Belleville Weather in June (1981–2025)

📍 44.17°N, 77.38°W •
📊

June at a Glance in Belleville

(1981–2025)
Avg High
🔥
20.6°C
Avg Low
❄️
13.2°C
Avg Temp
🌡️
16.9°C
Avg Rain
🌧️
70 mm
Avg Humidity
💧
76%
Avg Wind
🌬️
1.8 m/s
Avg Solar
☀️
5.9
kWh/m²/day
vs Annual
📈
+8.9°C
temp difference
🌤️Mild afternoons🌤️Cool mornings☀️Very sunny🌧️Wet month🍃Light winds💦Humid air

Belleville June Weather Overview

June is one of the warmer months of the year in Belleville, with average highs near 20.6°C and lows around 13.2°C (mean 16.9°C). It is about average for rainfall, averaging 70 mm of rainfall and 76% relative humidity across the period.

Belleville June Temperature History (1981–2025)

Range

June is one of the warmer months of the year in Belleville. Across 45 years of records, the warmest June in Belleville was 2005 — when the month averaged 20.2°C — while the coldest was 1982 at 14.4°C. Typical June days reach 20.6°C with nights near 13.2°C. The long-term trend is warming, about 0.5°C per decade.

1981–1985 vs 2021–2025

Avg Temp15.9°C→18.3°C+2.4°C
Max Temp19.8°C→21.9°C+2.1°C
Min Temp12.0°C→14.7°C+2.7°C

Trend (per decade)

Avg Temp+0.5°C/decade ↗
Max Temp+0.4°C/decade ↗
Min Temp+0.6°C/decade ↗

Distribution of Avg Temp

14.0°C–15.8°C12 yr (27%)
15.8°C–17.5°C15 yr (33%)
17.5°C–19.3°C17 yr (38%)
19.3°C–21.0°C1 yr (2%)

Belleville June Rainfall History (1981–2025)

Range

June is about average for rainfall in Belleville, averaging 70 mm of rainfall. The wettest June on record was 2000 with 160 mm, while the driest was 1995 at 19 mm.

Belleville June Humidity History (1981–2025)

Range

Relative humidity in Belleville during June averages 76%. The most humid June was 2008 at 86%, and the least humid was 1988 at 62%.

Belleville June Solar History (1981–2025)

Range

June receives about 5.9 kWh/m²/day of solar energy in Belleville. The sunniest June was 2016 at 6.8 kWh/m²/day, and the cloudiest was 1996 at 4.9.

Belleville June Wind History (1981–2025)

Range

Average wind speed in Belleville during June is 1.8 m/s. The windiest Junes were 1988 and 2012 at 2.1 m/s, while the calmest was 2009 at 1.4 m/s.

What June Feels Like in Belleville

🌅
Cool
Morning
🌞
Mild
Afternoon
🌆
Cool
Evening
Rain chanceModerate
Outdoor comfort★★★★☆

How June Ranks in Belleville

🔥4th warmest month of the year
🌧️2nd wettest month of the year
☀️2nd sunniest month of the year

Ranked against the other 11 months using 1981–2025 averages.

Explore Belleville Weather by Month

Belleville June Averages by Decade

Metric1980s1990s2000s2010s2020sChange
Avg Temp16.1°C16.7°C16.8°C17.1°C18.4°C+2.3°C
Avg High20.1°C20.5°C20.3°C20.6°C22.1°C+2°C
Avg Low12.2°C12.8°C13.2°C13.5°C14.7°C+2.5°C
Avg Rain69 mm67 mm70 mm84 mm53 mm-16 mm

Extreme June Records in Belleville

🔥Warmest June30.0°C1995
🧊Coldest June4.5°C2009
🌧️Wettest June160 mm2000
🏜️Driest June19 mm1995
🌬️Windiest June2.1 m/s1988

Key Insights for June

✅

June temperatures in Belleville have risen by about 2.4°C between 1981–1985 and 2021–2025.

✅

June has ranged from a record low of 4.5°C (2009) to a record high of 30°C (1995).

