Calcutta weather in April

In April, Calcutta sees average daytime highs of 27°C and overnight lows near 17°C, with 46 mm of rain across 7.6 wet days and about 11.4 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 54% of the time in April, and the air most often feels humid.

Daylight stretches from about 11 h 48 min at the start of April to 11 h 06 min by month's end. Set against the rest of the year, April is Calcutta's 6th-clearest and 11th-windiest month. For the whole year in context, see Calcutta's year-round climate.

Daytime high
27°
8th warmest
Overnight low
17°
7th coldest
Rainfall
46 mm
7.6 wet days
Daylight
11 h 24 min
6:13 AM – 5:38 PM
Cloud cover
41%
6th clearest
Wind
7 km/h
11th windiest
Solar energy
4.44 kWh/m²
Travel score
7.2
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical April day in Calcutta reaches about 27°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 31°C. Set against its neighbours, April runs about 2°C cooler than March and about 1°C warmer than May.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12818
22818
32718
42718
52718
62718
72717
82717
92717
102717
112717
122717
132717
142717
152717
162717
172716
182716
192716
202716
212716
222716
232716
242716
252716
262716
272616
282615
292615
302615

Calcutta weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°14014.713.44.8
Feb29° / 20°12113.212.94.9
Mar29° / 19°9011.812.25.7
Apr27° / 17°467.611.47.2
May26° / 13°15310.88.5
Jun24° / 11°8210.59.1
Jul24° / 10°112.310.68.9
Aug25° / 12°163.311.18.6
Sep27° / 15°305.311.87.6
Oct27° / 17°569.812.66.5
Nov28° / 18°10412.813.25.4
Dec29° / 19°13215.113.54.9

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 28%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16535
26535
36535
46634
56733
66733
76733
86832
96832
106931
116931
127129
137129
147228
157228
167327
177327
187327
197426
207525
217525
227525
237525
247525
257624
267723
277723
287822
297921
307921

Chance of precipitation in April

Any precipitation

Calcutta gets around 46 mm of rain over 7.6 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 25% and peaks near 34% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
134
233
332
431
530
630
729
828
927
1027
1126
1225
1325
1424
1524
1624
1723
1823
1923
2022
2122
2222
2322
2421
2521
2620
2720
2819
2918
3018

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the humid band about 39% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15204926
26224924
37234822
47254820
58274718
68294716
79314614
89324612
910344511
1010364410
111038449
121039438
131140427
141141426
151141426
161241416
171242415
181342405
191442395
201442385
211543374
221743364
231844344
241945324
252046313
262246293
272347273
282548252
292648242
302849222

Wind in April

Winds average 7 km/h in April.

Across April, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 48 min at the start of April to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over April. Sunrise moves from 6:06 AM to 6:19 AM, and sunset from 5:53 PM to 5:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:065:53
211.86:075:52
311.76:075:51
411.76:085:50
511.76:085:49
611.76:085:48
711.66:095:47
811.66:095:46
911.66:105:45
1011.66:105:44
1111.56:115:43
1211.56:115:42
1311.56:115:41
1411.56:125:40
1511.46:125:39
1611.46:135:38
1711.46:135:37
1811.46:145:36
1911.36:145:35
2011.36:155:34
2111.36:155:33
2211.36:165:32
2311.36:165:31
2411.26:175:30
2511.26:175:29
2611.26:175:29
2711.26:185:28
2811.16:185:27
2911.16:195:26
3011.16:195:25

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.44 kWh/m².

For context, solar energy here swings from a low near 3.69 kWh/m² to a high of 5.77 kWh/m² in January across the year — April's 4.44 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.2Bright
294.2Bright
304.2Bright
Planning a trip in April

Hazard calendar for Calcutta

In seasonPeak

None of Calcutta's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Calcutta's rainy season runs November–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Calcutta?

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

7.2
Sightseeing
6th-best month of the year
7.3
Beach & pool
5th-best month of the year

April is one of the better times to visit Calcutta for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Calcutta in April

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

In April, Calcutta sees daytime highs around 27°C and nights near 17°C. Worth packing: light clothes. About 8 days see rain.

light clothes

UV index in Calcutta in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Calcutta peaks around January 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighHighVery highExtremeJan 20UV 14Jun 21UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr8Very high
May6High
Jun5Moderate
Jul5High
Aug7High
Sep8Very high
Oct10Very high
Nov12Extreme
Dec13Extreme

Air quality in Calcutta 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 Calcutta is worst in July — around 32 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (January, 12 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 1832 µg/m³Jan 1612 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar17Moderate
Apr23Moderate
May31Moderate
Jun30Moderate
Jul32Moderate
Aug30Moderate
Sep26Moderate
Oct19Moderate
Nov18Moderate
Dec13Moderate
Location & terrain

Where is Calcutta?

Calcutta sits at 25.0°S, 31.2°E, 435 m above sea level, in South Africa. The nearest listed city is Mkhuhlu, 1.0 km away.

Topography around Calcutta

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

Within 3 km, the terrain around Calcutta has only modest variations in elevation — a maximum elevation change of 118 m around an average of 432 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 526 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,118 m.

The land around Calcutta is covered by artificial surfaces (36%) and grassland (32%) within 3 km, grassland (49%) and trees (22%) within 16 km, and grassland (46%), trees (27%) and shrubs (22%) within 80 km.

3 km
118 m
16 km
526 m
80 km
2,118 m
treesshrubsgrasslandcroplandartificial surfaces
April weather nearby: Mkhuhlu 1.0 km · Hlanganani 7.0 km · Dwarsloop 25 km · Mafemani 27 km · Thulamahashi 29 km · White River 45 km · Acornhoek 46 km · Sabie 48 km

South Africa travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / M / N
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$6,598
2025
Happiness
5.0 / 10
World Happiness, 2025
Safe drinking water
68%
of population, 2024
Homicide rate
43.7
per 100k, 2022
Road deaths
22.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very high
EF EPI 602
Religion
Christian 86%or other traditional African religions 5%nothing in particular 5%Muslim 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 Calcutta (-24.9832°, 31.2349°, elevation 435 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. 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).