Selfoss, Su Urland, Iceland Climate Change Severity

43
High
The current climate change severity in Selfoss is High, with a -4.7% 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 Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Selfoss 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), Selfoss temperature has changed by around +29.4%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Jul. (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
1619
18.7%
cloudyCloudy
4018
-55.00000000000001%
rainyRainy
10587
-17.1%
snowySnowy
2728
3.7%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 15 years, Selfoss 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, Selfoss experienced significant changes:

Temperature change of

+0.7 °C

Variation in annual rainfall

+10.9 %

Change in average humidity

-2.8 %

PM2.5 levels surged by

-28.8 %

Heatwave changed by

+5.2 day(s)

Coldwave changed by

-3.3 day(s)

Wind speeds changed by

+0.9 km/h

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

Selfoss Weather Forecast 30 Days (August - September 2025)
Selfoss, Su Urland, Iceland

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sun. 3, Aug.
moderate rainModerate rain
Temperature Icon11°/5°
Humidity Icon93%
Wind Icon35km/h
Mon. 4, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon12°/5°
Humidity Icon82%
Wind Icon11km/h
Tue. 5, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon11°/4°
Humidity Icon91%
Wind Icon21km/h
Wed. 6, Aug.
moderate rainModerate rain
Temperature Icon11°/7°
Humidity Icon97%
Wind Icon17km/h
Thu. 7, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon11°/7°
Humidity Icon90%
Wind Icon12km/h
Fri. 8, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon13°/5°
Humidity Icon82%
Wind Icon47km/h
Sat. 9, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon15°/6°
Humidity Icon69%
Wind Icon35km/h
Sun. 10, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon14°/5°
Humidity Icon75%
Wind Icon11km/h
Mon. 11, Aug.
partly cloudyPartly Cloudy
Temperature Icon11°/5°
Humidity Icon76%
Wind Icon19km/h
Tue. 12, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon10°/5°
Humidity Icon83%
Wind Icon17km/h
Wed. 13, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon11°/6°
Humidity Icon86%
Wind Icon22km/h
Thu. 14, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon11°/4°
Humidity Icon86%
Wind Icon26km/h
Fri. 15, Aug.
moderate rainModerate rain
Temperature Icon9°/5°
Humidity Icon96%
Wind Icon29km/h
Sat. 16, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon10°/1°
Humidity Icon78%
Wind Icon22km/h
Sun. 17, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/6°
Humidity Icon82%
Wind Icon18km/h
Mon. 18, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/6°
Humidity Icon82%
Wind Icon18km/h
Tue. 19, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/6°
Humidity Icon78%
Wind Icon15km/h
Wed. 20, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/6°
Humidity Icon78%
Wind Icon18km/h
Thu. 21, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/5°
Humidity Icon77%
Wind Icon17km/h
Fri. 22, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/5°
Humidity Icon78%
Wind Icon15km/h
Sat. 23, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/6°
Humidity Icon82%
Wind Icon14km/h
Sun. 24, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/6°
Humidity Icon82%
Wind Icon16km/h
Mon. 25, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/6°
Humidity Icon81%
Wind Icon17km/h
Tue. 26, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/6°
Humidity Icon84%
Wind Icon17km/h
Wed. 27, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/5°
Humidity Icon85%
Wind Icon18km/h
Thu. 28, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/5°
Humidity Icon84%
Wind Icon17km/h
Fri. 29, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/4°
Humidity Icon83%
Wind Icon17km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/5°
Humidity Icon85%
Wind Icon18km/h
Sun. 31, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/5°
Humidity Icon88%
Wind Icon21km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/5°
Humidity Icon87%
Wind Icon20km/h
Tue. 2, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/5°
Humidity Icon86%
Wind Icon18km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSat. 9, Aug.

14.9°C

Low will be onSat. 16, Aug.

0.8°C

HumidityHumidity

High will be onWed. 6, Aug.

97%

Low will be onSat. 9, Aug.

69%

Wind SpeedWind Speed

High will be onFri. 8, Aug.

47.2km/h

Low will be onMon. 4, Aug.

10.8km/h

PrecipitationPrecipitation

High will be onSun. 3, Aug.

17.8mm

Low will be onMon. 11, Aug.

0.04mm

Ultraviolet IndexUV

High will be onMon. 11, Aug.

3

Low will be onSun. 3, Aug.

0.2

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