June is one of the warmer months of the year in Joliette, with average highs near 21.9°C and lows around 11.3°C (mean 16.6°C). It is a relatively wet time of year, averaging 96 mm of rainfall and 79% relative humidity across the period.
June is one of the warmer months of the year in Joliette. Across 45 years of records, the warmest Junes in Joliette were 1995 and 2005 — when the month averaged 19.1°C — while the coldest was 1986 at 13.6°C. Typical June days reach 21.9°C with nights near 11.3°C. The long-term trend is warming, about 0.3°C per decade.
June is a relatively wet time of year in Joliette, averaging 96 mm of rainfall. The wettest June on record was 2014 with 149 mm, while the driest was 1991 at 39 mm.
Relative humidity in Joliette during June averages 79%. The most humid June was 2008 at 84%, and the least humid was 1995 at 66%.
June receives about 5.7 kWh/m²/day of solar energy in Joliette. The sunniest June was 1997 at 6.8 kWh/m²/day, and the cloudiest was 1990 at 4.8.
Average wind speed in Joliette during June is 1 m/s. The windiest Junes were 2004, 2016 and 2021, among others at 1.1 m/s, while the calmest were 1983, 2009 and 2023 at 0.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.5°C | 17.1°C | 16.7°C | 16.4°C | 17.7°C | +2.2°C |
| Avg High | 20.9°C | 22.6°C | 21.9°C | 21.5°C | 23.0°C | +2.1°C |
| Avg Low | 10.2°C | 11.6°C | 11.4°C | 11.3°C | 12.3°C | +2.1°C |
| Avg Rain | 101 mm | 79 mm | 109 mm | 107 mm | 75 mm | -27 mm |
June temperatures in Joliette have risen by about 2.1°C between 1981–1985 and 2021–2025.
June has ranged from a record low of -0.8°C (1986) to a record high of 33.7°C (1995).
Rainfall in June is a relatively wet time of year, averaging 96 mm, with a wettest year of 149 mm.
One of the best times to visit Joliette
June is one of the best times to visit Joliette. Expect days averaging 21.9°C and nights around 11.3°C (mean 16.6°C) — warmer than Joliette's yearly average — with higher rainfall (96 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 | 23.6°C | 18.0°C | 12.4°C | 32.6°C | 4.7°C | 54 mm | 75% | 1 m/s | 5.6 |
| 2024 | 23.9°C | 18.4°C | 13.0°C | 30.7°C | 6.8°C | 97 mm | 78% | 1 m/s | 5.7 |
| 2023 | 22.1°C | 17.2°C | 12.2°C | 32.0°C | 5.2°C | 67 mm | 79% | 0.8 m/s | 5 |
| 2022 | 21.5°C | 16.5°C | 11.5°C | 29.1°C | 6.5°C | 96 mm | 80% | 1 m/s | 5.3 |
| 2021 | 24.0°C | 18.6°C | 13.2°C | 30.5°C | 6.0°C | 77 mm | 76% | 1.1 m/s | 5.6 |
| 2020 | 22.8°C | 17.2°C | 11.6°C | 30.0°C | 2.3°C | 57 mm | 78% | 0.9 m/s | 6.1 |
| 2019 | 21.0°C | 15.9°C | 10.7°C | 27.5°C | 3.3°C | 86 mm | 79% | 1 m/s | 5.7 |
| 2018 | 21.5°C | 16.1°C | 10.7°C | 27.8°C | 5.3°C | 89 mm | 79% | 1 m/s | 6.3 |
| 2017 | 21.1°C | 16.3°C | 11.5°C | 28.0°C | 5.8°C | 119 mm | 83% | 1 m/s | 5.5 |
| 2016 | 21.6°C | 16.5°C | 11.4°C | 28.0°C | 4.5°C | 78 mm | 79% | 1.1 m/s | 5.9 |
| 2015 | 20.6°C | 15.2°C | 9.8°C | 26.2°C | 3.7°C | 115 mm | 80% | 0.9 m/s | 5.6 |
| 2014 🌧️ | 22.5°C | 17.5°C | 12.4°C | 28.1°C | 8.1°C | 149 mm | 79% | 0.9 m/s | 5.9 |
| 2013 | 20.6°C | 16.0°C | 11.4°C | 27.7°C | 4.5°C | 136 mm | 83% | 0.9 m/s | 4.9 |
| 2012 | 22.6°C | 17.4°C | 12.2°C | 30.9°C | 5.5°C | 85 mm | 80% | 0.9 m/s | 6.1 |
| 2011 | 22.1°C | 16.7°C | 11.4°C | 27.7°C | 5.6°C | 91 mm | 80% | 1 m/s | 5.5 |
| 2010 | 21.5°C | 16.4°C | 11.2°C | 26.9°C | 6.8°C | 122 mm | 80% | 0.9 m/s | 5.3 |
| 2009 | 21.0°C | 15.9°C | 10.8°C | 28.3°C | 1.2°C | 94 mm | 80% | 0.8 m/s | 5.6 |
