Nanaimo, British Columbia, Canada Climate Change Severity

33
Moderate
The current climate change severity in Nanaimo is Moderate, with a 25.6% 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 Oct. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Nanaimo 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), Nanaimo temperature has changed by around +0.7%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
6128
-54.09%
cloudyCloudy
6466
3.1%
rainyRainy
14996
-35.5%
snowySnowy
31
-66.6%
mistyMisty
026
100%

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

Climate Change Indicators:

Over the past 15 years, Nanaimo has experienced measurable improvements in key climate parameters, contributing to the current severity score of 33 (within the Moderate severity category). This suggests improving climate conditions compared to previous years. Here’s a breakdown of the specific changes observed:

Severity Score

33/100

Moderate

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Nanaimo experienced significant changes:

Temperature change of

+0.08 °C

Variation in annual rainfall

-4.2 %

Change in average humidity

+1.1 %

PM2.5 levels surged by

-18.5 %

Heatwave changed by

-9.3 day(s)

Coldwave changed by

-2.5 day(s)

Wind speeds changed by

+0.01 km/h

These indicators show reduced climate volatility, offering a valuable window to reinforce sustainable practices and strengthen long-term climate resilience. As the severity shifts toward Moderate, it is important to maintain momentum in climate adaptation efforts.

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

Nanaimo Weather Forecast 30 Days (November - December 2025)
Nanaimo, British Columbia, Canada

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Fri. 28, Nov.
sunnySunny
Temperature Icon12°/4°
Humidity Icon72%
Wind Icon14km/h
Sat. 29, Nov.
overcastOvercast
Temperature Icon7°/3°
Humidity Icon69%
Wind Icon10km/h
Sun. 30, Nov.
partly cloudyPartly Cloudy
Temperature Icon5°/2°
Humidity Icon89%
Wind Icon5km/h
Mon. 1, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon6°/3°
Humidity Icon86%
Wind Icon6km/h
Tue. 2, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon6°/4°
Humidity Icon93%
Wind Icon6km/h
Wed. 3, Dec.
partly cloudyPartly Cloudy
Temperature Icon7°/3°
Humidity Icon88%
Wind Icon7km/h
Thu. 4, Dec.
cloudyCloudy
Temperature Icon6°/3°
Humidity Icon88%
Wind Icon4km/h
Fri. 5, Dec.
overcastOvercast
Temperature Icon7°/5°
Humidity Icon92%
Wind Icon7km/h
Sat. 6, Dec.
moderate rainModerate rain
Temperature Icon6°/5°
Humidity Icon97%
Wind Icon14km/h
Sun. 7, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon7°/6°
Humidity Icon95%
Wind Icon6km/h
Mon. 8, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon8°/6°
Humidity Icon95%
Wind Icon11km/h
Tue. 9, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon9°/8°
Humidity Icon98%
Wind Icon11km/h
Wed. 10, Dec.
partly cloudyPartly Cloudy
Temperature Icon7°/4°
Humidity Icon81%
Wind Icon20km/h
Thu. 11, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon5°/4°
Humidity Icon96%
Wind Icon17km/h
Fri. 12, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon5°/2°
Humidity Icon89%
Wind Icon13km/h
Sat. 13, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon5°/2°
Humidity Icon90%
Wind Icon13km/h
Sun. 14, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon5°/1°
Humidity Icon88%
Wind Icon13km/h
Mon. 15, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon5°/2°
Humidity Icon90%
Wind Icon14km/h
Tue. 16, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon5°/2°
Humidity Icon91%
Wind Icon13km/h
Wed. 17, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon5°/3°
Humidity Icon92%
Wind Icon13km/h
Thu. 18, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon6°/2°
Humidity Icon92%
Wind Icon18km/h
Fri. 19, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon5°/2°
Humidity Icon91%
Wind Icon15km/h
Sat. 20, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon5°/2°
Humidity Icon91%
Wind Icon17km/h
Sun. 21, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon4°/1°
Humidity Icon90%
Wind Icon13km/h
Mon. 22, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon5°/1°
Humidity Icon90%
Wind Icon17km/h
Tue. 23, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon4°/1°
Humidity Icon89%
Wind Icon13km/h
Wed. 24, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon4°/1°
Humidity Icon89%
Wind Icon13km/h
Thu. 25, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon3°/0°
Humidity Icon88%
Wind Icon14km/h
Fri. 26, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon4°/1°
Humidity Icon91%
Wind Icon17km/h
Sat. 27, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon4°/1°
Humidity Icon92%
Wind Icon14km/h
Sun. 28, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon5°/1°
Humidity Icon92%
Wind Icon13km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 28, Nov.

12.4°C

Low will be onThu. 25, Dec.

0.4°C

HumidityHumidity

High will be onTue. 9, Dec.

98%

Low will be onSat. 29, Nov.

69%

Wind SpeedWind Speed

High will be onWed. 10, Dec.

19.8km/h

Low will be onThu. 4, Dec.

4.3km/h

PrecipitationPrecipitation

High will be onFri. 19, Dec.

14mm

Low will be onThu. 4, Dec.

0.02mm

Ultraviolet IndexUV

High will be onWed. 10, Dec.

3

Low will be onThu. 4, Dec.

1

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