June is one of the warmer months of the year in Belleville, with average highs near 28.5°C and lows around 17.9°C (mean 23.2°C). It is a relatively wet time of year, averaging 106 mm of rainfall and 77% relative humidity across the period.
June is one of the warmer months of the year in Belleville. Across 45 years of records, the warmest June in Belleville was 2010 — when the month averaged 25.5°C — while the coldest was 1982 at 20.3°C. Typical June days reach 28.5°C with nights near 17.9°C. The long-term trend is warming, about 0.4°C per decade.
June is a relatively wet time of year in Belleville, averaging 106 mm of rainfall. The wettest June on record was 2015 with 231 mm, while the driest was 2012 at 27 mm.
Relative humidity in Belleville during June averages 77%. The most humid June was 2015 at 84%, and the least humid was 1988 at 56%.
June receives about 6.3 kWh/m²/day of solar energy in Belleville. The sunniest June was 2012 at 7.4 kWh/m²/day, and the cloudiest was 1985 at 5.1.
Average wind speed in Belleville during June is 1.8 m/s. The windiest June was 1998 at 2.3 m/s, while the calmest were 1994 and 1995 at 1.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.7°C | 22.7°C | 23.0°C | 23.9°C | 24.0°C | +1.3°C |
| Avg High | 28.2°C | 27.7°C | 28.5°C | 29.0°C | 29.6°C | +1.4°C |
| Avg Low | 17.2°C | 17.7°C | 17.5°C | 18.8°C | 18.3°C | +1.1°C |
| Avg Rain | 98 mm | 111 mm | 102 mm | 123 mm | 85 mm | -13 mm |
June temperatures in Belleville have risen by about 2°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 6.7°C (1988) to a record high of 42.4°C (2012).
Rainfall in June is a relatively wet time of year, averaging 106 mm, with a wettest year of 231 mm.
One of the best times to visit Belleville
June is one of the best times to visit Belleville. Expect days averaging 28.5°C and nights around 17.9°C (mean 23.2°C) — warmer than Belleville's yearly average — with higher rainfall (106 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 | 29.0°C | 24.3°C | 19.6°C | 33.6°C | 13.4°C | 128 mm | 82% | 1.7 m/s | 5.8 |
| 2024 | 30.5°C | 24.6°C | 18.7°C | 38.3°C | 11.7°C | 95 mm | 72% | 2 m/s | 6.7 |
| 2023 | 30.4°C | 23.6°C | 16.8°C | 37.0°C | 9.9°C | 46 mm | 62% | 1.8 m/s | 6.8 |
| 2022 | 29.5°C | 23.6°C | 17.7°C | 34.5°C | 11.3°C | 52 mm | 74% | 1.7 m/s | 6.9 |
| 2021 | 29.1°C | 24.1°C | 19.0°C | 33.1°C | 10.8°C | 98 mm | 79% | 1.8 m/s | 6.2 |
| 2020 | 28.8°C | 23.6°C | 18.3°C | 32.7°C | 13.6°C | 91 mm | 78% | 1.8 m/s | 6.8 |
| 2019 | 27.1°C | 22.5°C | 17.8°C | 32.8°C | 10.7°C | 140 mm | 83% | 1.9 m/s | 5.8 |
| 2018 | 29.8°C | 25.0°C | 20.1°C | 33.3°C | 12.4°C | 134 mm | 80% | 1.6 m/s | 6.5 |
| 2017 | 28.3°C | 22.8°C | 17.3°C | 33.0°C | 11.9°C | 77 mm | 75% | 1.9 m/s | 7.1 |
| 2016 | 29.8°C | 24.6°C | 19.4°C | 33.7°C | 12.3°C | 47 mm | 77% | 1.7 m/s | 7 |
| 2015 🌧️ | 27.9°C | 23.6°C | 19.2°C | 32.1°C | 11.0°C | 231 mm | 84% | 1.9 m/s | 5.6 |
| 2014 | 28.2°C | 23.8°C | 19.3°C | 31.2°C | 10.8°C | 128 mm | 81% | 2 m/s | 5.9 |
| 2013 | 27.5°C | 22.7°C | 18.0°C | 32.6°C | 10.2°C | 137 mm | 82% | 2 m/s | 6 |
| 2012 | 32.2°C | 24.6°C | 16.9°C | 42.4°C | 8.9°C | 27 mm | 57% | 2 m/s | 7.4 |
| 2011 | 29.1°C | 24.2°C | 19.3°C | 34.2°C | 14.5°C | 189 mm | 81% | 1.9 m/s | 6.1 |
| 2010 🔥 | 30.1°C | 25.5°C | 20.9°C | 33.3°C | 15.2°C | 120 mm | 81% | 1.7 m/s | 6.6 |
| 2009 | 28.7°C | 23.8°C | 18.9°C | 34.2°C | 9.9°C | 125 mm | 81% | 1.7 m/s | 6.2 |
| 2008 | 28.3°C | 23.1°C | 17.9°C | 31.3°C | 12.5°C | 80 mm | 79% | 2.1 m/s | 6.5 |
