Santo Antonio
São Tomé and Príncipe
Long-term weather forecast
Long-term weather forecast
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December weather forecast and Climate
Santo Antonio, São Tomé and Príncipe

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  • The average high temperature in December: 28.6°C

Warmest months (with the highest average high temperature) are February and March (29.6°C).
The month with the lowest average high temperature is July (26.8°C).

  • The average low temperature in December: 21.8°C

The month with the highest average low temperature is April (22.1°C).
The coldest month (with the lowest average low temperature) is February (20°C).

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  • The average humidity in December: 87%

The month with the highest relative humidity is October (89%).
Months with the lowest relative humidity are June, July and August (83%).

  • The average rainfall in December: 142mm

The wettest month (with the highest rainfall) is October (398mm).
The driest month (with the lowest rainfall) is July (21mm).

  • The average rainfall days in December: 14 days

The month with the highest number of rainy days is October (25 days).
The month with the lowest number of rainy days is June (7 days).

  • The average sea temperature in December: 28°C

Best months for swimming (with the highest average sea temperature) are February, March, April and May (29°C).
Coldest months (with the lowest average sea temperature) are July, August and September (26°C).

  • The average daylight in December: 12h

Months with the longest days are January, February, March, April, May, June, July, August, September, October, November and December (Average daylight: 12h).
Months with shortest days are January, February, March, April, May, June, July, August, September, October, November and December (Average daylight: 12h).

  • The average sunshine in December: 4h

Months with most sunshine are January, February, March, April, May, June, November and December (Average sunshine: 4h).
The month with least sunshine is September (Average sunshine: 2h).

  • The average UV index in December: 11

Months with the highest UV index are January, February, March, April, May, August, September, October and November (UV index 12).
Months with the lowest UV index are June, July and December (UV index 11).

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