Iguacu, Rio de Janeiro, Brazil Climate Change Severity

48
High
The current climate change severity in Iguacu is High, with a 14.6% 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 Aug. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Iguacu 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), Iguacu temperature has changed by around +0.8%, 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
6852
-23.5%
cloudyCloudy
4732
-31.9%
rainyRainy
116119
2.5%
snowySnowy
00
0%
mistyMisty
07
100%

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

Climate Change Indicators:

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

Temperature change of

+0.1 °C

Variation in annual rainfall

-34.6 %

Change in average humidity

-7.7 %

PM2.5 levels surged by

-9.4 %

Heatwave changed by

-3.3 day(s)

Coldwave changed by

-1.8 day(s)

Wind speeds changed by

-0.2 km/h

These indicators show that Iguacu 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 Aug.

Iguacu Weather Forecast 30 Days (September - October 2025)
Iguacu, Rio de Janeiro, Brazil

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Wed. 24, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon21°/17°
Humidity Icon81%
Wind Icon12km/h
Thu. 25, Sep.
moderate rainModerate rain
Temperature Icon19°/15°
Humidity Icon89%
Wind Icon13km/h
Fri. 26, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon20°/16°
Humidity Icon74%
Wind Icon14km/h
Sat. 27, Sep.
sunnySunny
Temperature Icon23°/13°
Humidity Icon67%
Wind Icon20km/h
Sun. 28, Sep.
sunnySunny
Temperature Icon27°/12°
Humidity Icon70%
Wind Icon22km/h
Mon. 29, Sep.
partly cloudyPartly Cloudy
Temperature Icon26°/17°
Humidity Icon75%
Wind Icon12km/h
Tue. 30, Sep.
sunnySunny
Temperature Icon27°/17°
Humidity Icon75%
Wind Icon16km/h
Wed. 1, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/19°
Humidity Icon76%
Wind Icon17km/h
Thu. 2, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon23°/18°
Humidity Icon90%
Wind Icon15km/h
Fri. 3, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon21°/18°
Humidity Icon85%
Wind Icon13km/h
Sat. 4, Oct.
sunnySunny
Temperature Icon25°/17°
Humidity Icon76%
Wind Icon17km/h
Sun. 5, Oct.
sunnySunny
Temperature Icon31°/17°
Humidity Icon71%
Wind Icon14km/h
Mon. 6, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/20°
Humidity Icon80%
Wind Icon21km/h
Tue. 7, Oct.
moderate rainModerate rain
Temperature Icon21°/18°
Humidity Icon95%
Wind Icon18km/h
Wed. 8, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/19°
Humidity Icon83%
Wind Icon16km/h
Thu. 9, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/19°
Humidity Icon83%
Wind Icon16km/h
Fri. 10, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/19°
Humidity Icon81%
Wind Icon14km/h
Sat. 11, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/20°
Humidity Icon81%
Wind Icon15km/h
Sun. 12, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/20°
Humidity Icon80%
Wind Icon14km/h
Mon. 13, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/20°
Humidity Icon80%
Wind Icon14km/h
Tue. 14, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon28°/20°
Humidity Icon83%
Wind Icon16km/h
Wed. 15, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/20°
Humidity Icon84%
Wind Icon14km/h
Thu. 16, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/20°
Humidity Icon83%
Wind Icon14km/h
Fri. 17, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/20°
Humidity Icon84%
Wind Icon15km/h
Sat. 18, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/20°
Humidity Icon85%
Wind Icon14km/h
Sun. 19, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/20°
Humidity Icon83%
Wind Icon16km/h
Mon. 20, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/19°
Humidity Icon83%
Wind Icon14km/h
Tue. 21, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon26°/19°
Humidity Icon82%
Wind Icon13km/h
Wed. 22, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon27°/20°
Humidity Icon83%
Wind Icon15km/h
Thu. 23, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/20°
Humidity Icon82%
Wind Icon15km/h
Fri. 24, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/20°
Humidity Icon83%
Wind Icon16km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 5, Oct.

31.4°C

Low will be onSun. 28, Sep.

12.4°C

HumidityHumidity

High will be onTue. 7, Oct.

95%

Low will be onSat. 27, Sep.

67%

Wind SpeedWind Speed

High will be onSun. 28, Sep.

22.3km/h

Low will be onWed. 24, Sep.

11.9km/h

PrecipitationPrecipitation

High will be onThu. 25, Sep.

11.9mm

Low will be onSat. 27, Sep.

0.01mm

Ultraviolet IndexUV

High will be onTue. 30, Sep.

7

Low will be onThu. 25, Sep.

0.5

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