October is one of the cooler months of the year in Mumbai, with average highs near 31.1°C and lows around 22°C (mean 26.6°C). It is one of the drier months, averaging 108 mm of rainfall and 78% relative humidity across the period.
October is one of the cooler months of the year in Mumbai. Across 45 years of records, the warmest October in Mumbai was 2015 — when the month averaged 28.1°C — while the coldest was 1983 at 25.4°C. Typical October days reach 31.1°C with nights near 22°C. The long-term trend is warming, about 0.2°C per decade.
October is one of the drier months in Mumbai, averaging 108 mm of rainfall. The wettest October on record was 1998 with 311 mm, while the driest was 1986 at 2 mm.
Relative humidity in Mumbai during October averages 78%. The most humid October was 2019 at 84%, and the least humid was 2018 at 69%.
October receives about 5.2 kWh/m²/day of solar energy in Mumbai. The sunniest October was 1997 at 5.8 kWh/m²/day, and the cloudiest was 2020 at 4.3.
Average wind speed in Mumbai during October is 1.8 m/s. The windiest Octobers were 1996, 2004 and 2025, among others at 2.2 m/s, while the calmest was 2000 at 1.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.4°C | 26.4°C | 26.5°C | 27.0°C | 26.9°C | +0.5°C |
| Avg High | 31.1°C | 30.8°C | 31.4°C | 31.4°C | 30.9°C | -0.2°C |
| Avg Low | 21.7°C | 22.0°C | 21.5°C | 22.6°C | 22.8°C | +1.1°C |
| Avg Rain | 77 mm | 137 mm | 75 mm | 121 mm | 135 mm | +57 mm |
October temperatures in Mumbai have risen by about 0.6°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 16.3°C (1985) to a record high of 36.6°C (1986).
Rainfall in October is one of the drier months, averaging 108 mm, with a wettest year of 311 mm.
A good time to visit Mumbai
October is a good time to visit Mumbai, with days averaging 31.1°C and nights around 22°C (mean 26.6°C, close to Mumbai's yearly average) and higher rainfall. December and January are marginally more temperate, but October still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 30.7°C | 26.7°C | 22.7°C | 32.7°C | 18.7°C | 145 mm | 83% | 2.2 m/s | 4.9 |
| 2024 | 31.6°C | 27.6°C | 23.7°C | 33.2°C | 20.3°C | 195 mm | 84% | 1.6 m/s | 4.9 |
| 2023 | 31.9°C | 27.0°C | 22.1°C | 33.6°C | 18.6°C | 25 mm | 77% | 1.7 m/s | 5 |
| 2022 | 29.8°C | 25.8°C | 21.8°C | 31.8°C | 17.6°C | 189 mm | 83% | 2 m/s | 5.1 |
| 2021 | 30.8°C | 26.7°C | 22.5°C | 32.6°C | 18.2°C | 73 mm | 81% | 1.6 m/s | 5.4 |
| 2020 | 30.7°C | 27.3°C | 23.9°C | 32.5°C | 19.9°C | 180 mm | 83% | 1.5 m/s | 4.3 |
| 2019 | 30.3°C | 26.8°C | 23.4°C | 33.1°C | 21.1°C | 193 mm | 84% | 1.8 m/s | 4.4 |
| 2018 | 33.1°C | 27.5°C | 22.0°C | 35.3°C | 18.2°C | 22 mm | 69% | 1.6 m/s | 5.3 |
| 2017 | 31.8°C | 27.2°C | 22.5°C | 34.0°C | 18.1°C | 136 mm | 77% | 1.5 m/s | 4.8 |
| 2016 | 30.3°C | 25.5°C | 20.7°C | 32.1°C | 16.7°C | 100 mm | 79% | 1.9 m/s | 4.9 |
| 2015 🔥 | 32.8°C | 28.1°C | 23.4°C | 35.3°C | 20.6°C | 72 mm | 76% | 1.6 m/s | 5.1 |
| 2014 | 31.7°C | 27.1°C | 22.4°C | 33.6°C | 18.7°C | 30 mm | 75% | 1.7 m/s | 5.1 |
| 2013 | 30.8°C | 26.8°C | 22.7°C | 33.4°C | 19.5°C | 89 mm | 82% | 1.7 m/s | 5.1 |
| 2012 | 31.1°C | 26.9°C | 22.7°C | 33.0°C | 18.1°C | 207 mm | 79% | 1.6 m/s | 4.9 |
| 2011 | 31.4°C | 26.9°C | 22.5°C | 32.7°C | 18.1°C | 168 mm | 79% | 1.7 m/s | 5.1 |
| 2010 | 30.8°C | 27.0°C | 23.2°C | 33.3°C | 20.0°C | 195 mm | 82% | 1.7 m/s | 4.8 |
| 2009 | 31.2°C | 26.6°C | 22.0°C | 33.3°C | 17.9°C | 209 mm | 76% | 1.9 m/s | 5 |
| 2008 | 31.6°C | 26.4°C | 21.2°C | 33.6°C | 17.3°C | 36 mm | 75% | 1.9 m/s | 5.7 |
