Donostia, Basque Country, Spain Climate Change Severity

43
High
The current climate change severity in Donostia is High, with a 5.5% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Sep. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Donostia Weather Condition Changes (Historic Vs 2026)

0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Donostia temperature has changed by around +6.1%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Sep. (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
5079
57.9%

cloudyCloudy
5426
-51.8%

rainyRainy
14991
-38.9%

snowySnowy
00
0%

mistyMisty
011
100%

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

Climate Change Indicators:

Over the past 16 years, Donostia has experienced measurable shifts in key climate parameters, contributing to the current severity score of 43 (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

43/100


High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Donostia experienced significant changes:

Temperature change of

+0.9 °C


Variation in annual rainfall

-24.77 %


Change in average humidity

-2.49 %


PM2.5 levels surged by

-9.54 %


Heatwave changed by

+6 Days


Coldwave changed by

0 Day


Wind speeds changed by

-0.97 km/h


These indicators show that Donostia 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 Sep.

Donostia Weather Forecast 30 Days (October - November 2026)
Donostia, Basque Country, Spain


Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Fri. 2, Oct.
mistMist

Temperature Icon23°/12°

Humidity Icon81%

Wind Icon7.2km/h
Sat. 3, Oct.
overcastOvercast

Temperature Icon25°/16°

Humidity Icon80%

Wind Icon8.3km/h
Sun. 4, Oct.
light rain showerRain Shower

Temperature Icon20°/16°

Humidity Icon95%

Wind Icon7.2km/h
Mon. 5, Oct.
mistMist

Temperature Icon24°/16°

Humidity Icon88%

Wind Icon9.4km/h
Tue. 6, Oct.
overcastOvercast

Temperature Icon27°/17°

Humidity Icon79%

Wind Icon11.5km/h
Wed. 7, Oct.
overcastOvercast

Temperature Icon21°/15°

Humidity Icon85%

Wind Icon9.4km/h
Thu. 8, Oct.
light rain showerRain Shower

Temperature Icon15°/13°

Humidity Icon93%

Wind Icon12.2km/h
Fri. 9, Oct.
patchy rain possiblePatchy rain nearby

Temperature Icon16°/10°

Humidity Icon65%

Wind Icon11.9km/h
Sat. 10, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon20°/13°

Humidity Icon78%

Wind Icon14.5km/h
Sun. 11, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon20°/14°

Humidity Icon76%

Wind Icon16.7km/h
Mon. 12, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon20°/14°

Humidity Icon77%

Wind Icon17.2km/h
Tue. 13, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon20°/14°

Humidity Icon74%

Wind Icon16.1km/h
Wed. 14, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon19°/13°

Humidity Icon78%

Wind Icon17.5km/h
Thu. 15, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon19°/13°

Humidity Icon75%

Wind Icon17.1km/h
Fri. 16, Oct.
heavy rain at timesHeavy Rain

Temperature Icon20°/13°

Humidity Icon73%

Wind Icon18.8km/h
Sat. 17, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon20°/14°

Humidity Icon73%

Wind Icon18.2km/h
Sun. 18, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon20°/14°

Humidity Icon75%

Wind Icon17.1km/h
Mon. 19, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon20°/14°

Humidity Icon72%

Wind Icon19.7km/h
Tue. 20, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon19°/14°

Humidity Icon76%

Wind Icon19.6km/h
Wed. 21, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon19°/13°

Humidity Icon74%

Wind Icon19.5km/h
Thu. 22, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon18°/13°

Humidity Icon76%

Wind Icon19.7km/h
Fri. 23, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon19°/13°

Humidity Icon74%

Wind Icon19.6km/h
Sat. 24, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon20°/13°

Humidity Icon72%

Wind Icon20.5km/h
Sun. 25, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon19°/13°

Humidity Icon76%

Wind Icon17.5km/h
Mon. 26, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon18°/13°

Humidity Icon77%

Wind Icon18.5km/h
Tue. 27, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon19°/12°

Humidity Icon73%

Wind Icon20.2km/h
Wed. 28, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon18°/13°

Humidity Icon71%

Wind Icon19.8km/h
Thu. 29, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon18°/13°

Humidity Icon73%

Wind Icon18.2km/h
Fri. 30, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon19°/12°

Humidity Icon74%

Wind Icon17km/h
Sat. 31, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon19°/12°

Humidity Icon75%

Wind Icon18.3km/h
Sun. 1, Nov.
moderate or heavy rain showerRain Showers

Temperature Icon19°/13°

Humidity Icon78%

Wind Icon22.1km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 6, Oct.

27°C


Low will be onFri. 9, Oct.

10°C

HumidityHumidity

High will be onSun. 4, Oct.

95%


Low will be onFri. 9, Oct.

65%

Wind SpeedWind Speed

High will be onSun. 1, Nov.

22.1km/h


Low will be onFri. 2, Oct.

7.2km/h

PrecipitationPrecipitation

High will be onSun. 4, Oct.

14.4mm


Low will be onFri. 9, Oct.

0.07mm

Ultraviolet IndexUV

High will be onTue. 6, Oct.

6


Low will be onSun. 4, Oct.

1.9