Naantali, Varsinais Suomi, Finland Climate Change Severity

48
High
The current climate change severity in Naantali is High, with a 0.6% 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 Oct. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Naantali 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), Naantali temperature has changed by around +9.9%, 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
3624
-33.3%
cloudyCloudy
6956
-18.8%
rainyRainy
137119
-13.1%
snowySnowy
97
-22.2%
mistyMisty
05
100%

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

Climate Change Indicators:

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

Temperature change of

+0.7 °C

Variation in annual rainfall

-9.9 %

Change in average humidity

-2.2 %

PM2.5 levels surged by

-29.07 %

Heatwave changed by

+0.8 day(s)

Coldwave changed by

-11.06 day(s)

Wind speeds changed by

-0.08 km/h

These indicators show that Naantali 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 Oct.

Naantali Weather Forecast 30 Days (November - December 2025)
Naantali, Varsinais Suomi, Finland

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Thu. 27, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon5°/2°
Humidity Icon72%
Wind Icon30km/h
Fri. 28, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon7°/6°
Humidity Icon95%
Wind Icon32km/h
Sat. 29, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon7°/6°
Humidity Icon85%
Wind Icon31km/h
Sun. 30, Nov.
moderate rainModerate rain
Temperature Icon7°/6°
Humidity Icon89%
Wind Icon30km/h
Mon. 1, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon5°/1°
Humidity Icon89%
Wind Icon21km/h
Tue. 2, Dec.
overcastOvercast
Temperature Icon5°/2°
Humidity Icon75%
Wind Icon26km/h
Wed. 3, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon6°/6°
Humidity Icon87%
Wind Icon27km/h
Thu. 4, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon7°/6°
Humidity Icon91%
Wind Icon27km/h
Fri. 5, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon5°/4°
Humidity Icon90%
Wind Icon35km/h
Sat. 6, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon4°/4°
Humidity Icon97%
Wind Icon33km/h
Sun. 7, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon4°/3°
Humidity Icon95%
Wind Icon11km/h
Mon. 8, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon6°/4°
Humidity Icon91%
Wind Icon25km/h
Tue. 9, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon6°/6°
Humidity Icon88%
Wind Icon34km/h
Wed. 10, Dec.
patchy rain possiblePatchy rain nearby
Temperature Icon5°/4°
Humidity Icon83%
Wind Icon22km/h
Thu. 11, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-2°
Humidity Icon88%
Wind Icon22km/h
Fri. 12, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-3°
Humidity Icon87%
Wind Icon22km/h
Sat. 13, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon0°/-3°
Humidity Icon87%
Wind Icon24km/h
Sun. 14, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon0°/-3°
Humidity Icon87%
Wind Icon22km/h
Mon. 15, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon0°/-3°
Humidity Icon89%
Wind Icon23km/h
Tue. 16, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-2°
Humidity Icon88%
Wind Icon24km/h
Wed. 17, Dec.
moderate snowModerate snow
Temperature Icon1°/-2°
Humidity Icon89%
Wind Icon24km/h
Thu. 18, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-2°
Humidity Icon92%
Wind Icon21km/h
Fri. 19, Dec.
moderate snowModerate snow
Temperature Icon2°/-1°
Humidity Icon90%
Wind Icon23km/h
Sat. 20, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-2°
Humidity Icon89%
Wind Icon23km/h
Sun. 21, Dec.
moderate snowModerate snow
Temperature Icon1°/-2°
Humidity Icon89%
Wind Icon23km/h
Mon. 22, Dec.
moderate snowModerate snow
Temperature Icon1°/-3°
Humidity Icon90%
Wind Icon23km/h
Tue. 23, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon0°/-3°
Humidity Icon90%
Wind Icon22km/h
Wed. 24, Dec.
moderate snowModerate snow
Temperature Icon0°/-4°
Humidity Icon88%
Wind Icon22km/h
Thu. 25, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-3°
Humidity Icon89%
Wind Icon25km/h
Fri. 26, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-3°
Humidity Icon86%
Wind Icon26km/h
Sat. 27, Dec.
moderate snowModerate snow
Temperature Icon0°/-3°
Humidity Icon87%
Wind Icon22km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 28, Nov.

7.2°C

Low will be onWed. 24, Dec.

-4.2°C

HumidityHumidity

High will be onSat. 6, Dec.

97%

Low will be onThu. 27, Nov.

72%

Wind SpeedWind Speed

High will be onFri. 5, Dec.

35.3km/h

Low will be onSun. 7, Dec.

11.2km/h

PrecipitationPrecipitation

High will be onSun. 30, Nov.

6.4mm

Low will be onTue. 2, Dec.

0.04mm

Ultraviolet IndexUV

High will be onWed. 3, Dec.

2

Low will be onTue. 2, Dec.

1

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