Trondheim, Sor Trondelag, Norway Climate Change Severity

48
High
The current climate change severity in Trondheim is High, with a 1.5% 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)

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 +17.9%, 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
3220
-37.5%
cloudyCloudy
5936
-38.9%
rainyRainy
163114
-30.06%
snowySnowy
1913
-31.5%
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 48 (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

48/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Trondheim experienced significant changes:

Temperature change of

+1.1 °C

Variation in annual rainfall

+28.5 %

Change in average humidity

-0.7 %

PM2.5 levels surged by

-14.3 %

Heatwave changed by

+7.7 day(s)

Coldwave changed by

-2.9 day(s)

Wind speeds changed by

+2.1 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 Oct.

Trondheim Weather Forecast 30 Days (November - December 2025)
Trondheim, Sor Trondelag, Norway

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Tue. 11, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon7°/5°
Humidity Icon85%
Wind Icon11km/h
Wed. 12, Nov.
moderate rainModerate rain
Temperature Icon7°/3°
Humidity Icon85%
Wind Icon12km/h
Thu. 13, Nov.
moderate rainModerate rain
Temperature Icon4°/2°
Humidity Icon70%
Wind Icon27km/h
Fri. 14, Nov.
moderate rainModerate rain
Temperature Icon3°/2°
Humidity Icon71%
Wind Icon27km/h
Sat. 15, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon2°/1°
Humidity Icon76%
Wind Icon32km/h
Sun. 16, Nov.
moderate rainModerate rain
Temperature Icon4°/1°
Humidity Icon86%
Wind Icon38km/h
Mon. 17, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon2°/1°
Humidity Icon80%
Wind Icon15km/h
Tue. 18, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon0°/-6°
Humidity Icon90%
Wind Icon18km/h
Wed. 19, Nov.
cloudyCloudy
Temperature Icon-2°/-7°
Humidity Icon80%
Wind Icon18km/h
Thu. 20, Nov.
sunnySunny
Temperature Icon-1°/-3°
Humidity Icon80%
Wind Icon18km/h
Fri. 21, Nov.
overcastOvercast
Temperature Icon5°/-2°
Humidity Icon73%
Wind Icon29km/h
Sat. 22, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon3°/1°
Humidity Icon88%
Wind Icon19km/h
Sun. 23, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon4°/1°
Humidity Icon88%
Wind Icon17km/h
Mon. 24, Nov.
moderate snowModerate snow
Temperature Icon1°/-3°
Humidity Icon84%
Wind Icon14km/h
Tue. 25, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-3°
Humidity Icon86%
Wind Icon16km/h
Wed. 26, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-3°
Humidity Icon87%
Wind Icon15km/h
Thu. 27, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-1°/-4°
Humidity Icon83%
Wind Icon15km/h
Fri. 28, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-1°/-5°
Humidity Icon79%
Wind Icon16km/h
Sat. 29, Nov.
moderate snowModerate snow
Temperature Icon-1°/-5°
Humidity Icon79%
Wind Icon16km/h
Sun. 30, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-1°/-4°
Humidity Icon81%
Wind Icon17km/h
Mon. 1, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-1°/-4°
Humidity Icon83%
Wind Icon16km/h
Tue. 2, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-1°/-5°
Humidity Icon83%
Wind Icon16km/h
Wed. 3, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-1°/-5°
Humidity Icon81%
Wind Icon16km/h
Thu. 4, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-1°/-5°
Humidity Icon82%
Wind Icon18km/h
Fri. 5, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-1°/-5°
Humidity Icon83%
Wind Icon18km/h
Sat. 6, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-2°/-5°
Humidity Icon83%
Wind Icon17km/h
Sun. 7, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-2°/-5°
Humidity Icon86%
Wind Icon16km/h
Mon. 8, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-1°/-6°
Humidity Icon87%
Wind Icon15km/h
Tue. 9, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-2°/-6°
Humidity Icon87%
Wind Icon16km/h
Wed. 10, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-1°/-6°
Humidity Icon86%
Wind Icon14km/h
Thu. 11, Dec.
moderate snowModerate snow
Temperature Icon-1°/-5°
Humidity Icon86%
Wind Icon13km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 11, Nov.

7.3°C

Low will be onWed. 19, Nov.

-6.6°C

HumidityHumidity

High will be onTue. 18, Nov.

90%

Low will be onThu. 13, Nov.

70%

Wind SpeedWind Speed

High will be onSun. 16, Nov.

37.8km/h

Low will be onTue. 11, Nov.

10.8km/h

PrecipitationPrecipitation

High will be onFri. 14, Nov.

8.8mm

Low will be onSat. 22, Nov.

0.4mm

Ultraviolet IndexUV

High will be onThu. 20, Nov.

2

Low will be onSun. 16, Nov.

1

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