Weather in Kolkata — today
Now in Kolkata
⛈️
+26°
Thunderstorm with hail
Feels like +31° · humidity 91%
Today 12.9: +30° / +26°
🕐 11:55
Wind
16 km/h
UV index
7
Air (AQI)
31 · Good
Precipitation
100%
Humidity
91%
Pressure
1012 hPa
Sunrise / sunset
05:22 / 17:43
👕 What to wear today
Warm — a T-shirt and light trousers or shorts.
☂️ Take an umbrellaFeels warmer by 5°
Weather for an activity:
Detailed weather information for Kolkata
Today, 12 September, Saturday, in Kolkata (India): partly cloudy, hot. During the day the air will warm up to +30°, at night around +26°. UV is high (index 7) — sunscreen will come in handy in the sun. Wind up to 16 km/h. High chance of rain — be sure to take an umbrella or a raincoat. Light summer clothing will do — a T-shirt and shorts or light trousers. The sun will rise at 05:22 and set at 17:43 — daylight lasts 12 hours.Hourly weather in Kolkata
💧 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 Kolkata 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).
▶
Today 12.9
⛈️
💧 100%
+26° +30°
Morning
⛈️
+27°
Day
⛈️
+30°
Evening
🌇
+29°
Night
🌙
+26°
▶
Tomorrow 13.9
⛈️
💧 100%
+25° +31°
Morning
☁️
+28°
Day
⛈️
+31°
Evening
🌇
+26°
Night
🌙
+25°
▶
Mon 14.9
⛈️
💧 86%
+26° +32°
Morning
⛈️
+28°
Day
⛈️
+32°
Evening
🌇
+31°
Night
🌙
+26°
▶
Tue 15.9
🌦️
💧 73%
+26° +32°
Morning
🌦️
+28°
Day
🌦️
+32°
Evening
🌇
+31°
Night
🌙
+26°
▶
Wed 16.9
⛈️
💧 99%
+26° +32°
Morning
⛈️
+28°
Day
⛈️
+32°
Evening
🌇
+31°
Night
🌙
+26°
▶
Thu 17.9
⛈️
💧 88%
+26° +32°
Morning
⛈️
+28°
Day
⛈️
+32°
Evening
🌇
+31°
Night
🌙
+26°
▶
Fri 18.9
⛈️
💧 80%
+25° +31°
Morning
⛈️
+27°
Day
⛈️
+31°
Evening
🌇
+30°
Night
🌙
+25°
▶
Sat 19.9
⛈️
💧 82%
+26° +32°
Morning
⛈️
+28°
Day
⛈️
+32°
Evening
🌇
+31°
Night
🌙
+26°
▶
Sun 20.9
⛈️
💧 71%
+25° +32°
Morning
⛈️
+28°
Day
⛈️
+32°
Evening
🌇
+30°
Night
🌙
+25°
▶
Mon 21.9
⛈️
💧 69%
+26° +32°
Morning
⛈️
+28°
Day
⛈️
+32°
Evening
🌇
+31°
Night
🌙
+26°
▶
Tue 22.9
⛈️
💧 75%
+26° +32°
Morning
⛈️
+28°
Day
⛈️
+32°
Evening
🌇
+31°
Night
🌙
+26°
▶
Wed 23.9
🌦️
💧 78%
+26° +33°
Morning
🌦️
+29°
Day
🌦️
+33°
Evening
🌇
+31°
Night
🌙
+26°
▶
Thu 24.9
⛈️
💧 82%
+27° +33°
Morning
⛈️
+29°
Day
⛈️
+33°
Evening
🌇
+32°
Night
🌙
+27°
▶
Fri 25.9
⛈️
💧 76%
+26° +31°
Morning
⛈️
+28°
Day
⛈️
+31°
Evening
🌇
+30°
Night
🌙
+26°
🗺️ 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.
🏃 Running
0 / 100
comfort for running · Bad
🧴 UV
63%
high · high
☂️ Rain
100%
likely · high
✨ Stars
18 / 100
evening visibility · Bad
🧺 Laundry drying
0 / 100
will dry outside · Bad
🚗 Car wash
0 / 100
better to wait · Bad
🌫️ Air quality
31
Good air
European AQI
PM2.5: 6PM10: 7O₃: 82NO₂: 3
The air is clean — you can walk and exercise outside.
🌅 Sun, moon and sea
Sunrise
05:22
Sunset
17:43
Golden hour
17:13
Daylight
12 h (-1 min vs yesterday)
Kolkata 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.
