New Delhi is 15.9°C (28.6°F) warmer by day, New Delhi has 12.8°C (23°F) warmer nights, Seattle gets 601 mm (23.7 in) more rain a year.
New Delhi is at its warmest in June and coolest in January, while Seattle peaks in July and bottoms out in December. Month for month, New Delhi is the warmer of the two in 12 of 12 months.
Seattle is the wetter of the two, collecting 1,255 mm (49.4 in) of rain a year against 654 mm (25.7 in) in New Delhi. The most comfortable time to visit is February, March and November in New Delhi and June, July and August in Seattle.
| New Delhi | Metric | Seattle |
|---|---|---|
| 🌡️ Temperature | ||
| 37.4°C | 🌡️Average daytime high | 21.5°C |
| 14.8°C | 🌙Average nighttime low | 2°C |
| June | 🔥Hottest month | July |
| January | ❄️Coldest month | December |
| 🌧️ Rain | ||
| 654 mm | 🌧️Annual rainfall | 1,255 mm |
| August | ☔Wettest month | November |
| November | 🏜️Driest month | July |
| 💨 Climate | ||
| 43% | 💧Average humidity | 83% |
| 2 m/s | 💨Average wind speed | 0.7 m/s |
Overnight, New Delhi typically falls to around 14.8°C (58.6°F) while Seattle settles near 2°C (35.6°F).
New Delhi is hottest in June and coldest in January, whereas Seattle peaks in July and is coolest in December.
New Delhi sees the most rain in August and the least in November; Seattle is wettest in November and driest in July.
Seattle feels the more humid of the two, averaging 83% relative humidity against 43%.
For Seattle, the pick of the year is June, July and August.
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 | New Delhi | Seattle | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | 2.7 | 14.8❄️ | 26.9 | -4.3 | 3.9 | 12.1 |
| February | 4.8 | 18.2 | 31.6 | -4 | 4.8 | 13.6 |
| March | 9.4 | 23.9 | 38.5 | -1.2 | 8 | 17.2 |
| April | 15.3 | 29.4 | 43.5 | 1 | 11.5 | 22.1 |
| May | 22.1 | 34.2 | 46.3 | 3.7 | 14.8 | 26 |
| June | 25.8 | 36.1🔥 | 46.3 | 6.7 | 17.5 | 28.3 |
| July | 25.8 | 34.3 | 42.9 | 9.5 | 19.9 | 30.3 |
| August | 24.2 | 31.2 | 38.3 | 9.8 | 20🔥 | 30.2 |
| September | 20.3 | 28.9 | 37.4 | 6.9 | 17.5 | 28.1 |
| October | 14.7 | 25.5 | 36.4 | 2 | 12.3 | 22.5 |
| November | 8.8 | 20.6 | 32.4 | -2 | 6.8 | 15.5 |
| December | 4.2 | 16.1 | 28 | -4.5 | 3.7❄️ | 12 |
| Annual Avg | 14.8 | 26.1 | 37.4 | 2 | 11.7 | 21.5 |
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 New Delhi and Seattle feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. New Delhi Seattle
See how New Delhi and Seattle 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 New Delhi and Seattle — 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 21.5°C (70.7°F) in Seattle — roughly 15.9°C (28.6°F) warmer by day. Nights are milder in New Delhi, with average lows of 14.8°C (58.6°F) versus 2°C (35.6°F).
New Delhi is hottest in June, averaging highs of about 46.3°C (115.4°F), while Seattle peaks in July at around 30.3°C (86.5°F). That makes New Delhi the hotter of the two at the height of summer.
Seattle gets colder. In its coldest month (December) overnight lows average about -4.5°C (23.8°F), compared with 2.7°C (36.9°F) at the low point of the year in New Delhi.
Seattle is the wetter city, collecting about 1,255 mm (49.4 in) of rain a year versus 654 mm (25.7 in) in New Delhi. New Delhi is wettest in August and driest in November; Seattle is wettest in November and driest in July.
Seattle is the more humid of the two, averaging 83% relative humidity over the year against 43% in New Delhi.
The most comfortable months in New Delhi are February, March and November, when average temperatures are at their mildest.
Seattle is at its most pleasant around June, July and August, based on the mildest average temperatures of the year.
New Delhi is the warmer city in all 12 months of the year. The gap is widest in May, about 19.4°C (34.9°F), and narrowest in January, about 10.9°C (19.6°F).
New Delhi has the bigger seasonal swing, about 21.3°C (38.3°F) between its coldest and hottest months versus 16.3°C (29.3°F) in Seattle — so Seattle has the steadier, more even climate.
On climate alone, New Delhi comes out ahead — it offers warmer days, less rain and lower humidity than Seattle. Seattle 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 New Delhi and Seattle, not a single year's weather or a short-range forecast.