Gdynia, Pomorskie, Poland Climate Change Severity

38
Moderate
The current climate change severity in Gdynia is Moderate, with a 17.03% 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 Aug. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Gdynia 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), Gdynia temperature has changed by around +1.8%, 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
3230
-6.2%
cloudyCloudy
5336
-32.07%
rainyRainy
11780
-31.6%
snowySnowy
55
0%
mistyMisty
00
0%

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

Climate Change Indicators:

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

Temperature change of

+0.1 °C

Variation in annual rainfall

-9.3 %

Change in average humidity

-3.3 %

PM2.5 levels surged by

-26.2 %

Heatwave changed by

-2.5 day(s)

Coldwave changed by

0 day(s)

Wind speeds changed by

+0.3 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 Aug.

Gdynia Weather Forecast 30 Days (September - October 2025)
Gdynia, Pomorskie, Poland

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Tue. 2, Sep.
moderate rainModerate rain
Temperature Icon23°/15°
Humidity Icon84%
Wind Icon18km/h
Wed. 3, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon22°/15°
Humidity Icon76%
Wind Icon19km/h
Thu. 4, Sep.
sunnySunny
Temperature Icon25°/17°
Humidity Icon67%
Wind Icon16km/h
Fri. 5, Sep.
moderate rainModerate rain
Temperature Icon22°/17°
Humidity Icon77%
Wind Icon18km/h
Sat. 6, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon21°/17°
Humidity Icon88%
Wind Icon23km/h
Sun. 7, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon19°/15°
Humidity Icon88%
Wind Icon14km/h
Mon. 8, Sep.
sunnySunny
Temperature Icon19°/14°
Humidity Icon82%
Wind Icon10km/h
Tue. 9, Sep.
sunnySunny
Temperature Icon23°/16°
Humidity Icon73%
Wind Icon21km/h
Wed. 10, Sep.
partly cloudyPartly Cloudy
Temperature Icon20°/17°
Humidity Icon75%
Wind Icon15km/h
Thu. 11, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon19°/16°
Humidity Icon78%
Wind Icon25km/h
Fri. 12, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon22°/16°
Humidity Icon76%
Wind Icon22km/h
Sat. 13, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon23°/14°
Humidity Icon74%
Wind Icon26km/h
Sun. 14, Sep.
partly cloudyPartly Cloudy
Temperature Icon18°/13°
Humidity Icon74%
Wind Icon27km/h
Mon. 15, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon20°/12°
Humidity Icon70%
Wind Icon27km/h
Tue. 16, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon18°/12°
Humidity Icon75%
Wind Icon22km/h
Wed. 17, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/12°
Humidity Icon75%
Wind Icon23km/h
Thu. 18, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/12°
Humidity Icon72%
Wind Icon22km/h
Fri. 19, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/12°
Humidity Icon74%
Wind Icon20km/h
Sat. 20, Sep.
moderate rain at timesModerate rain at times
Temperature Icon17°/12°
Humidity Icon73%
Wind Icon17km/h
Sun. 21, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/12°
Humidity Icon73%
Wind Icon20km/h
Mon. 22, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon17°/12°
Humidity Icon74%
Wind Icon22km/h
Tue. 23, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/12°
Humidity Icon75%
Wind Icon25km/h
Wed. 24, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon16°/11°
Humidity Icon72%
Wind Icon23km/h
Thu. 25, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon16°/11°
Humidity Icon73%
Wind Icon20km/h
Fri. 26, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon17°/12°
Humidity Icon76%
Wind Icon20km/h
Sat. 27, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/12°
Humidity Icon76%
Wind Icon23km/h
Sun. 28, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/12°
Humidity Icon75%
Wind Icon23km/h
Mon. 29, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon15°/11°
Humidity Icon72%
Wind Icon22km/h
Tue. 30, Sep.
moderate rain at timesModerate rain at times
Temperature Icon15°/11°
Humidity Icon72%
Wind Icon24km/h
Wed. 1, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/10°
Humidity Icon72%
Wind Icon22km/h
Thu. 2, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/10°
Humidity Icon77%
Wind Icon21km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 4, Sep.

24.5°C

Low will be onWed. 1, Oct.

9.9°C

HumidityHumidity

High will be onSat. 6, Sep.

88%

Low will be onThu. 4, Sep.

67%

Wind SpeedWind Speed

High will be onSun. 14, Sep.

27km/h

Low will be onMon. 8, Sep.

9.7km/h

PrecipitationPrecipitation

High will be onTue. 2, Sep.

14.07mm

Low will be onWed. 10, Sep.

0.06mm

Ultraviolet IndexUV

High will be onMon. 8, Sep.

5

Low will be onTue. 2, Sep.

0.7

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