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Mumbai climate by month
What the weather is like
Mumbai has a tropical monsoon climate (Köppen Am): .
The warmest month is May, when afternoons average 31° and nights 27°. August is the coolest month, with highs of 27° and lows of 25°. The difference between the warmest and the coolest month is about 5°, a small seasonal swing typical of places tempered by the sea.
About 2,713 mm of precipitation falls in an average year. July is the wettest month (985 mm, 29 wet days) and January the driest (1 mm, 0 wet days). Cloud cover ranges from 5% in February to 64% in July.
The sea reaches about 30° in May. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with New Delhi, the capital, Mumbai is 8.6° cooler on a May afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 31° · May
- Coldest nights
- 20° · January
- Wettest month
- July
- Driest month
- January
- Clearest skies
- February · 5% cloud
- Warmest sea
- 30° · May
- Longest day
- 13 h 16 min
- Shortest day
- 10 h 59 min
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthClimate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 28° | 28° | 30° | 31° | 31° | 30° | 28° | 27° | 28° | 30° | 30° | 29° |
| Average low | 20° | 21° | 23° | 25° | 27° | 27° | 26° | 25° | 25° | 25° | 24° | 21° |
| Precipitation | 1 mm | 0 mm | 1 mm | 1 mm | 29 mm | 545 mm | 985 mm | 639 mm | 410 mm | 86 mm | 14 mm | 2 mm |
| Wet days (≥1 mm) | 0.1 | 0.6 | 0.8 | 0.6 | 2.1 | 22.5 | 29.3 | 28.9 | 22.9 | 10 | 2.1 | 0.5 |
| Cloud cover | 8% | 5% | 7% | 8% | 14% | 47% | 64% | 61% | 42% | 22% | 13% | 11% |
| Sea temperature | 25° | 25° | 27° | 29° | 30° | 30° | 29° | 28° | 28° | 29° | 28° | 27° |
| Daylight | 11h 06 | 11h 31 | 12h 01 | 12h 34 | 13h 02 | 13h 16 | 13h 11 | 12h 47 | 12h 16 | 11h 44 | 11h 15 | 10h 59 |
| Month score | 89 | 86 | 78 | 75 | 71 | 41 | 41 | 44 | 49 | 55 | 73 | 83 |