Mumbai
India
Long-term weather forecast
Long-term weather forecast

December weather forecast and Climate
Mumbai, India

The iconic ancient arch monument of the Gateway of Mumbai, India
The iconic ancient arch monument of the Gateway of Mumbai, India
December in Mumbai is warm during the days and cooler during the nights with the lowest temperature reading 66.2°F (19°C) and the highest reading 89.6°F (32°C).
The sun shines steadily for nine hours on most days across the month, and the ocean temperatures are warm at an average of 82.4°F (28°C).
Rainfall in December is minimal measuring precipitation of a low 0.4" (10.2mm) and raining for an average of one day the entire month.
December is generally sunny and dry with a humidity of 56% and relatively clear skies.
  • The average high temperature in December: 32°C

The warmest month (with the highest average high temperature) is November (33.5°C).
The month with the lowest average high temperature is August (29.6°C).

  • The average low temperature in December: 18.6°C

The month with the highest average low temperature is May (26.3°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).

  • The average humidity in December: 69%

Months with the highest relative humidity are July and August (86%).
The month with the lowest relative humidity is February (67%).

  • The average rainfall in December: 5.3mm

The wettest month (with the highest rainfall) is July (799.7mm).
The driest month (with the lowest rainfall) is March (0.2mm).

  • The average rainfall days in December: 0.4 days

The month with the highest number of rainy days is July (23.2 days).
The month with the lowest number of rainy days is March (0 days).

  • The average sea temperature in December: 26°C

Best months for swimming (with the highest average sea temperature) are May, June, July and October (29°C).
Coldest months (with the lowest average sea temperature) are January and February (25°C).

  • The average daylight in December: 11h

Months with the longest days are April, May, June, July and August (Average daylight: 13h).
Months with shortest days are January, November and December (Average daylight: 11h).

  • The average sunshine in December: 8.2h

The month with most sunshine is May (Average sunshine: 9.6h).
Months with least sunshine are July and August (Average sunshine: 2.4).

  • The average UV index in December: 7

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 7).

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