New Delhi is 2.7°C (4.9°F) warmer by day, Kolkata has 3.2°C (5.8°F) warmer nights, Kolkata gets 870 mm (34.3 in) more rain a year.
Kolkata is at its warmest in April and coolest in January, while New Delhi peaks in June and bottoms out in January. Month for month, Kolkata is the warmer of the two in 6 of 12 months.
Kolkata is the wetter of the two, collecting 1,524 mm (60 in) of rain a year against 654 mm (25.7 in) in New Delhi. The most comfortable time to visit is January, February and November in Kolkata and February, March and November in New Delhi.
| Kolkata | Metric | New Delhi |
|---|---|---|
| 🌡️ Temperature | ||
| 34.7°C | 🌡️Average daytime high | 37.4°C |
| 18°C | 🌙Average nighttime low | 14.8°C |
| April | 🔥Hottest month | June |
| January | ❄️Coldest month | January |
| 🌧️ Rain | ||
| 1,524 mm | 🌧️Annual rainfall | 654 mm |
| July | ☔Wettest month | August |
| December | 🏜️Driest month | November |
| 💨 Climate | ||
| 72% | 💧Average humidity | 43% |
| 2.3 m/s | 💨Average wind speed | 2 m/s |
Overnight, Kolkata typically falls to around 18°C (64.4°F) while New Delhi settles near 14.8°C (58.6°F).
Kolkata is hottest in April and coldest in January, whereas New Delhi peaks in June and is coolest in January.
Kolkata sees the most rain in July and the least in December; New Delhi is wettest in August and driest in November.
Kolkata feels the more humid of the two, averaging 72% relative humidity against 43%.
For New Delhi, the pick of the year is February, March and November.
Month by month, here is the coldest night, the average day and the hottest afternoon each city can expect. Switch Compare to read rainfall, humidity, wind or solar instead, and Period to move between the long-term 45-year average and any single year — the shading is a quick warm-to-cool guide.
| Month | Kolkata | New Delhi | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | 6.9 | 18 | 29.2 | 2.7 | 14.8❄️ | 26.9 |
| February | 9.9 | 22.2 | 34.5 | 4.8 | 18.2 | 31.6 |
| March | 15.2 | 27.6 | 39.9 | 9.4 | 23.9 | 38.5 |
| April | 21.8 | 32.3 | 42.8 | 15.3 | 29.4 | 43.5 |
| May | 24.7 | 33.5🔥 | 42.2 | 22.1 | 34.2 | 46.3 |
| June | 25.8 | 32.3 | 38.8 | 25.8 | 36.1🔥 | 46.3 |
| July | 25.4 | 29.7 | 33.9 | 25.8 | 34.3 | 42.9 |
| August | 25.1 | 28.9 | 32.8 | 24.2 | 31.2 | 38.3 |
| September | 23.7 | 28.1 | 32.5 | 20.3 | 28.9 | 37.4 |
| October | 17.5 | 24.7 | 32 | 14.7 | 25.5 | 36.4 |
| November | 12 | 21.1 | 30.1 | 8.8 | 20.6 | 32.4 |
| December | 7.6 | 17.6❄️ | 27.6 | 4.2 | 16.1 | 28 |
| Annual Avg | 18 | 26.3 | 34.7 | 14.8 | 26.1 | 37.4 |
Min / mean / max temperature (°C). 🔥 marks each city's hottest month, ❄️ its coldest; shading runs cool blue to warm red.
The same figures plotted out, so the shape of a typical year is easier to see than in a grid. Where the two lines run close together Kolkata and New Delhi feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. Kolkata New Delhi
See how Kolkata and New Delhi stack up against other cities. Swipe for more.
Choose which city to keep, then search for any other city in our database — we'll build the comparison for you.
Quick answers to the questions people ask most when comparing Kolkata and New Delhi — each drawn straight from the climate figures above.
New Delhi is the warmer of the two. It averages daytime highs of 37.4°C (99.3°F) against 34.7°C (94.5°F) in Kolkata — roughly 2.7°C (4.9°F) warmer by day. Nights are milder in Kolkata, with average lows of 18°C (64.4°F) versus 14.8°C (58.6°F).
Kolkata is hottest in April, averaging highs of about 42.8°C (109.1°F), while New Delhi peaks in June at around 46.3°C (115.4°F). That makes New Delhi the hotter of the two at the height of summer.
New Delhi gets colder. In its coldest month (January) overnight lows average about 2.7°C (36.9°F), compared with 6.9°C (44.3°F) at the low point of the year in Kolkata.
Kolkata is the wetter city, collecting about 1,524 mm (60 in) of rain a year versus 654 mm (25.7 in) in New Delhi. Kolkata is wettest in July and driest in December; New Delhi is wettest in August and driest in November.
Kolkata is the more humid of the two, averaging 72% relative humidity over the year against 43% in New Delhi.
The most comfortable months in Kolkata are January, February and November, when average temperatures are at their mildest.
New Delhi is at its most pleasant around February, March and November, based on the mildest average temperatures of the year.
Kolkata is the warmer city in 6 of the 12 months of the year. The gap is widest in July, about 4.6°C (8.3°F), and narrowest in November, about 0.5°C (0.9°F).
New Delhi has the bigger seasonal swing, about 21.3°C (38.3°F) between its coldest and hottest months versus 15.9°C (28.6°F) in Kolkata — so Kolkata has the steadier, more even climate.
On climate alone, New Delhi comes out ahead — it offers warmer days, less rain and lower humidity than Kolkata. Kolkata is the better fit only if you'd actually prefer cooler weather, more rainfall and a more humid climate.
Every figure on this page is calculated from NASA POWER satellite climate data spanning 1981–2025 (45 years). The averages describe the long-term climate of Kolkata and New Delhi, not a single year's weather or a short-range forecast.
