Poznan, Greater Poland Voivodeship, Poland Climate Change Severity

38
Moderate
The current climate change severity in Poznan is Moderate, with a 23.3% 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 Aug. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Poznan 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), Poznan temperature has changed by around +2.1%, 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
3138
22.5%
cloudyCloudy
5844
-24.1%
rainyRainy
11566
-42.6%
snowySnowy
35
66.6%
mistyMisty
00
0%

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

Climate Change Indicators:

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

Temperature change of

+0.2 °C

Variation in annual rainfall

-19.09 %

Change in average humidity

-5.8 %

PM2.5 levels surged by

+100 %

Heatwave changed by

-4.3 day(s)

Coldwave changed by

-6.2 day(s)

Wind speeds changed by

+1.08 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.

Poznan Weather Forecast 30 Days (September - October 2025)
Poznan, Greater Poland Voivodeship, Poland

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Fri. 19, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon23°/16°
Humidity Icon77%
Wind Icon23km/h
Sat. 20, Sep.
sunnySunny
Temperature Icon29°/15°
Humidity Icon64%
Wind Icon16km/h
Sun. 21, Sep.
sunnySunny
Temperature Icon28°/17°
Humidity Icon59%
Wind Icon19km/h
Mon. 22, Sep.
overcastOvercast
Temperature Icon15°/13°
Humidity Icon69%
Wind Icon30km/h
Tue. 23, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon17°/11°
Humidity Icon63%
Wind Icon13km/h
Wed. 24, Sep.
partly cloudyPartly Cloudy
Temperature Icon17°/11°
Humidity Icon56%
Wind Icon31km/h
Thu. 25, Sep.
overcastOvercast
Temperature Icon15°/9°
Humidity Icon49%
Wind Icon30km/h
Fri. 26, Sep.
partly cloudyPartly Cloudy
Temperature Icon18°/10°
Humidity Icon40%
Wind Icon25km/h
Sat. 27, Sep.
partly cloudyPartly Cloudy
Temperature Icon19°/10°
Humidity Icon44%
Wind Icon17km/h
Sun. 28, Sep.
sunnySunny
Temperature Icon20°/10°
Humidity Icon44%
Wind Icon16km/h
Mon. 29, Sep.
sunnySunny
Temperature Icon19°/9°
Humidity Icon44%
Wind Icon16km/h
Tue. 30, Sep.
sunnySunny
Temperature Icon19°/9°
Humidity Icon51%
Wind Icon18km/h
Wed. 1, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon20°/8°
Humidity Icon58%
Wind Icon25km/h
Thu. 2, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon17°/13°
Humidity Icon76%
Wind Icon28km/h
Fri. 3, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/9°
Humidity Icon72%
Wind Icon22km/h
Sat. 4, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon17°/9°
Humidity Icon70%
Wind Icon23km/h
Sun. 5, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/9°
Humidity Icon72%
Wind Icon23km/h
Mon. 6, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon15°/8°
Humidity Icon76%
Wind Icon21km/h
Tue. 7, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon15°/8°
Humidity Icon76%
Wind Icon19km/h
Wed. 8, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon14°/7°
Humidity Icon73%
Wind Icon20km/h
Thu. 9, Oct.
moderate rain at timesModerate rain at times
Temperature Icon14°/7°
Humidity Icon71%
Wind Icon18km/h
Fri. 10, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon14°/7°
Humidity Icon76%
Wind Icon18km/h
Sat. 11, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon14°/8°
Humidity Icon75%
Wind Icon19km/h
Sun. 12, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon14°/7°
Humidity Icon75%
Wind Icon20km/h
Mon. 13, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/7°
Humidity Icon78%
Wind Icon20km/h
Tue. 14, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/7°
Humidity Icon77%
Wind Icon22km/h
Wed. 15, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/8°
Humidity Icon78%
Wind Icon19km/h
Thu. 16, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon13°/7°
Humidity Icon77%
Wind Icon18km/h
Fri. 17, Oct.
moderate rain at timesModerate rain at times
Temperature Icon14°/6°
Humidity Icon75%
Wind Icon16km/h
Sat. 18, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/6°
Humidity Icon78%
Wind Icon15km/h
Sun. 19, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon13°/7°
Humidity Icon78%
Wind Icon16km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSat. 20, Sep.

28.8°C

Low will be onFri. 17, Oct.

6.4°C

HumidityHumidity

High will be onMon. 13, Oct.

78%

Low will be onFri. 26, Sep.

40%

Wind SpeedWind Speed

High will be onWed. 24, Sep.

31.3km/h

Low will be onTue. 23, Sep.

12.6km/h

PrecipitationPrecipitation

High will be onSun. 5, Oct.

3.4mm

Low will be onFri. 26, Sep.

0.01mm

Ultraviolet IndexUV

High will be onWed. 24, Sep.

4

Low will be onMon. 22, Sep.

0.5

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