Tromso, Troms, Norway Climate Change Severity

43
High
The current climate change severity in Tromso is High, with a -3.8% 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

Tromso 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), Tromso temperature has changed by around +74.4%, 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
198
-57.8%
cloudyCloudy
3516
-54.2%
rainyRainy
9687
-9.3%
snowySnowy
3152
67.7%
mistyMisty
00
0%

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

Climate Change Indicators:

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

Temperature change of

+0.6 °C

Variation in annual rainfall

+21.3 %

Change in average humidity

-2.3 %

PM2.5 levels surged by

-37.8 %

Heatwave changed by

-1.4 day(s)

Coldwave changed by

-3.8 day(s)

Wind speeds changed by

-0.1 km/h

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

Tromso Weather Forecast 30 Days (August - September 2025)
Tromso, Troms, Norway

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sat. 2, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon19°/13°
Humidity Icon83%
Wind Icon14km/h
Sun. 3, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/13°
Humidity Icon72%
Wind Icon14km/h
Mon. 4, Aug.
sunnySunny
Temperature Icon21°/14°
Humidity Icon74%
Wind Icon20km/h
Tue. 5, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon22°/15°
Humidity Icon68%
Wind Icon16km/h
Wed. 6, Aug.
moderate rainModerate rain
Temperature Icon18°/12°
Humidity Icon82%
Wind Icon16km/h
Thu. 7, Aug.
moderate rainModerate rain
Temperature Icon12°/9°
Humidity Icon91%
Wind Icon18km/h
Fri. 8, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon14°/9°
Humidity Icon73%
Wind Icon11km/h
Sat. 9, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon16°/11°
Humidity Icon72%
Wind Icon17km/h
Sun. 10, Aug.
partly cloudyPartly Cloudy
Temperature Icon19°/12°
Humidity Icon64%
Wind Icon13km/h
Mon. 11, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon15°/12°
Humidity Icon79%
Wind Icon14km/h
Tue. 12, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon20°/12°
Humidity Icon75%
Wind Icon18km/h
Wed. 13, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon15°/10°
Humidity Icon85%
Wind Icon11km/h
Thu. 14, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon15°/11°
Humidity Icon76%
Wind Icon10km/h
Fri. 15, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon12°/10°
Humidity Icon81%
Wind Icon27km/h
Sat. 16, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/8°
Humidity Icon80%
Wind Icon14km/h
Sun. 17, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/8°
Humidity Icon79%
Wind Icon17km/h
Mon. 18, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/8°
Humidity Icon76%
Wind Icon14km/h
Tue. 19, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/8°
Humidity Icon81%
Wind Icon13km/h
Wed. 20, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/8°
Humidity Icon80%
Wind Icon14km/h
Thu. 21, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/8°
Humidity Icon80%
Wind Icon13km/h
Fri. 22, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/8°
Humidity Icon83%
Wind Icon14km/h
Sat. 23, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/8°
Humidity Icon84%
Wind Icon15km/h
Sun. 24, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/7°
Humidity Icon79%
Wind Icon12km/h
Mon. 25, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/7°
Humidity Icon78%
Wind Icon14km/h
Tue. 26, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/7°
Humidity Icon81%
Wind Icon15km/h
Wed. 27, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/7°
Humidity Icon82%
Wind Icon15km/h
Thu. 28, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/7°
Humidity Icon81%
Wind Icon16km/h
Fri. 29, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/8°
Humidity Icon81%
Wind Icon17km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/8°
Humidity Icon83%
Wind Icon18km/h
Sun. 31, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/6°
Humidity Icon83%
Wind Icon17km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/6°
Humidity Icon81%
Wind Icon16km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 3, Aug.

24.8°C

Low will be onMon. 1, Sep.

6.2°C

HumidityHumidity

High will be onThu. 7, Aug.

91%

Low will be onSun. 10, Aug.

64%

Wind SpeedWind Speed

High will be onFri. 15, Aug.

27.4km/h

Low will be onThu. 14, Aug.

10.4km/h

PrecipitationPrecipitation

High will be onWed. 6, Aug.

17.02mm

Low will be onSun. 10, Aug.

0.01mm

Ultraviolet IndexUV

High will be onSun. 10, Aug.

5

Low will be onMon. 4, Aug.

0.8

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