December weather forecast and climate
Port of Spain, Trinidad and Tobago TT

• Average high temperature in December: 31.1°C

The warmest month (with the highest average high temperature) is May (33.1°C).
The month with the lowest average high temperature is January (28°C).

• Average low temperature in December: 21°C

The month with the highest average low temperature is June (23.3°C).
The coldest month (with the lowest average low temperature) is January (17°C).

• Average humidity in December: 84%

The month with the highest relative humidity is November (86%).
Months with the lowest relative humidity are March and April (77%).

• Average rainfall in December: 75.7mm

The wettest month (with the highest rainfall) is August (244mm).
The driest month (with the lowest rainfall) is March (16.9mm).

• Average rainfall days in December: 13 days

The month with the highest number of rainy days is July (21 days).
Months with the lowest number of rainy days are March and April (6 days).

• Average sea temperature in December: 27°C

The best month for swimming (with the highest average sea temperature) is September (29°C).
Coldest months (with the lowest average sea temperature) are February and March (26°C).

• Average daylight in December: 11.5h

Months with the longest days are June and July (Average daylight: 12.7h).
The month with shortest days is December (Average daylight: 11.5h).

• Average sunshine in December: 6.9h

The month with most sunshine is February (Average sunshine: 8.3h).
The month with least sunshine is June (Average sunshine: 6.1h).

• Average UV index in December: 9

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 9).