Reykjavik, Capital Region, Iceland Climate Change Severity

43
High
The current climate change severity in Reykjavik is High, with a 6.9% 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)

Reykjavik 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), Reykjavik temperature has changed by around +12.4%, 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
2026
30%
cloudyCloudy
5030
-40%
rainyRainy
181142
-21.5%
snowySnowy
1219
58.3%
mistyMisty
00
0%

Disclaimer: 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 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, Reykjavik experienced significant changes:

Temperature change of

+0.6 °C

Variation in annual rainfall

+17.8 %

Change in average humidity

+0.7 %

PM2.5 levels surged by

-55.5 %

Heatwave changed by

+9.8 day(s)

Coldwave changed by

+2.3 day(s)

Wind speeds changed by

+1.02 km/h

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

Reykjavik Weather Forecast 30 Days (November - December 2025)
Reykjavik, Capital Region, Iceland

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Mon. 3, Nov.
sunnySunny
Temperature Icon4°/2°
Humidity Icon83%
Wind Icon16km/h
Tue. 4, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon4°/2°
Humidity Icon79%
Wind Icon15km/h
Wed. 5, Nov.
partly cloudyPartly Cloudy
Temperature Icon4°/2°
Humidity Icon74%
Wind Icon13km/h
Thu. 6, Nov.
sunnySunny
Temperature Icon3°/1°
Humidity Icon74%
Wind Icon10km/h
Fri. 7, Nov.
sunnySunny
Temperature Icon1°/0°
Humidity Icon71%
Wind Icon11km/h
Sat. 8, Nov.
sunnySunny
Temperature Icon2°/1°
Humidity Icon61%
Wind Icon18km/h
Sun. 9, Nov.
partly cloudyPartly Cloudy
Temperature Icon1°/0°
Humidity Icon61%
Wind Icon12km/h
Mon. 10, Nov.
sunnySunny
Temperature Icon2°/0°
Humidity Icon70%
Wind Icon12km/h
Tue. 11, Nov.
sunnySunny
Temperature Icon1°/0°
Humidity Icon69%
Wind Icon9km/h
Wed. 12, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon2°/1°
Humidity Icon79%
Wind Icon6km/h
Thu. 13, Nov.
partly cloudyPartly Cloudy
Temperature Icon2°/1°
Humidity Icon79%
Wind Icon14km/h
Fri. 14, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon5°/2°
Humidity Icon82%
Wind Icon46km/h
Sat. 15, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon7°/5°
Humidity Icon90%
Wind Icon48km/h
Sun. 16, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon8°/7°
Humidity Icon93%
Wind Icon40km/h
Mon. 17, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon3°/1°
Humidity Icon76%
Wind Icon29km/h
Tue. 18, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/0°
Humidity Icon77%
Wind Icon28km/h
Wed. 19, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon3°/0°
Humidity Icon79%
Wind Icon32km/h
Thu. 20, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon3°/0°
Humidity Icon80%
Wind Icon30km/h
Fri. 21, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon4°/1°
Humidity Icon81%
Wind Icon29km/h
Sun. 23, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon3°/0°
Humidity Icon79%
Wind Icon30km/h
Mon. 24, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon3°/0°
Humidity Icon78%
Wind Icon29km/h
Tue. 25, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon3°/-1°
Humidity Icon81%
Wind Icon28km/h
Wed. 26, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-1°
Humidity Icon78%
Wind Icon30km/h
Thu. 27, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-1°
Humidity Icon78%
Wind Icon28km/h
Fri. 28, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-1°
Humidity Icon80%
Wind Icon27km/h
Sat. 29, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-1°
Humidity Icon83%
Wind Icon27km/h
Sun. 30, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-1°
Humidity Icon84%
Wind Icon30km/h
Mon. 1, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-1°
Humidity Icon81%
Wind Icon37km/h
Tue. 2, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-2°
Humidity Icon79%
Wind Icon36km/h
Wed. 3, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-2°
Humidity Icon79%
Wind Icon27km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 16, Nov.

7.7°C

Low will be onTue. 2, Dec.

-2.1°C

HumidityHumidity

High will be onSun. 16, Nov.

93%

Low will be onSat. 8, Nov.

61%

Wind SpeedWind Speed

High will be onSat. 15, Nov.

47.9km/h

Low will be onWed. 12, Nov.

6.1km/h

PrecipitationPrecipitation

High will be onMon. 1, Dec.

6.7mm

Low will be onWed. 12, Nov.

0.03mm

Ultraviolet IndexUV

High will be onThu. 6, Nov.

2

Low will be onWed. 12, Nov.

1

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