Mumbai weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Excellent
Best time to visit: December – March
What is the weather like in Mumbai in December?
In December, Mumbai is hot: daytime highs average 30 °C, and even at night it stays warm at around 22 °C. The sea averages 26.8 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It hardly ever rains. On about 13 days the thermometer climbs to 30 °C or more. All in all, December is an excellent month for a holiday in Mumbai.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 73 | 82 | 91 |
| Day | 31° | 30° | 28° |
| Night | 24° | 22° | 20° |
| Sea | 28° | 27° | 25° |
| Sun | 8 h | 8 h | 9 h |
| Rain days | 2 | 1 | 0 |
More details for December
- Daylight
- 11 h 0 min07:04 – 18:03
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 15 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 24 %on averageAll months
- Hot days
- 13 days30 °C or moreAll months
- Time zone
- UTC+5:30Asia/Kolkata
How the score comes together
- Temperatureweight 50 %69 %
- Sunshineweight 20 %87 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
Mumbai in December: quick answers
Is Mumbai hot in December?
Yes. In December, Mumbai is hot: daytime highs average 30 °C and nights stay around 22 °C. On about 13 days the thermometer climbs to 30 °C or more.
Can you swim in Mumbai in December?
Yes. In December the sea averages 26.8 °C – lovely and warm for swimming.
Does it rain much in Mumbai in December?
It hardly ever rains.
Mumbai month by month
The whole year in MumbaiAll destinations: IndiaWhere to go in DecemberSea temperature in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences