June is one of the warmer months of the year in Thetford Mines, with average highs near 20.5°C and lows around 10.4°C (mean 15.5°C). It is a relatively wet time of year, averaging 117 mm of rainfall and 82% relative humidity across the period.
June is one of the warmer months of the year in Thetford Mines. Across 45 years of records, the warmest June in Thetford Mines was 1999 — when the month averaged 17.7°C — while the coldest was 1986 at 12.6°C. Typical June days reach 20.5°C with nights near 10.4°C. The long-term trend is warming, about 0.3°C per decade.
June is a relatively wet time of year in Thetford Mines, averaging 117 mm of rainfall. The wettest June on record was 2008 with 204 mm, while the driest was 1995 at 46 mm.
Relative humidity in Thetford Mines during June averages 82%. The most humid June was 2008 at 85%, and the least humid was 1995 at 78%.
June receives about 5.6 kWh/m²/day of solar energy in Thetford Mines. The sunniest June was 1995 at 6.5 kWh/m²/day, and the cloudiest was 1990 at 4.7.
Average wind speed in Thetford Mines during June is 0.1 m/s. The windiest Junes were 2023, 2024 and 2025, among others at 0.1 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.5°C | 15.8°C | 15.6°C | 15.3°C | 16.4°C | +1.9°C |
| Avg High | 19.6°C | 20.9°C | 20.7°C | 20.2°C | 21.5°C | +1.9°C |
| Avg Low | 9.4°C | 10.7°C | 10.5°C | 10.4°C | 11.4°C | +2°C |
| Avg Rain | 112 mm | 117 mm | 115 mm | 126 mm | 111 mm | -1 mm |
June temperatures in Thetford Mines have risen by about 1.9°C between 1981–1985 and 2021–2025.
June has ranged from a record low of -0.8°C (1986) to a record high of 31.7°C (2023).
Rainfall in June is a relatively wet time of year, averaging 117 mm, with a wettest year of 204 mm.
One of the best times to visit Thetford Mines
June is one of the best times to visit Thetford Mines. Expect days averaging 20.5°C and nights around 10.4°C (mean 15.5°C) — warmer than Thetford Mines's yearly average — with higher rainfall (117 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 | 21.8°C | 16.5°C | 11.2°C | 30.2°C | 4.7°C | 111 mm | 80% | 0.1 m/s | 5.5 |
| 2024 | 22.5°C | 17.5°C | 12.6°C | 29.1°C | 6.4°C | 152 mm | 82% | 0.1 m/s | 5.7 |
| 2023 | 20.2°C | 15.5°C | 10.8°C | 31.7°C | 3.2°C | 137 mm | 84% | 0.1 m/s | 4.8 |
| 2022 | 20.6°C | 15.3°C | 10.0°C | 28.1°C | 4.1°C | 111 mm | 81% | 0.1 m/s | 5.7 |
| 2021 | 22.2°C | 17.5°C | 12.8°C | 28.8°C | 6.2°C | 93 mm | 81% | 0.1 m/s | 5.6 |
| 2020 | 21.8°C | 16.3°C | 10.8°C | 30.6°C | 1.2°C | 64 mm | 81% | 0.1 m/s | 6.1 |
| 2019 | 20.0°C | 14.8°C | 9.6°C | 26.5°C | 3.5°C | 128 mm | 81% | 0.1 m/s | 5.8 |
| 2018 | 20.0°C | 14.8°C | 9.6°C | 25.5°C | 3.8°C | 95 mm | 80% | 0.1 m/s | 6.1 |
| 2017 | 20.0°C | 15.4°C | 10.8°C | 27.2°C | 5.0°C | 113 mm | 84% | 0.1 m/s | 5.7 |
| 2016 | 20.1°C | 15.3°C | 10.6°C | 27.2°C | 4.1°C | 95 mm | 81% | 0.1 m/s | 5.7 |
| 2015 | 19.4°C | 14.3°C | 9.2°C | 24.0°C | 3.7°C | 157 mm | 81% | 0.1 m/s | 5.5 |
| 2014 | 21.1°C | 16.1°C | 11.1°C | 26.5°C | 7.0°C | 129 mm | 81% | 0.1 m/s | 5.8 |
| 2013 | 19.8°C | 15.3°C | 10.8°C | 27.0°C | 4.6°C | 131 mm | 85% | 0.1 m/s | 4.9 |
| 2012 | 20.9°C | 16.1°C | 11.2°C | 28.6°C | 4.9°C | 140 mm | 82% | 0.1 m/s | 5.9 |
| 2011 | 20.5°C | 15.5°C | 10.5°C | 26.2°C | 3.4°C | 112 mm | 81% | 0.1 m/s | 5.4 |
| 2010 | 20.2°C | 15.5°C | 10.8°C | 26.4°C | 6.1°C | 159 mm | 83% | 0.1 m/s | 5.4 |
| 2009 | 19.6°C | 14.7°C | 9.9°C | 26.1°C | 1.2°C | 120 mm | 83% | 0.1 m/s | 5.5 |
| 2008 🌧️ | 21.1°C | 16.5°C | 12.0°C | 27.1°C | 7.8°C | 204 mm | 85% | 0.1 m/s | 4.9 |
