Tromso, Troms, Norway Climate Change Severity
High
Tromso Weather Condition Changes (Historic Vs 2025)
Over the past 15 year(s), Tromso temperature has changed by around +31.2%, and has experienced notable climate changes.
Comparison of Weather Condition (Historic Vs 2025)
HistoricDays
Year 2025Days
Change
Sunny
Cloudy
Rainy
Snowy
MistyDisclaimer: 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 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
From 2010 to 2025, Tromso experienced significant changes:
Temperature change of
+0.8 °C
Variation in annual rainfall
+24.3 %
Change in average humidity
-2.6 %
PM2.5 levels surged by
-40.6 %
Heatwave changed by
+9.4 day(s)
Coldwave changed by
-5.1 day(s)
Wind speeds changed by
+0.7 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.
Tromso Weather Forecast 30 Days (October - November 2025)Tromso, Troms, Norway
Temperature
humi.
Wind SpeedPatchy rain nearby5°/2°85%17km/h
Moderate rain4°/1°86%21km/hPatchy rain nearby5°/0°72%22km/hModerate rain7°/5°77%36km/hModerate rain9°/4°88%67km/hPatchy rain nearby3°/2°79%54km/hPatchy rain nearby2°/2°76%41km/hPatchy rain nearby4°/1°76%37km/h
Overcast 1°/-2°78%17km/hModerate rain2°/-1°83%27km/hModerate rain5°/2°89%59km/hPatchy rain nearby2°/-1°70%32km/h
Heavy snow0°/-1°88%12km/hModerate rain2°/0°78%48km/h
Moderate or heavy snow showers1°/-2°82%18km/hModerate or heavy snow showers1°/-2°84%19km/hModerate or heavy snow showers1°/-2°83%18km/hModerate or heavy snow showers1°/-3°85%21km/hModerate or heavy snow showers1°/-3°87%19km/hModerate or heavy snow showers0°/-4°83%18km/hModerate or heavy snow showers1°/-4°86%17km/hModerate or heavy snow showers1°/-3°84%21km/hModerate or heavy snow showers1°/-2°84%22km/hModerate or heavy snow showers1°/-1°86%19km/hModerate or heavy snow showers1°/-3°84%19km/hModerate or heavy snow showers1°/-2°85%20km/hModerate or heavy snow showers1°/-3°86%19km/hModerate or heavy snow showers0°/-4°83%21km/hModerate or heavy snow showers-1°/-4°83%20km/hModerate or heavy snow showers-1°/-5°80%21km/hModerate or heavy snow showers-1°/-5°79%17km/hHighest & Lowest Weather Forecasts
TemperatureHumidityWind Speed
Precipitation
UV
