December is one of the cooler months of the year in Mumbai Suburban, with average highs near 31.1°C and lows around 17.1°C (mean 24.1°C). It is one of the drier months, averaging 6 mm of rainfall and 60% relative humidity across the period.
December is one of the cooler months of the year in Mumbai Suburban. Across 45 years of records, the warmest December in Mumbai Suburban was 2002 — when the month averaged 25.8°C — while the coldest was 2010 at 22.2°C. Typical December days reach 31.1°C with nights near 17.1°C. The long-term December temperature trend is broadly flat.
December is one of the drier months in Mumbai Suburban, averaging 6 mm of rainfall. The wettest December on record was 2021 with 71 mm, while the driest were 2015, 2016 and 2025, among others at 0 mm.
Relative humidity in Mumbai Suburban during December averages 60%. The most humid December was 2019 at 77%, and the least humid was 2000 at 44%.
December receives about 4.6 kWh/m²/day of solar energy in Mumbai Suburban. The sunniest Decembers were 1986, 1999 and 2016 at 4.9 kWh/m²/day, and the cloudiest was 2019 at 3.8.
Average wind speed in Mumbai Suburban during December is 2 m/s. The windiest December was 2025 at 2.5 m/s, while the calmest was 1997 at 1.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.3°C | 23.6°C | 24.6°C | 24.0°C | 23.8°C | -0.5°C |
| Avg High | 31.5°C | 30.7°C | 32.0°C | 30.9°C | 30.1°C | -1.4°C |
| Avg Low | 17.1°C | 16.5°C | 17.2°C | 17.1°C | 17.6°C | +0.5°C |
| Avg Rain | 4 mm | 6 mm | 2 mm | 7 mm | 16 mm | +12 mm |
December temperatures in Mumbai Suburban have fallen by about 0.4°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 9.1°C (1983) to a record high of 37.1°C (2002).
Rainfall in December is one of the drier months, averaging 6 mm, with a wettest year of 71 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.2°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
One of the best times to visit Mumbai Suburban
December is one of the best times to visit Mumbai Suburban. Expect days averaging 31.1°C and nights around 17.1°C (mean 24.1°C) — cooler than Mumbai Suburban's yearly average — with low rainfall (6 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 29.8°C | 22.7°C | 15.6°C | 31.4°C | 13.4°C | 0 mm | 62% | 2.5 m/s | — |
| 2024 | 30.0°C | 23.8°C | 17.5°C | 32.9°C | 13.2°C | 5 mm | 72% | 2.1 m/s | 4.1 |
| 2023 | 31.3°C | 25.0°C | 18.7°C | 34.4°C | 16.0°C | 1 mm | 65% | 2.1 m/s | 4.1 |
| 2022 | 30.8°C | 24.6°C | 18.5°C | 32.6°C | 12.9°C | 6 mm | 69% | 1.9 m/s | 4.3 |
| 2021 🌧️ | 28.6°C | 23.0°C | 17.5°C | 30.2°C | 15.1°C | 71 mm | 75% | 1.8 m/s | 3.9 |
| 2020 | 30.0°C | 24.0°C | 18.0°C | 31.6°C | 13.8°C | 12 mm | 69% | 1.8 m/s | 4.2 |
| 2019 | 29.6°C | 24.5°C | 19.4°C | 31.4°C | 15.9°C | 3 mm | 77% | 1.9 m/s | 3.8 |
| 2018 | 32.2°C | 24.5°C | 16.7°C | 34.3°C | 12.3°C | 0 mm | 46% | 2.2 m/s | 4.5 |
| 2017 | 29.3°C | 23.1°C | 16.9°C | 31.2°C | 14.4°C | 47 mm | 67% | 2.2 m/s | 4 |
| 2016 | 32.4°C | 24.5°C | 16.5°C | 33.9°C | 13.5°C | 0 mm | 54% | 2.1 m/s | 4.9 |
| 2015 | 32.4°C | 25.0°C | 17.5°C | 35.6°C | 12.7°C | 0 mm | 53% | 2.1 m/s | 4.7 |
| 2014 | 31.2°C | 23.9°C | 16.6°C | 33.8°C | 11.9°C | 19 mm | 54% | 2.2 m/s | 4.5 |
| 2013 | 30.9°C | 23.8°C | 16.8°C | 32.1°C | 14.3°C | 2 mm | 61% | 1.9 m/s | 4.7 |
| 2012 | 31.0°C | 24.3°C | 17.6°C | 33.0°C | 15.2°C | 0 mm | 63% | 1.8 m/s | 4.6 |
| 2011 | 31.8°C | 24.3°C | 16.9°C | 33.0°C | 12.6°C | 0 mm | 59% | 1.9 m/s | 4.6 |
| 2010 ❄️ | 28.2°C | 22.2°C | 16.3°C | 30.9°C | 12.5°C | 0 mm | 71% | 1.9 m/s | 4.6 |
| 2009 | 29.8°C | 23.7°C | 17.6°C | 31.3°C | 12.9°C | 0 mm | 67% | 1.8 m/s | 4.5 |
| 2008 | 32.4°C | 25.5°C | 18.6°C | 34.1°C | 13.7°C | 7 mm | 58% | 1.9 m/s | 4.4 |
