Tuesday, 28 July, in Chennai (India): cloudy, light rain in places, hot. During the day the air will warm up to +37°, at night around +28°. Wind up to 25 km/h. High chance of rain — be sure to take an umbrella or a raincoat. Dress as lightly as possible, wear a hat, apply sunscreen and keep water with you. The sea has warmed up to +30° — great for swimming. The sun will rise at 05:53 and set at 18:37 — daylight lasts 13 hours.
Hourly weather in Chennai
0%03
0%04
0%05
0%06
0%07
0%08
0%09
0%10
0%11
10%12
25%13
41%14
59%15
77%16
90%17
95%18
94%19
88%20
74%21
55%22
37%23
23%00
11%01
2%02
💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).
Weather in Chennai for 14 days
Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
▶
Tue 28.7
🌦️
💧 82%
+28°+37°
Morning
🌦️
+31°
Day
🌦️
+37°
Evening
🌇
+35°
Night
🌙
+28°
Rain showers · precipitation 82% · wind up to 25 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Today 29.7
🌦️
💧 95%
+28°+38°
Morning
☁️
+32°
Day
🌦️
+38°
Evening
🌇
+28°
Night
🌙
+28°
Rain showers · precipitation 95% · wind up to 23 km/h. 🥵 Extreme heat. No more than 15–20 minutes in direct sun is safe. Water, SPF 50 sunscreen and a hat are a must.
▶
Tomorrow 30.7
🌦️
💧 85%
+28°+37°
Morning
☁️
+30°
Day
🌦️
+37°
Evening
🌇
+30°
Night
🌙
+28°
Drizzle · precipitation 85% · wind up to 22 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Fri 31.7
⛈️
💧 67%
+28°+37°
Morning
⛈️
+31°
Day
⛈️
+37°
Evening
🌇
+35°
Night
🌙
+28°
Thunderstorm · precipitation 67% · wind up to 19 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Sat 1.8
⛈️
💧 75%
+27°+37°
Morning
⛈️
+31°
Day
⛈️
+37°
Evening
🌇
+35°
Night
🌙
+27°
Thunderstorm · precipitation 75% · wind up to 17 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Sun 2.8
🌦️
💧 75%
+27°+35°
Morning
🌦️
+30°
Day
🌦️
+35°
Evening
🌇
+33°
Night
🌙
+27°
Drizzle · precipitation 75% · wind up to 18 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Mon 3.8
🌦️
💧 69%
+28°+36°
Morning
🌦️
+31°
Day
🌦️
+36°
Evening
🌇
+34°
Night
🌙
+28°
Drizzle · precipitation 69% · wind up to 19 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Tue 4.8
🌦️
💧 68%
+27°+36°
Morning
🌦️
+30°
Day
🌦️
+36°
Evening
🌇
+34°
Night
🌙
+27°
Drizzle · precipitation 68% · wind up to 14 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Wed 5.8
🌦️
💧 68%
+26°+34°
Morning
🌦️
+29°
Day
🌦️
+34°
Evening
🌇
+32°
Night
🌙
+26°
Drizzle · precipitation 68% · wind up to 14 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Thu 6.8
🌦️
💧 66%
+26°+35°
Morning
🌦️
+29°
Day
🌦️
+35°
Evening
🌇
+33°
Night
🌙
+26°
Drizzle · precipitation 66% · wind up to 18 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Fri 7.8
🌦️
💧 70%
+26°+34°
Morning
🌦️
+29°
Day
🌦️
+34°
Evening
🌇
+32°
Night
🌙
+26°
Drizzle · precipitation 70% · wind up to 19 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Sat 8.8
🌦️
💧 78%
+26°+35°
Morning
🌦️
+29°
Day
🌦️
+35°
Evening
🌇
+33°
Night
🌙
+26°
Drizzle · precipitation 78% · wind up to 19 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Sun 9.8
🌦️
💧 66%
+26°+35°
Morning
🌦️
+29°
Day
🌦️
+35°
Evening
🌇
+33°
Night
🌙
+26°
Drizzle · precipitation 66% · wind up to 18 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Mon 10.8
🌦️
💧 66%
+25°+34°
Morning
🌦️
+28°
Day
🌦️
+34°
Evening
🌇
+32°
Night
🌙
+25°
Rain showers · precipitation 66% · wind up to 14 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
🗺️ Precipitation radar
Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy
🎯 What to do in this weather — indices of the day
Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏖️ Beach
0 / 100
for sea and sun · Bad
🏊 Swimming
0 / 100
water 30° · Bad
🏃 Running
0 / 100
comfort for running · Bad
🧴 UV
0%
moderate · low
☂️ Rain
82%
likely · high
✨ Stars
31 / 100
evening visibility · So-so
🧺 Laundry drying
0 / 100
will dry outside · Bad
🚗 Car wash
0 / 100
better to wait · Bad
🌫️ Air quality
32
Good air
European AQI
PM2.5: 11PM10: 15O₃: 36NO₂: 16
The air is clean — you can walk and exercise outside.
