June is one of the warmer months of the year in L’Assomption, with average highs near 22.6°C and lows around 12.4°C (mean 17.5°C). It is a relatively wet time of year, averaging 95 mm of rainfall and 78% relative humidity across the period.
June is one of the warmer months of the year in L’Assomption. Across 45 years of records, the warmest June in L’Assomption was 2021 — when the month averaged 19.8°C — while the coldest was 1986 at 14.5°C. Typical June days reach 22.6°C with nights near 12.4°C. The long-term trend is warming, about 0.4°C per decade.
June is a relatively wet time of year in L’Assomption, averaging 95 mm of rainfall. The wettest June on record was 2014 with 161 mm, while the driest was 1983 at 42 mm.
Relative humidity in L’Assomption during June averages 78%. The most humid June was 2008 at 83%, and the least humid was 1995 at 71%.
June receives about 5.7 kWh/m²/day of solar energy in L’Assomption. The sunniest June was 1997 at 6.7 kWh/m²/day, and the cloudiest was 1990 at 4.7.
Average wind speed in L’Assomption during June is 2.2 m/s. The windiest June was 1986 at 2.7 m/s, while the calmest were 2009, 2010 and 2023, among others at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.5°C | 17.9°C | 17.5°C | 17.3°C | 18.7°C | +2.2°C |
| Avg High | 21.7°C | 23.1°C | 22.5°C | 22.3°C | 24.0°C | +2.3°C |
| Avg Low | 11.2°C | 12.7°C | 12.5°C | 12.3°C | 13.5°C | +2.3°C |
| Avg Rain | 96 mm | 85 mm | 105 mm | 109 mm | 72 mm | -24 mm |
June temperatures in L’Assomption have risen by about 2.3°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 0.6°C (1986) to a record high of 33.6°C (2025).
Rainfall in June is a relatively wet time of year, averaging 95 mm, with a wettest year of 161 mm.
One of the best times to visit L’Assomption
June is one of the best times to visit L’Assomption. Expect days averaging 22.6°C and nights around 12.4°C (mean 17.5°C) — warmer than L’Assomption's yearly average — with higher rainfall (95 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 | 24.6°C | 19.1°C | 13.6°C | 33.6°C | 6.4°C | 69 mm | 72% | 2.4 m/s | 5.9 |
| 2024 | 24.9°C | 19.7°C | 14.4°C | 31.5°C | 8.4°C | 90 mm | 76% | 2.3 m/s | 5.6 |
| 2023 | 22.7°C | 17.9°C | 13.1°C | 32.5°C | 6.4°C | 75 mm | 78% | 1.9 m/s | 5.4 |
| 2022 | 22.6°C | 17.5°C | 12.5°C | 29.8°C | 7.7°C | 85 mm | 77% | 2.3 m/s | 5.7 |
| 2021 🔥 | 25.1°C | 19.8°C | 14.5°C | 31.0°C | 7.8°C | 65 mm | 74% | 2.5 m/s | 6 |
| 2020 | 23.8°C | 18.3°C | 12.8°C | 30.4°C | 3.4°C | 46 mm | 76% | 2.1 m/s | 6.1 |
| 2019 | 22.0°C | 16.8°C | 11.5°C | 27.9°C | 4.0°C | 89 mm | 79% | 2.2 m/s | 5.9 |
| 2018 | 22.2°C | 17.0°C | 11.7°C | 28.3°C | 6.0°C | 78 mm | 78% | 2.2 m/s | 6.3 |
| 2017 | 22.0°C | 17.2°C | 12.5°C | 28.4°C | 5.7°C | 109 mm | 82% | 2.4 m/s | 5.5 |
| 2016 | 22.3°C | 17.5°C | 12.7°C | 28.9°C | 6.2°C | 78 mm | 78% | 2.5 m/s | 6 |
| 2015 | 21.3°C | 16.1°C | 10.9°C | 26.7°C | 4.2°C | 123 mm | 79% | 2.1 m/s | 5.7 |
| 2014 🌧️ | 23.3°C | 18.4°C | 13.5°C | 28.2°C | 9.2°C | 161 mm | 79% | 2 m/s | 6 |
| 2013 | 21.6°C | 17.0°C | 12.5°C | 28.2°C | 5.7°C | 126 mm | 81% | 2 m/s | 5.1 |
| 2012 | 23.2°C | 18.1°C | 13.1°C | 31.0°C | 6.5°C | 87 mm | 79% | 2.2 m/s | 6.2 |
| 2011 | 22.6°C | 17.5°C | 12.4°C | 28.2°C | 6.8°C | 101 mm | 79% | 2.2 m/s | 5.6 |
| 2010 | 22.2°C | 17.3°C | 12.4°C | 27.7°C | 7.4°C | 135 mm | 79% | 1.9 m/s | 5.1 |
| 2009 | 21.4°C | 16.6°C | 11.8°C | 27.9°C | 2.0°C | 108 mm | 80% | 1.9 m/s | 5.5 |
| 2008 | 23.0°C | 18.4°C | 13.9°C | 28.8°C | 8.6°C | 113 mm | 83% | 2 m/s | 5.2 |
