December weather forecast and Climate
Mumbai, India IN

• Average high temperature in December: 32°C

Warmest month (with highest average high temperature) is November (33.5°C).
Month with lowest average high temperature is August (29.6°C).

• Average low temperature in December: 18.6°C

Month with highest average low temperature is May (26.3°C).
Coldest month (with lowest average low temperature) is January (16.8°C).

• Average humidity in December: 69%

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

• Average rainfall in December: 5.3mm

Wettest month (with highest rainfall) is July (799.7mm).
Driest month (with lowest rainfall) is March (0.2mm).

• Average rainfall days in December: 0.4 days

Month with highest number of rainy days is July (23.2 days).
Month with lowest number of rainy days is March (0 days).

• Average sea temperature in December: 26°C

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

• Average daylight in December: 11h

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

• Average sunshine in December: 8.2h

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

• Average UV index in December: 7

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