Patna, Bihar, India Climate Change Severity

67
Very High
The current climate change severity in Patna is Very High, with a 45.8% 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 Oct. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Patna Weather Condition Changes (Historic Vs 2025)

0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2025

Over the past 15 year(s), Patna temperature has changed by around +2.9%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
119115
-3.3%

cloudyCloudy
3344
33.3%

rainyRainy
14767
-54.4%

snowySnowy
00
0%

mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 15 years, Patna has experienced measurable shifts in key climate parameters, contributing to the current severity score of 67 (within the Very High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

67/100


Very High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Patna experienced significant changes:

Temperature change of

+0.8 °C


Variation in annual rainfall

-46.1 %


Change in average humidity

-9.2 %


PM2.5 levels surged by

-27.5 %


Heatwave changed by

+17.4 day(s)


Coldwave changed by

-7.6 day(s)


Wind speeds changed by

+1.6 km/h


These indicators show a dramatic increase in volatility and worsening conditions. Patna's Very High severity status requires urgent and immediate adaptation and mitigation strategies, particularly focused on managing extreme weather events, improving air quality, and ensuring water resources are adequate for the population.

Check how we calculate Climate Change Severity
Based on data from Jan. to Oct.

Patna Weather Forecast 30 Days (November - December 2025)
Patna, Bihar, India


Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Mon. 3, Nov.
sunnySunny

Temperature Icon29°/20°

Humidity Icon54%

Wind Icon14km/h
Tue. 4, Nov.
sunnySunny

Temperature Icon29°/19°

Humidity Icon53%

Wind Icon10km/h
Wed. 5, Nov.
sunnySunny

Temperature Icon30°/20°

Humidity Icon55%

Wind Icon10km/h
Thu. 6, Nov.
sunnySunny

Temperature Icon30°/21°

Humidity Icon57%

Wind Icon14km/h
Fri. 7, Nov.
sunnySunny

Temperature Icon30°/19°

Humidity Icon46%

Wind Icon19km/h
Sat. 8, Nov.
sunnySunny

Temperature Icon28°/17°

Humidity Icon48%

Wind Icon18km/h
Sun. 9, Nov.
sunnySunny

Temperature Icon27°/16°

Humidity Icon47%

Wind Icon17km/h
Mon. 10, Nov.
sunnySunny

Temperature Icon27°/15°

Humidity Icon45%

Wind Icon13km/h
Tue. 11, Nov.
sunnySunny

Temperature Icon27°/16°

Humidity Icon47%

Wind Icon14km/h
Wed. 12, Nov.
sunnySunny

Temperature Icon26°/15°

Humidity Icon43%

Wind Icon13km/h
Thu. 13, Nov.
sunnySunny

Temperature Icon27°/16°

Humidity Icon42%

Wind Icon10km/h
Fri. 14, Nov.
sunnySunny

Temperature Icon27°/16°

Humidity Icon46%

Wind Icon10km/h
Sat. 15, Nov.
sunnySunny

Temperature Icon27°/17°

Humidity Icon49%

Wind Icon10km/h
Sun. 16, Nov.
sunnySunny

Temperature Icon28°/18°

Humidity Icon51%

Wind Icon10km/h
Mon. 17, Nov.
sunnySunny

Temperature Icon28°/18°

Humidity Icon50%

Wind Icon8km/h
Tue. 18, Nov.
patchy rain possiblePatchy rain possible

Temperature Icon29°/19°

Humidity Icon46%

Wind Icon10km/h
Wed. 19, Nov.
patchy rain possiblePatchy rain possible

Temperature Icon29°/19°

Humidity Icon44%

Wind Icon10km/h
Thu. 20, Nov.
sunnySunny

Temperature Icon29°/19°

Humidity Icon42%

Wind Icon10km/h
Fri. 21, Nov.
sunnySunny

Temperature Icon28°/18°

Humidity Icon42%

Wind Icon11km/h
Sun. 23, Nov.
sunnySunny

Temperature Icon28°/17°

Humidity Icon40%

Wind Icon10km/h
Mon. 24, Nov.
sunnySunny

Temperature Icon28°/17°

Humidity Icon40%

Wind Icon10km/h
Tue. 25, Nov.
sunnySunny

Temperature Icon28°/17°

Humidity Icon41%

Wind Icon10km/h
Wed. 26, Nov.
sunnySunny

Temperature Icon28°/18°

Humidity Icon43%

Wind Icon9km/h
Thu. 27, Nov.
sunnySunny

Temperature Icon28°/18°

Humidity Icon43%

Wind Icon9km/h
Fri. 28, Nov.
sunnySunny

Temperature Icon28°/18°

Humidity Icon44%

Wind Icon10km/h
Sat. 29, Nov.
patchy rain possiblePatchy rain possible

Temperature Icon28°/18°

Humidity Icon44%

Wind Icon10km/h
Sun. 30, Nov.
patchy rain possiblePatchy rain possible

Temperature Icon28°/18°

Humidity Icon45%

Wind Icon11km/h
Mon. 1, Dec.
sunnySunny

Temperature Icon28°/18°

Humidity Icon44%

Wind Icon10km/h
Tue. 2, Dec.
sunnySunny

Temperature Icon28°/17°

Humidity Icon43%

Wind Icon10km/h
Wed. 3, Dec.
patchy rain possiblePatchy rain possible

Temperature Icon27°/17°

Humidity Icon42%

Wind Icon11km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 6, Nov.

30.1°C


Low will be onWed. 12, Nov.

15.1°C

HumidityHumidity

High will be onThu. 6, Nov.

57%


Low will be onSun. 23, Nov.

40%

Wind SpeedWind Speed

High will be onFri. 7, Nov.

19.1km/h


Low will be onMon. 17, Nov.

7.6km/h

Ultraviolet IndexUV

High will be onThu. 6, Nov.

6


Low will be onMon. 3, Nov.

1.1