| 2007 | 31.2°C | 25.8°C | 20.3°C | 32.9°C | 18.2°C | 5 mm | 74% | 2 m/s | 5.2 |
| 2006 | 31.4°C | 27.0°C | 22.5°C | 33.3°C | 19.2°C | 147 mm | 79% | 1.9 m/s | 5 |
| 2005 | 30.8°C | 26.0°C | 21.1°C | 33.0°C | 16.8°C | 76 mm | 77% | 1.8 m/s | 5.4 |
| 2004 | 30.3°C | 25.6°C | 20.9°C | 32.2°C | 17.7°C | 27 mm | 77% | 2.2 m/s | 5.5 |
| 2003 | 31.8°C | 26.5°C | 21.3°C | 33.5°C | 17.8°C | 51 mm | 76% | 1.8 m/s | 5.5 |
| 2002 | 33.2°C | 27.6°C | 21.9°C | 34.7°C | 17.6°C | 17 mm | 72% | 1.7 m/s | 5.4 |
| 2001 | 30.7°C | 26.4°C | 22.0°C | 32.8°C | 18.1°C | 120 mm | 80% | 2 m/s | 5.2 |
| 2000 | 31.6°C | 26.9°C | 22.2°C | 34.0°C | 18.6°C | 64 mm | 79% | 1.3 m/s | 5.7 |
| 1999 | 30.8°C | 26.3°C | 21.7°C | 32.5°C | 17.2°C | 233 mm | 81% | 1.9 m/s | 5.6 |
| 1998 🌧️ | 30.1°C | 26.7°C | 23.3°C | 32.9°C | 17.9°C | 311 mm | 84% | 2 m/s | 5.4 |
| 1997 | 31.4°C | 26.3°C | 21.2°C | 33.4°C | 18.7°C | 12 mm | 78% | 1.6 m/s | 5.8 |
| 1996 | 30.0°C | 25.8°C | 21.5°C | 32.3°C | 17.8°C | 199 mm | 82% | 2.2 m/s | 5 |
| 1995 | 31.4°C | 26.8°C | 22.3°C | 33.7°C | 18.7°C | 87 mm | 80% | 1.9 m/s | 5.5 |
| 1994 | 31.0°C | 26.4°C | 21.8°C | 32.8°C | 18.8°C | 112 mm | 78% | 1.8 m/s | 5.2 |
| 1993 | 30.8°C | 26.9°C | 23.0°C | 32.3°C | 17.1°C | 220 mm | 83% | 1.6 m/s | 5 |
| 1992 | 30.5°C | 26.0°C | 21.5°C | 32.9°C | 17.2°C | 53 mm | 80% | 1.7 m/s | 5.4 |
| 1991 | 31.9°C | 26.5°C | 21.1°C | 33.5°C | 17.8°C | 3 mm | 74% | 1.6 m/s | 5.5 |
| 1990 | 30.4°C | 26.4°C | 22.3°C | 32.2°C | 19.3°C | 143 mm | 82% | 2 m/s | 5.2 |
| 1989 | 31.7°C | 26.5°C | 21.4°C | 34.4°C | 18.5°C | 77 mm | 73% | 1.5 m/s | 5.6 |
| 1988 | 30.5°C | 25.7°C | 20.9°C | 32.5°C | 18.1°C | 75 mm | 75% | 1.9 m/s | 5.4 |
| 1987 | 32.1°C | 27.1°C | 22.2°C | 33.9°C | 18.1°C | 144 mm | 75% | 1.6 m/s | 5.3 |
| 1986 | 32.9°C | 27.0°C | 21.1°C | 36.6°C | 17.7°C | 2 mm | 72% | 1.6 m/s | 5.7 |
| 1985 | 30.6°C | 25.6°C | 20.6°C | 33.9°C | 16.3°C | 179 mm | 76% | 2 m/s | 5.5 |
| 1984 | 30.6°C | 26.3°C | 21.9°C | 33.4°C | 18.9°C | 76 mm | 79% | 1.6 m/s | 5.3 |
| 1983 ❄️ | 29.3°C | 25.4°C | 21.5°C | 31.4°C | 17.7°C | 43 mm | 83% | 2.2 m/s | — |
| 1982 | 31.6°C | 27.4°C | 23.2°C | 33.7°C | 21.2°C | 20 mm | 78% | 1.4 m/s | — |
| 1981 | 30.7°C | 26.4°C | 22.1°C | 32.8°C | 19.1°C | 78 mm | 80% | 1.8 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 31.1°C with lows near 22°C (mean 26.6°C), based on 45 years of NASA POWER data.
October averages 108 mm of rainfall in Mumbai, one of the drier months. The wettest on record was 311 mm in 1998.
The hottest October reached 36.6°C in 1986. The coldest dipped to 16.3°C in 1985.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 0.6°C. Daytime highs moved from 30.6°C to 31°C and overnight lows from 21.9°C to 22.6°C over the same span.
October is one of the cooler months of the year in Mumbai and one of the drier months, so plan for around 31.1°C daytime highs and 22°C at night.
Not quite — October is the 7th coolest month in Mumbai, averaging 26.6°C.
For October in Mumbai, pack light, breathable clothing and sun protection, with typical highs of 31.1°C and lows of 22°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 78% — quite humid.
Average wind speed in October is 1.8 m/s. The windiest October on record averaged 2.2 m/s (1983).
The wettest October on record was 1998 with 311 mm. On average, October sees 108 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Mumbai behaves each October, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for October specifically, along with year-by-year records and how the month has changed over the decades.