🌅 Sun, moon and sea
Sunrise
05:53
Sunset
18:37
Golden hour
18:07
Daylight
13 h (-1 min vs yesterday)
Sea temperature
+30°
🌊 slight, waves 1 m.
Chennai climate by month
Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
+28°
+21°
Jan
+30°
+21°
Feb
+33°
+23°
Mar
+34°
+26°
Apr
+36°
+28°
May
+36°
+28°
Jun
+34°
+27°
Jul
+33°
+26°
Aug
+33°
+26°
Sep
+31°
+25°
Oct
+28°
+23°
Nov
+27°
+22°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
Month
Day
Night
Sea
Precipitation
What to pack and what makes the month notable (events, nuances)
January
+28°
+21°
+27°
15 mm
A comfortable month: +28° by day without exhausting heat. 😊 light summer clothing. Water at +27° — great for swimming. Weather-wise, one of the three best months to visit.
February
+30°
+21°
+28°
7 mm
Warm and comfortable: +30° by day, +21° at night. 😊 light summer clothing. Water at +28° — great for swimming. One of the driest months — rain is very unlikely.
March
+33°
+23°
+29°
9 mm
Up to +33° by day — hot, yet not muggy; mornings and evenings are pleasant. ☀️ water and sunscreen. Water at +29° — great for swimming. Weather-wise, one of the three best months to visit.
April
+34°
+26°
+30°
15 mm
A hot, dry month: +34° daytime, warm pleasant evenings. ☀️ water and sunscreen. The sea is +30° — like a warm bath.
May
+36°
+28°
+31°
38 mm
Hot (+36° by day) but dry — manageable with a sensible schedule. ☀️ water and sunscreen. The sea is +31° — like a warm bath. This is the hottest month of the year in Chennai.
June
+36°
+28°
+31°
65 mm
Up to +36° by day — hot, yet not muggy; mornings and evenings are pleasant. Frequent rain (65 mm over the month) — keep indoor backup plans. ☀️ water and sunscreen. The sea is +31° — like a warm bath. The longest daylight hours of the year — more time for everything.
July
+34°
+27°
+30°
70 mm
A hot, dry month: +34° daytime, warm pleasant evenings. One of the wettest months (70 mm): downpours can derail plans. ☀️ water and sunscreen. The sea is +30° — like a warm bath.
August
+33°
+26°
+30°
97 mm
Hot (+33° by day) but dry — manageable with a sensible schedule. It's a rainy month (97 mm) — an umbrella is a must. ☀️ water and sunscreen. The sea is +30° — like a warm bath.
September
+33°
+26°
+30°
108 mm
Up to +33° by day — hot, yet not muggy; mornings and evenings are pleasant. Frequent rain (108 mm over the month) — keep indoor backup plans. ☀️ water and sunscreen. The sea is +30° — like a warm bath.
October
+31°
+25°
+30°
214 mm
A comfortable month: +31° by day without exhausting heat. One of the wettest months (214 mm): downpours can derail plans. 😊 light summer clothing. The sea is +30° — like a warm bath.
November
+28°
+23°
+29°
226 mm
Warm and comfortable: +28° by day, +23° at night. It's a rainy month (226 mm) — an umbrella is a must. 😊 light summer clothing. Water at +29° — great for swimming. Statistically the wettest month of the year.
December
+27°
+22°
+27°
117 mm
Gentle warmth — about +27° daytime, great walking weather. Frequent rain (117 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +27° — great for swimming. This is the coldest month of the year.
When to visit Chennai
✅ Recommended time to visit
🌟 Best time: January, February, March
Daytime air+28…+33°
Sea temperature+27…+29°
Precipitationrare
Why: comfortable +28…+33° by day, little rain, warm sea (+27…29°).
⚠️ Doable, with caveats
🌤️ Shoulder season: April, May, June, July, August, December
Daytime air+27…+36°
Sea temperature+27…+31°
Precipitationoften
Why: noticeable rain risk (15–117 mm/month) — pack an umbrella and backup plans.
🔴 Not the best time
🌤️ Shoulder season: September, October, November
Daytime air+28…+33°
Sea temperature+29…+30°
Precipitationoften
Why: the rainy season (108–226 mm/month) — downpours almost daily.
Bottom line: the best time to visit Chennai is January – March, and the most comfortable months are January, February, March. The toughest months to visit are September, October, November: frequent rain.
🌡️ Today vs the climate normal
Today's high
+37°
Normal for July
+34°
Deviation
3° warmer than normal
A year ago on this day
+36°
Record for this date
+38° (1958)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for Chennai
📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.