Reykjavik, Capital Region, Iceland Climate Change Severity

48
High
The current climate change severity in Reykjavik is High, with a 0.6% 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 Jul. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Reykjavik Weather Condition Changes (Historic Vs 2026)

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

Over the past 16 year(s), Reykjavik temperature has changed by around -10.6%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
1426
85.7%
cloudyCloudy
3229
-9.3%
rainyRainy
12487
-29.8%
snowySnowy
1232
166.6%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 16 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

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Reykjavik experienced significant changes:

Temperature change of

-0.49 °C

Variation in annual rainfall

-16.39 %

Change in average humidity

-4.13 %

PM2.5 levels surged by

-63.01 %

Heatwave changed by

-5 Days

Coldwave changed by

-3 Days

Wind speeds changed by

+2.32 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.

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

Reykjavik Weather Forecast 30 Days (August - September 2026)
Reykjavik, Capital Region, Iceland

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Sun. 16, Aug.
sunnySunny
Temperature Icon13°/-30°
Humidity Icon86%
Wind Icon22km/h
Mon. 17, Aug.
sunnySunny
Temperature Icon-24°/-29°
Humidity Icon96%
Wind Icon19.8km/h
Tue. 18, Aug.
light snowLight Snow
Temperature Icon-14°/-23°
Humidity Icon95%
Wind Icon23.4km/h
Wed. 19, Aug.
light freezing rainFreezing Rain
Temperature Icon-16°/-25°
Humidity Icon95%
Wind Icon29.2km/h
Thu. 20, Aug.
sunnySunny
Temperature Icon-26°/-30°
Humidity Icon97%
Wind Icon22.7km/h
Fri. 21, Aug.
sunnySunny
Temperature Icon-23°/-29°
Humidity Icon93%
Wind Icon19.8km/h
Sat. 22, Aug.
freezing fogFreezing Fog
Temperature Icon-22°/-29°
Humidity Icon97%
Wind Icon11.5km/h
Sun. 23, Aug.
light snowLight Snow
Temperature Icon-25°/-30°
Humidity Icon94%
Wind Icon17.6km/h
Mon. 24, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon14°/9°
Humidity Icon81%
Wind Icon19.7km/h
Tue. 25, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon13°/9°
Humidity Icon80%
Wind Icon21.8km/h
Wed. 26, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon13°/9°
Humidity Icon81%
Wind Icon23.2km/h
Thu. 27, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon13°/8°
Humidity Icon80%
Wind Icon24.3km/h
Fri. 28, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon12°/8°
Humidity Icon80%
Wind Icon22.3km/h
Sat. 29, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon12°/8°
Humidity Icon80%
Wind Icon20.9km/h
Sun. 30, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon12°/8°
Humidity Icon85%
Wind Icon26.5km/h
Mon. 31, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon12°/9°
Humidity Icon84%
Wind Icon29.5km/h
Tue. 1, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon12°/8°
Humidity Icon82%
Wind Icon25.8km/h
Wed. 2, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon12°/8°
Humidity Icon81%
Wind Icon25.9km/h
Thu. 3, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon12°/8°
Humidity Icon83%
Wind Icon24.3km/h
Fri. 4, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon11°/8°
Humidity Icon83%
Wind Icon23.3km/h
Sat. 5, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon12°/7°
Humidity Icon81%
Wind Icon21.7km/h
Sun. 6, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon12°/8°
Humidity Icon83%
Wind Icon23.8km/h
Mon. 7, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon12°/8°
Humidity Icon82%
Wind Icon29km/h
Tue. 8, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon11°/7°
Humidity Icon81%
Wind Icon27.1km/h
Wed. 9, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon11°/7°
Humidity Icon82%
Wind Icon25.8km/h
Thu. 10, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon11°/7°
Humidity Icon81%
Wind Icon29.2km/h
Fri. 11, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon11°/7°
Humidity Icon80%
Wind Icon24.8km/h
Sat. 12, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon11°/6°
Humidity Icon80%
Wind Icon26.8km/h
Sun. 13, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon10°/6°
Humidity Icon79%
Wind Icon26.7km/h
Mon. 14, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon11°/6°
Humidity Icon79%
Wind Icon27.4km/h
Tue. 15, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon10°/6°
Humidity Icon79%
Wind Icon28km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 24, Aug.

14°C

Low will be onSun. 16, Aug.

-30°C

HumidityHumidity

High will be onThu. 20, Aug.

97%

Low will be onSun. 13, Sep.

79%

Wind SpeedWind Speed

High will be onMon. 31, Aug.

29.5km/h

Low will be onSat. 22, Aug.

11.5km/h

PrecipitationPrecipitation

High will be onMon. 31, Aug.

7.7mm

Low will be onThu. 20, Aug.

0.01mm

Ultraviolet IndexUV

High will be onSun. 16, Aug.

3

Low will be onSat. 22, Aug.

1

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