Harjavalta, Satakunta, Finland Climate Change Severity

43
High
The current climate change severity in Harjavalta is High, with a -8.3% 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

Harjavalta 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), Harjavalta temperature has changed by around +17.4%, 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
2818
-35.7%
cloudyCloudy
4730
-36.1%
rainyRainy
8381
-2.4%
snowySnowy
810
25%
mistyMisty
01
100%

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

Climate Change Indicators:

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

Temperature change of

+0.8 °C

Variation in annual rainfall

-8.9 %

Change in average humidity

-3.08 %

PM2.5 levels surged by

-12.5 %

Heatwave changed by

+1.4 day(s)

Coldwave changed by

-7.4 day(s)

Wind speeds changed by

+0.6 km/h

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

Harjavalta Weather Forecast 30 Days (August - September 2025)
Harjavalta, Satakunta, Finland

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sat. 2, Aug.
moderate rainModerate rain
Temperature Icon21°/14°
Humidity Icon85%
Wind Icon15km/h
Sun. 3, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon22°/13°
Humidity Icon79%
Wind Icon14km/h
Mon. 4, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon26°/15°
Humidity Icon84%
Wind Icon13km/h
Tue. 5, Aug.
moderate rainModerate rain
Temperature Icon19°/14°
Humidity Icon91%
Wind Icon19km/h
Wed. 6, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon17°/12°
Humidity Icon83%
Wind Icon27km/h
Thu. 7, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon18°/14°
Humidity Icon70%
Wind Icon23km/h
Fri. 8, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon18°/15°
Humidity Icon79%
Wind Icon23km/h
Sat. 9, Aug.
sunnySunny
Temperature Icon20°/13°
Humidity Icon72%
Wind Icon12km/h
Sun. 10, Aug.
sunnySunny
Temperature Icon22°/12°
Humidity Icon66%
Wind Icon21km/h
Mon. 11, Aug.
partly cloudyPartly Cloudy
Temperature Icon20°/14°
Humidity Icon75%
Wind Icon21km/h
Tue. 12, Aug.
sunnySunny
Temperature Icon22°/14°
Humidity Icon62%
Wind Icon9km/h
Wed. 13, Aug.
sunnySunny
Temperature Icon21°/13°
Humidity Icon73%
Wind Icon15km/h
Thu. 14, Aug.
sunnySunny
Temperature Icon19°/14°
Humidity Icon69%
Wind Icon15km/h
Fri. 15, Aug.
partly cloudyPartly Cloudy
Temperature Icon19°/14°
Humidity Icon72%
Wind Icon13km/h
Sat. 16, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/13°
Humidity Icon75%
Wind Icon18km/h
Sun. 17, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/14°
Humidity Icon74%
Wind Icon18km/h
Mon. 18, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/13°
Humidity Icon76%
Wind Icon18km/h
Tue. 19, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/13°
Humidity Icon77%
Wind Icon20km/h
Wed. 20, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon19°/13°
Humidity Icon72%
Wind Icon18km/h
Thu. 21, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/13°
Humidity Icon76%
Wind Icon18km/h
Fri. 22, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/13°
Humidity Icon77%
Wind Icon18km/h
Sat. 23, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/12°
Humidity Icon75%
Wind Icon17km/h
Sun. 24, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/12°
Humidity Icon76%
Wind Icon16km/h
Mon. 25, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/12°
Humidity Icon75%
Wind Icon17km/h
Tue. 26, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/12°
Humidity Icon81%
Wind Icon19km/h
Wed. 27, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/13°
Humidity Icon79%
Wind Icon20km/h
Thu. 28, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/12°
Humidity Icon79%
Wind Icon19km/h
Fri. 29, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/12°
Humidity Icon76%
Wind Icon17km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/11°
Humidity Icon76%
Wind Icon15km/h
Sun. 31, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/11°
Humidity Icon77%
Wind Icon18km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/11°
Humidity Icon80%
Wind Icon18km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 4, Aug.

25.9°C

Low will be onMon. 1, Sep.

11.1°C

HumidityHumidity

High will be onTue. 5, Aug.

91%

Low will be onTue. 12, Aug.

62%

Wind SpeedWind Speed

High will be onWed. 6, Aug.

27.4km/h

Low will be onTue. 12, Aug.

9.4km/h

PrecipitationPrecipitation

High will be onTue. 5, Aug.

14.1mm

Low will be onThu. 7, Aug.

0.1mm

Ultraviolet IndexUV

High will be onSat. 9, Aug.

5

Low will be onTue. 5, Aug.

0.5

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