Belleville, Ontario, Canada Climate Change Severity

43
High
The current climate change severity in Belleville is High, with a 12.8% improvement in the climate score compared to last 16 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Sep. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Belleville Weather Condition Changes (Historic Vs 2026)

2026
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Belleville temperature has changed by around +0.5%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Sep. (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
44107
143.1%
cloudyCloudy
6520
-69.2%
rainyRainy
10654
-49.05%
snowySnowy
1018
80%
mistyMisty
13
200%

Disclaimer: Other weather conditions not shown may affect the total day count.

Climate Change Indicators:

Over the past 16 years, Belleville has experienced measurable shifts in key climate parameters, contributing to the current severity score of 43 (within the High severity category). While the score remains High, certain factors have improved over time. Here’s a breakdown of the specific changes observed:

Severity Score

43/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Belleville experienced significant changes:

Temperature change of

+0.05 °C

Variation in annual rainfall

+145.7 %

Change in average humidity

-2.55 %

PM2.5 levels surged by

-4.89 %

Heatwave changed by

-6 Days

Coldwave changed by

-5 Days

Wind speeds changed by

+1.72 km/h

These indicators show improvement in key parametes of climate, but Belleville remains in the High severity category. Continuous focus on climate resilience is necessary to avoid further worsening and ensure sustainability.

Check how we calculate Climate Change Severity
Based on data from Jan. to Sep.

Belleville Weather Forecast 30 Days (October - November 2026)
Belleville, Ontario, Canada

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Fri. 2, Oct.
light rain showerRain Shower
Temperature Icon20°/11°
Humidity Icon77%
Wind Icon23.4km/h
Sat. 3, Oct.
sunnySunny
Temperature Icon17°/7°
Humidity Icon66%
Wind Icon12.2km/h
Sun. 4, Oct.
sunnySunny
Temperature Icon18°/7°
Humidity Icon71%
Wind Icon20.2km/h
Mon. 5, Oct.
sunnySunny
Temperature Icon13°/3°
Humidity Icon52%
Wind Icon31.7km/h
Tue. 6, Oct.
sunnySunny
Temperature Icon13°/0°
Humidity Icon53%
Wind Icon19.1km/h
Wed. 7, Oct.
sunnySunny
Temperature Icon16°/3°
Humidity Icon58%
Wind Icon20.5km/h
Thu. 8, Oct.
overcastOvercast
Temperature Icon20°/9°
Humidity Icon65%
Wind Icon23.8km/h
Fri. 9, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon16°/9°
Humidity Icon75%
Wind Icon19.2km/h
Sat. 10, Oct.
heavy rain at timesHeavy Rain
Temperature Icon17°/8°
Humidity Icon72%
Wind Icon18.4km/h
Sun. 11, Oct.
moderate rain at timesRain
Temperature Icon16°/8°
Humidity Icon72%
Wind Icon20.1km/h
Mon. 12, Oct.
heavy rain at timesHeavy Rain
Temperature Icon16°/8°
Humidity Icon71%
Wind Icon20km/h
Tue. 13, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon15°/8°
Humidity Icon78%
Wind Icon20.4km/h
Wed. 14, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon15°/8°
Humidity Icon76%
Wind Icon18.9km/h
Thu. 15, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon14°/8°
Humidity Icon75%
Wind Icon24.9km/h
Fri. 16, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon13°/7°
Humidity Icon75%
Wind Icon21km/h
Sat. 17, Oct.
heavy rain at timesHeavy Rain
Temperature Icon13°/6°
Humidity Icon72%
Wind Icon21km/h
Sun. 18, Oct.
moderate rain at timesRain
Temperature Icon13°/6°
Humidity Icon72%
Wind Icon20.5km/h
Mon. 19, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon14°/6°
Humidity Icon76%
Wind Icon22.4km/h
Tue. 20, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon14°/8°
Humidity Icon80%
Wind Icon22.3km/h
Wed. 21, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon14°/7°
Humidity Icon80%
Wind Icon22.1km/h
Thu. 22, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon13°/6°
Humidity Icon77%
Wind Icon21.2km/h
Fri. 23, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon13°/6°
Humidity Icon77%
Wind Icon20.5km/h
Sat. 24, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon13°/6°
Humidity Icon76%
Wind Icon20.3km/h
Sun. 25, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon12°/6°
Humidity Icon75%
Wind Icon19.2km/h
Mon. 26, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon11°/6°
Humidity Icon78%
Wind Icon20.3km/h
Tue. 27, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon11°/5°
Humidity Icon74%
Wind Icon21.4km/h
Wed. 28, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon11°/4°
Humidity Icon78%
Wind Icon20.7km/h
Thu. 29, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon10°/4°
Humidity Icon79%
Wind Icon21.6km/h
Fri. 30, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon10°/4°
Humidity Icon79%
Wind Icon21km/h
Sat. 31, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon10°/4°
Humidity Icon81%
Wind Icon21.8km/h
Sun. 1, Nov.
moderate or heavy rain showerRain Showers
Temperature Icon10°/4°
Humidity Icon78%
Wind Icon23.6km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 2, Oct.

20°C

Low will be onWed. 7, Oct.

3°C

HumidityHumidity

High will be onSat. 31, Oct.

81%

Low will be onMon. 5, Oct.

52%

Wind SpeedWind Speed

High will be onMon. 5, Oct.

31.7km/h

Low will be onSat. 3, Oct.

12.2km/h

PrecipitationPrecipitation

High will be onFri. 2, Oct.

13.4mm

Low will be onThu. 8, Oct.

0.3mm

Ultraviolet IndexUV

High will be onWed. 7, Oct.

5

Low will be onFri. 16, Oct.

2

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