✅

Rainfall in June is about average for rainfall, averaging 70 mm, with a wettest year of 160 mm.

Is June a Good Time to Visit Belleville?

One of the best times to visit Belleville

June is one of the best times to visit Belleville. Expect days averaging 20.6°C and nights around 13.2°C (mean 16.9°C) — warmer than Belleville's yearly average — with moderate rainfall (70 mm), so conditions are generally comfortable for sightseeing and outdoor plans.

See Belleville's complete weather history All 12 months side by side, 1981–2025 records, annual trends and long-term averages in one place. View full history →

Belleville Weather in June — In Depth

☀️ June climate overview

June is one of the warmer months of the year in Belleville, with average highs near 20.6°C and lows around 13.2°C (mean 16.9°C). It is about average for rainfall, averaging 70 mm of rainfall and 76% relative humidity across the period.

🌧️ Rain, humidity & wind in June

June averages 70 mm of rainfall in Belleville, about average for rainfall compared with the rest of the year. The wettest June on record saw 160 mm (2000), and the driest just 19 mm (1995). Humidity sits around 76% and average wind speed is 1.8 m/s, with solar radiation averaging 5.9 kWh/m²/day.

📈 How June has changed

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 2.4°C. Daytime highs moved from 19.8°C to 21.9°C and overnight lows from 12°C to 14.7°C over the same span.
June Weather in Belleville, Year by Year
🔥 warmest❄️ coldest🌧️ wettest
YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfallHumidityWindSolar
202521.8°C18.1°C14.4°C28.3°C6.8°C38 mm75%1.9 m/s5.9
202422.3°C18.9°C15.5°C28.0°C10.3°C94 mm75%1.9 m/s5.3
202321.5°C18.1°C14.7°C26.1°C10.5°C59 mm74%1.6 m/s5.4
202221.3°C17.5°C13.7°C26.1°C10.0°C59 mm71%1.9 m/s6.1
202122.8°C19.0°C15.3°C27.3°C10.4°C37 mm69%1.9 m/s5.9
202022.8°C18.7°C14.5°C28.6°C7.0°C32 mm69%1.7 m/s6.7
201918.4°C14.8°C11.3°C23.7°C5.8°C67 mm80%1.7 m/s6
201820.5°C16.8°C13.1°C27.1°C8.3°C64 mm77%1.6 m/s6
201719.7°C16.7°C13.7°C24.2°C7.6°C115 mm83%2 m/s5.4
201622.2°C18.0°C13.9°C27.3°C7.8°C37 mm66%2 m/s6.8
201519.3°C15.7°C12.1°C23.0°C6.8°C140 mm78%1.7 m/s5.8
201420.4°C16.8°C13.1°C25.7°C7.6°C86 mm80%1.5 m/s5.9
201320.4°C17.1°C13.7°C26.4°C8.0°C92 mm78%1.7 m/s5.5
201223.0°C19.2°C15.5°C28.1°C9.5°C71 mm71%2.1 m/s6.2
201120.9°C17.4°C13.9°C24.2°C8.3°C43 mm78%1.8 m/s6
201021.5°C18.1°C14.6°C24.8°C10.3°C122 mm77%2 m/s5.2
200919.3°C15.9°C12.5°C27.0°C4.5°C56 mm80%1.4 m/s5.8
200820.1°C17.1°C14.0°C23.6°C8.4°C75 mm86%1.8 m/s5.6
200722.2°C18.1°C14.0°C28.0°C7.0°C37 mm74%1.8 m/s6.6
200621.6°C18.1°C14.5°C26.1°C7.7°C66 mm76%1.7 m/s5.6
2005 🔥23.7°C20.2°C16.8°C29.2°C12.7°C45 mm77%1.5 m/s6
200418.7°C15.3°C11.8°C21.8°C7.3°C65 mm80%1.8 m/s6.5
200318.7°C14.9°C11.2°C25.1°C5.3°C61 mm79%1.7 m/s6.3
200219.2°C15.9°C12.6°C24.8°C5.4°C84 mm82%1.7 m/s5.6
200120.4°C16.5°C12.6°C25.2°C5.9°C52 mm77%1.6 m/s6.2
2000 🌧️18.7°C15.5°C12.3°C22.5°C8.0°C160 mm85%1.9 m/s5
199922.1°C18.2°C14.2°C27.2°C9.4°C62 mm72%1.7 m/s6.1
199821.3°C17.8°C14.4°C27.4°C7.1°C136 mm77%1.9 m/s5.7
199721.4°C17.7°C13.9°C26.4°C10.1°C75 mm75%1.6 m/s6.6
199619.4°C16.0°C12.6°C25.1°C5.9°C75 mm83%1.6 m/s4.9
199522.4°C18.1°C13.9°C30.0°C8.7°C19 mm70%1.6 m/s6.5
199420.4°C16.2°C12.1°C29.7°C4.9°C65 mm76%1.7 m/s5.7
199318.6°C14.7°C10.8°C22.6°C4.7°C96 mm80%1.7 m/s6
199218.8°C14.8°C10.8°C23.4°C6.5°C41 mm73%1.7 m/s6.1
199122.0°C17.7°C13.4°C26.5°C6.8°C25 mm72%1.8 m/s6.6
199019.0°C15.5°C12.1°C23.5°C5.5°C72 mm82%1.9 m/s5.3
198919.8°C16.5°C13.1°C25.4°C9.6°C108 mm79%1.7 m/s5.4
198820.2°C15.4°C10.7°C25.9°C5.4°C29 mm62%2.1 m/s6.5
198722.8°C18.7°C14.7°C27.8°C9.4°C68 mm70%2 m/s6
198619.1°C15.1°C11.1°C23.5°C5.9°C103 mm73%2 m/s6.4
198518.7°C14.9°C11.0°C23.5°C7.9°C49 mm74%2 m/s5.7
198419.9°C16.0°C12.2°C23.4°C6.6°C71 mm80%1.8 m/s5.8
198321.3°C17.3°C13.2°C26.1°C5.7°C33 mm76%1.6 m/s—
1982 ❄️17.9°C14.4°C10.8°C22.9°C6.7°C92 mm79%1.7 m/s—
198121.0°C17.0°C12.9°C25.1°C5.8°C66 mm76%2 m/s—

Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.

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Belleville June Weather — FAQ

What is the average temperature in Belleville in June?▼

The average high in June is around 20.6°C with lows near 13.2°C (mean 16.9°C), based on 45 years of NASA POWER data.

Does it rain a lot in Belleville in June?▼

June averages 70 mm of rainfall in Belleville, about average for rainfall. The wettest on record was 160 mm in 2000.

What was the hottest June on record in Belleville?▼

The hottest June reached 30°C in 1995. The coldest dipped to 4.5°C in 2009.

Has June in Belleville gotten warmer over time?▼

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 2.4°C. Daytime highs moved from 19.8°C to 21.9°C and overnight lows from 12°C to 14.7°C over the same span.

Is June a good time to visit Belleville?▼

June is one of the warmer months of the year in Belleville and about average for rainfall, so plan for around 20.6°C daytime highs and 13.2°C at night.

Is June the coldest month in Belleville?▼

Not quite — June is the 9th coolest month in Belleville, averaging 16.9°C.

What should I pack for Belleville in June?▼

For June in Belleville, pack light layers you can adjust through the day, with typical highs of 20.6°C and lows of 13.2°C. Bring an umbrella or light rain jacket too.

Is Belleville humid in June?▼

Relative humidity in June averages 76% — quite humid.

How windy is Belleville in June?▼

Average wind speed in June is 1.8 m/s. The windiest June on record averaged 2.1 m/s (1988).

Which June had the most rainfall in Belleville?▼

The wettest June on record was 2000 with 160 mm. On average, June sees 70 mm.

Where does this June weather data come from?▼

All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.

Other Ontario cities

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.