Selfoss, Su Urland, Iceland Climate Change Severity

38
Moderate
The current climate change severity in Selfoss is Moderate, with a 16.2% 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 Sep. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (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 +17.5%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
2124
14.2%
cloudyCloudy
5223
-55.7%
rainyRainy
144104
-27.7%
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 improvements in key climate parameters, contributing to the current severity score of 38 (within the Moderate severity category). This suggests improving climate conditions compared to previous years. Here’s a breakdown of the specific changes observed:

Severity Score

38/100

Moderate

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Selfoss experienced significant changes:

Temperature change of

+0.6 °C

Variation in annual rainfall

+2.6 %

Change in average humidity

-2.7 %

PM2.5 levels surged by

-31.4 %

Heatwave changed by

+3.5 day(s)

Coldwave changed by

-4.1 day(s)

Wind speeds changed by

+1.7 km/h

These indicators show reduced climate volatility, offering a valuable window to reinforce sustainable practices and strengthen long-term climate resilience. As the severity shifts toward Moderate, it is important to maintain momentum in climate adaptation efforts.

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

Selfoss Weather Forecast 30 Days (October - November 2025)
Selfoss, Su Urland, Iceland

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Fri. 17, Oct.
partly cloudyPartly Cloudy
Temperature Icon7°/1°
Humidity Icon89%
Wind Icon4km/h
Sat. 18, Oct.
cloudyCloudy
Temperature Icon6°/0°
Humidity Icon86%
Wind Icon12km/h
Sun. 19, Oct.
partly cloudyPartly Cloudy
Temperature Icon6°/1°
Humidity Icon81%
Wind Icon14km/h
Mon. 20, Oct.
moderate rainModerate rain
Temperature Icon3°/0°
Humidity Icon96%
Wind Icon5km/h
Tue. 21, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon4°/-1°
Humidity Icon85%
Wind Icon27km/h
Wed. 22, Oct.
sunnySunny
Temperature Icon2°/-3°
Humidity Icon71%
Wind Icon13km/h
Thu. 23, Oct.
overcastOvercast
Temperature Icon0°/-4°
Humidity Icon70%
Wind Icon10km/h
Fri. 24, Oct.
sunnySunny
Temperature Icon-2°/-6°
Humidity Icon72%
Wind Icon16km/h
Sat. 25, Oct.
sunnySunny
Temperature Icon-2°/-5°
Humidity Icon70%
Wind Icon16km/h
Sun. 26, Oct.
light freezing rainLight freezing rain
Temperature Icon-4°/-7°
Humidity Icon62%
Wind Icon12km/h
Mon. 27, Oct.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon0°/-6°
Humidity Icon94%
Wind Icon11km/h
Tue. 28, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon3°/-1°
Humidity Icon99%
Wind Icon13km/h
Wed. 29, Oct.
patchy moderate snowPatchy moderate snow
Temperature Icon2°/-1°
Humidity Icon89%
Wind Icon17km/h
Thu. 30, Oct.
moderate rainModerate rain
Temperature Icon6°/1°
Humidity Icon97%
Wind Icon26km/h
Fri. 31, Oct.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-2°
Humidity Icon89%
Wind Icon21km/h
Sat. 1, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-3°
Humidity Icon84%
Wind Icon20km/h
Sun. 2, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-3°
Humidity Icon85%
Wind Icon24km/h
Mon. 3, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-3°
Humidity Icon82%
Wind Icon22km/h
Tue. 4, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-3°
Humidity Icon86%
Wind Icon20km/h
Wed. 5, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-2°
Humidity Icon85%
Wind Icon26km/h
Thu. 6, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-2°
Humidity Icon84%
Wind Icon26km/h
Fri. 7, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-2°
Humidity Icon89%
Wind Icon27km/h
Sat. 8, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-2°
Humidity Icon87%
Wind Icon30km/h
Sun. 9, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-2°
Humidity Icon88%
Wind Icon22km/h
Mon. 10, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-3°
Humidity Icon88%
Wind Icon25km/h
Wed. 12, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-3°
Humidity Icon86%
Wind Icon26km/h
Thu. 13, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-2°
Humidity Icon84%
Wind Icon26km/h
Fri. 14, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-2°
Humidity Icon87%
Wind Icon24km/h
Sat. 15, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-3°
Humidity Icon85%
Wind Icon27km/h
Sun. 16, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-3°
Humidity Icon86%
Wind Icon21km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 17, Oct.

6.5°C

Low will be onSun. 26, Oct.

-7.3°C

HumidityHumidity

High will be onTue. 28, Oct.

99%

Low will be onSun. 26, Oct.

62%

Wind SpeedWind Speed

High will be onSat. 8, Nov.

30.2km/h

Low will be onFri. 17, Oct.

3.6km/h

PrecipitationPrecipitation

High will be onThu. 30, Oct.

11.2mm

Low will be onSun. 19, Oct.

0.01mm

Ultraviolet IndexUV

High will be onWed. 22, Oct.

2

Low will be onTue. 21, Oct.

1

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