Chennai weather in April

In April, Chennai sees average daytime highs of 33°C and overnight lows near 27°C, with 15 mm of rain across 2.4 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 66% of the time in April, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of April to 12 h 24 min by month's end. Set against the rest of the year, April is Chennai's 3rd-clearest and 4th-windiest month. For the whole year in context, see Chennai's year-round climate.

Daytime high
33°
4th warmest
Overnight low
27°
9th coldest
Rainfall
15 mm
2.4 wet days
Daylight
12 h 18 min
6:00 AM – 6:18 PM
Cloud cover
35%
3rd clearest
Wind
14 km/h
4th windiest
Solar energy
6.63 kWh/m²
Travel score
4.6
out of 10

Chennai is city and state capital of Tamil Nadu, India.

Air quality
Very high
PM2.5 36 µg/m³ · 2019
Founded
1639

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 33°C through the month.

A typical April day in Chennai reaches about 33°C in the afternoon and slips back to 27°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 34°C. Set against its neighbours, April runs about 2°C warmer than March and about 2°C cooler than May.

25°28°30°33°35°151015202530
Avg high (°C)Avg low (°C)
13226
23227
33227
43227
53227
63227
73227
83227
93227
103227
113227
123227
133227
143327
153327
163327
173327
183328
193328
203328
213328
223328
233328
243328
253328
263328
273328
283328
293328
303328

How April really feels in Chennai

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
28 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.

Chennai weather by month

How April compares with the rest of the year at a glance. April is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 23°143.111.37.7
Feb29° / 23°61.511.67.0
Mar31° / 25°81.311.95.9
Apr33° / 27°152.412.34.6
May34° / 29°38412.63.4
Jun34° / 28°671112.82.7
Jul33° / 28°7014.212.72.8
Aug33° / 27°9314.912.43.1
Sep32° / 27°10316.412.13.3
Oct30° / 26°20819.111.73.8
Nov28° / 25°22816.511.44.9
Dec27° / 24°1179.111.26.6

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 66% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 12% of April, with mostly cloudy or overcast conditions the remaining 22%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18317
28317
38317
48317
58218
68218
78218
88119
98119
108119
118020
128020
138020
147921
157921
167822
177723
187723
197624
207624
217525
227525
237426
247426
257426
267327
277327
287228
297228
307129

Chance of precipitation in April

Any precipitation

Chennai gets around 15 mm of rain over 2.4 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 8% and peaks near 9% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
16
26
37
47
57
67
78
88
98
109
119
129
139
149
159
169
179
189
199
209
219
229
238
248
258
268
279
289
299
309

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 86% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
113366
213168
312871
402674
502476
602377
702179
802080
901882
1001783
1101684
1201585
1301486
1401387
1501288
1601288
1701189
1801090
190991
200892
210892
220793
230694
240694
250595
260595
270496
280496
290496
300496

Wind in April

Winds average 14 km/h in April.

Across April, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 06 min at the start of April to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over April. Sunrise moves from 6:10 AM to 5:53 AM, and sunset from 6:17 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:106:17
212.16:106:17
312.16:096:17
412.16:086:17
512.26:086:17
612.26:076:17
712.26:066:17
812.26:056:17
912.26:056:17
1012.26:046:17
1112.26:046:17
1212.26:036:18
1312.36:026:18
1412.36:026:18
1512.36:016:18
1612.36:006:18
1712.36:006:18
1812.35:596:18
1912.35:596:18
2012.35:586:18
2112.35:576:18
2212.45:576:19
2312.45:566:19
2412.45:566:19
2512.45:556:19
2612.45:556:19
2712.45:546:19
2812.45:546:19
2912.45:536:20
3012.45:536:20

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.63 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.12 kWh/m² to a high of 6.63 kWh/m² in April across the year — April's 6.63 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.6Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.6Intense
126.6Intense
136.6Intense
146.6Intense
156.6Intense
166.6Intense
176.6Intense
186.6Intense
196.7Intense
206.7Intense
216.7Intense
226.7Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.7Intense
286.6Intense
296.6Intense
306.6Intense
Planning a trip in April

Hazard calendar for Chennai

In seasonPeak

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

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

Chennai's monsoon runs September–December, 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 Chennai?

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

4.6
Sightseeing
6th-best month of the year
7.8
Beach & pool
4th-best month of the year

April is a reasonable time to visit Chennai for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Chennai in April

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

In April, Chennai sees daytime highs around 33°C and nights near 27°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Chennai in April

The nearest coast averages about 29°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in May at about 29°C and coldest in January near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar28Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Chennai in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chennai peaks around July 24 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highJul 24UV 13Dec 21UV 7
UV index (midday)Level
Jan7Very high
Feb10Extreme
Mar11Extreme
Apr12Extreme
May12Extreme
Jun11Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct13Extreme
Nov9Very high
Dec7High

Air quality in Chennai 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 Chennai is worst in January — around 51 µg/m³ PM2.5 (poor), about 2.0× the cleanest month (April, 25 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Chennai's WHO annual average of 36 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorJan 1650 µg/m³Apr 1826 µg/m³
PM2.5 (µg/m³)Level
Jan51Poor
Feb45Poor
Mar35Poor
Apr25Moderate
May30Moderate
Jun29Moderate
Jul27Moderate
Aug29Moderate
Sep33Moderate
Oct41Poor
Nov41Poor
Dec45Poor
Location & terrain

Where is Chennai?

Chennai sits at 13.1°N, 80.3°E, 14 m above sea level, in India. The nearest listed city is Manali, 9.0 km away.

BengaluruPoint PedroValvedditturaiJaffnaMysoreMaduraiMullaittivu

Topography around Chennai

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

Within 3 km, the terrain around Chennai has only modest variations in elevation — a maximum elevation change of 20 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 83 m; within 80 km, large variations in elevation — a maximum elevation change of 881 m.

The land around Chennai is covered by artificial surfaces (65%) within 3 km, water (47%) and artificial surfaces (34%) within 16 km, and water (40%) and cropland (29%) within 80 km.

3 km
20 m
16 km
83 m
80 km
881 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Manali 9.0 km · Bengaluru 291 km · Point Pedro 364 km · Valvedditturai 364 km · Jaffna 381 km · Mysore 404 km · Madurai 424 km · Mullaittivu 429 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 Chennai (13.0878°, 80.2785°, elevation 14 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). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).