| 2007 | 31.7°C | 24.7°C | 17.8°C | 35.1°C | 14.1°C | 0 mm | 61% | 2.1 m/s | 4.4 |
| 2006 | 31.3°C | 24.4°C | 17.4°C | 32.7°C | 15.2°C | 0 mm | 62% | 2 m/s | 4.6 |
| 2005 | 30.6°C | 23.3°C | 16.0°C | 31.8°C | 12.4°C | 0 mm | 59% | 2 m/s | 4.7 |
| 2004 | 32.2°C | 24.6°C | 17.0°C | 34.1°C | 15.8°C | 0 mm | 54% | 2.1 m/s | 4.6 |
| 2003 | 32.3°C | 24.6°C | 16.9°C | 33.6°C | 12.9°C | 0 mm | 57% | 1.9 m/s | 4.7 |
| 2002 🔥 | 33.9°C | 25.8°C | 17.7°C | 37.1°C | 16.1°C | 0 mm | 49% | 2 m/s | 4.8 |
| 2001 | 32.2°C | 24.7°C | 17.3°C | 33.0°C | 15.0°C | 0 mm | 56% | 1.9 m/s | 4.7 |
| 2000 | 33.6°C | 24.8°C | 16.0°C | 34.8°C | 14.7°C | 11 mm | 44% | 2.2 m/s | 4.6 |
| 1999 | 31.2°C | 23.4°C | 15.6°C | 33.6°C | 12.7°C | 0 mm | 56% | 2.2 m/s | 4.9 |
| 1998 | 29.2°C | 22.4°C | 15.6°C | 30.4°C | 13.5°C | 0 mm | 63% | 2.3 m/s | 4.7 |
| 1997 | 29.0°C | 23.3°C | 17.6°C | 31.7°C | 14.2°C | 37 mm | 74% | 1.7 m/s | 4.4 |
| 1996 | 30.5°C | 23.6°C | 16.7°C | 32.6°C | 13.3°C | 0 mm | 60% | 2 m/s | 4.6 |
| 1995 | 31.6°C | 24.2°C | 16.9°C | 33.6°C | 14.8°C | 0 mm | 61% | 1.8 m/s | 4.7 |
| 1994 | 31.1°C | 23.2°C | 15.2°C | 32.2°C | 12.3°C | 0 mm | 53% | 2.2 m/s | 4.8 |
| 1993 | 29.4°C | 22.7°C | 16.0°C | 31.2°C | 13.9°C | 14 mm | 64% | 2.3 m/s | 4.7 |
| 1992 | 32.4°C | 24.7°C | 16.9°C | 33.5°C | 14.6°C | 0 mm | 54% | 2.1 m/s | 4.8 |
| 1991 | 32.0°C | 24.1°C | 16.2°C | 34.4°C | 11.9°C | 4 mm | 49% | 2.2 m/s | 4.7 |
| 1990 | 30.3°C | 24.1°C | 17.9°C | 32.5°C | 13.7°C | 0 mm | 67% | 2 m/s | 4.6 |
| 1989 | 31.1°C | 23.7°C | 16.4°C | 32.4°C | 12.5°C | 0 mm | 55% | 2.1 m/s | 4.8 |
| 1988 | 31.5°C | 24.1°C | 16.8°C | 32.9°C | 13.3°C | 0 mm | 57% | 2.2 m/s | 4.8 |
| 1987 | 32.5°C | 25.2°C | 17.9°C | 34.5°C | 13.5°C | 20 mm | 56% | 2 m/s | 4.6 |
| 1986 | 32.4°C | 24.5°C | 16.5°C | 35.8°C | 11.1°C | 15 mm | 46% | 2.2 m/s | 4.9 |
| 1985 | 31.7°C | 24.5°C | 17.3°C | 34.8°C | 15.4°C | 0 mm | 58% | 1.8 m/s | 4.8 |
| 1984 | 32.9°C | 24.7°C | 16.6°C | 34.6°C | 12.9°C | 0 mm | 50% | 1.9 m/s | 4.7 |
| 1983 | 30.5°C | 23.7°C | 16.9°C | 32.6°C | 9.1°C | 0 mm | 61% | 2 m/s | — |
| 1982 | 31.0°C | 24.5°C | 17.9°C | 32.6°C | 13.1°C | 0 mm | 64% | 1.8 m/s | — |
| 1981 | 30.1°C | 23.8°C | 17.5°C | 31.9°C | 11.9°C | 2 mm | 67% | 1.9 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 31.1°C with lows near 17.1°C (mean 24.1°C), based on 45 years of NASA POWER data.
December averages 6 mm of rainfall in Mumbai Suburban, one of the drier months. The wettest on record was 71 mm in 2021.
The hottest December reached 37.1°C in 2002. The coldest dipped to 9.1°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have fallen by about 0.4°C — but days and nights have moved in opposite directions. Overnight lows rose from 17.2°C to 17.6°C while daytime highs eased from 31.2°C to 30.1°C, narrowing the gap between day and night.
December is one of the cooler months of the year in Mumbai Suburban and one of the drier months, so plan for around 31.1°C daytime highs and 17.1°C at night.
Yes — December is the coldest month of the year in Mumbai Suburban, averaging 24.1°C.
For December in Mumbai Suburban, pack light, breathable clothing and sun protection, with typical highs of 31.1°C and lows of 17.1°C.
Relative humidity in December averages 60% — moderately humid.
Average wind speed in December is 2 m/s. The windiest December on record averaged 2.5 m/s (2025).
The wettest December on record was 2021 with 71 mm. On average, December sees 6 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 Suburban behaves each December, 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 December specifically, along with year-by-year records and how the month has changed over the decades.