+25°
+13°
Jan
+29°
+17°
Feb
+33°
+22°
Mar
+35°
+25°
Apr
+35°
+27°
May
+33°
+27°
Jun
+31°
+26°
Jul
+31°
+26°
Aug
+31°
+25°
Sep
+30°
+23°
Oct
+28°
+19°
Nov
+26°
+15°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
| Month | Day | Night | Precipitation | What to pack and what makes the month notable (events, nuances) |
|---|---|---|---|---|
| January | +25° | +13° | 13 mm | The most pleasant season: +25° by day, comfortable all day long. 😊 light summer clothing. This is the coldest month of the year. |
| February | +29° | +17° | 23 mm | Warm and comfortable: +29° by day, +17° at night. 😊 light summer clothing. Weather-wise, one of the three best months to visit. |
| March | +33° | +22° | 28 mm | Up to +33° by day — hot, yet not muggy; mornings and evenings are pleasant. ☀️ water and sunscreen. |
| April | +35° | +25° | 69 mm | A hot, dry month: +35° daytime, warm pleasant evenings. One of the wettest months (69 mm): downpours can derail plans. ☀️ water and sunscreen. This is the hottest month of the year in Kolkata. |
| May | +35° | +27° | 124 mm | Hot (+35° by day) but dry — manageable with a sensible schedule. It's a rainy month (124 mm) — an umbrella is a must. ☀️ water and sunscreen. |
| June | +33° | +27° | 266 mm | Up to +33° by day — hot, yet not muggy; mornings and evenings are pleasant. Frequent rain (266 mm over the month) — keep indoor backup plans. ☀️ water and sunscreen. The longest daylight hours of the year — more time for everything. |
| July | +31° | +26° | 353 mm | A comfortable month: +31° by day without exhausting heat. One of the wettest months (353 mm): downpours can derail plans. 😊 light summer clothing. Statistically the wettest month of the year. |
| August | +31° | +26° | 308 mm | Warm and comfortable: +31° by day, +26° at night. It's a rainy month (308 mm) — an umbrella is a must. 😊 light summer clothing. |
| September | +31° | +25° | 253 mm | Gentle warmth — about +31° daytime, great walking weather. Frequent rain (253 mm over the month) — keep indoor backup plans. 😊 light summer clothing. |
| October | +30° | +23° | 137 mm | A comfortable month: +30° by day without exhausting heat. One of the wettest months (137 mm): downpours can derail plans. 😊 light summer clothing. |
| November | +28° | +19° | 30 mm | Warm and comfortable: +28° by day, +19° at night. 😊 light summer clothing. |
| December | +26° | +15° | 11 mm | Ideal weather: +26° daytime — neither hot nor cold. 😊 light summer clothing. One of the driest months — rain is very unlikely. |
When to visit Kolkata
✅ Recommended time to visit
🌟 Best time: January, February, December
Daytime air+25…+29°
Precipitationrare
Why: comfortable +25…+29° by day, little rain.
⚠️ Doable, with caveats
🌤️ Shoulder season: March, April, May, June, October, November
Daytime air+28…+35°
Precipitationoften
Why: noticeable rain risk (28–266 mm/month) — pack an umbrella and backup plans.
🔴 Not the best time
🌤️ Shoulder season: July, August, September
Daytime air+31…+31°
Precipitationoften
Why: the rainy season (253–353 mm/month) — downpours almost daily.
Bottom line: the best time to visit Kolkata is December – February, and the most comfortable months are January, February, December. The toughest months to visit are July, August, September: frequent rain.
🌡️ Today vs the climate normal
Today's high
+30°
Normal for September
+31°
Deviation
1° colder than normal
A year ago on this day
+33°
Record for this date
+33° (2009)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for Kolkata
📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.
Show the archive for the selected day →
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Weather in cities near Kolkata
Frequently asked questions about the weather in Kolkata
What is the weather in Kolkata right now?＋
Thunderstorm with hail, +26°, feels like +31°.
Will it rain in Kolkata today?＋
Yes: 100% chance, 10 mm.
When is the best time to visit Kolkata?＋
Best time to visit — December – February.
What time are sunrise and sunset in Kolkata?＋
Sunrise 05:22, sunset 17:43.
Does it snow in Kolkata in winter?＋
No, it practically never snows.
What is the climate in Kolkata by month?＋
Summers up to +35° in April, winters around +13° in January; the wettest month is July.
How hot is it in Kolkata in summer?＋
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.