1°C | 10.3°C | 6.6°C | 20.1°C | 3.0°C | 143 mm | 83% | 1 m/s | 4.9 |
| 2018 ❄️ | 12.2°C | 8.1°C | 3.9°C | 20.4°C | -1.3°C | 104 mm | 81% | 1.2 m/s | 5.4 |
| 2017 | 14.5°C | 10.7°C | 7.0°C | 20.5°C | 2.0°C | 113 mm | 86% | 1 m/s | 5 |
| 2016 | 14.6°C | 10.8°C | 7.1°C | 19.9°C | 0.3°C | 108 mm | 83% | 1.1 m/s | 4.9 |
| 2015 | 14.0°C | 10.0°C | 6.1°C | 17.8°C | 1.8°C | 63 mm | 82% | 1.1 m/s | 5.2 |
| 2014 | 15.9°C | 11.8°C | 7.6°C | 23.0°C | 2.9°C | 92 mm | 83% | 0.9 m/s | 5.2 |
| 2013 | 14.3°C | 10.6°C | 6.9°C | 19.9°C | 2.7°C | 76 mm | 84% | 1.1 m/s | 4.7 |
| 2012 | 16.9°C | 12.5°C | 8.0°C | 23.6°C | 3.0°C | 37 mm | 81% | 1 m/s | 5.8 |
| 2011 | 14.8°C | 11.2°C | 7.5°C | 21.0°C | 2.6°C | 76 mm | 85% | 1.1 m/s | 3.7 |
| 2010 | 13.7°C | 9.8°C | 6.0°C | 19.1°C | 2.0°C | 127 mm | 82% | 1.2 m/s | 5.4 |
| 2009 | 16.6°C | 12.3°C | 8.0°C | 24.7°C | 2.2°C | 100 mm | 82% | 0.9 m/s | 5.4 |
| 2008 | 14.6°C | 11.1°C | 7.7°C | 19.5°C | 2.9°C | 118 mm | 87% | 1 m/s | 4.2 |
| 2007 | 16.6°C | 12.2°C | 7.9°C | 21.9°C | 0.3°C | 48 mm | 84% | 0.9 m/s | 4.8 |
| 2006 🔥 | 17.9°C | 13.9°C | 9.9°C | 22.9°C | 5.6°C | 119 mm | 83% | 0.9 m/s | 4.6 |
| 2005 | 15.0°C | 10.7°C | 6.5°C | 19.8°C | 3.1°C | 66 mm | 82% | 1 m/s | 5.4 |
| 2004 | 12.1°C | 8.6°C | 5.1°C | 18.1°C | 1.4°C | 114 mm | 85% | 1 m/s | 4.8 |
| 2003 | 15.2°C | 10.8°C | 6.3°C | 24.6°C | 0.6°C | 75 mm | 80% | 1.1 m/s | 6.2 |
| 2002 | 12.7°C | 9.1°C | 5.5°C | 22.2°C | 1.7°C | 93 mm | 83% | 1 m/s | 5 |
| 2001 | 15.0°C | 11.3°C | 7.6°C | 20.0°C | 3.5°C | 80 mm | 83% | 1.1 m/s | 5.3 |
| 2000 | 13.8°C | 9.9°C | 5.9°C | 21.8°C | 0.3°C | 104 mm | 82% | 1.2 m/s | 5.3 |
| 1999 | 17.4°C | 12.8°C | 8.1°C | 22.9°C | 2.4°C | 53 mm | 81% | 1 m/s | 5.6 |
| 1998 | 15.6°C | 11.3°C | 7.0°C | 21.9°C | 2.1°C | 62 mm | 82% | 1 m/s | 5.3 |
| 1997 | 14.4°C | 10.1°C | 5.7°C | 24.4°C | 0.6°C | 113 mm | 81% | 1 m/s | 5.6 |
| 1996 | 14.2°C | 10.2°C | 6.2°C | 20.9°C | 0.8°C | 79 mm | 84% | 1 m/s | 5.1 |
| 1995 🌧️ | 13.8°C | 10.0°C | 6.1°C | 20.4°C | 1.1°C | 186 mm | 84% | 1 m/s | 5 |
| 1994 | 14.4°C | 10.4°C | 6.4°C | 20.1°C | -1.6°C | 151 mm | 85% | 1.1 m/s | 4.5 |
| 1993 | 13.3°C | 9.5°C | 5.8°C | 19.6°C | 0.1°C | 112 mm | 84% | 1 m/s | 4.5 |
| 1992 | 14.6°C | 10.5°C | 6.4°C | 21.2°C | -0.1°C | 97 mm | 84% | 0.8 m/s | 4.4 |
| 1991 | 12.7°C | 9.0°C | 5.3°C | 22.4°C | 1.9°C | 101 mm | 86% | 1.1 m/s | 4.7 |
| 1990 | 15.6°C | 11.5°C | 7.4°C | 20.4°C | 1.7°C | 86 mm | 84% | 1 m/s | 5.5 |
| 1989 | 16.2°C | 12.2°C | 8.2°C | 24.2°C | 2.7°C | 85 mm | 83% | 0.9 m/s | 5.2 |
| 1988 | 13.6°C | 10.0°C | 6.4°C | 21.1°C | 2.1°C | 131 mm | 85% | 1.2 m/s | 4.6 |
| 1987 | 14.5°C | 10.7°C | 6.8°C | 18.7°C | 2.2°C | 81 mm | 82% | 1 m/s | 5 |
| 1986 | 13.1°C | 9.0°C | 4.9°C | 20.3°C | 1.7°C | 131 mm | 81% | 1.4 m/s | 5.7 |
| 1985 | 14.6°C | 10.5°C | 6.3°C | 21.8°C | 2.7°C | 159 mm | 84% | 0.9 m/s | 5.4 |
| 1984 | 13.0°C | 9.2°C | 5.4°C | 18.7°C | 0.8°C | 173 mm | 85% | 1.2 m/s | 4.2 |
| 1983 | 15.5°C | 11.4°C | 7.3°C | 22.4°C | 3.9°C | 146 mm | 84% | 1 m/s | — |
| 1982 | 13.5°C | 9.7°C | 5.9°C | 17.4°C | 2.1°C | 112 mm | 82% | 0.9 m/s | — |
| 1981 | 14.7°C | 10.8°C | 6.8°C | 20.7°C | 2.0°C | 154 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 14.8°C with lows near 6.9°C (mean 10.9°C), based on 45 years of NASA POWER data.
June averages 103 mm of rainfall in Corner Brook, about average for rainfall. The wettest on record was 186 mm in 1995.
The hottest June reached 25.7°C in 2020. The coldest dipped to -1.6°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 2°C. Daytime highs moved from 14.3°C to 16.2°C and overnight lows from 6.3°C to 8.3°C over the same span.
June is one of the warmer months of the year in Corner Brook and about average for rainfall, so plan for around 14.8°C daytime highs and 6.9°C at night.
Not quite — June is the 9th coolest month in Corner Brook, averaging 10.9°C.
For June in Corner Brook, pack warm layers and a jacket for chilly mornings, with typical highs of 14.8°C and lows of 6.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 83% — quite humid.
Average wind speed in June is 1 m/s. The windiest June on record averaged 1.4 m/s (1986).
The wettest June on record was 1995 with 186 mm. On average, June sees 103 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 Corner Brook 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.
