Sudbury, Ontario, Canada Climate Change Severity

62
Very High
The current climate change severity in Sudbury is Very High, with a 26.3% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Feb. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Sudbury 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), Sudbury temperature has changed by around -4.8%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
14
300%
cloudyCloudy
74
-42.8%
rainyRainy
171
-94.1%
snowySnowy
812
50%
mistyMisty
09
100%

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

Climate Change Indicators:

Over the past 16 years, Sudbury has experienced measurable shifts in key climate parameters, contributing to the current severity score of 62 (within the Very High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

62/100

Very High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Sudbury experienced significant changes:

Temperature change of

+1 °C

Variation in annual rainfall

+105.8 %

Change in average humidity

-14.4 %

PM2.5 levels surged by

+51.4 %

Heatwave changed by

-0.8 day(s)

Coldwave changed by

-0.8 day(s)

Wind speeds changed by

-0.6 km/h

These indicators show a dramatic increase in volatility and worsening conditions. Sudbury's Very High severity status requires urgent and immediate adaptation and mitigation strategies, particularly focused on managing extreme weather events, improving air quality, and ensuring water resources are adequate for the population.

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

Sudbury Weather Forecast 30 Days (March - April 2026)
Sudbury, Ontario, Canada

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Thu. 5, Mar.
overcastOvercast
Temperature Icon-4°/-11°
Humidity Icon83%
Wind Icon17.6km/h
Fri. 6, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon0°/-7°
Humidity Icon91%
Wind Icon13km/h
Sat. 7, Mar.
heavy rainHeavy rain
Temperature Icon8°/-2°
Humidity Icon94%
Wind Icon31km/h
Sun. 8, Mar.
sunnySunny
Temperature Icon5°/-5°
Humidity Icon79%
Wind Icon25.9km/h
Mon. 9, Mar.
partly cloudyPartly Cloudy
Temperature Icon9°/0°
Humidity Icon81%
Wind Icon23.8km/h
Tue. 10, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-2°/-7°
Humidity Icon70%
Wind Icon19.4km/h
Wed. 11, Mar.
overcastOvercast
Temperature Icon-3°/-8°
Humidity Icon71%
Wind Icon23.4km/h
Thu. 12, Mar.
blizzardBlizzard
Temperature Icon-8°/-10°
Humidity Icon84%
Wind Icon34.2km/h
Fri. 13, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-5°/-17°
Humidity Icon84%
Wind Icon23.8km/h
Sat. 14, Mar.
light snow showersLight snow showers
Temperature Icon1°/-5°
Humidity Icon89%
Wind Icon22.7km/h
Sun. 15, Mar.
heavy snowHeavy snow
Temperature Icon-7°/-10°
Humidity Icon85%
Wind Icon27km/h
Mon. 16, Mar.
light freezing rainLight freezing rain
Temperature Icon-4°/-15°
Humidity Icon86%
Wind Icon24.1km/h
Tue. 17, Mar.
light snow showersLight snow showers
Temperature Icon-1°/-13°
Humidity Icon83%
Wind Icon25.9km/h
Wed. 18, Mar.
mistMist
Temperature Icon-5°/-18°
Humidity Icon84%
Wind Icon15.5km/h
Thu. 19, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-8°
Humidity Icon85%
Wind Icon15.8km/h
Fri. 20, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-6°
Humidity Icon83%
Wind Icon17.3km/h
Sat. 21, Mar.
patchy moderate snowPatchy moderate snow
Temperature Icon1°/-8°
Humidity Icon81%
Wind Icon16.9km/h
Sun. 22, Mar.
moderate snowModerate snow
Temperature Icon1°/-10°
Humidity Icon81%
Wind Icon17.6km/h
Mon. 23, Mar.
light freezing rainLight freezing rain
Temperature Icon0°/-9°
Humidity Icon79%
Wind Icon15.8km/h
Wed. 25, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-8°
Humidity Icon84%
Wind Icon18.4km/h
Thu. 26, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-7°
Humidity Icon80%
Wind Icon18km/h
Fri. 27, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-7°
Humidity Icon81%
Wind Icon16.9km/h
Sat. 28, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-6°
Humidity Icon83%
Wind Icon16.9km/h
Sun. 29, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-6°
Humidity Icon83%
Wind Icon17.6km/h
Mon. 30, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-5°
Humidity Icon83%
Wind Icon16.6km/h
Tue. 31, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-5°
Humidity Icon85%
Wind Icon16.6km/h
Wed. 1, Apr.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-6°
Humidity Icon82%
Wind Icon17.6km/h
Thu. 2, Apr.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon4°/-6°
Humidity Icon79%
Wind Icon19.4km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 9, Mar.

9°C

Low will be onWed. 18, Mar.

-18°C

HumidityHumidity

High will be onSat. 7, Mar.

94%

Low will be onTue. 10, Mar.

70%

Wind SpeedWind Speed

High will be onThu. 12, Mar.

34.2km/h

Low will be onFri. 6, Mar.

13km/h

PrecipitationPrecipitation

High will be onSat. 7, Mar.

75.6mm

Low will be onWed. 11, Mar.

0.01mm

Ultraviolet IndexUV

High will be onSun. 8, Mar.

2

Low will be onFri. 6, Mar.

1

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