June is one of the warmer months of the year in Saint-Constant, with average highs near 23°C and lows around 13.2°C (mean 18.1°C). It is a relatively wet time of year, averaging 98 mm of rainfall and 78% relative humidity across the period.
June is one of the warmer months of the year in Saint-Constant. Across 45 years of records, the warmest June in Saint-Constant was 1999 — when the month averaged 21°C — while the coldest were 1985 and 1986 at 15.3°C. Typical June days reach 23°C with nights near 13.2°C. The long-term trend is warming, about 0.4°C per decade.
June is a relatively wet time of year in Saint-Constant, averaging 98 mm of rainfall. The wettest June on record was 2010 with 163 mm, while the driest was 1991 at 37 mm.
Relative humidity in Saint-Constant during June averages 78%. The most humid June was 2017 at 83%, and the least humid was 1999 at 70%.
June receives about 5.7 kWh/m²/day of solar energy in Saint-Constant. The sunniest June was 1997 at 6.7 kWh/m²/day, and the cloudiest was 1990 at 4.7.
Average wind speed in Saint-Constant during June is 2.8 m/s. The windiest June was 1985 at 3.4 m/s, while the calmest were 1983 and 2009 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.0°C | 18.5°C | 18.1°C | 18.0°C | 19.2°C | +2.2°C |
| Avg High | 22.1°C | 23.5°C | 22.9°C | 22.7°C | 24.3°C | +2.2°C |
| Avg Low | 12.0°C | 13.4°C | 13.4°C | 13.2°C | 14.2°C | +2.2°C |
| Avg Rain | 91 mm | 87 mm | 106 mm | 117 mm | 81 mm | -9 mm |
June temperatures in Saint-Constant have risen by about 2.1°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 1.4°C (1986) to a record high of 33.1°C (2025).
Rainfall in June is a relatively wet time of year, averaging 98 mm, with a wettest year of 163 mm.
One of the best times to visit Saint-Constant
June is one of the best times to visit Saint-Constant. Expect days averaging 23°C and nights around 13.2°C (mean 18.1°C) — warmer than Saint-Constant's yearly average — with higher rainfall (98 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 | 25.1°C | 19.7°C | 14.4°C | 33.1°C | 6.8°C | 50 mm | 73% | 3 m/s | 5.9 |
| 2024 | 24.5°C | 19.7°C | 14.9°C | 31.1°C | 9.1°C | 113 mm | 77% | 2.7 m/s | 5.6 |
| 2023 | 22.8°C | 18.1°C | 13.5°C | 32.1°C | 6.7°C | 80 mm | 79% | 2.4 m/s | 5.4 |
| 2022 | 22.6°C | 17.9°C | 13.2°C | 30.3°C | 7.5°C | 126 mm | 78% | 2.8 m/s | 5.7 |
| 2021 | 26.2°C | 20.8°C | 15.4°C | 32.3°C | 8.4°C | 73 mm | 70% | 3.1 m/s | 6 |
| 2020 | 24.5°C | 19.2°C | 13.9°C | 32.8°C | 5.2°C | 46 mm | 73% | 2.6 m/s | 6.1 |
| 2019 | 22.4°C | 17.4°C | 12.4°C | 27.5°C | 4.9°C | 84 mm | 79% | 2.8 m/s | 5.9 |
| 2018 | 22.6°C | 17.6°C | 12.6°C | 28.3°C | 6.9°C | 89 mm | 78% | 2.7 m/s | 6.3 |
| 2017 | 22.2°C | 17.8°C | 13.4°C | 29.5°C | 6.7°C | 131 mm | 83% | 3.1 m/s | 5.5 |
| 2016 | 22.9°C | 18.2°C | 13.4°C | 29.1°C | 6.7°C | 82 mm | 76% | 3 m/s | 6 |
| 2015 | 21.9°C | 16.9°C | 11.9°C | 27.5°C | 5.1°C | 150 mm | 79% | 2.6 m/s | 5.7 |
| 2014 | 23.7°C | 19.0°C | 14.4°C | 28.6°C | 10.1°C | 157 mm | 78% | 2.4 m/s | 6 |
| 2013 | 21.9°C | 17.6°C | 13.3°C | 28.4°C | 6.2°C | 150 mm | 82% | 2.6 m/s | 5.1 |
| 2012 | 23.6°C | 18.8°C | 14.0°C | 31.0°C | 8.1°C | 71 mm | 77% | 2.8 m/s | 6.2 |
| 2011 | 23.2°C | 18.2°C | 13.3°C | 28.7°C | 7.0°C | 90 mm | 79% | 2.8 m/s | 5.6 |
| 2010 🌧️ | 22.6°C | 18.1°C | 13.5°C | 28.2°C | 8.3°C | 163 mm | 79% | 2.4 m/s | 5.1 |
| 2009 | 21.8°C | 17.2°C | 12.6°C | 28.5°C | 3.1°C | 89 mm | 79% | 2.3 m/s | 5.5 |
