Kolkata, West Bengal, India Climate Change Severity

67
Very High
The current climate change severity in Kolkata is Very High, with a 31.05% 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 Feb. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Kolkata Weather Condition Changes (Historic Vs 2026)

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

Over the past 16 year(s), Kolkata temperature has changed by around +4.1%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
4653
15.2%
cloudyCloudy
44
0%
rainyRainy
81
-87.5%
snowySnowy
00
0%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 16 years, Kolkata 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, Kolkata experienced significant changes:

Temperature change of

+1 °C

Variation in annual rainfall

-85.8 %

Change in average humidity

-26.5 %

PM2.5 levels surged by

+42.5 %

Heatwave changed by

-1.8 day(s)

Coldwave changed by

-1.3 day(s)

Wind speeds changed by

+1.8 km/h

These indicators show a dramatic increase in volatility and worsening conditions. Kolkata'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 Feb.

Kolkata Weather Forecast 30 Days (March - April 2026)
Kolkata, West Bengal, India

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Sun. 8, Mar.
sunnySunny
Temperature Icon34°/22°
Humidity Icon66%
Wind Icon25.2km/h
Mon. 9, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon34°/22°
Humidity Icon67%
Wind Icon20.5km/h
Tue. 10, Mar.
sunnySunny
Temperature Icon35°/23°
Humidity Icon57%
Wind Icon19.8km/h
Wed. 11, Mar.
sunnySunny
Temperature Icon35°/22°
Humidity Icon61%
Wind Icon27.7km/h
Thu. 12, Mar.
sunnySunny
Temperature Icon35°/23°
Humidity Icon70%
Wind Icon25.9km/h
Fri. 13, Mar.
sunnySunny
Temperature Icon35°/23°
Humidity Icon70%
Wind Icon28.8km/h
Sat. 14, Mar.
sunnySunny
Temperature Icon35°/24°
Humidity Icon66%
Wind Icon33.5km/h
Sun. 15, Mar.
sunnySunny
Temperature Icon35°/24°
Humidity Icon64%
Wind Icon35.6km/h
Mon. 16, Mar.
sunnySunny
Temperature Icon34°/23°
Humidity Icon64%
Wind Icon31.3km/h
Tue. 17, Mar.
sunnySunny
Temperature Icon34°/23°
Humidity Icon66%
Wind Icon18.4km/h
Wed. 18, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon35°/22°
Humidity Icon64%
Wind Icon20.5km/h
Thu. 19, Mar.
patchy rain possiblePatchy rain nearby
Temperature Icon34°/21°
Humidity Icon66%
Wind Icon22.7km/h
Fri. 20, Mar.
moderate rainModerate rain
Temperature Icon34°/21°
Humidity Icon66%
Wind Icon29.9km/h
Sat. 21, Mar.
sunnySunny
Temperature Icon34°/24°
Humidity Icon67%
Wind Icon22.7km/h
Sun. 22, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon34°/23°
Humidity Icon55%
Wind Icon15.5km/h
Mon. 23, Mar.
heavy rain at timesHeavy rain at times
Temperature Icon35°/23°
Humidity Icon52%
Wind Icon14.4km/h
Wed. 25, Mar.
moderate rain at timesModerate rain at times
Temperature Icon36°/24°
Humidity Icon53%
Wind Icon16.6km/h
Thu. 26, Mar.
moderate rain at timesModerate rain at times
Temperature Icon36°/25°
Humidity Icon54%
Wind Icon16.9km/h
Fri. 27, Mar.
heavy rain at timesHeavy rain at times
Temperature Icon36°/24°
Humidity Icon54%
Wind Icon16.9km/h
Sat. 28, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon36°/25°
Humidity Icon55%
Wind Icon16.9km/h
Sun. 29, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon36°/25°
Humidity Icon57%
Wind Icon19.4km/h
Mon. 30, Mar.
moderate rain at timesModerate rain at times
Temperature Icon36°/25°
Humidity Icon59%
Wind Icon20.9km/h
Tue. 31, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon36°/25°
Humidity Icon58%
Wind Icon19.4km/h
Wed. 1, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon36°/25°
Humidity Icon57%
Wind Icon18.4km/h
Thu. 2, Apr.
moderate rain at timesModerate rain at times
Temperature Icon36°/25°
Humidity Icon58%
Wind Icon18km/h
Sun. 5, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon36°/26°
Humidity Icon57%
Wind Icon18.4km/h
Mon. 6, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon37°/26°
Humidity Icon57%
Wind Icon17.3km/h
Tue. 7, Apr.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon37°/25°
Humidity Icon55%
Wind Icon18km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 6, Apr.

37°C

Low will be onThu. 19, Mar.

21°C

HumidityHumidity

High will be onThu. 12, Mar.

70%

Low will be onMon. 23, Mar.

52%

Wind SpeedWind Speed

High will be onSun. 15, Mar.

35.6km/h

Low will be onMon. 23, Mar.

14.4km/h

PrecipitationPrecipitation

High will be onFri. 20, Mar.

6.9mm

Low will be onSun. 15, Mar.

0.01mm

Ultraviolet IndexUV

High will be onFri. 13, Mar.

7

Low will be onSun. 8, Mar.

1.3

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