Bolu, Bolu, Turkey Climate Change Severity

48
High
The current climate change severity in Bolu is High, with a 3.004% 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 Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Bolu 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), Bolu temperature has changed by around -2.9%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
4966
34.6%
cloudyCloudy
2820
-28.5%
rainyRainy
11379
-30.08%
snowySnowy
1014
40%
mistyMisty
00
0%

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

Climate Change Indicators:

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

Temperature change of

-0.2 °C

Variation in annual rainfall

-40.4 %

Change in average humidity

-7.02 %

PM2.5 levels surged by

-0.5 %

Heatwave changed by

+3.8 day(s)

Coldwave changed by

+2.7 day(s)

Wind speeds changed by

+0.4 km/h

These indicators show that Bolu 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 Jul.

Bolu Weather Forecast 30 Days (August - September 2025)
Bolu, Bolu, Turkey

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sun. 10, Aug.
sunnySunny
Temperature Icon31°/13°
Humidity Icon49%
Wind Icon17km/h
Mon. 11, Aug.
sunnySunny
Temperature Icon32°/13°
Humidity Icon32%
Wind Icon16km/h
Tue. 12, Aug.
sunnySunny
Temperature Icon30°/11°
Humidity Icon38%
Wind Icon20km/h
Wed. 13, Aug.
sunnySunny
Temperature Icon32°/10°
Humidity Icon52%
Wind Icon16km/h
Thu. 14, Aug.
sunnySunny
Temperature Icon32°/12°
Humidity Icon51%
Wind Icon16km/h
Fri. 15, Aug.
sunnySunny
Temperature Icon32°/12°
Humidity Icon35%
Wind Icon15km/h
Sat. 16, Aug.
sunnySunny
Temperature Icon32°/13°
Humidity Icon37%
Wind Icon14km/h
Sun. 17, Aug.
sunnySunny
Temperature Icon31°/12°
Humidity Icon43%
Wind Icon18km/h
Mon. 18, Aug.
sunnySunny
Temperature Icon28°/13°
Humidity Icon64%
Wind Icon19km/h
Tue. 19, Aug.
sunnySunny
Temperature Icon30°/11°
Humidity Icon46%
Wind Icon16km/h
Wed. 20, Aug.
sunnySunny
Temperature Icon33°/12°
Humidity Icon43%
Wind Icon17km/h
Thu. 21, Aug.
sunnySunny
Temperature Icon34°/14°
Humidity Icon38%
Wind Icon17km/h
Fri. 22, Aug.
sunnySunny
Temperature Icon34°/13°
Humidity Icon39%
Wind Icon16km/h
Sat. 23, Aug.
sunnySunny
Temperature Icon34°/14°
Humidity Icon44%
Wind Icon15km/h
Sun. 24, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon27°/14°
Humidity Icon60%
Wind Icon14km/h
Mon. 25, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon27°/14°
Humidity Icon63%
Wind Icon14km/h
Tue. 26, Aug.
moderate rain at timesModerate rain at times
Temperature Icon27°/15°
Humidity Icon64%
Wind Icon14km/h
Wed. 27, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon28°/15°
Humidity Icon60%
Wind Icon13km/h
Thu. 28, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/14°
Humidity Icon60%
Wind Icon14km/h
Fri. 29, Aug.
moderate rain at timesModerate rain at times
Temperature Icon28°/14°
Humidity Icon59%
Wind Icon13km/h
Sat. 30, Aug.
moderate rain at timesModerate rain at times
Temperature Icon26°/14°
Humidity Icon65%
Wind Icon14km/h
Sun. 31, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon27°/14°
Humidity Icon64%
Wind Icon13km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/13°
Humidity Icon66%
Wind Icon14km/h
Tue. 2, Sep.
moderate rain at timesModerate rain at times
Temperature Icon26°/13°
Humidity Icon61%
Wind Icon13km/h
Wed. 3, Sep.
moderate rain at timesModerate rain at times
Temperature Icon26°/13°
Humidity Icon61%
Wind Icon13km/h
Thu. 4, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/13°
Humidity Icon65%
Wind Icon12km/h
Fri. 5, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/13°
Humidity Icon69%
Wind Icon12km/h
Sat. 6, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/12°
Humidity Icon72%
Wind Icon13km/h
Sun. 7, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/12°
Humidity Icon68%
Wind Icon13km/h
Mon. 8, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/11°
Humidity Icon67%
Wind Icon13km/h
Tue. 9, Sep.
moderate rain at timesModerate rain at times
Temperature Icon24°/12°
Humidity Icon64%
Wind Icon13km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSat. 23, Aug.

34.4°C

Low will be onWed. 13, Aug.

10.4°C

HumidityHumidity

High will be onSat. 6, Sep.

72%

Low will be onMon. 11, Aug.

32%

Wind SpeedWind Speed

High will be onTue. 12, Aug.

19.8km/h

Low will be onFri. 5, Sep.

11.9km/h

PrecipitationPrecipitation

High will be onThu. 4, Sep.

3.7mm

Low will be onWed. 27, Aug.

0.1mm

Ultraviolet IndexUV

High will be onFri. 15, Aug.

6

Low will be onTue. 12, Aug.

2.4

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