| 2007 | 23.4°C | 17.9°C | 12.3°C | 29.1°C | 4.5°C | 84 mm | 79% | 2.2 m/s | 6.1 |
| 2006 | 22.8°C | 18.4°C | 14.1°C | 27.7°C | 10.4°C | 118 mm | 81% | 2.2 m/s | 5 |
| 2005 | 24.4°C | 19.6°C | 14.7°C | 29.4°C | 8.6°C | 122 mm | 83% | 2.2 m/s | 5.8 |
| 2004 | 21.3°C | 15.8°C | 10.3°C | 27.6°C | 4.7°C | 79 mm | 78% | 2.5 m/s | 6.3 |
| 2003 | 23.1°C | 17.5°C | 11.9°C | 32.2°C | 4.7°C | 76 mm | 77% | 2.2 m/s | 6.1 |
| 2002 | 21.3°C | 16.3°C | 11.4°C | 27.1°C | 3.0°C | 104 mm | 79% | 2.1 m/s | 5.4 |
| 2001 | 23.5°C | 18.6°C | 13.6°C | 30.4°C | 5.1°C | 118 mm | 79% | 2.1 m/s | 6 |
| 2000 | 20.7°C | 15.7°C | 10.8°C | 26.9°C | 4.7°C | 124 mm | 80% | 2.3 m/s | 5.1 |
| 1999 | 24.6°C | 19.5°C | 14.4°C | 30.0°C | 6.8°C | 110 mm | 77% | 2.1 m/s | 5.8 |
| 1998 | 22.5°C | 18.0°C | 13.5°C | 28.8°C | 5.1°C | 100 mm | 79% | 2.3 m/s | 5 |
| 1997 | 24.2°C | 18.4°C | 12.7°C | 29.6°C | 7.2°C | 58 mm | 76% | 2.3 m/s | 6.7 |
| 1996 | 22.8°C | 17.6°C | 12.4°C | 26.9°C | 8.0°C | 65 mm | 80% | 2 m/s | 5 |
| 1995 | 25.2°C | 19.1°C | 12.9°C | 33.2°C | 8.1°C | 44 mm | 71% | 2.2 m/s | 6.6 |
| 1994 | 23.7°C | 18.5°C | 13.3°C | 31.8°C | 4.8°C | 137 mm | 79% | 2.3 m/s | 5.7 |
| 1993 | 21.9°C | 16.6°C | 11.4°C | 27.8°C | 4.9°C | 87 mm | 79% | 2.2 m/s | 5.4 |
| 1992 | 21.4°C | 16.3°C | 11.3°C | 27.3°C | 6.7°C | 97 mm | 79% | 2.2 m/s | 5.9 |
| 1991 | 22.8°C | 17.6°C | 12.4°C | 29.0°C | 7.6°C | 49 mm | 77% | 2.4 m/s | 6.3 |
| 1990 | 22.2°C | 17.2°C | 12.3°C | 28.0°C | 4.9°C | 108 mm | 82% | 2.3 m/s | 4.7 |
| 1989 | 22.5°C | 17.5°C | 12.4°C | 30.4°C | 7.0°C | 94 mm | 80% | 2 m/s | 5.5 |
| 1988 | 21.3°C | 15.8°C | 10.2°C | 29.5°C | 4.1°C | 89 mm | 75% | 2.5 m/s | 6.2 |
| 1987 | 22.6°C | 17.6°C | 12.5°C | 28.4°C | 5.8°C | 121 mm | 78% | 2.4 m/s | 5.6 |
| 1986 ❄️ | 20.3°C | 14.5°C | 8.7°C | 26.1°C | 0.6°C | 120 mm | 77% | 2.7 m/s | 5.9 |
| 1985 | 19.8°C | 15.0°C | 10.1°C | 24.6°C | 5.8°C | 98 mm | 79% | 2.6 m/s | 5 |
| 1984 | 22.7°C | 17.2°C | 11.7°C | 27.9°C | 5.0°C | 80 mm | 79% | 2.4 m/s | 5.7 |
| 1983 | 22.7°C | 17.5°C | 12.3°C | 30.2°C | 2.1°C | 42 mm | 80% | 1.9 m/s | — |
| 1982 | 20.7°C | 15.7°C | 10.7°C | 25.9°C | 6.5°C | 107 mm | 78% | 2.1 m/s | — |
| 1981 | 22.6°C | 17.3°C | 12.0°C | 29.1°C | 4.9°C | 115 mm | 79% | 2.3 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 22.6°C with lows near 12.4°C (mean 17.5°C), based on 45 years of NASA POWER data.
June averages 95 mm of rainfall in L’Assomption, a relatively wet time of year. The wettest on record was 161 mm in 2014.
The hottest June reached 33.6°C in 2025. The coldest dipped to 0.6°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 2.3°C. Daytime highs moved from 21.7°C to 24°C and overnight lows from 11.4°C to 13.6°C over the same span.
June is one of the warmer months of the year in L’Assomption and a relatively wet time of year, so plan for around 22.6°C daytime highs and 12.4°C at night.
Not quite — June is the 10th coolest month in L’Assomption, averaging 17.5°C.
For June in L’Assomption, pack light layers you can adjust through the day, with typical highs of 22.6°C and lows of 12.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 78% — quite humid.
Average wind speed in June is 2.2 m/s. The windiest June on record averaged 2.7 m/s (1986).
The wettest June on record was 2014 with 161 mm. On average, June sees 95 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 L’Assomption 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.