| 2007 | 21.3°C | 15.9°C | 10.4°C | 27.4°C | 3.2°C | 104 mm | 81% | 0.1 m/s | 5.9 |
| 2006 | 21.3°C | 16.5°C | 11.7°C | 27.6°C | 6.5°C | 125 mm | 83% | 0.1 m/s | 5.2 |
| 2005 | 22.7°C | 17.5°C | 12.4°C | 29.0°C | 6.0°C | 99 mm | 83% | 0.1 m/s | 5.7 |
| 2004 | 19.0°C | 13.6°C | 8.2°C | 25.5°C | 2.8°C | 85 mm | 79% | 0.1 m/s | 5.8 |
| 2003 | 21.4°C | 15.9°C | 10.3°C | 29.9°C | 2.7°C | 92 mm | 79% | 0.1 m/s | 6.1 |
| 2002 | 19.9°C | 14.5°C | 9.2°C | 26.0°C | 0.4°C | 107 mm | 80% | 0.1 m/s | 5.7 |
| 2001 | 21.7°C | 16.6°C | 11.6°C | 29.4°C | 3.3°C | 103 mm | 82% | 0.1 m/s | 5.8 |
| 2000 | 19.1°C | 14.0°C | 8.9°C | 26.1°C | 2.7°C | 111 mm | 81% | 0.1 m/s | 5.3 |
| 1999 🔥 | 22.9°C | 17.7°C | 12.5°C | 27.6°C | 4.3°C | 148 mm | 81% | 0.1 m/s | 5.7 |
| 1998 | 20.6°C | 15.8°C | 11.0°C | 27.8°C | 3.1°C | 121 mm | 82% | 0.1 m/s | 4.9 |
| 1997 | 21.6°C | 16.2°C | 10.8°C | 27.3°C | 5.4°C | 72 mm | 79% | 0.1 m/s | 6.4 |
| 1996 | 20.8°C | 15.8°C | 10.7°C | 26.4°C | 6.1°C | 113 mm | 84% | 0.1 m/s | 5.2 |
| 1995 | 22.2°C | 16.5°C | 10.8°C | 28.7°C | 5.1°C | 46 mm | 78% | 0.1 m/s | 6.5 |
| 1994 | 21.6°C | 16.5°C | 11.4°C | 30.2°C | 2.8°C | 174 mm | 83% | 0.1 m/s | 5.5 |
| 1993 | 19.6°C | 14.5°C | 9.4°C | 25.5°C | 3.2°C | 142 mm | 83% | 0.1 m/s | 5.7 |
| 1992 | 19.1°C | 14.4°C | 9.7°C | 25.2°C | 3.9°C | 110 mm | 83% | 0.1 m/s | 5.5 |
| 1991 | 20.5°C | 15.2°C | 10.0°C | 26.9°C | 5.4°C | 84 mm | 79% | 0.1 m/s | 6.4 |
| 1990 | 20.5°C | 15.6°C | 10.7°C | 26.1°C | 1.7°C | 160 mm | 84% | 0.1 m/s | 4.7 |
| 1989 | 20.8°C | 15.6°C | 10.5°C | 28.2°C | 4.1°C | 94 mm | 82% | 0.1 m/s | 5.4 |
| 1988 | 18.8°C | 13.7°C | 8.7°C | 27.3°C | 2.8°C | 85 mm | 79% | 0.1 m/s | 6.3 |
| 1987 | 20.5°C | 15.4°C | 10.4°C | 26.5°C | 4.1°C | 133 mm | 81% | 0.1 m/s | 5.5 |
| 1986 ❄️ | 18.1°C | 12.6°C | 7.0°C | 24.8°C | -0.8°C | 129 mm | 79% | 0.1 m/s | 5.8 |
| 1985 | 17.8°C | 13.1°C | 8.4°C | 23.1°C | 2.7°C | 122 mm | 83% | 0.1 m/s | 5.1 |
| 1984 | 20.3°C | 15.0°C | 9.7°C | 26.1°C | 2.4°C | 99 mm | 81% | 0.1 m/s | 5.4 |
| 1983 | 20.7°C | 15.5°C | 10.4°C | 27.7°C | 1.8°C | 57 mm | 82% | 0.1 m/s | — |
| 1982 | 18.8°C | 14.0°C | 9.2°C | 27.6°C | 2.9°C | 144 mm | 81% | 0.1 m/s | — |
| 1981 | 20.4°C | 15.5°C | 10.5°C | 25.9°C | 3.9°C | 143 mm | 82% | 0.1 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 20.5°C with lows near 10.4°C (mean 15.5°C), based on 45 years of NASA POWER data.
June averages 117 mm of rainfall in Thetford Mines, a relatively wet time of year. The wettest on record was 204 mm in 2008.
The hottest June reached 31.7°C in 2023. The coldest dipped to -0.8°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 1.9°C. Daytime highs moved from 19.6°C to 21.5°C and overnight lows from 9.6°C to 11.5°C over the same span.
June is one of the warmer months of the year in Thetford Mines and a relatively wet time of year, so plan for around 20.5°C daytime highs and 10.4°C at night.
Not quite — June is the 10th coolest month in Thetford Mines, averaging 15.5°C.
For June in Thetford Mines, pack light layers you can adjust through the day, with typical highs of 20.5°C and lows of 10.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 82% — quite humid.
Average wind speed in June is 0.1 m/s. The windiest June on record averaged 0.1 m/s (1981).
The wettest June on record was 2008 with 204 mm. On average, June sees 117 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 Thetford Mines 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.
