Mumbai, India Climate & Monthly Averages
Mumbai has a tropical wet-and-dry climate. May is the hottest month, averaging 91° by day; January is the coldest at 85°.
Rain, not cold, divides the year in Mumbai
Mumbai's year is organised around rain rather than temperature. 74% of its 89.2 inches (2266 mm) annual total arrives in the June to August window, while April averages less than 1 mm. Temperatures move far less: 91°F (33°C) at the year's warmest against 85°F (29°C) at its coolest.
The wet-and-dry rhythm at a glance
When it does rain it rains hard - about 17.3 mm on an average wet day, against roughly 6 mm for a typical temperate city. May is the warm end of the year, averaging 91°F (33°C) by day and 81°F (27°C) overnight. January sits at the other end of the year: 85°F (29°C) by day, 65°F (19°C) at night.
The gridded 2015-2024 daily record for this location tops out at 106°F (41°C) and bottoms at 55°F (13°C) - decade extremes, not all-time station records. Rainfall is strongly seasonal: 74% of the annual total falls in the June to August window, leaving April at less than 1 mm.
6 months average under 20 mm of rain, the longest unbroken stretch running November through April. Average highs hold at or above 30°C for 8 months of the year, February through June being the unbroken run.
More climate facts for Mumbai
- Hottest month: May - highs near 91°F (33°C)
- Coldest month: January - highs near 85°F (29°C)
- Decade extremes (2015-2024): 106°F (41°C) high · 55°F (13°C) low
- Wettest month: July (31 rainy days) · Sunniest: April (11.9 h sun/day)
- Climate type: tropical wet-and-dry
- Annual swing: 6°C between the average warmest and coolest month · day to night: 7°C
- Months averaging 30°C or hotter: 8
- Average humidity: 74%
Choosing the right part of the year in Mumbai
Choose dates by rain, not just temperature
Aim for January to May and November if you get the choice: the rains have stopped and the heat has not yet peaked, and highs average 89°F (32°C) against roughly 1 wet days a month. For the same question asked the other way round, see where else is warm in January.
What the humidity changes
Pack for Mumbai with lightweight, breathable clothing and serious sun protection and a compact umbrella or rain shell. Even in May, lows of 81°F (27°C) make an extra layer worth the space.
Warm all year: the monthly rain pattern
Each card shows the average high and low. The bar places that month between Mumbai's coldest night and warmest afternoon.
January
- Rain
- 0 days
- Sunshine
- 10.7 h
- Daylight
- 11.1 h
February
- Rain
- 0 days
- Sunshine
- 10.9 h
- Daylight
- 11.5 h
March
- Rain
- 0 days
- Sunshine
- 11.2 h
- Daylight
- 12.0 h
April
- Rain
- 0 days
- Sunshine
- 11.9 h
- Daylight
- 12.6 h
May
- Rain
- 3 days
- Sunshine
- 11.7 h
- Daylight
- 13.0 h
June
- Rain
- 26 days
- Sunshine
- 8.2 h
- Daylight
- 13.3 h
July
- Rain
- 31 days
- Sunshine
- 5.2 h
- Daylight
- 13.2 h
August
- Rain
- 30 days
- Sunshine
- 7.4 h
- Daylight
- 12.8 h
September
- Rain
- 27 days
- Sunshine
- 8.3 h
- Daylight
- 12.2 h
October
- Rain
- 11 days
- Sunshine
- 9.9 h
- Daylight
- 11.7 h
November
- Rain
- 2 days
- Sunshine
- 10.3 h
- Daylight
- 11.2 h
December
- Rain
- 1 day
- Sunshine
- 9.8 h
- Daylight
- 11.0 h
Looking for warmer alternatives? Browse warm places by month, or compare Mumbai's coolest part of the year: August, July, September.
Monthly temperature and rain table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 85° | 65° | 0 | 0.0 in | 10.7 h/day | 11.1 h | 2% | 64% |
| February | 87° | 68° | 0 | 0.0 in | 10.9 h/day | 11.5 h | 1% | 61% |
| March | 90° | 72° | 0 | 0.1 in | 11.2 h/day | 12.0 h | 1% | 64% |
| April | 91° | 76° | 0 | 0.0 in | 11.9 h/day | 12.6 h | 0% | 73% |
| May | 91° | 81° | 3 | 1.3 in | 11.7 h/day | 13.0 h | 11% | 75% |
| June | 86° | 80° | 26 | 17.6 in | 8.2 h/day | 13.3 h | 86% | 83% |
| July | 82° | 78° | 31 | 30.8 in | 5.2 h/day | 13.2 h | 100% | 89% |
| August | 82° | 78° | 30 | 17.2 in | 7.4 h/day | 12.8 h | 97% | 87% |
| September | 83° | 77° | 27 | 17.0 in | 8.3 h/day | 12.2 h | 89% | 87% |
| October | 88° | 76° | 11 | 4.2 in | 9.9 h/day | 11.7 h | 36% | 80% |
| November | 90° | 72° | 2 | 0.2 in | 10.3 h/day | 11.2 h | 5% | 64% |
| December | 87° | 69° | 1 | 0.6 in | 9.8 h/day | 11.0 h | 3% | 64% |
How Mumbai compares for rain and warmth
- 74% of the year's precipitation falls in its wettest three months - more seasonal than 97% of the 3496 cities we track.
- Mumbai averages 80°F (27°C) across the year - warmer than 92% of the 3496 cities we track.
These comparisons use the same ten-year window for every city in the dataset.
How the calendar changes in warm-weather Mumbai
March through May
March through May in Mumbai is hot, with daytime highs averaging 91°F (33°C) and nights around 76°F (25°C); precipitation is sparse, near 1.5 inches (37 mm) for the season. Daylight is generous - around 11.6 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
June through August
Through June through August, Mumbai is hot: 84°F (29°C) by day, 78°F (26°C) after dark, and rain falls on around 87 of the 90 days.
September through November
September through November brings hot afternoons here - highs near 87°F (31°C), nights near 75°F (24°C), and rain falls on around 39 of the 90 days.
December through February
December through February in Mumbai brings hot afternoons, with daytime highs averaging 86°F (30°C) and nights around 67°F (20°C); precipitation is sparse, near 18 mm (0.7 in) for the season. Daylight is generous - around 10.5 hours of sun a day.
Questions about heat and rain in Mumbai
How hot does Mumbai get in summer?
When is monsoon season in Mumbai?
How warm is Mumbai on average?
What should I pack for Mumbai?
When is the dry season in Mumbai?
Are nights cold in Mumbai?
Mumbai temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.