Tromso, Troms, Norway Climate Change Severity

48
High
The current climate change severity in Tromso is High, with a 3.3% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to May (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Tromso Weather Condition Changes (Historic Vs 2026)

0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Tromso temperature has changed by around -0.07%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to May (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
1221
75%

cloudyCloudy
2314
-39.1%

rainyRainy
5736
-36.8%

snowySnowy
3259
84.3%

mistyMisty
01
100%

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

Climate Change Indicators:

Over the past 16 years, Tromso has experienced measurable shifts in key climate parameters, contributing to the current severity score of 48 (within the High severity category). This suggests worsening climate conditions from the previous years. 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 2026, Tromso experienced significant changes:

Temperature change of

+0 °C


Variation in annual rainfall

+9 %


Change in average humidity

-0.92 %


PM2.5 levels surged by

-31.25 %


Heatwave changed by

-7 Days


Coldwave changed by

-6 Days


Wind speeds changed by

+4.13 km/h


These indicators show that Tromso is experiencing a more volatile and extreme climate, reinforcing the need for urgent intervention to mitigate risks. As the severity score rises, focus must shift to adaptation and emergency preparedness.

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

Tromso Weather Forecast 30 Days (June - July 2026)
Tromso, Troms, Norway


Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Thu. 4, Jun.
patchy rain possiblePatchy rain nearby

Temperature Icon17°/12°

Humidity Icon62%

Wind Icon11.2km/h
Fri. 5, Jun.
sunnySunny

Temperature Icon18°/14°

Humidity Icon56%

Wind Icon15.8km/h
Sat. 6, Jun.
patchy rain possiblePatchy rain nearby

Temperature Icon15°/10°

Humidity Icon78%

Wind Icon16.6km/h
Sun. 7, Jun.
patchy rain possiblePatchy rain nearby

Temperature Icon17°/10°

Humidity Icon69%

Wind Icon15.8km/h
Mon. 8, Jun.
moderate rainRain

Temperature Icon15°/10°

Humidity Icon76%

Wind Icon17.6km/h
Tue. 9, Jun.
partly cloudyPartly Cloudy

Temperature Icon14°/10°

Humidity Icon84%

Wind Icon11.2km/h
Wed. 10, Jun.
patchy rain possiblePatchy rain nearby

Temperature Icon16°/11°

Humidity Icon71%

Wind Icon11.9km/h
Thu. 11, Jun.
patchy rain possiblePatchy rain nearby

Temperature Icon11°/10°

Humidity Icon91%

Wind Icon7.9km/h
Fri. 12, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon10°/5°

Humidity Icon78%

Wind Icon14km/h
Sat. 13, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon11°/5°

Humidity Icon74%

Wind Icon17.6km/h
Sun. 14, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon11°/6°

Humidity Icon77%

Wind Icon16.9km/h
Mon. 15, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon10°/6°

Humidity Icon80%

Wind Icon15.5km/h
Tue. 16, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon10°/5°

Humidity Icon77%

Wind Icon15.5km/h
Wed. 17, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon12°/6°

Humidity Icon75%

Wind Icon13.3km/h
Thu. 18, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon13°/7°

Humidity Icon75%

Wind Icon13.3km/h
Fri. 19, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon11°/7°

Humidity Icon77%

Wind Icon13.7km/h
Sat. 20, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon11°/7°

Humidity Icon78%

Wind Icon13.7km/h
Sun. 21, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon12°/6°

Humidity Icon80%

Wind Icon15.5km/h
Mon. 22, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon12°/7°

Humidity Icon79%

Wind Icon15.1km/h
Tue. 23, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon12°/7°

Humidity Icon80%

Wind Icon14km/h
Wed. 24, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon12°/7°

Humidity Icon79%

Wind Icon14.8km/h
Thu. 25, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon12°/7°

Humidity Icon82%

Wind Icon15.8km/h
Fri. 26, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon12°/7°

Humidity Icon78%

Wind Icon16.6km/h
Sat. 27, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon13°/7°

Humidity Icon75%

Wind Icon15.5km/h
Sun. 28, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon13°/8°

Humidity Icon76%

Wind Icon14.8km/h
Mon. 29, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon13°/8°

Humidity Icon76%

Wind Icon15.1km/h
Tue. 30, Jun.
heavy rain at timesHeavy rain at times

Temperature Icon13°/8°

Humidity Icon78%

Wind Icon14.4km/h
Wed. 1, Jul.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon15°/8°

Humidity Icon73%

Wind Icon13.3km/h
Thu. 2, Jul.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon14°/9°

Humidity Icon77%

Wind Icon14.4km/h
Fri. 3, Jul.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon13°/8°

Humidity Icon77%

Wind Icon13.3km/h
Sat. 4, Jul.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon13°/8°

Humidity Icon77%

Wind Icon12.6km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 5, Jun.

18°C


Low will be onFri. 12, Jun.

5°C

HumidityHumidity

High will be onThu. 11, Jun.

91%


Low will be onFri. 5, Jun.

56%

Wind SpeedWind Speed

High will be onMon. 8, Jun.

17.6km/h


Low will be onThu. 11, Jun.

7.9km/h

PrecipitationPrecipitation

High will be onMon. 8, Jun.

8.6mm


Low will be onFri. 5, Jun.

0.01mm

Ultraviolet IndexUV

High will be onTue. 9, Jun.

4


Low will be onFri. 12, Jun.

2