Delta, British Columbia, Canada Climate Change Severity

43
High
The current climate change severity in Delta is High, with a -3.7% 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

Delta 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), Delta temperature has changed by around -9.7%, 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
3715
-59.4%
cloudyCloudy
4535
-22.2%
rainyRainy
10480
-23.07%
snowySnowy
22
0%
mistyMisty
023
100%

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

Climate Change Indicators:

Over the past 15 years, Delta 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, Delta experienced significant changes:

Temperature change of

-0.9 °C

Variation in annual rainfall

-8.7 %

Change in average humidity

+7.3 %

PM2.5 levels surged by

+11.01 %

Heatwave changed by

-2.1 day(s)

Coldwave changed by

-0.5 day(s)

Wind speeds changed by

+1.6 km/h

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

Delta Weather Forecast 30 Days (August - September 2025)
Delta, British Columbia, Canada

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Fri. 8, Aug.
mistMist
Temperature Icon15°/13°
Humidity Icon94%
Wind Icon17km/h
Sat. 9, Aug.
fogFog
Temperature Icon16°/13°
Humidity Icon95%
Wind Icon13km/h
Sun. 10, Aug.
partly cloudyPartly Cloudy
Temperature Icon22°/15°
Humidity Icon92%
Wind Icon17km/h
Mon. 11, Aug.
sunnySunny
Temperature Icon21°/17°
Humidity Icon84%
Wind Icon28km/h
Tue. 12, Aug.
sunnySunny
Temperature Icon19°/16°
Humidity Icon85%
Wind Icon30km/h
Wed. 13, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon18°/15°
Humidity Icon87%
Wind Icon18km/h
Thu. 14, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon16°/15°
Humidity Icon89%
Wind Icon21km/h
Fri. 15, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon16°/15°
Humidity Icon86%
Wind Icon18km/h
Sat. 16, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon16°/14°
Humidity Icon90%
Wind Icon31km/h
Sun. 17, Aug.
partly cloudyPartly Cloudy
Temperature Icon19°/15°
Humidity Icon81%
Wind Icon18km/h
Mon. 18, Aug.
partly cloudyPartly Cloudy
Temperature Icon16°/14°
Humidity Icon77%
Wind Icon16km/h
Tue. 19, Aug.
sunnySunny
Temperature Icon17°/13°
Humidity Icon73%
Wind Icon17km/h
Wed. 20, Aug.
sunnySunny
Temperature Icon17°/14°
Humidity Icon76%
Wind Icon22km/h
Thu. 21, Aug.
sunnySunny
Temperature Icon18°/14°
Humidity Icon75%
Wind Icon16km/h
Fri. 22, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/14°
Humidity Icon77%
Wind Icon11km/h
Sat. 23, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon21°/13°
Humidity Icon78%
Wind Icon11km/h
Sun. 24, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon22°/13°
Humidity Icon76%
Wind Icon10km/h
Mon. 25, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon22°/13°
Humidity Icon75%
Wind Icon9km/h
Tue. 26, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon22°/14°
Humidity Icon76%
Wind Icon11km/h
Wed. 27, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon22°/14°
Humidity Icon76%
Wind Icon10km/h
Thu. 28, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/14°
Humidity Icon79%
Wind Icon10km/h
Fri. 29, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/14°
Humidity Icon81%
Wind Icon14km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/13°
Humidity Icon83%
Wind Icon12km/h
Sun. 31, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/13°
Humidity Icon82%
Wind Icon13km/h
Mon. 1, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon20°/13°
Humidity Icon81%
Wind Icon10km/h
Tue. 2, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/13°
Humidity Icon80%
Wind Icon10km/h
Wed. 3, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/13°
Humidity Icon80%
Wind Icon10km/h
Thu. 4, Sep.
moderate rain at timesModerate rain at times
Temperature Icon21°/13°
Humidity Icon76%
Wind Icon10km/h
Fri. 5, Sep.
moderate rain at timesModerate rain at times
Temperature Icon20°/13°
Humidity Icon78%
Wind Icon11km/h
Sat. 6, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/13°
Humidity Icon77%
Wind Icon12km/h
Sun. 7, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/14°
Humidity Icon78%
Wind Icon12km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onWed. 27, Aug.

22.4°C

Low will be onTue. 2, Sep.

12.9°C

HumidityHumidity

High will be onSat. 9, Aug.

95%

Low will be onTue. 19, Aug.

73%

Wind SpeedWind Speed

High will be onSat. 16, Aug.

31km/h

Low will be onMon. 25, Aug.

9.4km/h

PrecipitationPrecipitation

High will be onFri. 29, Aug.

6.6mm

Low will be onTue. 12, Aug.

0.01mm

Ultraviolet IndexUV

High will be onSun. 17, Aug.

5

Low will be onWed. 13, Aug.

4

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