Karlskrona, Blekinge, Sweden Climate Change Severity

48
High
The current climate change severity in Karlskrona is High, with a 2.2% worsening in the climate score compared to last 15 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Aug. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Karlskrona 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), Karlskrona temperature has changed by around +3.8%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
3738
2.7%
cloudyCloudy
5852
-10.3%
rainyRainy
11091
-17.2%
snowySnowy
34
33.3%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 15 years, Karlskrona 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 2025, Karlskrona experienced significant changes:

Temperature change of

+0.3 °C

Variation in annual rainfall

-31.8 %

Change in average humidity

-3.7 %

PM2.5 levels surged by

-18.07 %

Heatwave changed by

-10.9 day(s)

Coldwave changed by

-6.2 day(s)

Wind speeds changed by

-1.7 km/h

These indicators show that Karlskrona 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 Aug.

Karlskrona Weather Forecast 30 Days (September - October 2025)
Karlskrona, Blekinge, Sweden

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sat. 20, Sep.
sunnySunny
Temperature Icon22°/14°
Humidity Icon81%
Wind Icon18km/h
Sun. 21, Sep.
partly cloudyPartly Cloudy
Temperature Icon21°/12°
Humidity Icon74%
Wind Icon30km/h
Mon. 22, Sep.
sunnySunny
Temperature Icon15°/8°
Humidity Icon60%
Wind Icon28km/h
Tue. 23, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon15°/8°
Humidity Icon77%
Wind Icon22km/h
Wed. 24, Sep.
sunnySunny
Temperature Icon15°/6°
Humidity Icon68%
Wind Icon16km/h
Thu. 25, Sep.
sunnySunny
Temperature Icon15°/7°
Humidity Icon69%
Wind Icon17km/h
Fri. 26, Sep.
overcastOvercast
Temperature Icon15°/8°
Humidity Icon73%
Wind Icon13km/h
Sat. 27, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon14°/8°
Humidity Icon75%
Wind Icon28km/h
Sun. 28, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon13°/10°
Humidity Icon63%
Wind Icon24km/h
Mon. 29, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon13°/10°
Humidity Icon66%
Wind Icon17km/h
Tue. 30, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon14°/8°
Humidity Icon71%
Wind Icon15km/h
Wed. 1, Oct.
sunnySunny
Temperature Icon14°/8°
Humidity Icon75%
Wind Icon14km/h
Thu. 2, Oct.
sunnySunny
Temperature Icon15°/8°
Humidity Icon77%
Wind Icon10km/h
Fri. 3, Oct.
partly cloudyPartly Cloudy
Temperature Icon15°/7°
Humidity Icon68%
Wind Icon8km/h
Sat. 4, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/10°
Humidity Icon79%
Wind Icon28km/h
Sun. 5, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/10°
Humidity Icon80%
Wind Icon28km/h
Mon. 6, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon13°/10°
Humidity Icon81%
Wind Icon28km/h
Tue. 7, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/9°
Humidity Icon78%
Wind Icon27km/h
Wed. 8, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon12°/9°
Humidity Icon77%
Wind Icon26km/h
Thu. 9, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/8°
Humidity Icon78%
Wind Icon25km/h
Fri. 10, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/9°
Humidity Icon81%
Wind Icon23km/h
Sat. 11, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/8°
Humidity Icon82%
Wind Icon25km/h
Sun. 12, Oct.
moderate rain at timesModerate rain at times
Temperature Icon12°/8°
Humidity Icon79%
Wind Icon25km/h
Mon. 13, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/8°
Humidity Icon81%
Wind Icon25km/h
Tue. 14, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/8°
Humidity Icon80%
Wind Icon26km/h
Wed. 15, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon11°/8°
Humidity Icon79%
Wind Icon26km/h
Thu. 16, Oct.
moderate rain at timesModerate rain at times
Temperature Icon11°/8°
Humidity Icon80%
Wind Icon22km/h
Fri. 17, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon11°/8°
Humidity Icon82%
Wind Icon22km/h
Sat. 18, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon11°/8°
Humidity Icon80%
Wind Icon23km/h
Sun. 19, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/8°
Humidity Icon80%
Wind Icon23km/h
Mon. 20, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/8°
Humidity Icon84%
Wind Icon24km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSat. 20, Sep.

22.3°C

Low will be onWed. 24, Sep.

6.4°C

HumidityHumidity

High will be onMon. 20, Oct.

84%

Low will be onMon. 22, Sep.

60%

Wind SpeedWind Speed

High will be onSun. 21, Sep.

30.2km/h

Low will be onFri. 3, Oct.

8.3km/h

PrecipitationPrecipitation

High will be onMon. 13, Oct.

4.5mm

Low will be onTue. 30, Sep.

0.06mm

Ultraviolet IndexUV

High will be onThu. 25, Sep.

4

Low will be onMon. 22, Sep.

0.4

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