Reykjavik, Capital Region, Iceland Climate Change Severity
High
Reykjavik Weather Condition Changes (Historic Vs 2025)
Over the past 15 year(s), Reykjavik temperature has changed by around +13.8%, 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, Reykjavik 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, Reykjavik experienced significant changes:
Temperature change of
+0.7 °C
Variation in annual rainfall
+18.2 %
Change in average humidity
+0.9 %
PM2.5 levels surged by
-62.6 %
Heatwave changed by
+5.7 day(s)
Coldwave changed by
+0.1 day(s)
Wind speeds changed by
+0.8 km/h
These indicators show that Reykjavik 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.
Reykjavik Weather Forecast 30 Days (September - October 2025)Reykjavik, Capital Region, Iceland
Temperature
humi.
Wind Speed
Moderate rain12°/6°87%32km/hPatchy rain nearby10°/8°81%32km/hModerate rain10°/8°80%37km/hPatchy rain nearby12°/10°73%43km/hPatchy rain nearby12°/9°73%20km/hSunny12°/8°78%19km/hPatchy rain nearby10°/8°77%16km/h
Partly Cloudy 10°/7°81%22km/hPatchy rain nearby12°/8°79%21km/hPatchy rain nearby10°/9°77%8km/hPatchy rain nearby10°/8°77%45km/hModerate rain10°/8°87%59km/hPatchy rain nearby8°/7°78%51km/hPatchy rain nearby10°/7°82%28km/h
Moderate or heavy rain shower9°/5°79%25km/hModerate or heavy rain shower9°/5°79%23km/hModerate or heavy rain shower10°/6°83%30km/hModerate or heavy rain shower10°/6°82%35km/hModerate or heavy rain shower9°/6°83%30km/hModerate or heavy rain shower8°/5°80%26km/hModerate or heavy rain shower8°/5°80%24km/hModerate or heavy rain shower9°/5°80%31km/hModerate or heavy rain shower8°/5°82%27km/hModerate or heavy rain shower9°/5°83%29km/hModerate or heavy rain shower8°/5°84%32km/hModerate or heavy rain shower7°/4°79%28km/hModerate or heavy rain shower7°/4°81%31km/hModerate or heavy rain shower7°/3°79%29km/hModerate or heavy rain shower7°/4°79%27km/hModerate or heavy rain shower8°/4°78%28km/hModerate or heavy rain shower8°/5°83%29km/hHighest & Lowest Weather Forecasts
TemperatureHumidityWind Speed
Precipitation
UV
