Harjavalta, Satakunta, Finland Climate Change Severity

38
Moderate
The current climate change severity in Harjavalta is Moderate, with a 21.5% 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 Oct. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (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 +11.06%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
3822
-42.1%
cloudyCloudy
6839
-42.6%
rainyRainy
132111
-15.9%
snowySnowy
910
11.1%
mistyMisty
06
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 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, Harjavalta experienced significant changes:

Temperature change of

+0.7 °C

Variation in annual rainfall

-16.3 %

Change in average humidity

-2.04 %

PM2.5 levels surged by

-7.7 %

Heatwave changed by

+3.6 day(s)

Coldwave changed by

-5.3 day(s)

Wind speeds changed by

+0.6 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 Oct.

Harjavalta Weather Forecast 30 Days (November - December 2025)
Harjavalta, Satakunta, Finland

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Tue. 25, Nov.
light freezing rainLight freezing rain
Temperature Icon0°/-3°
Humidity Icon82%
Wind Icon11km/h
Wed. 26, Nov.
partly cloudyPartly Cloudy
Temperature Icon2°/0°
Humidity Icon76%
Wind Icon15km/h
Thu. 27, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon4°/1°
Humidity Icon79%
Wind Icon31km/h
Fri. 28, Nov.
moderate rainModerate rain
Temperature Icon7°/5°
Humidity Icon92%
Wind Icon30km/h
Sat. 29, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon6°/4°
Humidity Icon87%
Wind Icon24km/h
Sun. 30, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon6°/5°
Humidity Icon93%
Wind Icon21km/h
Mon. 1, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon5°/1°
Humidity Icon92%
Wind Icon20km/h
Tue. 2, Dec.
light freezing rainLight freezing rain
Temperature Icon-1°/-2°
Humidity Icon78%
Wind Icon17km/h
Wed. 3, Dec.
sunnySunny
Temperature Icon-3°/-4°
Humidity Icon74%
Wind Icon14km/h
Thu. 4, Dec.
moderate snowModerate snow
Temperature Icon4°/-4°
Humidity Icon84%
Wind Icon28km/h
Fri. 5, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon5°/3°
Humidity Icon92%
Wind Icon26km/h
Sat. 6, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon6°/3°
Humidity Icon91%
Wind Icon32km/h
Sun. 7, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon5°/3°
Humidity Icon85%
Wind Icon39km/h
Mon. 8, Dec.
partly cloudyPartly Cloudy
Temperature Icon5°/4°
Humidity Icon73%
Wind Icon38km/h
Tue. 9, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon0°/-3°
Humidity Icon89%
Wind Icon22km/h
Wed. 10, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon0°/-3°
Humidity Icon86%
Wind Icon21km/h
Thu. 11, Dec.
moderate snowModerate snow
Temperature Icon0°/-3°
Humidity Icon88%
Wind Icon20km/h
Fri. 12, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon0°/-3°
Humidity Icon88%
Wind Icon21km/h
Sat. 13, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-1°/-4°
Humidity Icon88%
Wind Icon21km/h
Sun. 14, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-2°/-4°
Humidity Icon89%
Wind Icon20km/h
Mon. 15, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-1°/-4°
Humidity Icon91%
Wind Icon21km/h
Tue. 16, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-3°
Humidity Icon90%
Wind Icon22km/h
Wed. 17, Dec.
moderate snowModerate snow
Temperature Icon1°/-3°
Humidity Icon90%
Wind Icon22km/h
Thu. 18, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon0°/-3°
Humidity Icon93%
Wind Icon21km/h
Fri. 19, Dec.
moderate snowModerate snow
Temperature Icon1°/-2°
Humidity Icon91%
Wind Icon22km/h
Sat. 20, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon0°/-3°
Humidity Icon91%
Wind Icon22km/h
Sun. 21, Dec.
moderate snowModerate snow
Temperature Icon-1°/-3°
Humidity Icon90%
Wind Icon21km/h
Mon. 22, Dec.
moderate snowModerate snow
Temperature Icon0°/-4°
Humidity Icon90%
Wind Icon22km/h
Tue. 23, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-1°/-4°
Humidity Icon90%
Wind Icon21km/h
Wed. 24, Dec.
moderate snowModerate snow
Temperature Icon-1°/-5°
Humidity Icon89%
Wind Icon21km/h
Thu. 25, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon0°/-4°
Humidity Icon90%
Wind Icon23km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 28, Nov.

6.5°C

Low will be onWed. 24, Dec.

-4.8°C

HumidityHumidity

High will be onSun. 30, Nov.

93%

Low will be onMon. 8, Dec.

73%

Wind SpeedWind Speed

High will be onSun. 7, Dec.

39.2km/h

Low will be onTue. 25, Nov.

11.2km/h

PrecipitationPrecipitation

High will be onFri. 28, Nov.

5.8mm

Low will be onWed. 26, Nov.

0.01mm

Ultraviolet IndexUV

High will be onSun. 30, Nov.

2

Low will be onMon. 1, Dec.

1

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