December weather forecast and Climate
Santiago de Cuba, Cuba CU

• The average high temperature in December: 30°C

Warmest months (with the highest average high temperature) are July, August and September (31°C).
Months with the lowest average high temperature are January, February, March, April and May (28°C).

• The average low temperature in December: 22°C

Months with the highest average low temperature are July and August (25°C).
Coldest months (with the lowest average low temperature) are January and February (21°C).

• The average rainfall in December: 81.3mm

The wettest month (with the highest rainfall) is October (193mm).
The driest month (with the lowest rainfall) is February (43.2mm).

• The average rainfall days in December: 6 days

The month with the highest number of rainy days is October (15 days).
The month with the lowest number of rainy days is February (5 days).

• The average sea temperature in December: 27.8°C

The best month for swimming (with the highest average sea temperature) is September (29.9°C).
The coldest month (with the lowest average sea temperature) is February (26.3°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, February, November and December (Average daylight: 11h).

• The average sunshine in December: 6h

The month with most sunshine is April (Average sunshine: 8h).
Months with least sunshine are May, June, September, October, November and December (Average sunshine: 6).

• The average UV index in December: 7

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