Helsinki, Uusimaa, Finland Climate Change Severity

43
High
The current climate change severity in Helsinki is High, with a -11.4% 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 Jun. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Helsinki 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), Helsinki temperature has changed by around +30.8%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty

Data: Jan. to Jun. (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
2012
-40%
cloudyCloudy
4129
-29.2%
rainyRainy
6966
-4.3%
snowySnowy
1210
-16.6%
mistyMisty
00
0%

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

Climate Change Indicators:

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

Temperature change of

+1.02 °C

Variation in annual rainfall

+28.4 %

Change in average humidity

-4.1 %

PM2.5 levels surged by

-20.2 %

Heatwave changed by

-9.3 day(s)

Coldwave changed by

-3.2 day(s)

Wind speeds changed by

-0.2 km/h

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

Helsinki Weather Forecast 30 Days (July - August 2025)
Helsinki, Uusimaa, Finland

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sat. 19, Jul.
patchy rain possiblePatchy rain nearby
Temperature Icon22°/15°
Humidity Icon69%
Wind Icon15km/h
Sun. 20, Jul.
sunnySunny
Temperature Icon23°/15°
Humidity Icon65%
Wind Icon16km/h
Mon. 21, Jul.
partly cloudyPartly Cloudy
Temperature Icon23°/15°
Humidity Icon71%
Wind Icon17km/h
Tue. 22, Jul.
partly cloudyPartly Cloudy
Temperature Icon23°/16°
Humidity Icon76%
Wind Icon16km/h
Wed. 23, Jul.
patchy rain possiblePatchy rain nearby
Temperature Icon21°/16°
Humidity Icon80%
Wind Icon15km/h
Thu. 24, Jul.
patchy rain possiblePatchy rain nearby
Temperature Icon24°/16°
Humidity Icon84%
Wind Icon11km/h
Fri. 25, Jul.
sunnySunny
Temperature Icon23°/18°
Humidity Icon77%
Wind Icon8km/h
Sat. 26, Jul.
sunnySunny
Temperature Icon22°/16°
Humidity Icon80%
Wind Icon17km/h
Sun. 27, Jul.
sunnySunny
Temperature Icon21°/14°
Humidity Icon76%
Wind Icon21km/h
Mon. 28, Jul.
sunnySunny
Temperature Icon20°/14°
Humidity Icon75%
Wind Icon18km/h
Tue. 29, Jul.
patchy rain possiblePatchy rain nearby
Temperature Icon20°/13°
Humidity Icon71%
Wind Icon11km/h
Wed. 30, Jul.
moderate rainModerate rain
Temperature Icon17°/14°
Humidity Icon94%
Wind Icon19km/h
Thu. 31, Jul.
sunnySunny
Temperature Icon20°/12°
Humidity Icon81%
Wind Icon15km/h
Fri. 1, Aug.
sunnySunny
Temperature Icon21°/14°
Humidity Icon74%
Wind Icon10km/h
Sat. 2, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon22°/15°
Humidity Icon73%
Wind Icon15km/h
Sun. 3, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon21°/15°
Humidity Icon74%
Wind Icon19km/h
Mon. 4, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/15°
Humidity Icon76%
Wind Icon20km/h
Tue. 5, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon21°/16°
Humidity Icon73%
Wind Icon19km/h
Wed. 6, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/16°
Humidity Icon76%
Wind Icon21km/h
Thu. 7, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/16°
Humidity Icon75%
Wind Icon20km/h
Fri. 8, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/16°
Humidity Icon74%
Wind Icon19km/h
Sat. 9, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/16°
Humidity Icon73%
Wind Icon19km/h
Sun. 10, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/15°
Humidity Icon72%
Wind Icon19km/h
Mon. 11, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/15°
Humidity Icon73%
Wind Icon19km/h
Tue. 12, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/14°
Humidity Icon74%
Wind Icon17km/h
Wed. 13, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/14°
Humidity Icon75%
Wind Icon21km/h
Thu. 14, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/14°
Humidity Icon75%
Wind Icon20km/h
Fri. 15, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon21°/15°
Humidity Icon75%
Wind Icon20km/h
Sat. 16, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/15°
Humidity Icon75%
Wind Icon19km/h
Sun. 17, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/15°
Humidity Icon75%
Wind Icon19km/h
Mon. 18, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/15°
Humidity Icon77%
Wind Icon21km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 24, Jul.

23.9°C

Low will be onThu. 31, Jul.

12.3°C

HumidityHumidity

High will be onWed. 30, Jul.

94%

Low will be onSun. 20, Jul.

65%

Wind SpeedWind Speed

High will be onSun. 27, Jul.

21.2km/h

Low will be onFri. 25, Jul.

8.3km/h

PrecipitationPrecipitation

High will be onWed. 30, Jul.

7.8mm

Low will be onFri. 25, Jul.

0.01mm

Ultraviolet IndexUV

High will be onFri. 25, Jul.

6

Low will be onSun. 20, Jul.

1.5

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