| 2007 | 28.7°C | 23.5°C | 18.2°C | 33.0°C | 11.6°C | 80 mm | 74% | 1.7 m/s | 6.3 |
| 2006 | 29.4°C | 23.5°C | 17.5°C | 34.4°C | 13.1°C | 83 mm | 72% | 1.8 m/s | 6.7 |
| 2005 | 30.6°C | 24.8°C | 19.0°C | 37.6°C | 13.1°C | 47 mm | 71% | 1.8 m/s | 6.8 |
| 2004 | 27.1°C | 21.9°C | 16.7°C | 31.9°C | 10.3°C | 72 mm | 77% | 1.7 m/s | 6.5 |
| 2003 | 25.9°C | 20.4°C | 14.9°C | 31.0°C | 6.9°C | 157 mm | 77% | 1.7 m/s | 6.1 |
| 2002 | 28.8°C | 23.5°C | 18.3°C | 31.9°C | 11.5°C | 86 mm | 79% | 1.7 m/s | 6.7 |
| 2001 | 29.3°C | 23.1°C | 16.9°C | 35.3°C | 11.0°C | 83 mm | 69% | 1.8 m/s | 6.7 |
| 2000 | 28.5°C | 22.6°C | 16.7°C | 34.3°C | 9.1°C | 201 mm | 72% | 2.1 m/s | 5.6 |
| 1999 | 28.0°C | 22.8°C | 17.6°C | 32.6°C | 9.0°C | 114 mm | 78% | 1.8 m/s | 5.8 |
| 1998 | 28.3°C | 23.5°C | 18.6°C | 33.1°C | 9.6°C | 200 mm | 80% | 2.3 m/s | 5.9 |
| 1997 | 27.0°C | 22.1°C | 17.3°C | 32.1°C | 12.2°C | 118 mm | 81% | 1.6 m/s | 5.6 |
| 1996 | 27.9°C | 22.8°C | 17.6°C | 33.5°C | 10.1°C | 109 mm | 78% | 1.6 m/s | 6.1 |
| 1995 | 26.8°C | 22.1°C | 17.5°C | 30.4°C | 10.7°C | 126 mm | 80% | 1.5 m/s | 6 |
| 1994 | 28.2°C | 23.4°C | 18.7°C | 31.3°C | 12.2°C | 112 mm | 81% | 1.5 m/s | 6.2 |
| 1993 | 27.3°C | 22.3°C | 17.4°C | 31.8°C | 8.3°C | 150 mm | 82% | 1.7 m/s | 5.8 |
| 1992 | 27.0°C | 21.2°C | 15.5°C | 32.6°C | 7.5°C | 51 mm | 72% | 1.9 m/s | 6 |
| 1991 | 28.9°C | 23.9°C | 18.9°C | 34.6°C | 13.0°C | 43 mm | 79% | 1.7 m/s | 6.4 |
| 1990 | 27.8°C | 22.7°C | 17.7°C | 31.7°C | 8.4°C | 90 mm | 81% | 2.1 m/s | 6.1 |
| 1989 | 27.0°C | 21.8°C | 16.5°C | 31.2°C | 9.0°C | 87 mm | 77% | 1.7 m/s | 6.4 |
| 1988 | 31.2°C | 23.6°C | 16.0°C | 39.2°C | 6.7°C | 41 mm | 56% | 1.8 m/s | 6.7 |
| 1987 | 31.0°C | 25.0°C | 19.0°C | 37.4°C | 12.3°C | 97 mm | 68% | 1.6 m/s | 6.3 |
| 1986 | 28.9°C | 23.8°C | 18.7°C | 33.5°C | 12.4°C | 79 mm | 79% | 1.8 m/s | 6.5 |
| 1985 | 25.8°C | 20.8°C | 15.9°C | 31.1°C | 7.1°C | 195 mm | 81% | 1.9 m/s | 5.1 |
| 1984 | 28.7°C | 23.6°C | 18.6°C | 31.5°C | 10.8°C | 46 mm | 79% | 2 m/s | 6.1 |
| 1983 | 27.0°C | 22.0°C | 16.9°C | 30.6°C | 8.3°C | 103 mm | 79% | 1.7 m/s | — |
| 1982 ❄️ | 25.6°C | 20.3°C | 15.1°C | 30.5°C | 9.2°C | 101 mm | 78% | 1.8 m/s | — |
| 1981 | 28.2°C | 23.2°C | 18.1°C | 31.6°C | 12.1°C | 137 mm | 80% | 2 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 28.5°C with lows near 17.9°C (mean 23.2°C), based on 45 years of NASA POWER data.
June averages 106 mm of rainfall in Belleville, a relatively wet time of year. The wettest on record was 231 mm in 2015.
The hottest June reached 42.4°C in 2012. The coldest dipped to 6.7°C in 1988.
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 27.1°C to 29.7°C and overnight lows from 16.9°C to 18.4°C over the same span.
June is one of the warmer months of the year in Belleville and a relatively wet time of year, so plan for around 28.5°C daytime highs and 17.9°C at night.
Not quite — June is the 10th coolest month in Belleville, averaging 23.2°C.
For June in Belleville, pack light layers you can adjust through the day, with typical highs of 28.5°C and lows of 17.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 77% — quite humid.
Average wind speed in June is 1.8 m/s. The windiest June on record averaged 2.3 m/s (1998).
The wettest June on record was 2015 with 231 mm. On average, June sees 106 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 Belleville 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.