Trondheim, Trondelag, Norway Climate Change Severity

52
High
The current climate change severity in Trondheim is High, with a 1.01% 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 Apr. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Trondheim 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), Trondheim temperature has changed by around -69.2%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
384
-89.4%
cloudyCloudy
719
-87.3%
rainyRainy
18957
-69.8%
snowySnowy
2613
-50%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 15 years, Trondheim has experienced measurable shifts in key climate parameters, contributing to the current severity score of 52 (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

52/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Trondheim experienced significant changes:

Temperature change of

+2.54 °C

Variation in annual rainfall

+36.75 %

Change in average humidity

+0.37 %

PM2.5 levels surged by

-4.19 %

Heatwave changed by

+7 Days

Coldwave changed by

-3 Days

Wind speeds changed by

+1.76 km/h

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

Trondheim Weather Forecast 30 Days (October 2026)
Trondheim, Trondelag, Norway

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Thu. 1, Oct.
sunnySunny
Temperature Icon16°/12°
Humidity Icon65%
Wind Icon30.2km/h
Fri. 2, Oct.
overcastOvercast
Temperature Icon14°/11°
Humidity Icon83%
Wind Icon13km/h
Sat. 3, Oct.
overcastOvercast
Temperature Icon12°/10°
Humidity Icon81%
Wind Icon28.8km/h
Sun. 4, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon12°/9°
Humidity Icon79%
Wind Icon12.2km/h
Mon. 5, Oct.
light rain showerRain Shower
Temperature Icon12°/9°
Humidity Icon81%
Wind Icon55.8km/h
Tue. 6, Oct.
light rain showerRain Shower
Temperature Icon9°/8°
Humidity Icon77%
Wind Icon54.7km/h
Wed. 7, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon9°/7°
Humidity Icon73%
Wind Icon36km/h
Thu. 8, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon8°/7°
Humidity Icon75%
Wind Icon32.4km/h
Fri. 9, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon9°/6°
Humidity Icon72%
Wind Icon21.6km/h
Sat. 10, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon9°/3°
Humidity Icon85%
Wind Icon14.2km/h
Sun. 11, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon8°/3°
Humidity Icon84%
Wind Icon15.9km/h
Mon. 12, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon8°/3°
Humidity Icon83%
Wind Icon14.5km/h
Tue. 13, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon8°/3°
Humidity Icon84%
Wind Icon13km/h
Wed. 14, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon8°/3°
Humidity Icon81%
Wind Icon14.9km/h
Thu. 15, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon8°/3°
Humidity Icon80%
Wind Icon14.5km/h
Fri. 16, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon8°/3°
Humidity Icon81%
Wind Icon14.7km/h
Sat. 17, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon8°/3°
Humidity Icon83%
Wind Icon15km/h
Sun. 18, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon7°/2°
Humidity Icon84%
Wind Icon14.6km/h
Mon. 19, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon7°/2°
Humidity Icon84%
Wind Icon12.7km/h
Tue. 20, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon6°/2°
Humidity Icon79%
Wind Icon14.1km/h
Wed. 21, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon6°/2°
Humidity Icon77%
Wind Icon17.1km/h
Thu. 22, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon7°/2°
Humidity Icon80%
Wind Icon18.7km/h
Fri. 23, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon7°/3°
Humidity Icon84%
Wind Icon16.9km/h
Sat. 24, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon7°/3°
Humidity Icon83%
Wind Icon15.8km/h
Sun. 25, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon7°/2°
Humidity Icon85%
Wind Icon16.4km/h
Mon. 26, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon6°/2°
Humidity Icon85%
Wind Icon14.6km/h
Tue. 27, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon6°/2°
Humidity Icon85%
Wind Icon14.9km/h
Wed. 28, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon6°/2°
Humidity Icon85%
Wind Icon14.8km/h
Thu. 29, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon5°/1°
Humidity Icon83%
Wind Icon16.4km/h
Fri. 30, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon5°/1°
Humidity Icon84%
Wind Icon15.2km/h
Sat. 31, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon6°/2°
Humidity Icon85%
Wind Icon15.5km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 1, Oct.

16°C

Low will be onThu. 29, Oct.

1°C

HumidityHumidity

High will be onSat. 10, Oct.

85%

Low will be onThu. 1, Oct.

65%

Wind SpeedWind Speed

High will be onMon. 5, Oct.

55.8km/h

Low will be onSun. 4, Oct.

12.2km/h

PrecipitationPrecipitation

High will be onMon. 5, Oct.

10mm

Low will be onSat. 3, Oct.

0.1mm

Ultraviolet IndexUV

High will be onTue. 6, Oct.

2

Low will be onMon. 5, Oct.

0.4

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