Kolkata weather in April

In April, Kolkata sees average daytime highs of 35°C and overnight lows near 26°C, with 68 mm of rain across 8.8 wet days and about 12.5 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 65% of the time in April, and the air most often feels miserable.

Daylight stretches from about 12 h 12 min at the start of April to 12 h 48 min by month's end. Set against the rest of the year, April is Kolkata's 6th-clearest and 3rd-windiest month. For the whole year in context, see Kolkata's year-round climate.

Daytime high
35°
1st warmest
Overnight low
26°
7th coldest
Rainfall
68 mm
8.8 wet days
Daylight
12 h 30 min
5:21 AM – 5:52 PM
Cloud cover
34%
6th clearest
Wind
12 km/h
3rd windiest
Solar energy
6.32 kWh/m²
Travel score
2.6
out of 10

Kolkata is capital city of West Bengal, India.

Air quality
Severe
PM2.5 55.8 µg/m³ · 2019
Density
22,474/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 35°C through the month.

A typical April day in Kolkata reaches about 35°C in the afternoon and slips back to 26°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 38°C. Set against its neighbours, April runs about 2°C warmer than March and on par with May.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13524
23525
33525
43525
53525
63525
73525
83525
93525
103525
113525
123525
133526
143526
153626
163626
173626
183626
193626
203626
213626
223626
233626
243626
253626
263526
273526
283526
293526
303526

How April really feels in Kolkata

Once humidity and wind are folded in, April averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
30
30 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Kolkata weather by month

How April compares with the rest of the year at a glance. April is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 14°131.710.88.9
Feb29° / 17°242.711.27.1
Mar33° / 22°304.311.84.3
Apr35° / 26°688.812.52.6
May35° / 27°12211.713.12.3
Jun33° / 27°26521.913.42.2
Jul32° / 27°34828.813.22.2
Aug32° / 27°30829.312.82.2
Sep32° / 26°25024.912.12.5
Oct31° / 24°13112.911.54.3
Nov29° / 19°292.210.96.8
Dec26° / 15°10110.68.7

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 19% of April, with mostly cloudy or overcast conditions the remaining 16%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18713
28713
38713
48713
58614
68515
78515
88416
98416
108416
118416
128416
138317
148317
158317
168416
178416
188416
198317
208317
218317
228317
238317
248317
258317
268218
278218
288218
298218
308218

Chance of precipitation in April

Any precipitation

Kolkata gets around 68 mm of rain over 8.8 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 29% and peaks near 36% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
123
223
324
424
525
625
726
826
926
1026
1127
1227
1327
1427
1528
1628
1729
1829
1930
2030
2131
2232
2333
2433
2534
2635
2735
2836
2936
3036

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the miserable band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
114194729
214194630
313184632
413184533
512174535
612174536
702164437
801154439
901154440
1001144342
1101134343
1201124244
1301124246
1401114147
1501104149
160194050
170184051
180173953
190173953
200163855
210153757
220153658
230043660
240043561
250033463
260033364
270033364
280023266
290023167
300023068

Wind in April

Winds average 12 km/h in April.

Across April, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 12 min at the start of April to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over April. Sunrise moves from 5:35 AM to 5:10 AM, and sunset from 5:47 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:355:47
212.25:345:47
312.25:335:48
412.35:325:48
512.35:315:48
612.35:305:49
712.35:305:49
812.35:295:50
912.45:285:50
1012.45:275:50
1112.45:265:51
1212.45:255:51
1312.55:245:51
1412.55:235:52
1512.55:225:52
1612.55:215:52
1712.55:205:53
1812.65:195:53
1912.65:195:54
2012.65:185:54
2112.65:175:54
2212.65:165:55
2312.75:155:55
2412.75:145:56
2512.75:145:56
2612.75:135:56
2712.75:125:57
2812.85:115:57
2912.85:115:58
3012.85:105:58

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.32 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.9 kWh/m² to a high of 6.32 kWh/m² in April across the year — April's 6.32 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.2Intense
296.2Intense
306.2Intense
Planning a trip in April

Hazard calendar for Kolkata

In seasonPeak

In April, Kolkata sits inside its cyclone season. The full year is below, with each hazard's peak months called out.

Kolkata sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Kolkata's monsoon runs June–September, when most of the year's rain falls.

Cyclone
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Kolkata?

Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.6
Sightseeing
7th-best month of the year
5.7
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Kolkata.

What to pack for Kolkata in April

From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In April, Kolkata sees daytime highs around 35°C and nights near 26°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

UV index in Kolkata in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kolkata peaks around July 19 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 15 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateModerateJul 19UV 12Jan 15UV 4
UV index (midday)Level
Jan4Moderate
Feb5High
Mar8Very high
Apr8Very high
May10Very high
Jun8Very high
Jul13Extreme
Aug10Extreme
Sep11Extreme
Oct5Moderate
Nov5High
Dec5Moderate

Air quality in Kolkata in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Kolkata is worst in January — around 112 µg/m³ PM2.5 (unhealthy), about 6.8× the cleanest month (July, 17 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Kolkata's WHO annual average of 55.8 µg/m³.

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModerateUnhealthyJan 10112 µg/m³Jul 1417 µg/m³
PM2.5 (µg/m³)Level
Jan112Unhealthy
Feb91Unhealthy
Mar58Unhealthy
Apr30Moderate
May22Moderate
Jun19Moderate
Jul17Moderate
Aug21Moderate
Sep28Moderate
Oct58Unhealthy
Nov103Unhealthy
Dec111Unhealthy
Location & terrain

Where is Kolkata?

Kolkata sits at 22.6°N, 88.4°E, 11 m above sea level, in India. The nearest listed city is Jessore, 110 km away.

RajshahiBarisalDhakaPaharpurMymensingh

Topography around Kolkata

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kolkata.

Within 3 km, the terrain around Kolkata has only modest variations in elevation — a maximum elevation change of 24 m around an average of 9 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 34 m; within 80 km, only modest variations in elevation — a maximum elevation change of 39 m.

The land around Kolkata is covered by artificial surfaces (75%) within 3 km, artificial surfaces (42%) and trees (39%) within 16 km, and cropland (50%) and trees (33%) within 80 km.

3 km
24 m
16 km
34 m
80 km
39 m
treesgrasslandcroplandartificial surfaceswatermangroves
April weather nearby: Jessore 110 km · Khulna 126 km · Bagerhat 147 km · Rajshahi 203 km · Barisal 207 km · Dhaka 245 km · Paharpur 281 km · Mymensingh 321 km

India travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / D / M
230 V · 50 Hz
Prices
≈ 23% of US
price level, 2025
GDP per capita
$2,702
2025
Happiness
4.5 / 10
World Happiness, 2025
Safe drinking water
76%
of population, 2024
Homicide rate
2.8
per 100k, 2022
Road deaths
15.6
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 484
Religion
Hindu 80%Muslim 14%Christian 2%other and unspecified 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Kolkata (22.5626°, 88.363°, elevation 11 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).