Skien, Telemark, Norway Climate Change Severity

52
High
The current climate change severity in Skien is High, with a -1.2% 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 Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Skien 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), Skien temperature has changed by around +8.6%, 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
3840
5.2%
cloudyCloudy
5457
5.5%
rainyRainy
8454
-35.7%
snowySnowy
98
-11.1%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 15 years, Skien has experienced measurable shifts in key climate parameters, contributing to the current severity score of 52 (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

52/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Skien experienced significant changes:

Temperature change of

+0.5 °C

Variation in annual rainfall

-34.9 %

Change in average humidity

-5.2 %

PM2.5 levels surged by

-13.6 %

Heatwave changed by

-2.2 day(s)

Coldwave changed by

-5.4 day(s)

Wind speeds changed by

-3.5 km/h

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

Skien Weather Forecast 30 Days (August - September 2025)
Skien, Telemark, Norway

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Mon. 11, Aug.
partly cloudyPartly Cloudy
Temperature Icon22°/12°
Humidity Icon58%
Wind Icon22km/h
Tue. 12, Aug.
sunnySunny
Temperature Icon21°/9°
Humidity Icon62%
Wind Icon13km/h
Wed. 13, Aug.
sunnySunny
Temperature Icon23°/12°
Humidity Icon70%
Wind Icon14km/h
Thu. 14, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon21°/13°
Humidity Icon79%
Wind Icon11km/h
Fri. 15, Aug.
sunnySunny
Temperature Icon25°/13°
Humidity Icon82%
Wind Icon11km/h
Sat. 16, Aug.
sunnySunny
Temperature Icon25°/16°
Humidity Icon74%
Wind Icon13km/h
Sun. 17, Aug.
sunnySunny
Temperature Icon25°/15°
Humidity Icon72%
Wind Icon18km/h
Mon. 18, Aug.
sunnySunny
Temperature Icon25°/14°
Humidity Icon74%
Wind Icon12km/h
Tue. 19, Aug.
partly cloudyPartly Cloudy
Temperature Icon20°/11°
Humidity Icon54%
Wind Icon28km/h
Wed. 20, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon18°/11°
Humidity Icon68%
Wind Icon12km/h
Thu. 21, Aug.
partly cloudyPartly Cloudy
Temperature Icon17°/9°
Humidity Icon69%
Wind Icon13km/h
Fri. 22, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon16°/10°
Humidity Icon73%
Wind Icon17km/h
Sat. 23, Aug.
moderate rainModerate rain
Temperature Icon11°/9°
Humidity Icon93%
Wind Icon26km/h
Sun. 24, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon16°/8°
Humidity Icon83%
Wind Icon12km/h
Mon. 25, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/12°
Humidity Icon78%
Wind Icon14km/h
Tue. 26, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/12°
Humidity Icon76%
Wind Icon19km/h
Wed. 27, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/12°
Humidity Icon77%
Wind Icon18km/h
Thu. 28, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/12°
Humidity Icon80%
Wind Icon21km/h
Fri. 29, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/12°
Humidity Icon78%
Wind Icon21km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/11°
Humidity Icon75%
Wind Icon18km/h
Sun. 31, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/12°
Humidity Icon73%
Wind Icon17km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/11°
Humidity Icon72%
Wind Icon16km/h
Tue. 2, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/11°
Humidity Icon74%
Wind Icon19km/h
Wed. 3, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/11°
Humidity Icon77%
Wind Icon17km/h
Thu. 4, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/11°
Humidity Icon79%
Wind Icon17km/h
Fri. 5, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon17°/11°
Humidity Icon79%
Wind Icon17km/h
Sat. 6, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/11°
Humidity Icon80%
Wind Icon20km/h
Sun. 7, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/11°
Humidity Icon78%
Wind Icon20km/h
Mon. 8, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/11°
Humidity Icon78%
Wind Icon19km/h
Tue. 9, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/11°
Humidity Icon79%
Wind Icon19km/h
Wed. 10, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/11°
Humidity Icon81%
Wind Icon19km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 17, Aug.

25.3°C

Low will be onSun. 24, Aug.

8.2°C

HumidityHumidity

High will be onSat. 23, Aug.

93%

Low will be onTue. 19, Aug.

54%

Wind SpeedWind Speed

High will be onTue. 19, Aug.

27.7km/h

Low will be onFri. 15, Aug.

10.8km/h

PrecipitationPrecipitation

High will be onSat. 23, Aug.

9.9mm

Low will be onMon. 11, Aug.

0.05mm

Ultraviolet IndexUV

High will be onSat. 16, Aug.

5

Low will be onThu. 14, Aug.

0.8

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