Mumbai in Summer
In summer (June, July and August), Mumbai sees average daytime highs around 29°C and overnight lows near 26°C, with 1532 mm of rain over about 86 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Over the season highs ease from about 32°C in early June to 28°C by late August. The sky is clear or mostly clear about 7% of the time across summer, and the air most often feels miserable.
Summer is Mumbai's weakest season of the year to visit on our travel score. For the whole year in context, see Mumbai's year-round climate.
- Avg daytime high
- 29°C
- coldest season of the year
- Avg overnight low
- 26°C
- Rainfall
- 1532 mm
- 86 wet days
- Avg wind
- 17 km/h
- Travel score
- 3.1
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Mumbai in Summer
Over the season highs ease from about 32°C in early June to 28°C by late August.
A typical summer day in Mumbai reaches about 29°C and drops to 26°C overnight. The warmest of the three months is June, the coolest August.
How summer really feels in Mumbai
Once humidity and wind are folded in, summer brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Mumbai weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 19° | 1 | 0.2 | 11 | 7.4 |
| Feb | 30° / 20° | 1 | 0.1 | 11.4 | 7.0 |
| Mar | 32° / 22° | 1 | 0.1 | 11.9 | 5.8 |
| Apr | 32° / 25° | 0 | 0.1 | 12.4 | 5.4 |
| May | 32° / 27° | 15 | 3 | 12.9 | 5.0 |
| Jun | 30° / 27° | 420 | 25 | 13.1 | 3.1 |
| Jul | 28° / 26° | 636 | 31 | 13 | 3.0 |
| Aug | 28° / 25° | 476 | 30.4 | 12.6 | 3.3 |
| Sep | 29° / 25° | 296 | 23.5 | 12.1 | 3.7 |
| Oct | 31° / 25° | 61 | 8.8 | 11.6 | 4.7 |
| Nov | 32° / 23° | 8 | 1.4 | 11.1 | 5.4 |
| Dec | 30° / 20° | 6 | 0.5 | 10.9 | 6.5 |
Cloud cover in Summer
The sky is clear or mostly clear about 7% of the time across summer.
Chance of precipitation in Summer
Mumbai gets around 1532 mm of rain over 86 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 17 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 06 min in early June to 12 h 24 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 3.8 kWh/m².
Hazard calendar for Mumbai
In summer, Mumbai overlaps its cyclone, monsoon and dust season. The full year is below, with each hazard's peak months called out.
Mumbai sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.
Mumbai's monsoon runs June–September, when most of the year's rain falls.
Mumbai sees seasonal dust haze (July–August), heaviest in July.
Is summer a good time to visit Mumbai?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Mumbai.
What to pack for Mumbai in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Mumbai sees daytime highs around 29°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 86 days see rain.
Sea temperature near Mumbai in Summer
The nearest coast averages about 29°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 22 km away) is warmest in May at about 30°C and coldest in January near 25°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 25 | 25 | 27 | 29 | 30 | 30 | 29 | 28 | 28 | 29 | 28 | 27 |
| Comfort | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 25 | Warm |
| Feb | 25 | Warm |
| Mar | 27 | Warm |
| Apr | 29 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 29 | Tropical |
| Aug | 28 | Warm |
| Sep | 28 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 27 | Warm |
UV index in Mumbai in Summer
Clear-sky midday UV across summer averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Mumbai peaks around June 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 at about 5 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 7 | 8 | 11 | 11 | 10 | 12 | 11 | 11 | 11 | 9 | 5 | 6 |
| Level | Very high | Very high | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | Very high |
| Feb | 8 | Very high |
| Mar | 11 | Extreme |
| Apr | 11 | Extreme |
| May | 10 | Very high |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 11 | Extreme |
| Oct | 9 | Very high |
| Nov | 5 | High |
| Dec | 6 | High |
Air quality in Mumbai in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Mumbai is worst in February — around 74 µg/m³ PM2.5 (unhealthy), about 7.3× the cleanest month (August, 10 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Mumbai's WHO annual average of 40 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 65 | 74 | 59 | 34 | 18 | 12 | 11 | 10 | 16 | 46 | 67 | 66 |
| Level | Unhealthy | Unhealthy | Unhealthy | Moderate | Moderate | Moderate | Good | Good | Moderate | Poor | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 65 | Unhealthy |
| Feb | 74 | Unhealthy |
| Mar | 59 | Unhealthy |
| Apr | 34 | Moderate |
| May | 18 | Moderate |
| Jun | 12 | Moderate |
| Jul | 11 | Good |
| Aug | 10 | Good |
| Sep | 16 | Moderate |
| Oct | 46 | Poor |
| Nov | 67 | Unhealthy |
| Dec | 66 | Unhealthy |
Where is Mumbai?
Mumbai sits at 19.1°N, 72.9°E, 8 m above sea level, in India. The nearest listed city is Ellora, 261 km away.
Topography around Mumbai
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mumbai.
Within 3 km, the terrain around Mumbai has only modest variations in elevation — a maximum elevation change of 61 m around an average of 10 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 472 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,227 m.
The land around Mumbai is covered by artificial surfaces (69%) and trees (20%) within 3 km, water (43%) and artificial surfaces (28%) within 16 km, and water (35%) and trees (30%) within 80 km.
India travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / D / M
- 230 V · 50 Hz
- Prices
- ≈ 23% of US
- price level, 2025
- GDP per capita
- $2,702
- 2025
- Happiness
- 4.5 / 10
- World Happiness, 2025
- Safe drinking water
- 76%
- of population, 2024
- Homicide rate
- 2.8
- per 100k, 2022
- Road deaths
- 15.6
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Low
- EF EPI 484
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Mumbai (19.0728°, 72.8826°, elevation 8 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.