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
Tue. 5, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon17°/13°
Humidity Icon93%
Wind Icon22km/h
Wed. 6, Aug.
heavy rainHeavy rain
Temperature Icon17°/15°
Humidity Icon92%
Wind Icon19km/h
Thu. 7, Aug.
cloudyCloudy
Temperature Icon16°/14°
Humidity Icon93%
Wind Icon19km/h
Fri. 8, Aug.
partly cloudyPartly Cloudy
Temperature Icon18°/14°
Humidity Icon81%
Wind Icon20km/h
Sat. 9, Aug.
partly cloudyPartly Cloudy
Temperature Icon19°/16°
Humidity Icon81%
Wind Icon12km/h
Sun. 10, Aug.
sunnySunny
Temperature Icon21°/17°
Humidity Icon82%
Wind Icon20km/h
Mon. 11, Aug.
sunnySunny
Temperature Icon22°/18°
Humidity Icon82%
Wind Icon19km/h
Tue. 12, Aug.
sunnySunny
Temperature Icon21°/18°
Humidity Icon84%
Wind Icon26km/h
Wed. 13, Aug.
sunnySunny
Temperature Icon18°/17°
Humidity Icon85%
Wind Icon21km/h
Thu. 14, Aug.
partly cloudyPartly Cloudy
Temperature Icon19°/15°
Humidity Icon85%
Wind Icon17km/h
Fri. 15, Aug.
sunnySunny
Temperature Icon19°/15°
Humidity Icon87%
Wind Icon14km/h
Sat. 16, Aug.
sunnySunny
Temperature Icon18°/15°
Humidity Icon84%
Wind Icon21km/h
Sun. 17, Aug.
sunnySunny
Temperature Icon18°/15°
Humidity Icon84%
Wind Icon16km/h
Mon. 18, Aug.
sunnySunny
Temperature Icon18°/14°
Humidity Icon84%
Wind Icon14km/h
Tue. 19, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon23°/15°
Humidity Icon76%
Wind Icon12km/h
Wed. 20, Aug.
moderate rain at timesModerate rain at times
Temperature Icon22°/14°
Humidity Icon76%
Wind Icon10km/h
Thu. 21, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon21°/14°
Humidity Icon78%
Wind Icon12km/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

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 19, Aug.

23°C

Low will be onTue. 5, Aug.

12.5°C

HumidityHumidity

High will be onTue. 5, Aug.

93%

Low will be onMon. 25, Aug.

75%

Wind SpeedWind Speed

High will be onTue. 12, Aug.

25.9km/h

Low will be onMon. 25, Aug.

9.4km/h

PrecipitationPrecipitation

High will be onWed. 6, Aug.

21.2mm

Low will be onThu. 14, Aug.

0.01mm

Ultraviolet IndexUV

High will be onSun. 10, Aug.

5

Low will be onTue. 19, Aug.

4

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