December weather forecast and climate
Mumbai, India

• 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).

• 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).

• 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%).

• 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).

• 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).

• Average sea temperature in December: 27°C

The best month for swimming (with the highest average sea temperature) is June (30°C).
The coldest month (with the lowest average sea temperature) is February (24.9°C).

• Average daylight in December: 11h

The month with the longest days is June (Average daylight: 13.3h).
The month with shortest days is December (Average daylight: 11h).

• 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).

• 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).