Halifax, Nova Scotia, Canada Climate Change Severity

43
High
The current climate change severity in Halifax is High, with a -2.4% improvement in the climate score compared to last 15 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Halifax Weather Condition Changes (Historic Vs 2025)

2025
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2025

Over the past 15 year(s), Halifax temperature has changed by around -7.4%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Jul. (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
2114
-33.3%
cloudyCloudy
4924
-51.02%
rainyRainy
8470
-16.6%
snowySnowy
98
-11.1%
mistyMisty
015
100%

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

Climate Change Indicators:

Over the past 15 years, Halifax 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 2025, Halifax experienced significant changes:

Temperature change of

-0.4 °C

Variation in annual rainfall

+52.3 %

Change in average humidity

-0.9 %

PM2.5 levels surged by

-14.3 %

Heatwave changed by

-2.4 day(s)

Coldwave changed by

-4.2 day(s)

Wind speeds changed by

-0.6 km/h

These indicators show improvement in key parametes of climate, but Halifax 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 Jul.

Halifax Weather Forecast 30 Days (August - September 2025)
Halifax, Nova Scotia, Canada

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sat. 2, Aug.
partly cloudyPartly Cloudy
Temperature Icon25°/13°
Humidity Icon72%
Wind Icon15km/h
Sun. 3, Aug.
partly cloudyPartly Cloudy
Temperature Icon22°/10°
Humidity Icon78%
Wind Icon20km/h
Mon. 4, Aug.
partly cloudyPartly Cloudy
Temperature Icon24°/13°
Humidity Icon73%
Wind Icon20km/h
Tue. 5, Aug.
partly cloudyPartly Cloudy
Temperature Icon23°/15°
Humidity Icon71%
Wind Icon14km/h
Wed. 6, Aug.
sunnySunny
Temperature Icon23°/13°
Humidity Icon74%
Wind Icon14km/h
Thu. 7, Aug.
sunnySunny
Temperature Icon23°/13°
Humidity Icon76%
Wind Icon13km/h
Fri. 8, Aug.
sunnySunny
Temperature Icon23°/13°
Humidity Icon75%
Wind Icon19km/h
Sat. 9, Aug.
sunnySunny
Temperature Icon23°/13°
Humidity Icon72%
Wind Icon22km/h
Sun. 10, Aug.
partly cloudyPartly Cloudy
Temperature Icon24°/14°
Humidity Icon72%
Wind Icon16km/h
Mon. 11, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/17°
Humidity Icon88%
Wind Icon14km/h
Tue. 12, Aug.
partly cloudyPartly Cloudy
Temperature Icon26°/16°
Humidity Icon82%
Wind Icon15km/h
Wed. 13, Aug.
sunnySunny
Temperature Icon26°/18°
Humidity Icon78%
Wind Icon24km/h
Thu. 14, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon24°/17°
Humidity Icon90%
Wind Icon16km/h
Fri. 15, Aug.
sunnySunny
Temperature Icon28°/17°
Humidity Icon77%
Wind Icon13km/h
Sat. 16, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon22°/16°
Humidity Icon80%
Wind Icon18km/h
Sun. 17, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/16°
Humidity Icon82%
Wind Icon21km/h
Mon. 18, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/16°
Humidity Icon84%
Wind Icon20km/h
Tue. 19, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/17°
Humidity Icon84%
Wind Icon21km/h
Wed. 20, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/17°
Humidity Icon82%
Wind Icon18km/h
Thu. 21, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon23°/17°
Humidity Icon80%
Wind Icon17km/h
Fri. 22, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/17°
Humidity Icon83%
Wind Icon21km/h
Sat. 23, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/17°
Humidity Icon83%
Wind Icon22km/h
Sun. 24, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/16°
Humidity Icon79%
Wind Icon19km/h
Mon. 25, Aug.
moderate rain at timesModerate rain at times
Temperature Icon23°/16°
Humidity Icon79%
Wind Icon19km/h
Tue. 26, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/16°
Humidity Icon80%
Wind Icon22km/h
Wed. 27, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/16°
Humidity Icon80%
Wind Icon20km/h
Thu. 28, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/15°
Humidity Icon78%
Wind Icon19km/h
Fri. 29, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/15°
Humidity Icon79%
Wind Icon25km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/16°
Humidity Icon81%
Wind Icon24km/h
Sun. 31, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/16°
Humidity Icon80%
Wind Icon23km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/15°
Humidity Icon78%
Wind Icon18km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 15, Aug.

27.6°C

Low will be onSun. 3, Aug.

9.8°C

HumidityHumidity

High will be onThu. 14, Aug.

90%

Low will be onTue. 5, Aug.

71%

Wind SpeedWind Speed

High will be onFri. 29, Aug.

24.8km/h

Low will be onThu. 7, Aug.

12.6km/h

PrecipitationPrecipitation

High will be onSat. 30, Aug.

10.2mm

Low will be onMon. 11, Aug.

0.04mm

Ultraviolet IndexUV

High will be onWed. 13, Aug.

6

Low will be onTue. 5, Aug.

0.2

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