| 2008 | 22.3°C | 17.6°C | 12.8°C | 28.3°C | 7.2°C | 107 mm | 84% | 0.9 m/s | 5 |
| 2007 | 22.7°C | 17.0°C | 11.3°C | 28.7°C | 3.4°C | 88 mm | 79% | 0.9 m/s | 6.2 |
| 2006 | 22.3°C | 17.5°C | 12.7°C | 27.3°C | 8.8°C | 125 mm | 81% | 1 m/s | 5.3 |
| 2005 | 24.2°C | 19.1°C | 14.1°C | 29.4°C | 8.0°C | 122 mm | 83% | 1 m/s | 5.5 |
| 2004 | 20.4°C | 14.9°C | 9.3°C | 27.1°C | 4.0°C | 78 mm | 79% | 1.1 m/s | 6 |
| 2003 | 22.4°C | 16.6°C | 10.9°C | 32.5°C | 3.8°C | 100 mm | 78% | 1 m/s | 6.3 |
| 2002 | 20.6°C | 15.4°C | 10.3°C | 26.7°C | 1.8°C | 111 mm | 80% | 0.9 m/s | 5.6 |
| 2001 | 22.9°C | 17.7°C | 12.6°C | 30.5°C | 3.4°C | 135 mm | 80% | 0.9 m/s | 5.9 |
| 2000 | 20.0°C | 14.8°C | 9.6°C | 26.2°C | 3.0°C | 129 mm | 81% | 1 m/s | 5.2 |
| 1999 | 23.7°C | 18.3°C | 13.0°C | 29.0°C | 5.5°C | 95 mm | 78% | 0.9 m/s | 5.4 |
| 1998 | 21.9°C | 17.2°C | 12.4°C | 28.4°C | 3.8°C | 112 mm | 81% | 1 m/s | 4.9 |
| 1997 | 23.6°C | 17.6°C | 11.7°C | 28.9°C | 6.3°C | 48 mm | 76% | 1 m/s | 6.8 |
| 1996 | 22.2°C | 16.8°C | 11.4°C | 27.3°C | 6.8°C | 60 mm | 80% | 0.9 m/s | 5.5 |
| 1995 🔥 | 26.0°C | 19.1°C | 12.3°C | 33.7°C | 6.2°C | 40 mm | 66% | 1 m/s | 6.6 |
| 1994 | 23.0°C | 17.6°C | 12.3°C | 32.6°C | 3.8°C | 104 mm | 79% | 1 m/s | 5.5 |
| 1993 | 21.0°C | 15.6°C | 10.2°C | 27.6°C | 4.2°C | 66 mm | 79% | 1 m/s | 5.5 |
| 1992 | 20.5°C | 15.3°C | 10.0°C | 27.1°C | 5.1°C | 107 mm | 80% | 0.9 m/s | 5.9 |
| 1991 | 22.2°C | 16.8°C | 11.4°C | 28.5°C | 7.0°C | 39 mm | 77% | 1 m/s | 6.4 |
| 1990 | 21.5°C | 16.4°C | 11.4°C | 28.2°C | 3.8°C | 117 mm | 83% | 1 m/s | 4.8 |
| 1989 | 21.7°C | 16.5°C | 11.4°C | 30.7°C | 5.7°C | 109 mm | 82% | 0.9 m/s | 5.7 |
| 1988 | 20.6°C | 14.8°C | 9.1°C | 28.9°C | 3.1°C | 97 mm | 76% | 1.1 m/s | 6 |
| 1987 | 21.9°C | 16.7°C | 11.6°C | 28.0°C | 4.4°C | 123 mm | 80% | 1 m/s | 5.6 |
| 1986 ❄️ | 19.3°C | 13.6°C | 7.8°C | 25.2°C | -0.8°C | 120 mm | 78% | 1.1 m/s | 6.1 |
| 1985 | 19.0°C | 14.1°C | 9.2°C | 24.5°C | 4.5°C | 100 mm | 80% | 1.1 m/s | 5.3 |
| 1984 | 22.0°C | 16.2°C | 10.5°C | 27.7°C | 3.6°C | 89 mm | 79% | 1 m/s | 5.7 |
| 1983 | 22.0°C | 16.7°C | 11.4°C | 29.3°C | 1.1°C | 46 mm | 80% | 0.8 m/s | — |
| 1982 | 19.8°C | 14.7°C | 9.5°C | 25.1°C | 3.8°C | 105 mm | 80% | 0.9 m/s | — |
| 1981 | 21.7°C | 16.3°C | 10.9°C | 28.5°C | 4.1°C | 123 mm | 80% | 1 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 21.9°C with lows near 11.3°C (mean 16.6°C), based on 45 years of NASA POWER data.
June averages 96 mm of rainfall in Joliette, a relatively wet time of year. The wettest on record was 149 mm in 2014.
The hottest June reached 33.7°C in 1995. 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 2.1°C. Daytime highs moved from 20.9°C to 23°C and overnight lows from 10.3°C to 12.5°C over the same span.
June is one of the warmer months of the year in Joliette and a relatively wet time of year, so plan for around 21.9°C daytime highs and 11.3°C at night.
Not quite — June is the 10th coolest month in Joliette, averaging 16.6°C.
For June in Joliette, pack light layers you can adjust through the day, with typical highs of 21.9°C and lows of 11.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 79% — quite humid.
Average wind speed in June is 1 m/s. The windiest June on record averaged 1.1 m/s (1985).
The wettest June on record was 2014 with 149 mm. On average, June sees 96 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 Joliette 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.