| 2008 | 23.5°C | 19.2°C | 14.9°C | 29.0°C | 10.0°C | 103 mm | 82% | 2.6 m/s | 5.2 |
| 2007 | 23.7°C | 18.4°C | 13.1°C | 30.2°C | 4.7°C | 80 mm | 78% | 2.8 m/s | 6.1 |
| 2006 | 22.8°C | 18.7°C | 14.5°C | 29.4°C | 9.5°C | 123 mm | 81% | 2.8 m/s | 5 |
| 2005 | 25.0°C | 20.4°C | 15.7°C | 30.3°C | 9.5°C | 123 mm | 81% | 2.7 m/s | 5.8 |
| 2004 | 21.6°C | 16.5°C | 11.4°C | 27.8°C | 5.4°C | 80 mm | 78% | 3 m/s | 6.3 |
| 2003 | 23.1°C | 17.9°C | 12.8°C | 31.9°C | 5.0°C | 100 mm | 78% | 2.7 m/s | 6.1 |
| 2002 | 21.9°C | 17.2°C | 12.5°C | 27.1°C | 4.2°C | 145 mm | 79% | 2.7 m/s | 5.4 |
| 2001 | 24.0°C | 19.1°C | 14.2°C | 31.8°C | 5.0°C | 120 mm | 79% | 2.7 m/s | 6 |
| 2000 | 21.1°C | 16.5°C | 11.9°C | 28.2°C | 6.1°C | 98 mm | 80% | 3 m/s | 5.1 |
| 1999 🔥 | 26.7°C | 21.0°C | 15.3°C | 32.7°C | 7.8°C | 77 mm | 70% | 2.7 m/s | 5.8 |
| 1998 | 22.9°C | 18.6°C | 14.3°C | 29.3°C | 6.2°C | 107 mm | 80% | 2.8 m/s | 5 |
| 1997 | 24.2°C | 18.8°C | 13.4°C | 30.3°C | 8.1°C | 57 mm | 77% | 2.9 m/s | 6.7 |
| 1996 | 23.0°C | 18.2°C | 13.4°C | 27.8°C | 9.0°C | 89 mm | 81% | 2.6 m/s | 5 |
| 1995 | 25.5°C | 19.6°C | 13.7°C | 30.8°C | 7.8°C | 72 mm | 71% | 2.8 m/s | 6.6 |
| 1994 | 23.9°C | 19.1°C | 14.3°C | 32.1°C | 5.9°C | 135 mm | 79% | 2.9 m/s | 5.7 |
| 1993 | 21.8°C | 16.9°C | 12.0°C | 28.1°C | 5.4°C | 98 mm | 80% | 2.8 m/s | 5.4 |
| 1992 | 21.5°C | 16.6°C | 11.8°C | 28.7°C | 7.1°C | 97 mm | 79% | 2.8 m/s | 5.9 |
| 1991 | 23.2°C | 18.1°C | 12.9°C | 29.5°C | 7.8°C | 37 mm | 76% | 3.1 m/s | 6.3 |
| 1990 | 22.4°C | 17.7°C | 13.0°C | 29.1°C | 5.5°C | 104 mm | 81% | 2.8 m/s | 4.7 |
| 1989 | 22.6°C | 17.9°C | 13.2°C | 29.5°C | 7.7°C | 92 mm | 81% | 2.6 m/s | 5.5 |
| 1988 | 22.1°C | 16.4°C | 10.8°C | 30.5°C | 4.1°C | 85 mm | 71% | 3.3 m/s | 6.2 |
| 1987 | 23.0°C | 18.3°C | 13.7°C | 28.0°C | 6.5°C | 103 mm | 78% | 2.8 m/s | 5.6 |
| 1986 | 20.8°C | 15.3°C | 9.9°C | 26.8°C | 1.4°C | 123 mm | 77% | 3.3 m/s | 5.9 |
| 1985 ❄️ | 19.8°C | 15.3°C | 10.8°C | 25.3°C | 6.1°C | 106 mm | 80% | 3.4 m/s | 5 |
| 1984 | 23.2°C | 17.8°C | 12.4°C | 28.4°C | 5.8°C | 71 mm | 79% | 3 m/s | 5.7 |
| 1983 | 23.1°C | 18.1°C | 13.1°C | 29.5°C | 3.4°C | 47 mm | 79% | 2.3 m/s | — |
| 1982 | 21.0°C | 16.3°C | 11.6°C | 27.1°C | 7.6°C | 92 mm | 77% | 2.7 m/s | — |
| 1981 | 23.0°C | 18.0°C | 12.9°C | 29.4°C | 5.9°C | 100 mm | 79% | 2.9 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 23°C with lows near 13.2°C (mean 18.1°C), based on 45 years of NASA POWER data.
June averages 98 mm of rainfall in Saint-Constant, a relatively wet time of year. The wettest on record was 163 mm in 2010.
The hottest June reached 33.1°C in 2025. The coldest dipped to 1.4°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 22°C to 24.2°C and overnight lows from 12.2°C to 14.3°C over the same span.
June is one of the warmer months of the year in Saint-Constant and a relatively wet time of year, so plan for around 23°C daytime highs and 13.2°C at night.
Not quite — June is the 10th coolest month in Saint-Constant, averaging 18.1°C.
For June in Saint-Constant, pack light layers you can adjust through the day, with typical highs of 23°C and lows of 13.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 78% — quite humid.
Average wind speed in June is 2.8 m/s. The windiest June on record averaged 3.4 m/s (1985).
The wettest June on record was 2010 with 163 mm. On average, June sees 98 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 Saint-Constant 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.
