Mumbai climate — normals and trends
Mumbai (India) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.4 °C and it receives 2,034 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is May (29.2 °C on average) and the coldest is January (23.4 °C). Rainfall peaks in July.
Mumbai averages 0 frost days, 185 hot days (≥ 30 °C) and 130 rainy days per year.
Mumbai has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.9 °C (on 30 April 1959) and the coldest 12.3 °C (on 22 January 1962).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
MumbaiMaharashtra
- coords
- 19.07°, 72.88°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.4°C
Average daily high
30.0°C
Average daily low
23.4°C
Annual rainfall
2,034mm
Sunshine / day
9.9h
Mean relative humidity
74%
Average peak wind
17.9km/h
Seasonal range
5.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
185 d/yr
Rainy days (≥ 1 mm)
130 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.6 °C
Average feels-like low
26.3 °C
Average peak gust
31.6 km/h
Tropical nights (≥ 20 °C)
304 d/yr
Solar radiation
18.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.51 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
39.9 °C
30 April 1959
Coldest day
12.3 °C
22 January 1962
Wettest day
301 mm
5 August 2020
Windiest day
53.9 km/h
17 May 2021
Strongest gust
99.4 km/h
17 May 2021
Hottest feels-like
42.8 °C
15 April 2024
Coldest feels-like
8.5 °C
22 January 1962
Sunniest day
12.3 h
14 June 1979
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 30.2 °C | +1.3 °C | 0 mm | -2 mm |
| Feb | 31.9 °C | +2.2 °C | 0 mm | -1 mm |
| Mar | 33.2 °C | +1.8 °C | 0 mm | -1 mm |
| Apr | 33.1 °C | +1.0 °C | 1 mm | -2 mm |
| May | 31.5 °C | -0.6 °C | 200 mm | +175 mm |
| Jun | 29.8 °C | -0.1 °C | 516 mm | +115 mm |
| Jul | 28.5 °C | +0.7 °C | 416 mm | -313 mm |
| Aug | 28.1 °C | +0.6 °C | 534 mm | +19 mm |
| Sep | 28.2 °C | -0.2 °C | 442 mm | +178 mm |
| Oct | 31.1 °C | +0.3 °C | 114 mm | +40 mm |
| Nov | 30.5 °C | -0.6 °C | 12 mm | -2 mm |
| Dec | 30.4 °C | +0.5 °C | 0 mm | -5 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Mumbai?
Mumbai has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.4 °C and it receives 2,034 mm of precipitation per year.
What is the hottest day ever recorded in Mumbai?
The hottest day measured in Mumbai between 1940 and 2025 was 30 April 1959, reaching 39.9 °C.
What is the coldest day in Mumbai?
The coldest day measured in Mumbai between 1940 and 2025 was 22 January 1962, at 12.3 °C.
Does it snow in Mumbai?
Almost never: Mumbai sees virtually no snow, with about 0 frost days per year.
Has the climate of Mumbai warmed?
Yes: Mumbai warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mumbai?
The wettest day measured in Mumbai between 1940 and 2025 was 5 August 2020, with 301 mm of rain in 24 hours.
What was the windiest day in Mumbai?
The windiest day measured in Mumbai between 1940 and 2025 was 17 May 2021, with winds reaching 53.9 km/h.
What is the warmest month in Mumbai?
The warmest month in Mumbai is May (29.2 °C on average); the coldest is January (23.4 °C).
How much does it rain in Mumbai?
Mumbai receives on average 2,034 mm of precipitation per year, spread over about 130 rainy days.
Is it sunny in Mumbai?
Mumbai gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.
Are there tropical nights in Mumbai?
Yes: Mumbai has on average 304 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Mumbai?
In Mumbai, between 1940 and 2025, the highest apparent temperature reached 42.8 °C on 15 April 2024, and the lowest was 8.5 °C on 22 January 1962.
Compare Mumbai with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mumbai